/* Stuffolio Shared Styles
 * Single source of truth for all site styling
 * Refactored with CSS layers, reduced !important, and modern features
 */

/* ===== CSS Layers for Organization ===== */
@layer reset, tokens, base, layout, components, utilities, themes;

/* ===== CSS Variables (Tokens) ===== */
@layer tokens {
  :root {
    /* Colors - Dark Mode (default) */
    --bg: #0b1220;
    --card: #111b2e;
    --card-alpha: rgba(17,27,46,.72);
    --muted: #a9b4c7;
    --text: #e7ecf6;
    --line: rgba(255,255,255,.12);
    --accent: #7dd3fc;
    --accent2: #a78bfa;
    --good: #86efac;

    /* Spacing & Layout */
    --radius: 18px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 10px 30px rgba(0,0,0,.35);
    --max: 1040px;

    /* Transitions */
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, rgba(125,211,252,.95), rgba(167,139,250,.95));
    --gradient-bg:
      radial-gradient(1200px 700px at 20% 0%, rgba(125,211,252,.18), transparent 55%),
      radial-gradient(900px 600px at 85% 10%, rgba(167,139,250,.18), transparent 55%);
  }
}

/* ===== Light Mode Theme ===== */
@layer themes {
  html.light-mode {
    --bg: #f5f5f7;
    --card: #ffffff;
    --card-alpha: rgba(255,255,255,.9);
    --muted: #555;
    --text: #1a1a1a;
    --line: rgba(0,0,0,.12);
    --accent: #0066cc;
    --accent2: #7c3aed;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --gradient-primary: linear-gradient(135deg, rgba(0,102,204,.9), rgba(124,58,237,.9));
  }

  html.light-mode body::before {
    opacity: 0;
  }

  html.light-mode .card {
    background: var(--card);
    border-color: var(--line);
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
  }

  @media (hover: hover) {
    html.light-mode .card:hover {
      box-shadow: 0 8px 24px rgba(0,0,0,.1);
    }
  }

  html.light-mode .badge,
  html.light-mode .pill {
    color: var(--muted);
    border-color: var(--line);
  }

  html.light-mode .callout {
    background: rgba(0,102,204,.06);
    border-color: rgba(0,102,204,.3);
    color: var(--muted);
  }

  html.light-mode .btn {
    background: rgba(0,0,0,.04);
    border-color: var(--line);
    color: var(--text);
  }

  html.light-mode .btn.primary {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(0,102,204,.25);
  }

  html.light-mode nav a,
  html.light-mode footer,
  html.light-mode footer a {
    color: #666;
  }

  html.light-mode .theme-toggle {
    background: #fff;
    border-color: var(--line);
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
  }

  html.light-mode .theme-toggle-switch {
    background: rgba(0,0,0,.15);
  }

  html.light-mode .theme-toggle-switch.dark {
    background: var(--accent);
  }

  html.light-mode .modal {
    background: #fff;
    border-color: var(--line);
  }

  html.light-mode .form-group input[type="email"] {
    background: rgba(0,0,0,.04);
    border-color: rgba(0,0,0,.15);
    color: var(--text);
  }

  html.light-mode .checkbox-item span {
    color: var(--text);
  }

  html.light-mode .btn-submit {
    background: var(--gradient-primary);
    color: #fff;
  }

  html.light-mode .platform-tab {
    background: rgba(0,0,0,.04);
    border-color: var(--line);
    color: #666;
  }

  html.light-mode .platform-tab:hover,
  html.light-mode .platform-tab.active {
    border-color: var(--accent);
    color: var(--text);
  }

  html.light-mode .platform-tab.active {
    background: linear-gradient(135deg, rgba(0,102,204,.1), rgba(124,58,237,.1));
  }

  html.light-mode .carousel-nav {
    background: rgba(0,0,0,.05);
    border-color: rgba(0,0,0,.15);
    color: #333;
  }

  html.light-mode .carousel-nav:hover {
    background: rgba(0,0,0,.1);
    border-color: var(--accent);
  }

