:root {
      --sp-red: #E30E13;
      --sp-red-dark: #B90B0F;
      --ink: #1D1D1D;
      --ink-soft: #3B3B3B;
      --white: #FFFFFF;
      --grey-700: #706F6F;
      --grey-500: #B2B2B2;
      --grey-200: #EFEDED;
      --grey-100: #F7F6F6;
      --blue: #365DA8;
      --cyan: #00A7D1;
      --green: #4F9E34;
      --border: rgba(29, 29, 29, 0.12);
      --border-strong: rgba(29, 29, 29, 0.22);
      --shadow-sm: 0 10px 30px rgba(29, 29, 29, 0.08);
      --shadow-md: 0 24px 64px rgba(29, 29, 29, 0.13);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 30px;
      --header-height: 76px;
      --container: 1180px;
      --ease: 180ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: calc(var(--header-height) + 20px);
    }

    body {
      margin: 0;
      min-width: 320px;
      background: var(--white);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body.nav-open { overflow: hidden; }

    img, svg { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    a { color: inherit; }
    [hidden] { display: none !important; }

    .skip-link {
      position: fixed;
      top: 10px;
      left: 10px;
      z-index: 9999;
      transform: translateY(-160%);
      padding: 10px 14px;
      border-radius: 9px;
      background: var(--white);
      color: var(--ink);
      font-weight: 800;
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease);
    }

    .skip-link:focus { transform: translateY(0); }

    .container {
      width: min(calc(100% - 40px), var(--container));
      margin-inline: auto;
    }

    .section {
      padding: 92px 0;
      scroll-margin-top: calc(var(--header-height) + 20px);
    }

    .section--soft { background: var(--grey-100); }
    .section--dark { background: var(--ink); color: var(--white); }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      gap: 44px;
      align-items: end;
      margin-bottom: 42px;
    }

    .section-heading > * { margin: 0; }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      margin-bottom: 12px;
      color: var(--sp-red);
      font-size: 0.76rem;
      font-weight: 900;
      letter-spacing: 0.13em;
      line-height: 1.2;
      text-transform: uppercase;
    }

    .eyebrow::before {
      width: 28px;
      height: 3px;
      border-radius: 999px;
      background: currentColor;
      content: "";
    }

    h1, h2, h3 { overflow-wrap: normal; hyphens: none; }
    p { overflow-wrap: break-word; }

    h1 {
      margin: 0;
      max-width: 760px;
      font-size: clamp(2.5rem, 6vw, 5.35rem);
      line-height: 0.98;
      letter-spacing: -0.055em;
    }

    h2 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 3.4rem);
      line-height: 1.02;
      letter-spacing: -0.04em;
    }

    h3 {
      margin: 0;
      font-size: clamp(1.15rem, 2vw, 1.45rem);
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    .lead {
      max-width: 760px;
      margin: 24px 0 0;
      color: rgba(255,255,255,0.78);
      font-size: clamp(1.02rem, 2vw, 1.25rem);
    }

    .muted { color: var(--grey-700); }
    .small { font-size: 0.88rem; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      height: var(--header-height);
      border-bottom: 1px solid rgba(29,29,29,0.08);
      background: rgba(255,255,255,0.94);
      backdrop-filter: blur(16px);
    }

    .header-inner {
      display: flex;
      height: 100%;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 10px;
      box-shadow: 0 0 0 1px rgba(29,29,29,0.2);
      background: var(--white);
    }

    .brand-copy {
      display: grid;
      gap: 1px;
      line-height: 1.05;
    }

    .brand-copy strong { font-size: 0.99rem; }
    .brand-copy span { color: var(--grey-700); font-size: 0.76rem; }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 3px;
    }

    .site-nav a {
      padding: 10px 11px;
      border-radius: 10px;
      color: var(--ink-soft);
      font-size: 0.83rem;
      font-weight: 750;
      text-decoration: none;
      transition: background var(--ease), color var(--ease);
    }

    .site-nav a:hover,
    .site-nav a:focus-visible {
      background: var(--grey-200);
      color: var(--ink);
    }

    .site-nav a.nav-accent { color: var(--sp-red); }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border: 0;
      border-radius: 10px;
      background: var(--grey-100);
      color: var(--ink);
      cursor: pointer;
    }

    .icon { width: 20px; height: 20px; flex: 0 0 auto; }

    .hero {
      position: relative;
      min-height: calc(100vh - var(--header-height));
      overflow: hidden;
      background:
        radial-gradient(circle at 82% 20%, rgba(227,14,19,0.34), transparent 28%),
        linear-gradient(118deg, #111111 0%, #1D1D1D 58%, #2B1112 100%);
      color: var(--white);
      isolation: isolate;
    }

    .hero::before,
    .hero::after {
      position: absolute;
      z-index: -1;
      border: 48px solid rgba(227,14,19,0.92);
      border-left-color: transparent;
      border-bottom-color: transparent;
      border-radius: 50%;
      content: "";
      pointer-events: none;
    }

    .hero::before {
      top: -205px;
      right: -160px;
      width: 560px;
      height: 560px;
      transform: rotate(28deg);
    }

    .hero::after {
      right: 6%;
      bottom: -330px;
      width: 620px;
      height: 620px;
      border-width: 26px;
      opacity: 0.25;
      transform: rotate(210deg);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
      min-height: calc(100vh - var(--header-height));
      gap: 56px;
      align-items: center;
      padding-block: 72px;
    }

    .hero .eyebrow { color: #FF4F53; }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 34px;
    }

    .freedom-note {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-top: 24px;
      color: rgba(255,255,255,0.84);
      font-size: 0.93rem;
      font-weight: 750;
    }

    .freedom-note .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 0 6px rgba(79,158,52,0.16);
    }

    .hero-panel {
      position: relative;
      padding: 28px;
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,0.07);
      box-shadow: 0 24px 70px rgba(0,0,0,0.23);
      backdrop-filter: blur(16px);
    }

    .hero-panel h2 {
      margin-bottom: 22px;
      font-size: 1.22rem;
      letter-spacing: -0.02em;
    }

    .status-list {
      display: grid;
      gap: 0;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .status-list li {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      align-items: center;
      padding: 17px 0;
      border-top: 1px solid rgba(255,255,255,0.12);
    }

    .status-list li:first-child { border-top: 0; padding-top: 0; }
    .status-list li:last-child { padding-bottom: 0; }

    .status-number {
      display: grid;
      width: 44px;
      height: 44px;
      place-items: center;
      border-radius: 13px;
      background: rgba(227,14,19,0.18);
      color: #FF7073;
      font-weight: 900;
    }

    .status-list strong { display: block; font-size: 0.96rem; }
    .status-list span { color: rgba(255,255,255,0.62); font-size: 0.84rem; }

    .button {
      display: inline-flex;
      min-height: 46px;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 11px 17px;
      border: 1px solid transparent;
      border-radius: 11px;
      font-weight: 820;
      line-height: 1.1;
      text-align: center;
      text-decoration: none;
      cursor: pointer;
      transition: transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease), opacity var(--ease);
    }

    .button:hover { transform: translateY(-1px); }
    .button:active { transform: translateY(0); }

    .button--primary {
      background: var(--sp-red);
      color: var(--white);
      box-shadow: 0 10px 26px rgba(227,14,19,0.25);
    }

    .button--primary:hover { background: var(--sp-red-dark); }

    .button--light {
      border-color: rgba(255,255,255,0.28);
      background: rgba(255,255,255,0.1);
      color: var(--white);
    }

    .button--light:hover { background: rgba(255,255,255,0.17); }

    .button--outline {
      border-color: var(--border-strong);
      background: var(--white);
      color: var(--ink);
    }

    .button--outline:hover { border-color: var(--ink); }

    .button--soft {
      background: var(--grey-200);
      color: var(--ink);
    }

    .button--soft:hover { background: #E5E2E2; }

    .button--ghost {
      min-height: 40px;
      padding: 8px 10px;
      border-color: transparent;
      background: transparent;
      color: var(--ink-soft);
      box-shadow: none;
    }

    .button--ghost:hover { background: var(--grey-100); color: var(--ink); }

    .button.is-copied {
      border-color: rgba(79,158,52,0.28);
      background: rgba(79,158,52,0.12);
      color: #2F6E21;
      box-shadow: none;
    }

    .button:focus-visible,
    .filter-button:focus-visible,
    .tab-button:focus-visible,
    .menu-toggle:focus-visible,
    textarea:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(0,167,209,0.45);
      outline-offset: 3px;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .step {
      position: relative;
      min-height: 205px;
      padding: 30px 26px 30px 0;
    }

    .step + .step {
      padding-left: 26px;
      border-left: 1px solid var(--border);
    }

    .step-number {
      display: inline-flex;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      margin-bottom: 22px;
      border-radius: 50%;
      background: var(--ink);
      color: var(--white);
      font-weight: 900;
    }

    .step h3 { margin-bottom: 9px; }
    .step p { margin: 0; color: var(--grey-700); font-size: 0.94rem; }

    .kits-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 18px;
    }

    .kit-count {
      color: var(--grey-700);
      font-size: 0.88rem;
      font-weight: 700;
    }

    .filters {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-button,
    .tab-button {
      border: 1px solid var(--border);
      border-radius: 999px;
      background: var(--white);
      color: var(--ink-soft);
      cursor: pointer;
      font-weight: 780;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
    }

    .filter-button {
      min-height: 40px;
      padding: 8px 14px;
      font-size: 0.85rem;
    }

    .filter-button:hover,
    .filter-button[aria-pressed="true"] {
      border-color: var(--ink);
      background: var(--ink);
      color: var(--white);
    }

    .kit-list {
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: var(--white);
    }

    .kit-row {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr) minmax(275px, auto);
      gap: 26px;
      align-items: center;
      padding: 30px;
      border-top: 1px solid var(--border);
      transition: background var(--ease), opacity var(--ease);
    }

    .kit-row:first-child { border-top: 0; }
    .kit-row:hover { background: #FCFBFB; }

    .kit-index {
      position: relative;
      display: grid;
      width: 74px;
      height: 74px;
      place-items: center;
      border-radius: 18px;
      background: var(--ink);
      color: var(--white);
      font-size: 1.25rem;
      font-weight: 950;
      letter-spacing: -0.04em;
    }

    .kit-index::after {
      position: absolute;
      top: 10px;
      right: 10px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--sp-red);
      content: "";
    }

    .kit-row.is-locked {
      background: var(--grey-100);
    }

    .kit-row.is-locked .kit-index {
      background: #C7C5C5;
      color: #585757;
    }

    .kit-row.is-locked .kit-index::after { background: #8D8B8B; }
    .kit-row.is-locked .kit-body { opacity: 0.68; }

    .kit-kicker {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin-bottom: 7px;
    }

    .availability {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-size: 0.76rem;
      font-weight: 900;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .availability::before {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: currentColor;
      content: "";
    }

    .availability--locked { color: var(--grey-700); }

    .level {
      display: inline-flex;
      align-items: center;
      min-height: 25px;
      padding: 3px 9px;
      border-radius: 999px;
      background: rgba(54,93,168,0.1);
      color: var(--blue);
      font-size: 0.74rem;
      font-weight: 850;
    }

    .level--concrete { background: rgba(0,167,209,0.1); color: #007B99; }
    .level--season { background: rgba(79,158,52,0.11); color: #357322; }

    .kit-body h3 { margin-bottom: 8px; }
    .kit-body p { max-width: 690px; margin: 0; color: var(--grey-700); font-size: 0.94rem; }

    .kit-actions {
      display: flex;
      max-width: 360px;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 8px;
    }

    .kit-actions .button { min-height: 42px; padding: 9px 12px; font-size: 0.83rem; }
    .kit-actions .button:first-child { flex: 1 1 100%; }
    .kit-row.is-locked .kit-actions .button { opacity: 1; }

    .locked-hint {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 100%;
      color: var(--grey-700);
      font-size: 0.78rem;
      font-weight: 700;
    }

