:root {
      --bg: #ffffff;
      --bg-2: #f7f7f7;
      --bg-3: #efefef;
      --surface: #ffffff;
      --border: #e2e2e2;
      --border-2: #c4c4c4;
      --text: #0a0a0a;
      --text-2: #525252;
      --text-3: #6a6a6a;
      --green: #FF5F15;
      --green-hover: #db5314;
      --green-pale: rgb(255, 95, 21, 0.08);
      --green-text: #FF5F15;
      --code-bg: #f1f1f1;
      --code-border: #cdcdcd;
      --t: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
      --ff-display: 'Newsreader', Georgia, serif;
      --ff-body: 'Inter', system-ui, sans-serif;
      --ff-mono: 'JetBrains Mono', monospace;
      --nav-bg: rgba(255, 255, 255, 0.75);
    }

    [data-theme="dark"] {
      --bg: rgb(8, 8, 8);
      --bg-2: #111111;
      --bg-3: #1c1c1c;
      --surface: #0f0f0f;
      --border: #1e1e1e;
      --border-2: #303030;
      --text: #f0f0f0;
      --text-2: #888888;
      --text-3: #444444;
      --green: #FF5F15;
      --green-hover: #db5314;
      --green-pale: rgb(255, 95, 21, 0.08);
      --green-text: #FF5F15;
      --code-bg: #050505;
      --code-border: #161616;
      --nav-bg: rgba(8, 8, 8, 0.75);
    }

    /* ─── Reset ───────────────────────────────────────────────────── */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--ff-body);
      background: var(--bg);
      color: var(--text);
      font-size: 15px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      transition: background var(--t), color var(--t);
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
      font-family: inherit;
    }

    input,
    select,
    textarea {
      font-family: inherit;
    }

    ::selection {
      background: var(--green);
      color: #fff;
    }

    /* ─── Nav ─────────────────────────────────────────────────────── */
    #nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      height: 56px;
      border-bottom: 1px solid var(--border);
      background: var(--nav-bg);
      display: flex;
      align-items: center;
      transition: background var(--t), border-color var(--t);
      backdrop-filter: url('#wave-filter');
    }

    .nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      width: 100%;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      font-family: var(--ff-display);
      font-size: 24px;
      letter-spacing: -0.3px;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 7px;
    }

    .nav-logo-mark {
      width: 26px;
      height: 26px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: baseline;
    }

    .nav-logo-mark svg {
      width: 26px;
      height: 26px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }

    @media (max-width: 640px) {
      .nav-links {
        display: none;
      }
    }

    .nav-links a {
      font-size: 13.5px;
      font-weight: 400;
      color: var(--text-2);
      transition: color var(--t);
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .nav-links a.ext::after {
      content: ' ↗';
      font-size: 11px;
      opacity: 0.6;
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-version {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: var(--text-3);
      letter-spacing: 0.02em;
    }

    .theme-btn {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background: var(--bg-2);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-2);
      transition: all var(--t);
    }

    .theme-btn:hover {
      border-color: var(--border-2);
      color: var(--text);
    }

    .theme-btn svg {
      width: 15px;
      height: 15px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.8;
      stroke-linecap: round;
    }

    .nav-mobile-btn {
      display: none;
      width: 32px;
      height: 32px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--bg-2);
      color: var(--text-2);
    }

    @media (max-width: 640px) {
      .nav-mobile-btn {
        display: flex;
      }
    }

    .nav-mobile-btn svg {
      width: 16px;
      height: 16px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.8;
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 56px;
      left: 0;
      right: 0;
      z-index: 99;
      background: var(--bg);
      border-bottom: 1px solid var(--border);
      padding: 16px 24px;
      flex-direction: column;
      gap: 0;
    }

    .mobile-menu.open {
      display: flex;
    }

    .mobile-menu a {
      font-size: 14px;
      color: var(--text-2);
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
      transition: color var(--t);
    }

    .mobile-menu a:last-child {
      border: none;
    }

    .mobile-menu a:hover {
      color: var(--text);
    }

    /* ─── Sections shared ─────────────────────────────────────────── */
    .section {
      padding: 96px 24px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-label {
      font-family: var(--ff-mono);
      font-size: 11px;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--text-3);
      margin-bottom: 20px;
    }