  html.light-mode .carousel-dot {
    border-color: rgba(0,0,0,.2);
  }

  html.light-mode .carousel-dot.active {
    background: var(--accent);
    border-color: var(--accent);
  }

  html.light-mode .stat-item {
    background: rgba(0,102,204,.06);
    border-color: rgba(0,102,204,.2);
  }

  html.light-mode .use-case {
    background: rgba(0,0,0,.02);
  }

  html.light-mode .download-cta {
    background: var(--gradient-primary);
    color: #fff;
  }

  html.light-mode .download-cta-secondary {
    background: rgba(0,0,0,.04);
    border-color: var(--line);
  }

  html.light-mode .pricing-calc {
    background: rgba(0,102,204,.06);
    border-color: rgba(0,102,204,.2);
  }

  html.light-mode .pricing-result-card {
    background: rgba(0,0,0,.02);
  }

  html.light-mode .pricing-result-card.stuffolio {
    background: rgba(0,102,204,.08);
    border-color: var(--accent);
  }
}

/* ===== Reset ===== */
@layer reset {
  * { box-sizing: border-box; }
}

/* ===== Base Styles ===== */
@layer base {
  /* Accessibility - Focus Styles */
  :focus { outline: none; }
  :focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
  }

  /* Skip to content link */
  .skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 9999;
  }

  .skip-link:focus-visible {
    position: fixed;
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 12px 16px;
    background: var(--card);
    border: 2px solid var(--accent);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
  }

  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    transition: background var(--transition-slow), color var(--transition-slow);
  }

  body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--gradient-bg);
    pointer-events: none;
    z-index: -1;
    opacity: 1;
    transition: opacity var(--transition-slow);
  }

  a { color: inherit; }

  /* Link hover underline (excludes buttons and cards) */
  @media (hover: hover) {
    a:not(.btn):not(.card):not(.site-title):not(.download-cta):not(.download-badge):hover {
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-thickness: 1px;
    }
  }

  /* Typography */
  h1 {
    font-size: 2.8rem;
    line-height: 1.12;
    margin: 10px 0 12px;
  }

  h2 {
    font-size: 1.8rem;
    margin: 0 0 10px;
  }

  h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
  }

  .lead {
    font-size: 1.15rem;
    color: var(--muted);
    margin: 0 0 18px;
  }

  ul {
    margin: 10px 0 0 18px;
    color: var(--muted);
  }

  li { margin: 6px 0; }

  @media (max-width: 520px) {
    h1 { font-size: 2.2rem; }
  }
}

/* ===== Layout ===== */
@layer layout {
  .wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 28px 18px 72px;
  }

  /* Header & Navigation */
  header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0 26px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    backdrop-filter: blur(12px);
    margin: 0 -18px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
  }

  /* Hero Section */
  .hero {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 18px;
    align-items: stretch;
    margin-top: 10px;
  }

  /* Grid Layout */
  .grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  /* Footer */
  footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    font-size: .92rem;
  }

  footer a {
    color: var(--muted);
    text-decoration: none;
  }

  @media (hover: hover) {
    footer a:hover { color: var(--text); }
  }

  @media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 600px) {
    .wrap { padding: 16px 12px 50px; }
  }

  @media (max-width: 520px) {
    .card { padding: 18px 16px; }
  }
}

/* ===== Components ===== */
@layer components {
  /* Site Title */
  .site-title {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.2px;
    padding: 8px 0;
    white-space: nowrap;
  }

  @media (hover: hover) {
    .site-title:hover { color: var(--accent); }
  }

  /* Navigation Links */
  nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.9rem;
    transition: border-color var(--transition), color var(--transition);
  }

  @media (hover: hover) {
    nav a:hover {
      border-color: var(--line);
      color: var(--text);
    }
  }

  nav a[aria-current="page"] {
    color: var(--text);
    font-weight: 600;
    position: relative;
  }

  nav a[aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
  }

  /* Cards */
  .card {
    background: var(--card-alpha);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow:
      var(--shadow),
      inset 0 1px 0 rgba(255,255,255,.05);
    padding: 22px;
    backdrop-filter: blur(10px);
    transition: background var(--transition-slow), border-color var(--transition-slow), transform var(--transition), box-shadow var(--transition);
  }