    .copy-intro {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
      gap: 48px;
      align-items: end;
      margin-bottom: 28px;
    }

    .adapt-note {
      padding: 18px 20px;
      border-left: 4px solid var(--sp-red);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: var(--grey-200);
      color: var(--ink-soft);
      font-size: 0.91rem;
    }

    .copy-tabs-wrap {
      overflow-x: auto;
      margin: 0 -2px 28px;
      padding: 2px 2px 8px;
      scrollbar-width: thin;
    }

    .copy-tabs {
      display: flex;
      width: 100%;
      min-width: 0;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tab-button {
      min-height: 44px;
      padding: 9px 15px;
      white-space: nowrap;
    }

    .tab-button:hover,
    .tab-button[aria-selected="true"] {
      border-color: var(--sp-red);
      background: var(--sp-red);
      color: var(--white);
    }

    .copy-grid {
      display: grid;
      gap: 16px;
    }

    .copy-card {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 220px;
      gap: 28px;
      padding: 26px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: var(--white);
      transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
    }

    .copy-card:hover { border-color: var(--border-strong); }

    .copy-card.is-targeted {
      border-color: var(--sp-red);
      box-shadow: 0 0 0 4px rgba(227,14,19,0.08), var(--shadow-sm);
    }

    .copy-card-head {
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 9px;
      margin-bottom: 14px;
    }

    .copy-card-head .kit-label {
      color: var(--sp-red);
      font-size: 0.78rem;
      font-weight: 950;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .copy-card-head h3 { font-size: 1.12rem; }

    .copy-textarea {
      width: 100%;
      min-height: 170px;
      resize: vertical;
      padding: 17px;
      border: 1px solid var(--border);
      border-radius: 13px;
      background: #FCFBFB;
      color: var(--ink);
      font-size: 0.95rem;
      line-height: 1.58;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .copy-textarea:focus {
      border-color: rgba(0,167,209,0.65);
      background: var(--white);
      box-shadow: 0 0 0 4px rgba(0,167,209,0.09);
      outline: none;
    }

    .copy-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 10px;
      color: var(--grey-700);
      font-size: 0.78rem;
    }

    .copy-card-actions {
      display: flex;
      align-items: flex-start;
      flex-direction: column;
      gap: 9px;
      padding-top: 30px;
    }

    .copy-card-actions .button { width: 100%; }

    .copy-reminder {
      margin: 8px 0 0;
      color: var(--grey-700);
      font-size: 0.82rem;
    }

    .locked-copy-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 30px;
      align-items: center;
      margin-top: 22px;
      padding: 28px;
      border: 1px dashed var(--grey-500);
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #F8F7F7, #EFEDED);
    }

    .locked-copy-panel h3 { margin-bottom: 8px; }
    .locked-copy-panel p { margin: 0; color: var(--grey-700); }

    .locked-topics {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .locked-topic {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 9px;
      border-radius: 999px;
      background: rgba(255,255,255,0.72);
      color: var(--ink-soft);
      font-size: 0.78rem;
      font-weight: 750;
    }

    .participation-ladder {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: var(--radius-md);
    }

    .participation-option {
      min-height: 235px;
      padding: 28px;
      border-left: 1px solid rgba(255,255,255,0.14);
      background: rgba(255,255,255,0.03);
    }

    .participation-option:first-child { border-left: 0; }
    .participation-option:nth-child(2) { background: rgba(255,255,255,0.045); }
    .participation-option:nth-child(3) { background: rgba(255,255,255,0.06); }
    .participation-option:nth-child(4) { background: rgba(227,14,19,0.13); }

    .participation-icon {
      display: grid;
      width: 48px;
      height: 48px;
      place-items: center;
      margin-bottom: 32px;
      border-radius: 14px;
      background: rgba(255,255,255,0.1);
      color: #FF5B60;
    }

    .participation-option h3 { margin-bottom: 10px; color: var(--white); }
    .participation-option p { margin: 0; color: rgba(255,255,255,0.66); font-size: 0.92rem; }

    .reassurance {
      display: flex;
      align-items: flex-start;
      gap: 13px;
      max-width: 780px;
      margin-top: 26px;
      color: rgba(255,255,255,0.78);
    }

    .reassurance .icon { margin-top: 2px; color: #74C85B; }

    .rules-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .rule-block {
      padding: 30px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: var(--white);
    }

    .rule-block--do { border-top: 5px solid var(--green); }
    .rule-block--avoid { border-top: 5px solid var(--sp-red); }

    .rule-block h3 {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 20px;
    }

    .rule-list {
      display: grid;
      gap: 13px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .rule-list li {
      position: relative;
      padding-left: 26px;
      color: var(--ink-soft);
    }

    .rule-list li::before {
      position: absolute;
      top: 0.38em;
      left: 0;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      content: "";
    }

    .rule-block--do li::before { background: rgba(79,158,52,0.18); box-shadow: inset 0 0 0 4px var(--green); }
    .rule-block--avoid li::before { background: rgba(227,14,19,0.16); box-shadow: inset 0 0 0 4px var(--sp-red); }

    .verification-note {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-top: 18px;
      padding: 16px 18px;
      border-radius: var(--radius-sm);
      background: rgba(54,93,168,0.08);
      color: #284678;
      font-size: 0.88rem;
    }

    .after-block {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
      gap: 52px;
      align-items: center;
      padding: 44px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 100% 0%, rgba(227,14,19,0.28), transparent 36%),
        var(--ink);
      color: var(--white);
      box-shadow: var(--shadow-md);
    }

    .after-block h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
    .after-block p { max-width: 650px; margin: 16px 0 0; color: rgba(255,255,255,0.68); }

    .message-box {
      padding: 18px;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,0.08);
    }

    .message-box p {
      margin: 0 0 14px;
      color: var(--white);
      font-size: 0.94rem;
    }

    .message-box .button { width: 100%; }

    .site-footer {
      padding: 30px 0 44px;
      border-top: 1px solid var(--border);
      background: var(--white);
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: var(--grey-700);
      font-size: 0.83rem;
    }

    .footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
    .footer-links a { font-weight: 750; text-decoration: none; }
    .footer-links a:hover { color: var(--sp-red); }

    .toast {
      position: fixed;
      z-index: 2000;
      right: 22px;
      bottom: 22px;
      display: flex;
      max-width: min(420px, calc(100vw - 44px));
      align-items: center;
      gap: 11px;
      padding: 14px 16px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 13px;
      background: var(--ink);
      color: var(--white);
      box-shadow: var(--shadow-md);
      opacity: 0;
      pointer-events: none;
      transform: translateY(16px);
      transition: opacity var(--ease), transform var(--ease);
    }

    .toast.is-visible { opacity: 1; transform: translateY(0); }
    .toast .icon { color: #74C85B; }

    @media (max-width: 1040px) {
      .site-nav a { padding-inline: 8px; font-size: 0.78rem; }
      .hero-inner { grid-template-columns: minmax(0, 1.2fr) minmax(270px, 0.8fr); gap: 38px; }
      .kit-row { grid-template-columns: 76px minmax(0, 1fr); }
      .kit-index { width: 64px; height: 64px; }
      .kit-actions { grid-column: 2; max-width: none; justify-content: flex-start; }
      .kit-actions .button:first-child { flex: 0 1 auto; }
      .copy-card { grid-template-columns: minmax(0, 1fr) 190px; }
    }

    @media (max-width: 860px) {
      :root { --header-height: 68px; }
      .container { width: min(calc(100% - 30px), var(--container)); }
      .section { padding: 72px 0; }

      .menu-toggle { display: inline-flex; }

      .site-nav {
        position: fixed;
        inset: var(--header-height) 0 auto 0;
        display: grid;
        max-height: calc(100vh - var(--header-height));
        gap: 3px;
        padding: 16px 15px 22px;
        border-bottom: 1px solid var(--border);
        background: rgba(255,255,255,0.98);
        box-shadow: var(--shadow-md);
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity var(--ease), transform var(--ease);
      }

      body.nav-open .site-nav { visibility: visible; opacity: 1; pointer-events: auto; transform: translateY(0); }
      .site-nav a { padding: 13px 14px; font-size: 0.94rem; }

      .hero { min-height: auto; }
      .hero-inner { grid-template-columns: 1fr; min-height: auto; gap: 46px; padding-block: 74px; }
      .hero-panel { max-width: 620px; }

      .section-heading,
      .copy-intro { grid-template-columns: 1fr; gap: 20px; }
      .section-heading { align-items: start; }

      .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .step:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; }
      .step:nth-child(4) { border-top: 1px solid var(--border); }

      .copy-card { grid-template-columns: 1fr; gap: 14px; }
      .copy-card-actions { display: grid; grid-template-columns: 1fr auto; padding-top: 0; }
      .copy-card-actions .button { width: auto; }
      .copy-card-actions .button:first-child { width: 100%; }

      .participation-ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .participation-option:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,0.14); }
      .participation-option:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.14); }

      .after-block { grid-template-columns: 1fr; gap: 28px; padding: 34px; }
    }

    @media (max-width: 620px) {
      .brand-copy span { display: none; }
      .section { padding: 62px 0; }
      h1 { font-size: clamp(2.55rem, 15vw, 4.1rem); }

      .hero-inner { padding-block: 58px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
      .hero-panel { padding: 22px; }
      .hero::before { top: -260px; right: -260px; }

      .steps { grid-template-columns: 1fr; border-bottom: 0; }
      .step { min-height: auto; padding: 24px 0; border-bottom: 1px solid var(--border); }
      .step + .step,
      .step:nth-child(3),
      .step:nth-child(4) { padding-left: 0; border-top: 0; border-left: 0; }

      .kits-toolbar { align-items: flex-start; flex-direction: column; }
      .filters { width: 100%; }
      .filter-button { flex: 1 1 auto; }

      .kit-row { grid-template-columns: 58px minmax(0, 1fr); gap: 16px; padding: 22px 18px; }
      .kit-index { width: 54px; height: 54px; border-radius: 14px; font-size: 1rem; }
      .kit-actions { grid-column: 1 / -1; display: grid; width: 100%; grid-template-columns: 1fr; }
      .kit-actions .button { width: 100%; }
      .kit-actions .button:first-child { width: 100%; }

      .copy-tabs { width: max-content; min-width: 100%; flex-wrap: nowrap; }

      .copy-card { padding: 20px 16px; border-radius: 16px; }
      .copy-card-actions { grid-template-columns: 1fr; }
      .copy-card-actions .button { width: 100%; }
      .copy-textarea { min-height: 190px; }
      .copy-meta { align-items: flex-start; flex-direction: column; gap: 3px; }

      .locked-copy-panel { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
      .locked-copy-panel .button { width: 100%; }

      .participation-ladder { grid-template-columns: 1fr; }
      .participation-option,
      .participation-option:nth-child(3),
      .participation-option:nth-child(4) { min-height: auto; border-top: 1px solid rgba(255,255,255,0.14); border-left: 0; }
      .participation-option:first-child { border-top: 0; }
      .participation-icon { margin-bottom: 20px; }

      .rules-grid { grid-template-columns: 1fr; }
      .rule-block { padding: 24px 20px; }
      .after-block { padding: 27px 20px; border-radius: 20px; }

      .footer-inner { align-items: flex-start; flex-direction: column; }
      .toast { right: 15px; bottom: 15px; max-width: calc(100vw - 30px); }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    }

    /* UX revision: every copy action is preceded by the exact editable text. */
    .sr-only {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    body.modal-open { overflow: hidden; }

    .hero-panel--library { padding: 24px; }

    .hero-panel-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(120px, 0.72fr);
      gap: 20px;
      align-items: end;
      margin-bottom: 12px;
    }

    .hero-panel-head h2 { margin: 4px 0 0; }
    .hero-panel-head p { margin: 0; color: rgba(255,255,255,0.58); font-size: 0.78rem; line-height: 1.45; }