    .section-title {
      font-family: var(--ff-display);
      font-style: italic;
      font-weight: 400;
      font-size: clamp(2.2rem, 5vw, 3.5rem);
      line-height: 1.1;
      letter-spacing: -0.02em;
      color: var(--text);
      margin-bottom: 16px;
    }

    .section-sub {
      font-size: 15px;
      color: var(--text-2);
      max-width: 480px;
      line-height: 1.75;
    }

    .section-head {
      margin-bottom: 56px;
    }

    .divider {
      width: 100%;
      height: 1px;
      background: var(--border);
    }

    /* ─── Reveal ──────────────────────────────────────────────────── */
    .reveal {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }

    .reveal.in {
      opacity: 1;
      transform: none;
    }

    .reveal.d1 {
      transition-delay: 0.08s;
    }

    .reveal.d2 {
      transition-delay: 0.16s;
    }

    .reveal.d3 {
      transition-delay: 0.24s;
    }

    .reveal.d4 {
      transition-delay: 0.32s;
    }

    /* ─── Hero ────────────────────────────────────────────────────── */
    #hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 0 24px 80px;
      max-width: 1200px;
      margin: 0 auto;
      border-right: 1px solid var(--border);
      border-left: 1px solid var(--border);
    }

    /* Full-bleed side borders */
    #hero-wrap {
      border-left: 1px solid var(--border);
      border-right: 1px solid var(--border);
    }

    @media (max-width: 900px) {
      #hero-wrap {
        border: none;
      }
    }

    .hero-eyebrow {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      color: var(--text-3);
      letter-spacing: 0.08em;
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .hero-eyebrow-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--green);
      animation: pulse 2.4s ease-in-out infinite;
    }

    @keyframes pulse {

      0%,
      100% {
        opacity: 1
      }

      50% {
        opacity: 0.3
      }
    }

    .hero-h1 {
      font-family: var(--ff-display);
      font-style: italic;
      font-weight: 300;
      font-size: clamp(4.5rem, 13vw, 10.5rem);
      line-height: 0.93;
      letter-spacing: -0.03em;
      color: var(--text);
      margin-bottom: 40px;
    }

    .hero-row {
      display: flex;
      align-items: flex-start;
      gap: 48px;
      flex-wrap: wrap;
      padding-top: 16px;
      padding-bottom: 16px;
      border-top: 1px solid var(--border);
    }

    .hero-desc {
      font-size: 15px;
      color: var(--text-2);
      max-width: 380px;
      line-height: 1.75;
      flex: 1;
      min-width: 240px;
    }

    .hero-actions {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex-shrink: 0;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-green {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 18px;
      background: var(--green);
      color: #fff;
      font-size: 14px;
      font-weight: 500;
      border-radius: 6px;
      border: 1px solid transparent;
      transition: all var(--t);
      font-family: var(--ff-display);
      font-style: italic;
      font-weight: 500;
      text-align: center;
    }

    .btn-green:hover {
      background: var(--green-hover);
      transform: translateY(-1px);
    }

    .btn-green:active {
      transform: scale(0.98);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 18px;
      background: transparent;
      color: var(--text);
      font-size: 13.5px;
      font-weight: 400;
      border-radius: 6px;
      border: 1px solid var(--border);
      transition: all var(--t);
    }

    .btn-outline:hover {
      border-color: var(--border-2);
      background: var(--bg-2);
      transform: translateY(-1px);
    }

    .btn-outline:active {
      transform: scale(0.98);
    }

    .hero-cmd {
      font-family: var(--ff-mono);
      font-size: 14px;
      color: var(--text-2);
      letter-spacing: 0.01em;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-cmd-copy {
      font-size: 10px;
      color: var(--text-3);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 2px 6px;
      cursor: pointer;
      transition: all var(--t);
    }

    .hero-cmd-copy:hover {
      color: var(--text-2);
      border-color: var(--border-2);
    }

    /* ─── Features (Three pillars) ────────────────────────────────── */
    #features {
      border-top: 1px solid var(--border);
    }

    .pillars {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border: 1px solid var(--border);
      border-radius: 8px 8px 0 0;
    }

    @media (max-width: 768px) {
      .pillars {
        grid-template-columns: 1fr;
      }
    }

    .pillar {
      padding: 40px 36px;
      border-right: 1px solid var(--border);
      transition: background var(--t);
    }

    .pillar:last-child {
      border-right: none;
    }

    @media (max-width: 768px) {
      .pillar {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }

      .pillar:last-child {
        border-bottom: none;
      }
    }

    .pillar:hover {
      background: var(--bg-2);
    }

    .pillar-num {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: var(--green-text);
      letter-spacing: 0.1em;
      margin-bottom: 24px;
    }

    .pillar-title {
      font-size: 19px;
      font-weight: 600;
      letter-spacing: -0.3px;
      margin-bottom: 10px;
      color: var(--text);
    }

    .pillar-desc {
      font-size: 13.5px;
      color: var(--text-2);
      line-height: 1.7;
    }

    .pillar-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 20px;
    }

    .ptag {
      font-family: var(--ff-mono);
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      background: var(--bg-3);
      color: var(--text-3);
      border: 1px solid var(--border);
    }

    /* Feature grid below pillars */
    .feat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border: 1px solid var(--border);
      border-top: none;
      border-radius: 0 0 8px 8px;
    }

    @media (max-width: 768px) {
      .feat-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 480px) {
      .feat-grid {
        grid-template-columns: 1fr;
      }
    }

    .feat-item {
      padding: 28px 30px;
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      transition: background var(--t);
    }

    .feat-item:hover {
      background: var(--bg-2);
    }

    .feat-item:nth-child(3n) {
      border-right: none;
    }

    @media (max-width: 768px) {
      .feat-item:nth-child(2n) {
        border-right: none;
      }

      .feat-item:nth-child(3n) {
        border-right: 1px solid var(--border);
      }
    }

    @media (max-width: 480px) {
      .feat-item {
        border-right: none;
      }
    }

    .feat-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
    }

    .feat-desc {
      font-size: 12.5px;
      color: var(--text-2);
      line-height: 1.65;
    }

    .feat-cls {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      color: var(--green-text);
      margin-top: 8px;
    }

    /* ─── Code Showcase ───────────────────────────────────────────── */
    #code {
      border-top: 1px solid var(--border);
    }

    .code-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }

    @media (max-width: 860px) {
      .code-layout {
        grid-template-columns: 1fr;
      }
    }

    .code-tabs {
      display: flex;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      margin-bottom: 16px;
      width: fit-content;
    }

    .ctab {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      padding: 7px 14px;
      color: var(--text-3);
      border-right: 1px solid var(--border);
      background: var(--bg-2);
      transition: all var(--t);
    }

    .ctab:last-child {
      border-right: none;
    }

    .ctab.active {
      background: var(--bg);
      color: var(--text);
    }

    .ctab:hover:not(.active) {
      color: var(--text-2);
    }

    .code-frame {
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--code-border);
      background: var(--code-bg);
    }

    .code-bar {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 10px 14px;
      border-bottom: 1px solid var(--code-border);
    }

    .cdot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .cdot-r {
      background: #ff5f57;
    }

    .cdot-y {
      background: #ffbd2e;
    }

    .cdot-g {
      background: #28ca41;
    }

    .code-fn {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: #444;
      margin-left: 6px;
    }

    .code-body {
      padding: 20px;
      font-family: var(--ff-mono);
      font-size: 13px;
      line-height: 1.85;
      color: #888;
      overflow-x: auto;
      display: none;
    }

    .code-body.active {
      display: block;
    }

    .ct {
      color: #5c9ee5;
    }

    /* tag */
    .ca {
      color: #a78bfa;
    }

    /* attr */
    .cs {
      color: var(--green);
    }

    /* string / value */
    .cc {
      color: #444;
      font-style: italic;
    }

    /* comment */
    .ck {
      color: #e879f9;
    }

    /* keyword */
    .cn {
      color: #fb923c;
    }

    /* number */

    /* Right side info */
    .code-info {
      padding-top: 8px;
    }

    .code-info-title {
      font-size: 20px;
      font-weight: 600;
      letter-spacing: -0.3px;
      margin-bottom: 10px;
      color: var(--text);
    }

    .code-info-desc {
      font-size: 13.5px;
      color: var(--text-2);
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .code-facts {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .code-fact {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 13px;
      color: var(--text-2);
    }

    .code-fact-icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      margin-top: 1px;
      color: var(--green-text);
    }

    .code-fact-icon svg {
      width: 100%;
      height: 100%;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.75;
      stroke-linecap: round;
    }