  @media (hover: hover) {
    .card:hover {
      transform: translateY(-2px);
      box-shadow:
        0 12px 40px rgba(0,0,0,.4),
        inset 0 1px 0 rgba(255,255,255,.05);
    }
  }

  /* Badges & Pills */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: .9rem;
  }

  .badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--good);
  }

  .pill {
    display: inline-block;
    font-size: .85rem;
    color: var(--muted);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    margin-bottom: 10px;
  }

  /* Navigation badge for "NEW" indicator */
  .nav-badge {
    position: relative;
  }
  .nav-badge::after {
    content: "NEW";
    position: absolute;
    top: -8px;
    right: -8px;
    font-size: 0.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #a78bfa, #7dd3fc);
    color: #0b1220;
    padding: 2px 5px;
    border-radius: 4px;
    letter-spacing: 0.3px;
    animation: pulse-badge 2s ease-in-out infinite;
  }
  @keyframes pulse-badge {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.05); }
  }
  .light-mode .nav-badge::after {
    background: linear-gradient(135deg, #7c3aed, #0066cc);
    color: #fff;
  }

  /* Logo Styles */
  .heroLogoRow {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 6px;
  }

  .stuffolioLogo {
    width: 120px;
    height: 120px;
    border-radius: 22px;
    box-shadow: var(--shadow);
    flex: 0 0 auto;
    object-fit: cover;
  }

  @media (max-width: 520px) {
    .stuffolioLogo { width: 78px; height: 78px; border-radius: 20px; }
  }

  /* Buttons */
  .ctaRow {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    text-decoration: none;
    background: rgba(255,255,255,.04);
    color: var(--text);
    font-weight: 600;
    transition: transform var(--transition);
  }

  .btn.primary {
    border-color: transparent;
    background: var(--gradient-primary);
    color: #07101f;
    box-shadow: 0 4px 14px rgba(125,211,252,.3);
  }

  @media (hover: hover) {
    .btn:hover { transform: translateY(-1px); }
  }

  /* Callouts */
  .callout {
    border: 1px dashed rgba(125,211,252,.45);
    background: rgba(125,211,252,.06);
    border-radius: 14px;
    padding: 12px 14px;
    color: var(--muted);
    margin-top: 14px;
  }

  /* Theme Toggle (iOS-style slider) */
  .theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card);
    padding: 6px 12px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
  }

  .theme-icon {
    font-size: 1rem;
    line-height: 1;
  }

  .theme-toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--line);
    border-radius: 12px;
    cursor: pointer;
    transition: background var(--transition-slow);
    border: none;
    padding: 0;
  }

  .theme-toggle-switch::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-slow);
    box-shadow: 0 2px 4px rgba(0,0,0,.2);
  }

  .theme-toggle-switch.dark {
    background: var(--accent);
  }

  .theme-toggle-switch.dark::before {
    transform: translateX(20px);
  }

  .theme-toggle-switch:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
  }

  /* Modal Styles */
  .modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
  }

  .modal-overlay.active { display: flex; }

  .modal {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 440px;
    width: 100%;
    padding: 28px;
    position: relative;
    animation: modalIn .25s ease-out;
  }

  @keyframes modalIn {
    from { opacity: 0; transform: scale(.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
  }

  .modal-close {
    position: absolute;
    top: 14px; right: 14px;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color var(--transition);
  }

  @media (hover: hover) {
    .modal-close:hover { color: var(--text); }
  }

  .modal h2 { margin: 0 0 8px; font-size: 1.4rem; }
  .modal .lead { font-size: 1rem; margin-bottom: 20px; }

  /* Form Styles */
  .form-group { margin-bottom: 16px; }

  .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
  }

  .form-group input[type="email"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition);
  }

  .form-group input[type="email"]:focus { border-color: var(--accent); }
  .form-group input[type="email"]::placeholder { color: var(--muted); }