    .hero-panel-count {
      color: #FF7073;
      font-size: 0.72rem;
      font-weight: 900;
      letter-spacing: 0.11em;
      text-transform: uppercase;
    }

    .pdf-overview {
      display: grid;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .pdf-overview-item {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr) auto;
      gap: 11px;
      align-items: center;
      min-height: 54px;
      padding: 9px 0;
      border-top: 1px solid rgba(255,255,255,0.11);
    }

    .pdf-overview-number {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      border-radius: 10px;
      background: rgba(227,14,19,0.18);
      color: #FF777A;
      font-size: 0.76rem;
      font-weight: 950;
    }

    .pdf-overview-copy { min-width: 0; }
    .pdf-overview-copy strong { display: block; color: var(--white); font-size: 0.79rem; line-height: 1.28; }

    .pdf-overview-status {
      display: inline-flex;
      margin-top: 3px;
      color: #83D66C;
      font-size: 0.66rem;
      font-weight: 850;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .pdf-overview-status--locked { color: rgba(255,255,255,0.47); }
    .pdf-overview-item.is-locked {
      grid-template-columns: 34px minmax(0, 1fr);
      align-items: start;
      opacity: 0.66;
    }
    .pdf-overview-item.is-locked:hover { opacity: 0.94; }
    .pdf-overview-item.is-locked .pdf-overview-number { background: rgba(255,255,255,0.09); color: rgba(255,255,255,0.58); }
    .pdf-overview-item.is-locked .pdf-overview-action {
      grid-column: 2;
      justify-self: start;
      margin-top: -3px;
      padding: 0;
    }

    .pdf-overview-action {
      padding: 5px 0 5px 8px;
      border: 0;
      background: transparent;
      color: rgba(255,255,255,0.82);
      font-size: 0.7rem;
      font-weight: 850;
      text-decoration: underline;
      text-decoration-color: rgba(255,255,255,0.3);
      text-underline-offset: 3px;
      cursor: pointer;
    }

    .pdf-overview-action:hover,
    .pdf-overview-action:focus-visible { color: var(--white); text-decoration-color: currentColor; }

    .kit-list-note,
    .copy-clarity-note {
      display: flex;
      align-items: flex-start;
      gap: 11px;
      margin-bottom: 18px;
      padding: 14px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.86rem;
    }

    .kit-list-note { background: rgba(54,93,168,0.08); color: #284678; }
    .copy-clarity-note { background: rgba(79,158,52,0.09); color: #2F6E21; }
    .kit-list-note .icon,
    .copy-clarity-note .icon { margin-top: 2px; flex: 0 0 auto; }

    .kit-group-label {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 20px;
      padding: 17px 30px;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      background: #E7E5E5;
      color: var(--ink-soft);
    }

    .kit-group-label span { font-size: 0.8rem; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
    .kit-group-label small { color: var(--grey-700); font-size: 0.77rem; }

    .kit-actions .button:first-child { flex: 0 1 auto; }
    .kit-actions .button { min-width: 154px; }

    .kit-selector-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin: 34px 0 14px;
    }

    .kit-selector-label {
      display: block;
      margin-bottom: 4px;
      color: var(--ink);
      font-size: 1rem;
      font-weight: 900;
    }

    .kit-selector-head p { margin: 0; color: var(--grey-700); font-size: 0.87rem; }
    .kit-selector-count { flex: 0 0 auto; color: var(--grey-700); font-size: 0.8rem; font-weight: 800; }

    .kit-tabs-wrap {
      overflow-x: auto;
      margin: 0 -2px 22px;
      padding: 2px 2px 10px;
      scrollbar-width: thin;
    }

    .kit-tabs {
      display: grid;
      grid-template-columns: repeat(4, minmax(210px, 1fr));
      gap: 10px;
      min-width: 900px;
    }

    .kit-tab {
      position: relative;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 6px 10px;
      min-height: 108px;
      align-content: start;
      padding: 16px;
      border: 1px solid var(--border);
      border-radius: 15px;
      background: var(--white);
      color: var(--ink);
      text-align: left;
      cursor: pointer;
      transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease), background var(--ease);
    }

    .kit-tab:hover { border-color: var(--border-strong); transform: translateY(-1px); }
    .kit-tab[aria-selected="true"] { border-color: var(--sp-red); box-shadow: 0 0 0 4px rgba(227,14,19,0.08); }
    .kit-tab[aria-selected="true"]::before { position: absolute; inset: 0 auto 0 0; width: 5px; border-radius: 15px 0 0 15px; background: var(--sp-red); content: ""; }
    .kit-tab.is-locked { background: var(--grey-100); color: #666; }

    .kit-tab-number {
      color: var(--sp-red);
      font-size: 0.71rem;
      font-weight: 950;
      letter-spacing: 0.09em;
      text-transform: uppercase;
    }

    .kit-tab.is-locked .kit-tab-number { color: var(--grey-700); }
    .kit-tab-title { grid-column: 1 / -1; font-size: 0.88rem; font-weight: 850; line-height: 1.3; }

    .kit-tab-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      min-height: 22px;
      padding: 3px 7px;
      border-radius: 999px;
      background: rgba(79,158,52,0.1);
      color: #357322;
      font-size: 0.64rem;
      font-weight: 850;
    }

    .kit-tab-badge--locked { background: rgba(29,29,29,0.07); color: var(--grey-700); }
    .kit-tab-badge--upcoming { background: rgba(54,93,168,0.09); color: var(--blue); }
    .kit-tab-badge .icon { width: 12px; height: 12px; }

    .text-library-panel {
      padding: 30px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: #FBFAFA;
    }

    .text-library-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 32px;
      align-items: end;
      padding-bottom: 26px;
      border-bottom: 1px solid var(--border);
    }

    .text-library-head h3 { margin: 7px 0 9px; font-size: clamp(1.4rem, 3vw, 2.05rem); }
    .text-library-head p { max-width: 760px; margin: 0; color: var(--grey-700); }

    .text-library-head-actions {
      display: flex;
      align-items: flex-end;
      flex-direction: column;
      gap: 10px;
    }

    .text-count,
    .text-group-count {
      color: var(--grey-700);
      font-size: 0.78rem;
      font-weight: 800;
    }

    .text-group { padding-top: 34px; }
    .text-group + .text-group { margin-top: 34px; border-top: 1px solid var(--border); }

    .text-group-heading {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 16px;
    }

    .text-group-heading h4 { margin: 0; font-size: 1.18rem; line-height: 1.2; }
    .text-group-heading p { max-width: 760px; margin: 5px 0 0; color: var(--grey-700); font-size: 0.87rem; }

    .text-options-grid { display: grid; gap: 14px; }
    .text-options-grid--long { grid-template-columns: 1fr; }
    .text-options-grid--compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .text-option {
      min-width: 0;
      padding: 20px;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: var(--white);
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .text-option:focus-within { border-color: rgba(0,167,209,0.55); box-shadow: 0 0 0 4px rgba(0,167,209,0.07); }

    .text-option-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 11px;
    }

    .text-option-label { color: var(--ink); font-size: 0.9rem; font-weight: 900; }
    .text-option-context { color: var(--grey-700); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }

    .text-editor {
      display: block;
      width: 100%;
      min-height: 178px;
      resize: vertical;
      padding: 16px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: #FCFBFB;
      color: var(--ink);
      font-size: 0.94rem;
      line-height: 1.6;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .text-editor--compact { min-height: 96px; }
    .text-editor:focus { border-color: rgba(0,167,209,0.68); background: var(--white); box-shadow: 0 0 0 4px rgba(0,167,209,0.09); outline: none; }

    .text-option-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-top: 12px;
    }

    .text-option-meta { display: grid; gap: 2px; color: var(--grey-700); font-size: 0.72rem; }
    .text-visible-note { color: #357322; font-weight: 780; }
    .text-option-actions { display: flex; flex: 0 0 auto; gap: 7px; }
    .text-option-actions .button { min-height: 40px; padding: 8px 11px; font-size: 0.79rem; }

    .locked-library {
      display: grid;
      justify-items: start;
      max-width: 760px;
      margin: 0 auto;
      padding: 28px 0 6px;
    }

    .locked-library-icon {
      display: grid;
      width: 54px;
      height: 54px;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 16px;
      background: var(--grey-200);
      color: var(--grey-700);
    }

    .locked-library h3 { margin: 9px 0 8px; font-size: clamp(1.5rem, 3vw, 2.15rem); }
    .locked-library > p { margin: 0; color: var(--grey-700); }

    .locked-library-preview {
      display: grid;
      width: 100%;
      gap: 10px;
      margin: 26px 0 22px;
      padding: 20px;
      border: 1px dashed var(--grey-500);
      border-radius: 15px;
      background: var(--grey-100);
    }

    .locked-preview-row { display: grid; grid-template-columns: minmax(80px, 1fr) auto; gap: 18px; align-items: center; }
    .locked-preview-line { height: 10px; border-radius: 999px; background: linear-gradient(90deg, #D7D4D4 0 68%, transparent 68%); }
    .locked-preview-label { color: var(--grey-700); font-size: 0.78rem; font-weight: 800; }
    .locked-library-note { margin-top: 10px !important; font-size: 0.78rem; }

    .access-modal {
      position: fixed;
      inset: 0;
      z-index: 3000;
      display: grid;
      place-items: center;
      padding: 20px;
      background: rgba(15,15,15,0.68);
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--ease);
    }

    .access-modal.is-open { visibility: visible; opacity: 1; pointer-events: auto; }

    .access-modal-dialog {
      position: relative;
      width: min(100%, 570px);
      padding: 34px;
      border-radius: 24px;
      background: var(--white);
      box-shadow: 0 32px 100px rgba(0,0,0,0.32);
      transform: translateY(14px) scale(0.985);
      transition: transform var(--ease);
    }

    .access-modal.is-open .access-modal-dialog { transform: translateY(0) scale(1); }

    .access-modal-close {
      position: absolute;
      top: 14px;
      right: 14px;
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border: 0;
      border-radius: 10px;
      background: var(--grey-100);
      color: var(--ink);
      font-size: 1.45rem;
      line-height: 1;
      cursor: pointer;
    }

    .access-modal-kicker { display: block; margin-bottom: 8px; color: var(--sp-red); font-size: 0.74rem; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
    .access-modal h2 { max-width: 450px; margin: 0; font-size: clamp(1.85rem, 5vw, 2.65rem); }
    .access-modal p { margin: 16px 0 0; color: var(--grey-700); }

    .access-modal-context {
      margin-top: 18px;
      padding: 13px 15px;
      border-left: 4px solid var(--sp-red);
      border-radius: 0 10px 10px 0;
      background: var(--grey-100);
      color: var(--ink-soft);
      font-size: 0.86rem;
      font-weight: 750;
    }

    .access-modal-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }

    .footer-link-button {
      padding: 0;
      border: 0;
      background: transparent;
      color: inherit;
      font: inherit;
      font-weight: 750;
      cursor: pointer;
    }

    .footer-link-button:hover { color: var(--sp-red); }

    @media (max-width: 1040px) {
      .hero-inner { grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr); }
      .kit-tabs { grid-template-columns: repeat(3, minmax(230px, 1fr)); }
    }

    @media (max-width: 860px) {
      .hero-inner { grid-template-columns: 1fr; }
      .hero-panel-head { grid-template-columns: 1fr; gap: 7px; }
      .kit-group-label { align-items: flex-start; flex-direction: column; gap: 4px; }
      .text-library-head { grid-template-columns: 1fr; gap: 18px; align-items: start; }
      .text-library-head-actions { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
      .text-options-grid--compact { grid-template-columns: 1fr; }
      .kit-tabs { grid-template-columns: repeat(2, minmax(230px, 1fr)); min-width: 760px; }
    }