    .code-fact strong {
      color: var(--text);
      font-weight: 500;
    }

    /* ─── Playground ──────────────────────────────────────────────── */
    #playground {
      border-top: 1px solid var(--border);
    }

    .pg-tabs-row {
      display: flex;
      align-items: center;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      width: fit-content;
      margin-bottom: 32px;
    }

    .pg-tab-btn {
      font-family: var(--ff-mono);
      font-size: 12px;
      padding: 9px 18px;
      color: var(--text-3);
      background: var(--bg-2);
      border-right: 1px solid var(--border);
      transition: all var(--t);
    }

    .pg-tab-btn:last-child {
      border-right: none;
    }

    .pg-tab-btn.active {
      background: var(--bg);
      color: var(--text);
    }

    .pg-tab-btn:hover:not(.active) {
      color: var(--text-2);
    }

    .pg-panel {
      display: none;
    }

    .pg-panel.active {
      display: block;
    }

    /* Sandbox */
    .sandbox-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      min-height: 520px;
    }

    @media (max-width: 860px) {
      .sandbox-layout {
        grid-template-columns: 1fr;
        min-height: unset;
      }
    }

    .sb-left {
      border-right: 1px solid var(--border);
      overflow-y: auto;
      max-height: 520px;
    }

    .sb-left::-webkit-scrollbar {
      width: 4px;
    }

    .sb-left::-webkit-scrollbar-thumb {
      background: var(--border-2);
      border-radius: 4px;
    }

    .sb-cat {
      border-bottom: 1px solid var(--border);
    }

    .sb-cat-hdr {
      font-family: var(--ff-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-3);
      padding: 10px 16px 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
      transition: color var(--t);
    }

    .sb-cat-hdr:hover {
      color: var(--text-2);
    }

    .sb-cat-hdr svg {
      width: 12px;
      height: 12px;
      stroke: currentColor;
      fill: none;
      stroke-width: 2;
      transition: transform var(--t);
    }

    .sb-cat-hdr.collapsed svg {
      transform: rotate(-90deg);
    }

    .sb-cat-body {
      padding: 8px 12px 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
    }

    .sb-cat.collapsed .sb-cat-body {
      display: none;
    }

    .sb-chip {
      font-family: var(--ff-mono);
      font-size: 11px;
      padding: 4px 9px;
      border-radius: 4px;
      border: 1px solid var(--border);
      background: var(--bg-2);
      color: var(--text-3);
      cursor: pointer;
      transition: all var(--t);
      user-select: none;
    }

    .sb-chip:hover {
      border-color: var(--border-2);
      color: var(--text-2);
    }

    .sb-chip.on {
      background: var(--green-pale);
      border-color: var(--green);
      color: var(--green-text);
    }

    .sb-right {
      display: flex;
      flex-direction: column;
    }

    .sb-right-top {
      padding: 12px 16px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
    }

    .sb-label {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: var(--text-3);
      letter-spacing: 0.05em;
    }

    .sb-actions {
      display: flex;
      gap: 8px;
    }

    .sb-btn {
      font-family: var(--ff-mono);
      font-size: 11px;
      padding: 5px 10px;
      border-radius: 4px;
      border: 1px solid var(--border);
      background: var(--bg-2);
      color: var(--text-2);
      transition: all var(--t);
    }

    .sb-btn:hover {
      border-color: var(--border-2);
      color: var(--text);
    }

    .sb-btn.green {
      border-color: var(--green);
      color: var(--green-text);
      background: var(--green-pale);
    }

    .sb-btn.green:hover {
      background: var(--green);
      color: #fff;
    }

    /* Preset selector */
    .sb-presets {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      padding: 10px 16px;
      border-bottom: 1px solid var(--border);
    }

    .sb-preset {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid var(--border);
      background: var(--bg-2);
      color: var(--text-3);
      cursor: pointer;
      transition: all var(--t);
    }

    .sb-preset:hover {
      color: var(--text-2);
      border-color: var(--border-2);
    }

    .sb-preset.active {
      background: var(--bg-3);
      color: var(--text);
      border-color: var(--border-2);
    }

    .sb-preview-wrap {
      flex: 1;
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-2);
      position: relative;
      overflow: auto;
      min-height: 200px;
    }

    /* The actual Jetflow-powered element being previewed */
    #sb-el {
      transition: all 0.2s ease;
      position: relative;
    }