  .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
  }

  .checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
  }

  .checkbox-item span { color: var(--text); }

  .form-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    font-size: .85rem;
    color: var(--muted);
    line-height: 1.5;
  }

  .btn-submit {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: #07101f;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition), opacity var(--transition);
  }

  @media (hover: hover) {
    .btn-submit:hover { transform: translateY(-1px); }
  }

  .btn-submit:disabled { opacity: .6; cursor: not-allowed; transform: none; }

  .success-message { text-align: center; padding: 20px 0; }
  .success-message .icon { font-size: 3rem; margin-bottom: 12px; }
  .success-message h3 { margin: 0 0 8px; color: var(--good); }
  .success-message p { color: var(--muted); margin: 0; }

  /* Lightbox */
  .lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.92);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .25s ease;
  }

  .lightbox.active { display: flex; opacity: 1; }

  .lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
  }

  .lightbox-close {
    position: absolute;
    top: 20px; right: 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: .7;
    transition: opacity var(--transition);
    line-height: 1;
  }

  @media (hover: hover) {
    .lightbox-close:hover { opacity: 1; }
  }

  .lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.15);
    border: none;
    color: #fff;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    opacity: .7;
    transition: opacity var(--transition), background var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  @media (hover: hover) {
    .lightbox-nav:hover { opacity: 1; background: rgba(255,255,255,.25); }
  }

  .lightbox-prev { left: 20px; }
  .lightbox-next { right: 20px; }

  .lightbox-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: .95rem;
    background: rgba(0,0,0,.5);
    padding: 8px 16px;
    border-radius: 8px;
  }

  .screenshot-thumb {
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
  }

  @media (hover: hover) {
    .screenshot-thumb:hover {
      transform: scale(1.02);
      box-shadow: 0 12px 40px rgba(0,0,0,.4);
    }
  }

  /* Screenshot container with expand overlay */
  .screenshot-container {
    position: relative;
    display: inline-block;
    width: 100%;
  }

  .screenshot-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.5);
    border-radius: 12px;
    opacity: 0;
    transition: opacity .25s ease;
    pointer-events: none;
    z-index: 1;
  }

  .screenshot-container::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(.8);
    width: 48px; height: 48px;
    background: rgba(255,255,255,.95);
    border-radius: 50%;
    opacity: 0;
    transition: opacity .25s ease, transform .25s ease;
    pointer-events: none;
    z-index: 2;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 24px;
  }

  @media (hover: hover) {
    .screenshot-container:hover::before {
      opacity: 1;
    }

    .screenshot-container:hover::after {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  /* Platform Tabs */
  .platform-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
  }

  .platform-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--line);
    border-radius: 25px;
    background: rgba(255,255,255,.04);
    color: var(--muted);
    font-size: .95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
  }

  @media (hover: hover) {
    .platform-tab:hover {
      border-color: var(--accent);
      color: var(--text);
    }
  }

  .platform-tab.active {
    background: linear-gradient(135deg, rgba(125,211,252,.2), rgba(167,139,250,.2));
    border-color: var(--accent);
    color: var(--text);
  }

  .platform-tab .tab-icon {
    font-size: 1.1rem;
  }

  /* Screenshot Carousel */
  .carousel {
    position: relative;
  }

  .carousel[hidden] {
    display: none;
  }

  .carousel-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 300px;
  }

  .carousel-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    max-width: 400px;
  }

  .carousel-img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
  }

  @media (hover: hover) {
    .carousel-img:hover {
      transform: scale(1.02);
      box-shadow: 0 15px 45px rgba(0,0,0,.4);
    }
  }

  .carousel-img:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
  }

  .carousel-nav {
    background: rgba(255,255,255,.1);
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
  }

  @media (hover: hover) {
    .carousel-nav:hover {
      background: rgba(255,255,255,.2);
      border-color: var(--accent);
    }
  }

  .carousel-caption {
    text-align: center;
    color: var(--muted);
    font-size: .95rem;
    margin: 12px 0 8px;
  }