    @media (max-width: 620px) {
      .pdf-overview-item { grid-template-columns: 32px minmax(0, 1fr); }
      .pdf-overview-action { grid-column: 2; justify-self: start; padding: 0; }
      .kit-list-note,
      .copy-clarity-note { font-size: 0.82rem; }
      .kit-selector-head { align-items: flex-start; flex-direction: column; gap: 8px; }
      .kit-tabs { display: flex; min-width: 0; width: max-content; }
      .kit-tab { width: 270px; flex: 0 0 270px; }
      .text-library-panel { padding: 20px 15px; }
      .text-group-heading { align-items: flex-start; flex-direction: column; gap: 5px; }
      .text-option { padding: 16px; }
      .text-option-head { align-items: flex-start; flex-direction: column; gap: 3px; }
      .text-option-footer { align-items: stretch; flex-direction: column; }
      .text-option-actions { display: grid; grid-template-columns: 1fr; }
      .text-option-actions .button { width: 100%; }
      .locked-preview-row { grid-template-columns: 1fr; gap: 5px; }
      .access-modal-dialog { padding: 30px 20px 22px; border-radius: 19px; }
      .access-modal-actions { display: grid; grid-template-columns: 1fr; }
      .access-modal-actions .button { width: 100%; }
    }


    /* UX revision 4 - compact kit library and dedicated text workspace */
    .sr-only {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0,0,0,0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    .hero-inner {
      grid-template-columns: minmax(0, 940px);
      min-height: min(760px, calc(100vh - var(--header-height)));
      justify-content: start;
      padding-block: clamp(82px, 10vw, 132px);
    }

    .hero h1 { max-width: 920px; }
    .hero .lead { max-width: 830px; }
    .hero-panel { display: none !important; }

    .brand-mark {
      display: grid;
      width: 48px;
      height: 48px;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
      overflow: visible;
    }

    .brand-mark svg {
      width: 42px;
      height: 42px;
      overflow: visible;
    }


    .anchor-target { scroll-margin-top: calc(var(--header-height) + 24px); }

    .kit-list-note--learning {
      margin-bottom: 28px;
      padding: 18px 20px;
      border: 1px solid var(--border);
      background: var(--white);
      color: var(--ink-soft);
      box-shadow: var(--shadow-sm);
    }

    .kit-list-note--learning .icon { color: var(--sp-red); }
    .kit-list-note--learning strong { color: var(--ink); }

    .copy-intro--hub { margin-bottom: 34px; }
    .copy-intro--hub h2 { max-width: 820px; }

    .guide-feature {
      display: grid;
      grid-template-columns: 84px minmax(0, 1fr) minmax(230px, auto);
      gap: 28px;
      align-items: center;
      padding: 30px;
      border: 1px solid rgba(255,255,255,0.13);
      border-radius: 26px;
      background:
        radial-gradient(circle at 88% 12%, rgba(227,14,19,0.31), transparent 30%),
        linear-gradient(125deg, #141414 0%, #242424 70%, #351516 100%);
      color: var(--white);
      box-shadow: var(--shadow-md);
    }

    .guide-feature-icon {
      display: grid;
      width: 76px;
      height: 76px;
      place-items: center;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 21px;
      background: rgba(255,255,255,0.96);
    }

    .guide-feature-icon svg { width: 51px; height: 51px; }
    .guide-feature-kicker { color: #FF5C60; font-size: 0.76rem; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
    .guide-feature-copy h3 { margin: 7px 0 8px; color: var(--white); font-size: clamp(1.4rem, 2.5vw, 2rem); }
    .guide-feature-copy p { max-width: 710px; margin: 0; color: rgba(255,255,255,0.72); }

    .guide-feature-points {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .guide-feature-points span {
      padding: 6px 10px;
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 999px;
      background: rgba(255,255,255,0.07);
      color: rgba(255,255,255,0.82);
      font-size: 0.78rem;
      font-weight: 750;
    }

    .guide-feature-actions { display: grid; gap: 9px; }
    .guide-feature-actions .button { width: 100%; }

    .kit-library-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 36px;
      align-items: end;
      margin-top: 66px;
    }

    .kit-library-heading h3 { max-width: 760px; margin: 7px 0 7px; font-size: clamp(1.55rem, 3vw, 2.35rem); }
    .kit-library-heading p { max-width: 760px; margin: 0; color: var(--grey-700); }

    .kit-result-count {
      display: grid;
      min-width: 118px;
      padding: 15px 17px;
      border: 1px solid var(--border);
      border-radius: 16px;
      background: var(--grey-100);
      text-align: right;
    }

    .kit-result-count strong { font-size: 1.65rem; line-height: 1; }
    .kit-result-count span { margin-top: 4px; color: var(--grey-700); font-size: 0.75rem; font-weight: 750; }

    .kit-picker-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin: 26px 0 20px;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--grey-100);
    }

    .kit-search {
      position: relative;
      display: flex;
      min-width: min(100%, 390px);
      flex: 1 1 390px;
      align-items: center;
    }

    .kit-search .icon { position: absolute; left: 14px; z-index: 1; color: var(--grey-700); }
    .kit-search input {
      width: 100%;
      min-height: 46px;
      padding: 10px 15px 10px 44px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      color: var(--ink);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .kit-search input:focus { border-color: rgba(0,167,209,0.65); box-shadow: 0 0 0 4px rgba(0,167,209,0.09); }
    .kit-filter-group { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }

    .kit-filter-button {
      min-height: 40px;
      padding: 8px 13px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: var(--white);
      color: var(--ink-soft);
      font-size: 0.82rem;
      font-weight: 800;
      cursor: pointer;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
    }

    .kit-filter-button:hover { border-color: var(--ink); }
    .kit-filter-button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--white); }
    .kit-filter-button:focus-visible { outline: 3px solid rgba(0,167,209,0.45); outline-offset: 3px; }

    .kit-picker-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 16px;
    }

    .kit-picker-card {
      display: flex;
      min-height: 356px;
      overflow: hidden;
      flex-direction: column;
      border: 1px solid var(--border);
      border-radius: 21px;
      background: var(--white);
      box-shadow: 0 10px 26px rgba(29,29,29,0.05);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .kit-picker-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
    .kit-picker-card--upcoming { background: linear-gradient(145deg, #F6F5F5, #ECEAEA); box-shadow: none; }

    .kit-picker-main {
      display: flex;
      width: 100%;
      flex: 1 1 auto;
      flex-direction: column;
      align-items: flex-start;
      padding: 23px 23px 20px;
      border: 0;
      background: transparent;
      color: inherit;
      text-align: left;
      cursor: pointer;
    }

    .kit-picker-main:focus-visible { outline: 3px solid rgba(0,167,209,0.45); outline-offset: -4px; }
    .kit-picker-topline { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 12px; }
    .kit-picker-number { color: var(--sp-red); font-size: 0.78rem; font-weight: 950; letter-spacing: 0.09em; }
    .kit-picker-status { color: var(--green); font-size: 0.73rem; font-weight: 850; text-align: right; }
    .kit-picker-card--upcoming .kit-picker-status { color: var(--grey-700); }

    .kit-picker-icon-wrap {
      display: grid;
      width: 66px;
      height: 66px;
      place-items: center;
      margin: 24px 0 17px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--grey-100);
    }

    .kit-picker-card--upcoming .kit-picker-icon-wrap { background: rgba(255,255,255,0.55); }
    .kit-picker-icon { width: 46px; height: 46px; }
    .kit-picker-level { margin-bottom: 7px; color: var(--grey-700); font-size: 0.74rem; font-weight: 850; text-transform: uppercase; letter-spacing: 0.07em; }
    .kit-picker-title { display: block; font-size: 1.25rem; font-weight: 900; line-height: 1.18; letter-spacing: -0.025em; }
    .kit-picker-description { display: block; margin-top: 10px; color: var(--grey-700); font-size: 0.9rem; line-height: 1.52; }

    .kit-picker-cta {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: auto;
      padding-top: 22px;
      color: var(--ink);
      font-size: 0.86rem;
      font-weight: 900;
    }

    .kit-picker-cta .icon { width: 17px; height: 17px; color: var(--sp-red); transition: transform var(--ease); }
    .kit-picker-main:hover .kit-picker-cta .icon { transform: translateX(3px); }

    .kit-picker-footer {
      display: flex;
      min-height: 54px;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 18px;
      border-top: 1px solid var(--border);
      color: var(--grey-700);
      font-size: 0.75rem;
      font-weight: 750;
    }

    .kit-picker-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 0;
      border: 0;
      background: transparent;
      color: var(--ink);
      font: inherit;
      font-weight: 900;
      text-decoration: none;
      cursor: pointer;
    }

    .kit-picker-link:hover { color: var(--sp-red); }
    .kit-picker-link .icon { width: 16px; height: 16px; }

    .kit-empty-state {
      display: grid;
      place-items: center;
      gap: 8px;
      margin-top: 16px;
      padding: 34px;
      border: 1px dashed var(--grey-500);
      border-radius: 18px;
      background: var(--grey-100);
      color: var(--grey-700);
      text-align: center;
    }

    .kit-empty-state .icon { width: 28px; height: 28px; color: var(--sp-red); }
    .kit-empty-state strong { color: var(--ink); }

    .text-modal {
      position: fixed;
      inset: 0;
      z-index: 2500;
      display: grid;
      place-items: center;
      padding: 18px;
      background: rgba(10,10,10,0.76);
      backdrop-filter: blur(12px);
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
      transition: opacity 180ms ease, visibility 180ms ease;
    }

    .text-modal.is-open { visibility: visible; opacity: 1; pointer-events: auto; }

    .text-modal-dialog {
      display: grid;
      width: min(1260px, 100%);
      height: min(900px, calc(100dvh - 36px));
      min-height: 0;
      grid-template-rows: auto minmax(0, 1fr);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 27px;
      background: var(--white);
      box-shadow: 0 36px 120px rgba(0,0,0,0.42);
      transform: translateY(18px) scale(0.988);
      transition: transform 180ms ease;
    }

    .text-modal.is-open .text-modal-dialog { transform: translateY(0) scale(1); }

    .text-modal-header {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: end;
      padding: 27px 74px 25px 31px;
      border-bottom: 1px solid var(--border);
      background: linear-gradient(120deg, #FFFFFF 0%, #F8F7F7 72%, #F3EAEA 100%);
    }

    .text-modal-kicker { display: block; margin-bottom: 5px; color: var(--sp-red); font-size: 0.76rem; font-weight: 950; letter-spacing: 0.11em; text-transform: uppercase; }
    .text-modal-heading h2 { margin: 0; max-width: 820px; font-size: clamp(1.7rem, 3.3vw, 2.75rem); line-height: 1.04; }
    .text-modal-heading p { max-width: 780px; margin: 10px 0 0; color: var(--grey-700); font-size: 0.91rem; }
    .text-modal-header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
    .text-modal-header-actions .button { min-height: 42px; padding: 9px 13px; font-size: 0.82rem; }

    .text-modal-close {
      position: absolute;
      top: 18px;
      right: 18px;
      display: grid;
      width: 42px;
      height: 42px;
      place-items: center;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      color: var(--ink);
      font-size: 1.55rem;
      line-height: 1;
      cursor: pointer;
      transition: background var(--ease), transform var(--ease);
    }

    .text-modal-close:hover { background: var(--grey-200); transform: rotate(2deg); }
    .text-modal-close:focus-visible { outline: 3px solid rgba(0,167,209,0.45); outline-offset: 3px; }

    .text-modal-body { display: grid; min-height: 0; grid-template-columns: 270px minmax(0, 1fr); }

    .theme-rail {
      display: flex;
      min-height: 0;
      overflow-y: auto;
      flex-direction: column;
      gap: 8px;
      padding: 20px 14px;
      border-right: 1px solid var(--border);
      background: var(--grey-100);
    }