    .sb-child {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 10px 14px;
      font-size: 13px;
      color: var(--text-2);
      min-width: 60px;
      text-align: center;
      white-space: nowrap;
    }

    .sb-output-wrap {
      border-top: 1px solid var(--border);
      padding: 12px 16px;
      background: var(--code-bg);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .sb-output-code {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      color: var(--green-text);
      flex: 1;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sb-copy-btn {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      padding: 4px 10px;
      border-radius: 3px;
      border: 1px solid var(--code-border);
      color: var(--text-3);
      background: var(--code-bg);
      flex-shrink: 0;
      transition: all var(--t);
    }

    .sb-copy-btn:hover {
      color: var(--green-text);
      border-color: var(--green);
    }

    /* ─── Responsive Preview ──────────────────────────────────────── */
    .resp-controls {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .resp-btn {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      padding: 7px 14px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background: var(--bg-2);
      color: var(--text-3);
      transition: all var(--t);
      cursor: pointer;
    }

    .resp-btn:hover {
      color: var(--text-2);
      border-color: var(--border-2);
    }

    .resp-btn.active {
      background: var(--bg);
      color: var(--text);
      border-color: var(--border-2);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .resp-size-display {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: var(--text-3);
      padding: 0 4px;
    }

    .resp-bp-indicator {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      padding: 4px 10px;
      border-radius: 4px;
      background: var(--green-pale);
      color: var(--green-text);
      border: 1px solid var(--green);
    }

    .resp-outer {
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      background: var(--bg-2);
      padding: 24px;
    }

    .resp-chrome {
      border: 1px solid var(--border-2);
      border-radius: 8px;
      overflow: hidden;
      background: var(--bg);
      transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      margin: 0 auto;
    }

    .resp-url-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
    }

    .resp-url-dots {
      display: flex;
      gap: 4px;
    }

    .resp-url-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--border-2);
    }

    .resp-url-input {
      flex: 1;
      font-family: var(--ff-mono);
      font-size: 10px;
      background: var(--bg-3);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 3px 8px;
      color: var(--text-3);
      pointer-events: none;
    }

    .resp-content {
      overflow: hidden;
      transition: all 0.3s ease;
    }

    /* The sample layout inside the responsive preview */
    .sample-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 20px;
      border-bottom: 1px solid var(--border);
      background: var(--bg);
    }

    .sample-nav-logo {
      font-weight: 700;
      font-size: 14px;
      color: var(--text);
    }

    .sample-nav-links {
      display: flex;
      gap: 16px;
    }

    .sample-nav-link {
      font-size: 11px;
      color: var(--text-2);
    }

    .sample-nav-cta {
      font-size: 11px;
      font-weight: 500;
      padding: 5px 12px;
      border-radius: 4px;
      background: var(--green);
      color: #fff;
      border: none;
      cursor: pointer;
    }

    .sample-hero {
      padding: 32px 20px 24px;
      background: var(--bg);
    }

    .sample-h {
      font-family: var(--ff-display);
      font-style: italic;
      font-size: clamp(20px, 4vw, 36px);
      font-weight: 400;
      line-height: 1.1;
      color: var(--text);
      margin-bottom: 10px;
    }

    .sample-p {
      font-size: 12px;
      color: var(--text-2);
      margin-bottom: 16px;
      line-height: 1.6;
    }

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

    .sample-btn-g {
      font-size: 11px;
      font-weight: 500;
      padding: 7px 14px;
      background: var(--green);
      color: #fff;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }

    .sample-btn-o {
      font-size: 11px;
      padding: 7px 14px;
      background: transparent;
      color: var(--text-2);
      border: 1px solid var(--border);
      border-radius: 4px;
      cursor: pointer;
    }

    .sample-cards {
      display: grid;
      gap: 12px;
      padding: 20px;
      background: var(--bg-2);
    }

    .sample-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 14px;
    }

    .sample-card-t {
      font-size: 12px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
    }

    .sample-card-d {
      font-size: 11px;
      color: var(--text-2);
      line-height: 1.5;
    }

    .sample-footer {
      padding: 12px 20px;
      border-top: 1px solid var(--border);
      font-size: 10.5px;
      color: var(--text-3);
      display: flex;
      justify-content: space-between;
      background: var(--bg);
    }

    /* ─── Comparison ──────────────────────────────────────────────── */
    #compare {
      border-top: 1px solid var(--border);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
    }