  .carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
  }

  .carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all var(--transition);
  }

  @media (hover: hover) {
    .carousel-dot:hover {
      border-color: var(--accent);
    }
  }

  .carousel-dot.active {
    background: var(--accent);
    border-color: var(--accent);
  }

  @media (max-width: 600px) {
    .carousel-container {
      gap: 8px;
    }
    .carousel-nav {
      width: 36px;
      height: 36px;
      font-size: 1.2rem;
    }
    .carousel-slide {
      max-width: 280px;
    }
    .platform-tab {
      padding: 8px 14px;
      font-size: .85rem;
    }
  }

  /* Statistics Section */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
    margin-bottom: 20px;
  }

  .stat-item {
    padding: 20px 16px;
    background: rgba(125,211,252,.06);
    border: 1px solid rgba(125,211,252,.2);
    border-radius: 14px;
  }

  .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.1;
    margin-bottom: 8px;
  }

  .stat-label {
    font-size: .95rem;
    color: var(--muted);
    line-height: 1.4;
  }

  .sources {
    text-align: center;
    font-size: .8rem;
    color: var(--muted);
    margin: 0;
  }

  .sources a {
    color: var(--muted);
    text-decoration: underline;
    text-decoration-color: rgba(169,180,199,.4);
  }

  @media (hover: hover) {
    .sources a:hover {
      color: var(--accent);
    }
  }

  @media (max-width: 700px) {
    .stats-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }
    .stat-number {
      font-size: 2rem;
    }
  }

  /* Use Cases / Who It's For */
  .use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .use-case {
    padding: 20px;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    border-radius: 14px;
    transition: border-color var(--transition);
  }

  @media (hover: hover) {
    .use-case:hover {
      border-color: var(--accent);
    }
  }

  .use-case-icon {
    font-size: 2rem;
    margin-bottom: 10px;
  }

  .use-case h3 {
    margin: 0 0 10px;
    font-size: 1.1rem;
    color: var(--text);
  }

  .use-case-quote {
    font-style: italic;
    color: var(--accent);
    margin: 0 0 8px;
    font-size: .95rem;
  }

  .use-case-desc {
    color: var(--muted);
    margin: 0;
    font-size: .9rem;
    line-height: 1.5;
  }

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

  /* FAQ / Details Styles (Support Page) */
  details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
  }

  summary {
    padding: 16px 20px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  summary::-webkit-details-marker { display: none; }

  summary::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--muted);
    transition: transform var(--transition);
  }

  details[open] summary::after {
    transform: rotate(45deg);
  }

  details > div {
    padding: 0 20px 16px;
    color: var(--muted);
    line-height: 1.6;
  }

  /* Content Sections (Manual/Docs) */
  .content-section {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 18px;
  }

  .content-section h2 {
    margin-top: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }

  .content-section h3 {
    color: var(--accent);
    margin-top: 20px;
  }

  .content-section p {
    color: var(--muted);
    line-height: 1.7;
  }

  /* Table of Contents */
  .toc {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
  }

  .toc h3 {
    margin: 0 0 12px;
    color: var(--text);
  }

  .toc ul {
    margin: 0;
    padding-left: 20px;
  }

  .toc li {
    margin: 8px 0;
  }

  .toc a {
    color: var(--accent);
    text-decoration: none;
  }

  @media (hover: hover) {
    .toc a:hover {
      text-decoration: underline;
    }
  }

  /* Mobile Navigation (Hamburger Menu) */
  .mobile-menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--text);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    transition: border-color var(--transition), color var(--transition);
  }

  @media (hover: hover) {
    .mobile-menu-toggle:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
  }

  @media (max-width: 768px) {
    .mobile-menu-toggle {
      display: block;
      order: -1;
    }

    .header-right {
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    nav {
      display: none;
      width: 100%;
      flex-direction: column;
      gap: 4px;
      padding: 12px 0;
      border-top: 1px solid var(--line);
      margin-top: 12px;
    }

    nav.active {
      display: flex;
    }

    nav a {
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
      text-align: center;
    }