    .theme-tab {
      display: grid;
      grid-template-columns: 50px minmax(0, 1fr);
      gap: 12px;
      align-items: center;
      width: 100%;
      padding: 13px;
      border: 1px solid transparent;
      border-radius: 16px;
      background: transparent;
      color: var(--ink-soft);
      text-align: left;
      cursor: pointer;
      transition: background var(--ease), border-color var(--ease), box-shadow var(--ease), transform var(--ease);
    }

    .theme-tab:hover { background: rgba(255,255,255,0.64); }
    .theme-tab[aria-selected="true"] { border-color: var(--border); background: var(--white); color: var(--ink); box-shadow: 0 8px 22px rgba(29,29,29,0.07); }
    .theme-tab:focus-visible { outline: 3px solid rgba(0,167,209,0.45); outline-offset: 2px; }

    .theme-tab-icon {
      display: grid;
      width: 50px;
      height: 50px;
      place-items: center;
      border-radius: 14px;
      background: var(--white);
      box-shadow: inset 0 0 0 1px var(--border);
    }

    .theme-tab[aria-selected="true"] .theme-tab-icon { background: #FFF5F5; box-shadow: inset 0 0 0 1px rgba(227,14,19,0.17); }
    .theme-tab-icon svg { width: 35px; height: 35px; }
    .theme-tab-copy { display: grid; gap: 3px; }
    .theme-tab-copy strong { font-size: 0.87rem; line-height: 1.25; }
    .theme-tab-copy span { color: var(--grey-700); font-size: 0.72rem; }

    .theme-workspace { min-width: 0; min-height: 0; overflow-y: auto; padding: 31px clamp(22px, 4vw, 48px) 48px; scroll-behavior: smooth; }
    .theme-workspace-inner { max-width: 920px; margin-inline: auto; }

    .theme-panel-head {
      display: grid;
      grid-template-columns: 68px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      margin-bottom: 30px;
      padding-bottom: 23px;
      border-bottom: 1px solid var(--border);
    }

    .theme-panel-icon {
      display: grid;
      width: 68px;
      height: 68px;
      place-items: center;
      border-radius: 19px;
      background: #FFF5F5;
      box-shadow: inset 0 0 0 1px rgba(227,14,19,0.15);
    }

    .theme-panel-icon svg { width: 48px; height: 48px; }
    .theme-panel-head h3 { margin: 0 0 6px; font-size: clamp(1.45rem, 2.5vw, 2rem); }
    .theme-panel-head p { margin: 0; color: var(--grey-700); }
    .theme-panel-count { align-self: start; padding: 6px 9px; border-radius: 999px; background: var(--grey-200); color: var(--ink-soft); font-size: 0.75rem; font-weight: 850; white-space: nowrap; }

    .modal-text-grid { display: grid; gap: 24px; }
    .modal-text-grid--compact { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

    .modal-text-card {
      display: grid;
      gap: 14px;
      padding: 21px;
      border: 1px solid var(--border);
      border-radius: 19px;
      background: var(--white);
      box-shadow: 0 10px 26px rgba(29,29,29,0.045);
    }

    .modal-text-card--compact { padding: 18px; box-shadow: none; }
    .modal-text-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; }
    .modal-text-card-head strong { font-size: 0.97rem; }
    .modal-text-card-head span { color: var(--grey-700); font-size: 0.72rem; font-weight: 850; text-transform: uppercase; letter-spacing: 0.05em; }

    .modal-textarea {
      width: 100%;
      min-height: 210px;
      max-height: 54vh;
      resize: vertical;
      overflow-y: auto;
      padding: 17px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #FCFBFB;
      color: var(--ink);
      font-size: 0.95rem;
      line-height: 1.62;
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .modal-text-card--compact .modal-textarea { min-height: 120px; font-size: 0.91rem; }
    .modal-textarea:focus { border-color: rgba(0,167,209,0.65); background: var(--white); box-shadow: 0 0 0 4px rgba(0,167,209,0.09); outline: none; }

    .modal-text-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .modal-text-meta { display: grid; gap: 2px; color: var(--grey-700); font-size: 0.74rem; }
    .modal-text-visible { color: #2F6E21; font-weight: 850; }
    .modal-text-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
    .modal-text-actions .button { min-height: 40px; padding: 8px 11px; font-size: 0.8rem; }

    .theme-bottom-note {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-top: 25px;
      padding: 15px 17px;
      border-left: 4px solid var(--sp-red);
      border-radius: 0 12px 12px 0;
      background: var(--grey-100);
      color: var(--ink-soft);
      font-size: 0.83rem;
    }

    .theme-bottom-note .icon { margin-top: 1px; color: var(--sp-red); flex: 0 0 auto; }

    @media (max-width: 1040px) {
      .hero-inner { grid-template-columns: minmax(0, 1fr); }
      .guide-feature { grid-template-columns: 76px minmax(0, 1fr); }
      .guide-feature-actions { grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .text-modal-body { grid-template-columns: 230px minmax(0, 1fr); }
      .text-modal-header { grid-template-columns: 1fr; align-items: start; }
      .text-modal-header-actions { justify-content: flex-start; }
    }

    @media (max-width: 760px) {
      .guide-feature { grid-template-columns: 1fr; padding: 24px; }
      .guide-feature-icon { width: 66px; height: 66px; }
      .guide-feature-actions { grid-column: auto; grid-template-columns: 1fr; }
      .kit-library-heading { grid-template-columns: 1fr; gap: 18px; }
      .kit-result-count { justify-self: start; text-align: left; }
      .kit-picker-toolbar { align-items: stretch; flex-direction: column; }
      .kit-filter-group { justify-content: flex-start; }
      .text-modal { padding: 0; }
      .text-modal-dialog { width: 100%; height: 100dvh; border: 0; border-radius: 0; }
      .text-modal-header { padding: 22px 62px 20px 20px; }
      .text-modal-heading h2 { font-size: clamp(1.55rem, 7vw, 2.2rem); }
      .text-modal-close { top: 14px; right: 14px; }
      .text-modal-body { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
      .theme-rail { overflow-x: auto; overflow-y: hidden; flex-direction: row; padding: 11px 12px; border-right: 0; border-bottom: 1px solid var(--border); }
      .theme-tab { width: 225px; flex: 0 0 225px; grid-template-columns: 44px minmax(0, 1fr); padding: 10px; }
      .theme-tab-icon { width: 44px; height: 44px; }
      .theme-tab-icon svg { width: 31px; height: 31px; }
      .theme-workspace { padding: 23px 17px 36px; }
      .theme-panel-head { grid-template-columns: 58px minmax(0, 1fr); gap: 14px; }
      .theme-panel-icon { width: 58px; height: 58px; }
      .theme-panel-icon svg { width: 41px; height: 41px; }
      .theme-panel-count { grid-column: 2; justify-self: start; }
      .modal-text-grid--compact { grid-template-columns: 1fr; }
      .modal-text-footer { align-items: stretch; flex-direction: column; }
      .modal-text-actions { display: grid; grid-template-columns: 1fr; }
      .modal-text-actions .button { width: 100%; }
    }

    @media (max-width: 480px) {
      .kit-picker-grid { grid-template-columns: 1fr; }
      .kit-picker-footer { align-items: flex-start; flex-direction: column; }
      .kit-search { min-width: 0; }
      .kit-filter-button { flex: 1 1 auto; }
      .text-modal-header-actions { display: grid; grid-template-columns: 1fr; }
      .text-modal-header-actions .button { width: 100%; }
      .modal-text-card { padding: 17px 14px; }
      .modal-textarea { min-height: 190px; }
      .modal-text-card--compact .modal-textarea { min-height: 126px; }
    }

    @media (prefers-reduced-motion: reduce) {
      .text-modal, .text-modal-dialog, .kit-picker-card, .kit-picker-cta .icon { transition: none !important; }
      .theme-workspace { scroll-behavior: auto; }
    }



    /* UX revision 6 - quick-access hero library and official animated S&P mark */
    .hero {
      overflow: clip;
    }

    .hero::before,
    .hero::after {
      display: none;
    }

    .hero-inner {
      position: relative;
      z-index: 3;
      grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.72fr);
      min-height: calc(100vh - var(--header-height));
      justify-content: initial;
      gap: clamp(38px, 5vw, 76px);
      align-items: center;
      padding-block: clamp(68px, 8vw, 108px);
    }

    .hero-copy {
      position: relative;
      z-index: 3;
      min-width: 0;
    }

    .hero h1 {
      max-width: 790px;
      font-size: clamp(2.7rem, 5.5vw, 5.15rem);
    }

    .hero .lead { max-width: 760px; }

    .hero-helix {
      position: absolute;
      z-index: 1;
      top: 48%;
      right: clamp(-355px, -17vw, -190px);
      width: clamp(520px, 46vw, 760px);
      aspect-ratio: 1;
      opacity: 0.6;
      pointer-events: none;
      transform: translate3d(0, -50%, 0) rotate(7deg) scale(0.82);
      transform-origin: 50% 50%;
      filter: drop-shadow(0 34px 70px rgba(227,14,19,0.22));
      will-change: transform, opacity;
    }

    .hero-helix::after {
      position: absolute;
      inset: 13%;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(227,14,19,0.14), transparent 66%);
      content: "";
      filter: blur(10px);
    }

    .hero-helix svg {
      position: relative;
      z-index: 1;
      width: 100%;
      height: 100%;
      overflow: visible;
    }

    .hero .hero-panel--quick {
      position: relative;
      z-index: 4;
      display: block !important;
      overflow: hidden;
      padding: 22px;
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 24px;
      background: linear-gradient(145deg, rgba(255,255,255,0.105), rgba(255,255,255,0.055));
      box-shadow: 0 30px 90px rgba(0,0,0,0.31), inset 0 1px 0 rgba(255,255,255,0.08);
      backdrop-filter: blur(22px) saturate(118%);
      -webkit-backdrop-filter: blur(22px) saturate(118%);
      animation: quick-panel-reveal 720ms cubic-bezier(.2,.8,.2,1) both 120ms;
    }

    @property --quick-panel-orbit-angle {
      syntax: "<angle>";
      inherits: false;
      initial-value: 0deg;
    }

    .hero .hero-panel--quick {
      isolation: isolate;
    }

    .hero .hero-panel--quick::before {
      position: absolute;
      inset: 0;
      z-index: 0;
      padding: 1.5px;
      border-radius: inherit;
      background: conic-gradient(
        from var(--quick-panel-orbit-angle),
        transparent 0deg 278deg,
        rgba(227,14,19,0.04) 292deg,
        rgba(255,92,96,0.96) 322deg,
        rgba(227,14,19,0.18) 350deg,
        transparent 360deg
      );
      content: "";
      pointer-events: none;
      opacity: 0.9;
      filter: drop-shadow(0 0 8px rgba(227,14,19,0.28));
      -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      animation: quick-panel-border-orbit 14s linear infinite;
    }

    .hero .hero-panel--quick > * {
      position: relative;
      z-index: 1;
    }

    @keyframes quick-panel-border-orbit {
      to { --quick-panel-orbit-angle: 360deg; }
    }

    @keyframes quick-panel-reveal {
      from { opacity: 0; transform: translate3d(24px, 12px, 0) scale(0.985); }
      to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
    }

    .quick-panel-head {
      display: grid;
      gap: 5px;
      margin-bottom: 15px;
    }

    .quick-panel-kicker {
      color: #FF7377;
      font-size: 0.68rem;
      font-weight: 950;
      letter-spacing: 0.11em;
      text-transform: uppercase;
    }

    .quick-panel-head h2 {
      margin: 0;
      font-size: 1.23rem;
      line-height: 1.15;
      letter-spacing: -0.025em;
    }

    .quick-panel-head p {
      margin: 0;
      color: rgba(255,255,255,0.62);
      font-size: 0.76rem;
      line-height: 1.45;
    }

    .quick-guide-row,
    .quick-kit-row {
      width: 100%;
      border: 0;
      color: var(--white);
      text-align: left;
      cursor: pointer;
    }