    @media (max-width: 700px) {
      .compare-grid {
        grid-template-columns: 1fr;
      }
    }

    .compare-col {}

    .compare-col:first-child {
      border-right: 1px solid var(--border);
    }

    @media (max-width: 700px) {
      .compare-col:first-child {
        border-right: none;
        border-bottom: 1px solid var(--border);
      }
    }

    .compare-hdr {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 18px;
      background: var(--bg-2);
      border-bottom: 1px solid var(--border);
    }

    .compare-badge {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      font-weight: 500;
      padding: 3px 8px;
      border-radius: 3px;
    }

    .badge-red {
      background: rgba(239, 68, 68, 0.08);
      color: #ef4444;
      border: 1px solid rgba(239, 68, 68, 0.15);
    }

    .badge-grn {
      background: var(--green-pale);
      color: var(--green-text);
      border: 1px solid var(--green);
    }

    .compare-hdr-label {
      font-size: 12px;
      color: var(--text-2);
    }

    .compare-code {
      padding: 18px 20px;
      font-family: var(--ff-mono);
      font-size: 12px;
      line-height: 1.85;
      color: #888;
      background: var(--code-bg);
      overflow-x: auto;
      min-height: 200px;
    }

    .compare-metrics {
      padding: 0 20px;
      background: var(--bg);
    }

    .metric {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 11px 0;
      border-bottom: 1px solid var(--border);
      font-size: 12.5px;
    }

    .metric:last-child {
      border-bottom: none;
    }

    .metric-k {
      color: var(--text-2);
    }

    .metric-v-bad {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      color: #ef4444;
    }

    .metric-v-good {
      font-family: var(--ff-mono);
      font-size: 11.5px;
      color: var(--green-text);
    }

    /* ─── Footer ──────────────────────────────────────────────────── */
    #footer {
      border-top: 1px solid var(--border);
      background: var(--bg-2);
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 56px 24px 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }

    @media (max-width: 700px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    .footer-brand-name {
      font-size: 14px;
      margin-bottom: 10px;
      color: var(--text);
      font-family: var(--ff-display);
    }

    .footer-desc {
      font-size: 13px;
      color: var(--text-2);
      line-height: 1.75;
      max-width: 280px;
    }

    .footer-col-title {
      font-family: var(--ff-mono);
      font-size: 10.5px;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-3);
      margin-bottom: 16px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 13px;
      color: var(--text-2);
      transition: color var(--t);
    }

    .footer-links a:hover {
      color: var(--text);
    }

    .footer-links a.ext::after {
      content: ' ↗';
      font-size: 10px;
      opacity: 0.6;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 24px;
      border-top: 1px solid var(--border);
    }

    .footer-copy {
      font-family: var(--ff-mono);
      font-size: 11px;
      color: var(--text-3);
    }

    .footer-copy span {
      color: var(--green-text);
    }

    .footer-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    /* ─── Toast ───────────────────────────────────────────────────── */
    #toast {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%) translateY(80px);
      background: var(--text);
      color: var(--bg);
      font-family: var(--ff-mono);
      font-size: 12px;
      padding: 9px 18px;
      border-radius: 6px;
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
      opacity: 0;
      z-index: 999;
      pointer-events: none;
      white-space: nowrap;
    }

    #toast.show {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }

    /* ─── Green CTA bar ───────────────────────────────────────────── */
    #cta-bar {
      border-top: 1px solid var(--border);
      background: var(--bg);
    }

    .cta-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 64px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .cta-text {}

    .cta-title {
      font-family: var(--ff-display);
      font-style: italic;
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 400;
      letter-spacing: -0.02em;
      line-height: 1.1;
      color: var(--text);
      margin-bottom: 8px;
    }

    .cta-sub {
      font-size: 14px;
      color: var(--text-2);
    }

    .cta-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

       .brand-logo-light, 
.brand-logo-dark {
  height: 26px; /* Adjust this to match your desired logo size */
  width: auto;
  object-fit: contain;
}

/* Default (Light Mode): Hide the dark logo */
.brand-logo-dark {
  display: none;
}

/* Dark Mode: Hide the light logo, show the dark logo */
[data-theme="dark"] .brand-logo-light {
  display: none;
}[data-theme="dark"] .brand-logo-dark {
  display: block;
}