    .quick-guide-row {
      display: grid;
      grid-template-columns: 36px minmax(0, 1fr) auto;
      gap: 11px;
      align-items: center;
      min-height: 57px;
      padding: 9px 11px;
      border: 1px solid rgba(255,100,104,0.2);
      border-radius: 15px;
      background: linear-gradient(105deg, rgba(227,14,19,0.19), rgba(255,255,255,0.055));
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .quick-guide-row:hover {
      border-color: rgba(255,120,124,0.45);
      background: linear-gradient(105deg, rgba(227,14,19,0.27), rgba(255,255,255,0.075));
      box-shadow: 0 13px 30px rgba(0,0,0,0.18);
      transform: translateY(-1px);
    }

    .quick-guide-number,
    .quick-kit-number {
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 10px;
      background: rgba(227,14,19,0.2);
      color: #FF777A;
      font-size: 0.72rem;
      font-weight: 950;
      letter-spacing: -0.02em;
    }

    .quick-guide-number { width: 36px; height: 36px; }
    .quick-kit-number { width: 31px; height: 31px; }

    .quick-guide-copy,
    .quick-kit-copy { min-width: 0; }

    .quick-guide-copy strong,
    .quick-kit-copy strong {
      display: block;
      color: var(--white);
      line-height: 1.24;
    }

    .quick-guide-copy strong { font-size: 0.82rem; }
    .quick-kit-copy strong { font-size: 0.75rem; }

    .quick-guide-copy span,
    .quick-kit-copy span {
      display: block;
      margin-top: 2px;
      color: rgba(255,255,255,0.5);
      font-size: 0.63rem;
      font-weight: 760;
      line-height: 1.3;
      text-transform: uppercase;
      letter-spacing: 0.055em;
    }

    .quick-guide-action,
    .quick-kit-action {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: rgba(255,255,255,0.82);
      font-size: 0.68rem;
      font-weight: 900;
      white-space: nowrap;
    }

    .quick-guide-action .icon,
    .quick-kit-action .icon { width: 15px; height: 15px; }

    .quick-panel-section { margin-top: 17px; }

    .quick-section-label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 4px;
      color: rgba(255,255,255,0.48);
      font-size: 0.64rem;
      font-weight: 900;
      letter-spacing: 0.085em;
      text-transform: uppercase;
    }

    .quick-section-label::after {
      height: 1px;
      flex: 1 1 auto;
      background: rgba(255,255,255,0.11);
      content: "";
    }

    .quick-kit-list {
      display: grid;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .quick-kit-row {
      display: grid;
      grid-template-columns: 31px minmax(0, 1fr) auto;
      gap: 10px;
      align-items: center;
      min-height: 46px;
      padding: 7px 5px;
      border-radius: 11px;
      background: transparent;
      transition: background var(--ease), transform var(--ease), opacity var(--ease);
    }

    .quick-kit-row:hover {
      background: rgba(255,255,255,0.07);
      transform: translateX(3px);
    }

    .quick-kit-row:focus-visible,
    .quick-guide-row:focus-visible {
      outline: 3px solid rgba(0,167,209,0.52);
      outline-offset: 3px;
    }

    .quick-kit-row--upcoming { opacity: 0.57; }
    .quick-kit-row--upcoming:hover { opacity: 0.92; }
    .quick-kit-row--upcoming .quick-kit-number {
      background: rgba(255,255,255,0.08);
      color: rgba(255,255,255,0.58);
    }
    .quick-kit-row--upcoming .quick-kit-action { color: rgba(255,255,255,0.52); }

    .quick-panel-note {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      margin: 14px 0 0;
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,0.1);
      color: rgba(255,255,255,0.52);
      font-size: 0.69rem;
      line-height: 1.45;
    }

    .quick-panel-note .icon {
      width: 16px;
      height: 16px;
      margin-top: 1px;
      color: #FF6B6F;
    }

    .quick-panel-more {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: 12px;
      color: rgba(255,255,255,0.72);
      font-size: 0.72rem;
      font-weight: 850;
      text-decoration: none;
      transition: color var(--ease), transform var(--ease);
    }

    .quick-panel-more .icon {
      width: 15px;
      height: 15px;
      color: #FF6B6F;
      transition: transform var(--ease);
    }

    .quick-panel-more:hover,
    .quick-panel-more:focus-visible { color: var(--white); }
    .quick-panel-more:hover .icon { transform: translateX(3px); }

    .kit-picker-footer-note {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--grey-700);
      font-size: 0.78rem;
      font-weight: 760;
    }

    .kit-picker-footer-note .icon { width: 16px; height: 16px; color: var(--sp-red); }

    .guide-feature-actions { min-width: 240px; }

    @media (max-width: 1080px) {
      .hero-inner {
        grid-template-columns: minmax(0, 1fr) minmax(330px, 390px);
        gap: 32px;
      }
      .hero h1 { font-size: clamp(2.55rem, 5.8vw, 4.55rem); }
      .hero-helix { right: -310px; width: 650px; opacity: 0.5; }
    }

    @media (max-width: 900px) {
      .hero-inner {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 34px;
        padding-block: 70px 62px;
      }
      .hero h1 { max-width: 820px; }
      .hero .hero-panel--quick { max-width: 680px; }
      .hero-helix {
        top: 62%;
        right: -330px;
        width: 680px;
        opacity: 0.4;
      }
    }

    @media (max-width: 620px) {
      .hero-inner { padding-block: 54px 46px; }
      .hero .hero-panel--quick { padding: 18px 16px; border-radius: 20px; }
      .quick-panel-head p { font-size: 0.73rem; }
      .quick-guide-row { grid-template-columns: 34px minmax(0, 1fr); }
      .quick-guide-action { grid-column: 2; justify-self: start; }
      .quick-kit-row { grid-template-columns: 30px minmax(0, 1fr); padding-block: 8px; }
      .quick-kit-action { grid-column: 2; justify-self: start; margin-top: -2px; }
      .hero-helix { right: -390px; width: 660px; opacity: 0.3; }
      .guide-feature-actions { min-width: 0; }
    }

    @media (prefers-reduced-motion: reduce) {
      .hero .hero-panel--quick { animation: none; }
      .hero-helix { will-change: auto; }
    }



    /* UX revision 7 - restrained copy, visible previews and supplied thick helix */
    .hero-helix {
      top: 51%;
      right: clamp(-390px, -18vw, -210px);
      width: clamp(590px, 50vw, 840px);
      opacity: 0.62;
      transform: translate3d(0, -50%, 0) rotate(8deg) scale(0.78);
      filter: drop-shadow(0 34px 76px rgba(227,14,19,0.25));
    }

    .hero-helix::after {
      inset: 16%;
      background: radial-gradient(circle, rgba(227,14,19,0.18), transparent 68%);
      filter: blur(18px);
    }

    .hero .hero-panel--quick {
      padding: 22px 22px 19px;
    }

    .quick-panel-head { margin-bottom: 13px; }
    .quick-panel-head h2 { font-size: 1.28rem; }
    .quick-guide-row { min-height: 55px; }
    .quick-panel-section { margin-top: 15px; }
    .quick-section-label { margin-bottom: 3px; }
    .quick-kit-row { min-height: 43px; padding-block: 6px; }

    .quick-panel-section--upcoming {
      margin-top: 13px;
      padding-top: 1px;
    }

    .quick-kit-row--upcoming {
      opacity: 0.61;
      background: rgba(255,255,255,0.015);
    }

    .quick-kit-row--upcoming:hover,
    .quick-kit-row--upcoming:focus-visible {
      opacity: 0.94;
      background: rgba(255,255,255,0.065);
    }

    .quick-kit-row--upcoming .quick-kit-copy strong { color: rgba(255,255,255,0.76); }
    .quick-kit-row--upcoming .quick-kit-copy span { color: rgba(255,255,255,0.39); }
    .quick-kit-row--upcoming .quick-kit-action { color: rgba(255,255,255,0.58); }
    .quick-panel-more { margin-top: 10px; }

    .guide-feature { margin-top: 2px; }
    .kit-library-heading { margin-top: 58px; }
    .kit-picker-card { min-height: 326px; }
    .kit-picker-card--upcoming { border-color: rgba(29,29,29,0.1); }
    .kit-picker-card--upcoming .kit-picker-main { opacity: 0.76; }
    .kit-picker-card--upcoming:hover .kit-picker-main,
    .kit-picker-card--upcoming:focus-within .kit-picker-main { opacity: 0.94; }
    .kit-picker-card--upcoming .kit-picker-number,
    .kit-picker-card--upcoming .kit-picker-status,
    .kit-picker-card--upcoming .kit-picker-level { color: var(--grey-700); }
    .kit-picker-card--upcoming .kit-picker-icon { opacity: 0.7; filter: grayscale(1); }
    .kit-picker-card--upcoming .kit-picker-cta { color: var(--ink-soft); }
    .kit-picker-card--upcoming .kit-picker-cta .icon { color: var(--grey-700); }

    @media (max-width: 1080px) {
      .hero-helix { right: -365px; width: 720px; }
    }

    @media (max-width: 900px) {
      .hero-helix { top: 66%; right: -390px; width: 760px; opacity: 0.48; }
    }

    @media (max-width: 620px) {
      .hero .hero-panel--quick { padding: 18px 16px 16px; }
      .quick-kit-row { min-height: 45px; }
      .hero-helix { top: 68%; right: -455px; width: 790px; opacity: 0.34; }
    }



    /* UX revision 8 - subtle PDF cue in the KIT 00 modal */
    .text-modal-header-actions.has-pdf-nudge {
      align-items: center;
      flex-wrap: nowrap;
    }

    .pdf-cta-nudge {
      display: inline-flex;
      width: clamp(132px, 12vw, 196px);
      height: 46px;
      flex: 0 0 auto;
      align-items: center;
      justify-content: flex-end;
      margin-right: -2px;
      color: var(--sp-red);
      pointer-events: none;
    }

    .pdf-cta-nudge svg {
      width: 100%;
      height: 100%;
      overflow: visible;
      filter: drop-shadow(0 5px 10px rgba(227,14,19,0.16));
      animation: pdf-cta-drift 3.8s cubic-bezier(.45,0,.2,1) 1s infinite;
      will-change: transform;
    }

    .pdf-cta-nudge-line {
      stroke-dasharray: 220;
      stroke-dashoffset: 220;
      animation: pdf-cta-draw 920ms cubic-bezier(.2,.78,.25,1) 120ms forwards;
    }

    .pdf-cta-nudge-head {
      opacity: 0;
      transform: translateX(-8px) scale(.86);
      transform-box: fill-box;
      transform-origin: center;
      animation: pdf-cta-head-in 560ms cubic-bezier(.2,.78,.25,1) 720ms forwards;
    }

    .pdf-cta-nudge-dot {
      opacity: 0;
      animation: pdf-cta-dot-in 420ms ease 180ms forwards;
    }

    @keyframes pdf-cta-draw {
      to { stroke-dashoffset: 0; }
    }

    @keyframes pdf-cta-head-in {
      to { opacity: 1; transform: translateX(0) scale(1); }
    }

    @keyframes pdf-cta-dot-in {
      to { opacity: 0.72; }
    }

    @keyframes pdf-cta-drift {
      0%, 100% { transform: translate3d(0,0,0); }
      50% { transform: translate3d(12px,0,0); }
    }

    @media (max-width: 1040px) {
      .pdf-cta-nudge { width: 118px; }
    }

    @media (max-width: 760px) {
      .pdf-cta-nudge { width: 82px; height: 38px; }
      .text-modal-header-actions.has-pdf-nudge {
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: flex-end;
        flex-wrap: nowrap;
        gap: 6px;
      }
      .text-modal-header-actions.has-pdf-nudge .button {
        width: auto;
        min-width: 0;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .pdf-cta-nudge svg,
      .pdf-cta-nudge-line,
      .pdf-cta-nudge-head,
      .pdf-cta-nudge-dot {
        animation: none !important;
      }
      .pdf-cta-nudge-line { stroke-dashoffset: 0; }
      .pdf-cta-nudge-head { opacity: 1; transform: none; }
      .pdf-cta-nudge-dot { opacity: 0.72; }
    }


    /* UX revision 9 - reliable PDF opening and mobile-first refinements */
    .nav-backdrop { display: none; }

    @media (max-width: 860px) {
      .site-nav {
        inset: calc(var(--header-height) + 8px) 12px auto 12px;
        z-index: 2;
        max-height: calc(100dvh - var(--header-height) - 20px);
        overflow-y: auto;
        gap: 2px;
        padding: 10px;
        border: 1px solid var(--border);
        border-radius: 18px;
        background: rgba(255,255,255,0.985);
        box-shadow: 0 26px 70px rgba(0,0,0,0.22);
        transform: translateY(-10px) scale(0.985);
        transform-origin: top center;
      }

      body.nav-open .site-nav { transform: translateY(0) scale(1); }

      .site-nav a {
        display: flex;
        min-height: 48px;
        align-items: center;
        padding: 12px 14px;
        border-radius: 11px;
        font-size: 0.94rem;
      }

      .site-nav a + a { border-top: 1px solid rgba(29,29,29,0.06); }
      .site-nav a:hover,
      .site-nav a:focus-visible { background: var(--grey-100); }

      .nav-backdrop {
        position: fixed;
        inset: var(--header-height) 0 0;
        z-index: 990;
        display: block;
        border: 0;
        background: rgba(16,16,16,0.42);
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--ease), visibility var(--ease);
      }

      body.nav-open .nav-backdrop {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
      }
    }

    @media (max-width: 620px) {
      .container { width: min(calc(100% - 28px), var(--container)); }
      .section { padding: 54px 0; }
      .section-heading { gap: 14px; margin-bottom: 30px; }
      .section-heading h2 { font-size: clamp(2rem, 10vw, 2.6rem); }

      .hero-inner {
        gap: 28px;
        padding-block: 46px 38px;
      }

      .hero h1 {
        font-size: clamp(2.36rem, 12.6vw, 3.2rem);
        line-height: 0.99;
        letter-spacing: -0.048em;
      }

      .hero .lead {
        margin-top: 20px;
        font-size: 1rem;
        line-height: 1.56;
      }

      .hero-actions { gap: 9px; margin-top: 28px; }
      .hero-actions .button { min-height: 48px; }
      .freedom-note { margin-top: 20px; font-size: 0.86rem; }

      .hero .hero-panel--quick {
        max-width: 100%;
        padding: 17px 15px 15px;
        border-radius: 20px;
        animation: quick-panel-mobile-reveal 420ms cubic-bezier(.2,.8,.2,1) both 30ms;
      }

      @keyframes quick-panel-mobile-reveal {
        from { opacity: 0; transform: translate3d(0, 8px, 0); }
        to { opacity: 1; transform: translate3d(0, 0, 0); }
      }

      .quick-panel-head { margin-bottom: 12px; }
      .quick-panel-head h2 { font-size: 1.18rem; }
      .quick-panel-head p { font-size: 0.72rem; }

      .quick-guide-row {
        grid-template-columns: 34px minmax(0, 1fr) auto;
        gap: 9px;
        min-height: 52px;
        padding: 8px 9px;
      }

      .quick-guide-action {
        grid-column: auto;
        justify-self: end;
        margin: 0;
      }

      .quick-kit-row {
        grid-template-columns: 29px minmax(0, 1fr) auto;
        gap: 8px;
        min-height: 41px;
        padding: 6px 3px;
      }

      .quick-kit-action {
        grid-column: auto;
        justify-self: end;
        margin: 0;
        font-size: 0.63rem;
      }

      .quick-kit-copy strong { font-size: 0.72rem; }
      .quick-kit-copy span { font-size: 0.59rem; }
      .quick-panel-section { margin-top: 13px; }
      .quick-panel-section--upcoming { margin-top: 11px; }

      .guide-feature { padding: 22px 18px; border-radius: 20px; }
      .guide-feature-points { gap: 6px; }
      .guide-feature-points span { font-size: 0.73rem; }

      .kit-library-heading { margin-top: 48px; }
      .kit-picker-toolbar { gap: 10px; padding: 10px; border-radius: 16px; }
      .kit-filter-group {
        width: 100%;
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 1px 1px 4px;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
      }
      .kit-filter-group::-webkit-scrollbar { display: none; }
      .kit-filter-button { flex: 0 0 auto; min-height: 42px; white-space: nowrap; }

      .kit-picker-grid { gap: 12px; }
      .kit-picker-card { min-height: 0; border-radius: 18px; }
      .kit-picker-main { padding: 19px 18px 17px; }
      .kit-picker-icon-wrap {
        width: 58px;
        height: 58px;
        margin: 18px 0 14px;
        border-radius: 16px;
      }
      .kit-picker-icon { width: 40px; height: 40px; }
      .kit-picker-title { font-size: 1.14rem; }
      .kit-picker-description { margin-top: 8px; font-size: 0.87rem; line-height: 1.48; }
      .kit-picker-cta { padding-top: 17px; }
      .kit-picker-footer { min-height: 0; padding: 10px 16px; }

      .participation-option { padding: 24px 20px; }
      .participation-icon { margin-bottom: 18px; }
      .rule-block { padding: 22px 18px; }

      .access-modal {
        place-items: end center;
        padding: 0;
      }
      .access-modal-dialog {
        width: 100%;
        max-width: none;
        padding: 29px 20px max(22px, env(safe-area-inset-bottom));
        border-radius: 24px 24px 0 0;
      }
    }

    @media (max-width: 760px) {
      .text-modal-dialog {
        height: 100dvh;
        max-height: 100dvh;
      }

      .theme-rail {
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
      }
      .theme-rail::-webkit-scrollbar { display: none; }
      .theme-tab { scroll-snap-align: start; }

      .theme-workspace {
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
      }
    }

    @media (max-width: 480px) {
      .text-modal-header {
        gap: 14px;
        padding: max(18px, env(safe-area-inset-top)) 58px 15px 16px;
      }

      .text-modal-heading h2 {
        font-size: clamp(1.5rem, 7.7vw, 1.86rem);
        line-height: 1.03;
      }

      .text-modal-heading p {
        margin-top: 8px;
        font-size: 0.86rem;
        line-height: 1.5;
      }

      .text-modal-close {
        top: max(14px, env(safe-area-inset-top));
        right: 14px;
        width: 40px;
        height: 40px;
      }

      .text-modal-header-actions,
      .text-modal-header-actions.has-pdf-nudge {
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: flex-end;
        flex-wrap: nowrap;
        gap: 7px;
      }

      .pdf-cta-nudge {
        width: auto;
        min-width: 56px;
        max-width: 92px;
        height: 36px;
        flex: 1 1 72px;
      }

      .text-modal-header-actions.has-pdf-nudge .button {
        width: auto;
        min-width: 0;
        min-height: 44px;
        flex: 0 0 auto;
        padding: 9px 12px;
        font-size: 0.8rem;
        white-space: nowrap;
      }

      .theme-rail { gap: 8px; padding: 10px 10px 11px; }
      .theme-tab {
        width: 190px;
        flex: 0 0 190px;
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 10px;
        padding: 9px;
        border-radius: 14px;
      }
      .theme-tab-icon { width: 42px; height: 42px; border-radius: 12px; }
      .theme-tab-icon svg { width: 29px; height: 29px; }
      .theme-tab-copy strong { font-size: 0.82rem; }
      .theme-tab-copy span { font-size: 0.68rem; }

      .theme-workspace {
        padding: 20px 16px max(28px, env(safe-area-inset-bottom));
      }

      .theme-panel-head {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 12px;
        margin-bottom: 22px;
        padding-bottom: 18px;
      }
      .theme-panel-icon { width: 52px; height: 52px; border-radius: 16px; }
      .theme-panel-icon svg { width: 37px; height: 37px; }
      .theme-panel-head h3 { margin-bottom: 5px; font-size: 1.45rem; }
      .theme-panel-head p { font-size: 0.9rem; line-height: 1.5; }
      .theme-panel-count { padding: 5px 8px; font-size: 0.7rem; }

      .modal-text-grid { gap: 16px; }
      .modal-text-card,
      .modal-text-card--compact {
        gap: 12px;
        padding: 16px 14px;
        border-radius: 16px;
      }
      .modal-text-card-head { align-items: flex-start; }
      .modal-textarea {
        min-height: 150px;
        max-height: 42dvh;
        resize: none;
        padding: 14px;
        font-size: 0.94rem;
        line-height: 1.56;
      }
      .modal-text-card--compact .modal-textarea { min-height: 110px; }
      .modal-text-footer { gap: 10px; }
      .modal-text-actions {
        display: grid;
        width: 100%;
        grid-template-columns: auto minmax(0, 1fr);
        gap: 8px;
      }
      .modal-text-actions .button { width: auto; }
      .modal-text-actions .button--primary { width: 100%; }

      .toast {
        right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom));
        max-width: calc(100vw - 24px);
      }
    }

    @media (max-width: 350px) {
      .container { width: min(calc(100% - 24px), var(--container)); }
      .hero h1 { font-size: 2.28rem; }
      .hero .lead { font-size: 0.95rem; }
      .quick-guide-row { grid-template-columns: 32px minmax(0, 1fr) auto; }
      .quick-kit-row { grid-template-columns: 28px minmax(0, 1fr) auto; }
      .quick-guide-action,
      .quick-kit-action { font-size: 0.6rem; }
      .text-modal-header { padding-inline: 14px 54px; }
      .text-modal-heading h2 { font-size: 1.46rem; }
      .pdf-cta-nudge { min-width: 48px; max-width: 70px; }
      .text-modal-header-actions.has-pdf-nudge .button { padding-inline: 10px; font-size: 0.76rem; }
      .theme-tab { width: 174px; flex-basis: 174px; }
      .theme-workspace { padding-inline: 14px; }
    }

  

    /* UX revision 10 — mobile input comfort and resilient PDF controls */
    [data-pdf-open] {
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

    @media (max-width: 760px) {
      .modal-textarea,
      .modal-text-card--compact .modal-textarea,
      .kit-search input {
        font-size: 16px;
      }

      .text-modal-dialog,
      .text-modal-body,
      .theme-workspace {
        min-height: 0;
      }

      .text-modal-header-actions [data-pdf-open] {
        min-height: 44px;
      }
    }

    @media (orientation: landscape) and (max-height: 560px) and (max-width: 920px) {
      .text-modal-header {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 14px;
        padding: 10px 54px 10px 16px;
      }
      .text-modal-heading p { display: none; }
      .text-modal-header-actions,
      .text-modal-header-actions.has-pdf-nudge {
        width: auto;
        margin: 0;
      }
      .pdf-cta-nudge { display: none; }
      .theme-rail { padding-block: 7px; }
      .theme-tab { min-height: 52px; }
      .theme-workspace { padding-top: 14px; }
    }


    @supports not (background: conic-gradient(from 1deg, red, transparent)) {
      .hero .hero-panel--quick::before {
        top: 0;
        right: auto;
        bottom: auto;
        left: 22px;
        width: 84px;
        height: 2px;
        padding: 0;
        border-radius: 999px;
        background: linear-gradient(90deg, #FF5A5F, rgba(255,90,95,0));
        -webkit-mask: none;
        mask: none;
        animation: none;
      }
    }

/* UX revision 13 — guide tutorial, difficulty filters and living hero helix */
.kit-picker-toolbar {
  align-items: flex-start;
}

.kit-filter-stack {
  display: grid;
  min-width: min(100%, 590px);
  flex: 1 1 590px;
  gap: 9px;
}

.kit-filter-set {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.kit-filter-label {
  min-width: 84px;
  color: var(--grey-700);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
}

.kit-filter-group--difficulty .kit-filter-button[data-kit-difficulty="easy"][aria-pressed="true"] {
  border-color: #397D2B;
  background: #397D2B;
}

.kit-filter-group--difficulty .kit-filter-button[data-kit-difficulty="intermediate"][aria-pressed="true"] {
  border-color: #365DA8;
  background: #365DA8;
}

.kit-filter-group--difficulty .kit-filter-button[data-kit-difficulty="technical"][aria-pressed="true"] {
  border-color: var(--sp-red);
  background: var(--sp-red);
}

.kit-picker-level {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  min-height: 27px;
  margin-bottom: 10px;
  padding: 4px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.045em;
  line-height: 1;
  text-transform: uppercase;
}

.kit-picker-level::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  box-shadow: 0 0 0 4px currentColor;
  opacity: 0.8;
  transform: scale(0.42);
}

.kit-picker-level--easy {
  border-color: rgba(79,158,52,0.2);
  background: rgba(79,158,52,0.1);
  color: #397D2B;
}

.kit-picker-level--intermediate {
  border-color: rgba(54,93,168,0.2);
  background: rgba(54,93,168,0.1);
  color: #365DA8;
}

.kit-picker-level--technical {
  border-color: rgba(227,14,19,0.2);
  background: rgba(227,14,19,0.08);
  color: #B90B0F;
}

.kit-picker-card--upcoming .kit-picker-level {
  color: var(--grey-700);
  filter: grayscale(0.7);
  opacity: 0.82;
}

.text-modal.is-guide-mode .text-modal-dialog {
  grid-template-rows: auto auto minmax(0, 1fr);
  border-color: rgba(227,14,19,0.25);
  box-shadow: 0 42px 130px rgba(0,0,0,0.48), 0 0 0 1px rgba(227,14,19,0.08);
}

.text-modal.is-guide-mode .text-modal-header {
  border-bottom-color: rgba(255,255,255,0.1);
  background:
    radial-gradient(circle at 82% 10%, rgba(227,14,19,0.34), transparent 34%),
    linear-gradient(120deg, #151515 0%, #1D1D1D 62%, #321112 100%);
  color: var(--white);
}

.text-modal.is-guide-mode .text-modal-kicker { color: #FF5B60; }
.text-modal.is-guide-mode .text-modal-heading p { color: rgba(255,255,255,0.7); }
.text-modal.is-guide-mode .text-modal-close {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.09);
  color: var(--white);
  backdrop-filter: blur(8px);
}
.text-modal.is-guide-mode .text-modal-close:hover { background: rgba(255,255,255,0.16); }
.text-modal.is-guide-mode .text-modal-header-actions .button--outline {
  border-color: rgba(255,255,255,0.36);
  background: var(--white);
  color: var(--ink);
}

.guide-tutorial[hidden] { display: none !important; }

.guide-tutorial {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) minmax(0, 2.35fr);
  gap: 22px;
  align-items: center;
  padding: 17px 26px 15px;
  border-bottom: 1px solid rgba(227,14,19,0.12);
  background:
    linear-gradient(90deg, rgba(227,14,19,0.045), transparent 28%),
    #FBFAFA;
}

.guide-tutorial::before {
  position: absolute;
  top: 0;
  left: 26px;
  width: 90px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sp-red), rgba(227,14,19,0));
  content: "";
}

.guide-tutorial-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
  color: var(--sp-red);
  font-size: 0.68rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.guide-tutorial-kicker::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sp-red);
  content: "";
  box-shadow: 0 0 0 5px rgba(227,14,19,0.09);
}

.guide-tutorial-intro h3 {
  margin: 0;
  font-size: clamp(1.02rem, 1.6vw, 1.32rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.guide-tutorial-intro p {
  margin: 7px 0 0;
  color: var(--grey-700);
  font-size: 0.79rem;
  line-height: 1.45;
}

.guide-tutorial-track { min-width: 0; }

.guide-tutorial-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-tutorial-step {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 82px;
  grid-template-columns: 35px minmax(0, 1fr);
  gap: 7px 9px;
  align-content: center;
  padding: 10px 12px;
  border: 1px solid rgba(29,29,29,0.1);
  border-radius: 15px;
  background: rgba(255,255,255,0.86);
  box-shadow: 0 6px 18px rgba(29,29,29,0.035);
  transition: border-color var(--ease), background var(--ease), box-shadow var(--ease), transform var(--ease);
}

.guide-tutorial-step.is-current {
  border-color: rgba(227,14,19,0.42);
  background: #FFF8F8;
  box-shadow: 0 9px 24px rgba(227,14,19,0.1);
  transform: translateY(-1px);
}

.guide-tutorial-step.is-complete {
  border-color: rgba(79,158,52,0.24);
  background: rgba(79,158,52,0.045);
}

.guide-tutorial-number {
  position: absolute;
  top: 7px;
  right: 8px;
  color: var(--grey-500);
  font-size: 0.62rem;
  font-weight: 950;
}

.guide-tutorial-icon {
  display: grid;
  width: 35px;
  height: 35px;
  grid-row: 1 / span 2;
  place-items: center;
  border-radius: 10px;
  background: #FFF1F1;
  color: var(--sp-red);
  box-shadow: inset 0 0 0 1px rgba(227,14,19,0.13);
}

.guide-tutorial-icon svg { width: 25px; height: 25px; }
.guide-tutorial-step.is-complete .guide-tutorial-icon {
  background: rgba(79,158,52,0.1);
  color: #397D2B;
  box-shadow: inset 0 0 0 1px rgba(79,158,52,0.16);
}

.guide-tutorial-step-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
  align-self: center;
}

.guide-tutorial-step-copy strong { font-size: 0.78rem; line-height: 1.12; }
.guide-tutorial-step-copy span { color: var(--grey-700); font-size: 0.67rem; line-height: 1.25; }

.guide-tutorial-flow {
  position: absolute;
  z-index: 3;
  top: 50%;
  right: -18px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: #FBFAFA;
  color: var(--sp-red);
  transform: translateY(-50%);
}

.guide-tutorial-flow .icon { width: 16px; height: 16px; animation: guide-flow-drift 2.8s cubic-bezier(.45,0,.2,1) infinite; }
.guide-tutorial-step:last-child .guide-tutorial-flow { display: none; }

.guide-tutorial-tip {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 800;
}

.guide-tutorial-tip .icon {
  width: 15px;
  height: 15px;
  color: var(--sp-red);
  transform: rotate(90deg);
  animation: guide-tip-drift 2.6s ease-in-out infinite;
}

@keyframes guide-flow-drift {
  0%, 100% { transform: translateX(0); opacity: 0.62; }
  50% { transform: translateX(3px); opacity: 1; }
}

@keyframes guide-tip-drift {
  0%, 100% { transform: rotate(90deg) translateX(0); }
  50% { transform: rotate(90deg) translateX(3px); }
}

.text-modal.is-guide-mode .theme-rail {
  background: linear-gradient(180deg, #F8F2F2 0%, #F4F3F3 100%);
}

.text-modal.is-guide-mode .theme-tab[aria-selected="true"] {
  border-color: rgba(227,14,19,0.25);
  box-shadow: 0 8px 24px rgba(227,14,19,0.08);
}

.modal-text-card--guide-example {
  position: relative;
  overflow: hidden;
  border-color: rgba(227,14,19,0.2);
  background: linear-gradient(180deg, #FFFFFF 0%, #FFFCFC 100%);
}

.modal-text-card--guide-example::before {
  position: absolute;
  top: 0;
  right: 22px;
  left: 22px;
  height: 3px;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, rgba(227,14,19,0), var(--sp-red), rgba(227,14,19,0));
  content: "";
}

.guide-example-helper {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: -2px 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 720;
}

.guide-example-helper::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--sp-red);
  content: "";
  box-shadow: 0 0 0 4px rgba(227,14,19,0.08);
}

/* The parent keeps the scroll-driven transform; the SVG adds a slow ambient rotation. */
.hero-helix {
  right: clamp(-340px, -15vw, -165px);
  width: clamp(650px, 54vw, 920px);
  opacity: 0.72;
  filter: drop-shadow(0 38px 84px rgba(227,14,19,0.3));
}

.hero-helix::after {
  background: radial-gradient(circle, rgba(227,14,19,0.23), transparent 69%);
}

.hero-helix svg {
  transform-origin: 50% 50%;
  animation: hero-helix-idle-spin 64s linear infinite;
}

@keyframes hero-helix-idle-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 1080px) {
  .kit-picker-toolbar { flex-direction: column; }
  .kit-search { width: 100%; max-width: none; }
  .kit-filter-stack { width: 100%; min-width: 0; }
  .kit-filter-set { justify-content: space-between; }
  .hero-helix { right: -320px; width: 790px; }
}

@media (max-width: 900px) {
  .hero-helix { right: -350px; width: 820px; }
}

@media (max-width: 760px) {
  .guide-tutorial {
    grid-template-columns: 1fr;
    gap: 9px;
    padding: 13px 14px 11px;
  }

  .guide-tutorial::before { left: 14px; width: 64px; }
  .guide-tutorial-intro { padding-right: 4px; }
  .guide-tutorial-intro h3 { font-size: 1.02rem; }
  .guide-tutorial-intro p { margin-top: 4px; font-size: 0.74rem; line-height: 1.38; }
  .guide-tutorial-kicker { margin-bottom: 3px; font-size: 0.62rem; }

  .guide-tutorial-steps {
    display: flex;
    overflow-x: auto;
    gap: 9px;
    padding: 1px 3px 5px;
    scroll-padding-inline: 3px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .guide-tutorial-steps::-webkit-scrollbar { display: none; }

  .guide-tutorial-step {
    min-width: 184px;
    min-height: 72px;
    flex: 0 0 184px;
    padding: 9px 10px;
    scroll-snap-align: start;
  }

  .guide-tutorial-flow { right: -17px; }
  .guide-tutorial-tip { justify-content: flex-start; margin-top: 3px; font-size: 0.66rem; }

  .text-modal.is-guide-mode .text-modal-header {
    background:
      radial-gradient(circle at 88% 8%, rgba(227,14,19,0.28), transparent 36%),
      linear-gradient(125deg, #151515 0%, #231010 100%);
  }

  .kit-filter-set {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .kit-filter-label { min-width: 0; padding-left: 2px; text-align: left; }
  .kit-filter-set .kit-filter-group {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 1px 1px 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .kit-filter-set .kit-filter-group::-webkit-scrollbar { display: none; }
  .kit-filter-set .kit-filter-button { flex: 0 0 auto; white-space: nowrap; }
}

@media (max-width: 620px) {
  .hero-helix { top: 67%; right: -420px; width: 820px; }
}

@media (max-width: 480px) {
  .text-modal.is-guide-mode .text-modal-header { padding-bottom: 13px; }
  .guide-tutorial-step-copy strong { font-size: 0.75rem; }
  .guide-tutorial-step-copy span { font-size: 0.64rem; }
  .modal-text-card--guide-example::before { right: 14px; left: 14px; }
  .guide-example-helper { font-size: 0.72rem; line-height: 1.35; }
}

@media (orientation: landscape) and (max-height: 560px) and (max-width: 920px) {
  .guide-tutorial {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 10px;
    padding-block: 8px;
  }
  .guide-tutorial-intro p,
  .guide-tutorial-tip { display: none; }
  .guide-tutorial-step { min-height: 58px; }
}

@media (prefers-reduced-motion: reduce) {
  .guide-tutorial-flow .icon,
  .guide-tutorial-tip .icon,
  .hero-helix svg { animation: none !important; }
  .guide-tutorial-step { transition: none; }
}


/* Keep horizontally scrollable filter rows inside the mobile viewport. */
@media (max-width: 760px) {
  .kit-picker-toolbar,
  .kit-filter-stack,
  .kit-filter-set,
  .kit-filter-set .kit-filter-group {
    min-width: 0;
    max-width: 100%;
  }

  .kit-filter-set { width: 100%; }
  .kit-filter-set .kit-filter-group { width: 100%; }
}