    @media (hover: hover) {
      nav a:hover {
        background: rgba(125,211,252,.1);
      }
    }

    header {
      flex-wrap: wrap;
    }

    .theme-toggle {
      order: 1;
    }

    /* Mobile dropdown - expand inline */
    .nav-dropdown {
      width: 100%;
    }

    .nav-dropdown-toggle {
      width: 100%;
      justify-content: center;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.03);
    }

    .nav-dropdown-menu {
      position: static;
      opacity: 1;
      visibility: visible;
      transform: none;
      background: rgba(255,255,255,.02);
      border: none;
      border-radius: 0;
      box-shadow: none;
      padding: 0;
      margin-top: 4px;
      display: none;
    }

    .nav-dropdown.open .nav-dropdown-menu {
      display: block;
    }

    .nav-dropdown-menu a {
      padding: 10px 14px;
      text-align: center;
      border-radius: var(--radius-sm);
    }
  }

  /* Navigation Dropdown */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    transition: border-color var(--transition), color var(--transition);
  }

  .nav-dropdown-toggle::after {
    content: '▾';
    font-size: 0.7rem;
    transition: transform var(--transition);
  }

  .nav-dropdown:hover .nav-dropdown-toggle::after,
  .nav-dropdown.open .nav-dropdown-toggle::after {
    transform: rotate(180deg);
  }

  @media (hover: hover) {
    .nav-dropdown-toggle:hover {
      border-color: var(--line);
      color: var(--text);
    }
  }

  .nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    z-index: 200;
  }

  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
  }

  .nav-dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background var(--transition), color var(--transition);
  }

  @media (hover: hover) {
    .nav-dropdown-menu a:hover {
      background: rgba(125,211,252,.1);
      color: var(--text);
    }
  }

  .nav-dropdown-menu a[aria-current="page"] {
    color: var(--accent);
    font-weight: 500;
  }

  /* Back to Top Button */
  .back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    z-index: 90;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  @media (hover: hover) {
    .back-to-top:hover {
      background: var(--accent);
      color: #07101f;
      border-color: var(--accent);
    }
  }

  /* Breadcrumbs */
  .breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 16px;
    flex-wrap: wrap;
  }

  .breadcrumbs a {
    color: var(--muted);
    text-decoration: none;
    transition: color var(--transition);
  }

  @media (hover: hover) {
    .breadcrumbs a:hover {
      color: var(--accent);
    }
  }

  .breadcrumbs .separator {
    color: var(--line);
  }

  .breadcrumbs .current {
    color: var(--text);
  }

  /* Previous/Next Navigation */
  .page-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .page-nav a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    transition: border-color var(--transition), transform var(--transition);
    flex: 1;
    max-width: 280px;
  }

  .page-nav a:first-child {
    text-align: left;
  }

  .page-nav a:last-child {
    text-align: right;
    margin-left: auto;
  }

  .page-nav a:only-child {
    margin-left: auto;
  }

  @media (hover: hover) {
    .page-nav a:hover {
      border-color: var(--accent);
      transform: translateY(-2px);
    }
  }

  .page-nav .label {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .page-nav .title {
    font-weight: 600;
    color: var(--accent);
  }

  @media (max-width: 520px) {
    .page-nav {
      flex-direction: column;
    }
    .page-nav a {
      max-width: none;
    }
  }

  /* Footer Columns */
  .footer-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    width: 100%;
    margin-bottom: 24px;
  }

  .footer-column h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .footer-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .footer-column li {
    margin: 8px 0;
  }

  .footer-column a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
  }

  @media (hover: hover) {
    .footer-column a:hover {
      color: var(--accent);
    }
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    width: 100%;
  }

  @media (max-width: 768px) {
    .footer-columns {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
  }

  @media (max-width: 480px) {
    .footer-columns {
      grid-template-columns: 1fr;
      gap: 20px;
    }
  }

  /* Trust Strip (Footer) */
  .trust-strip {
    width: 100%;
    text-align: center;
    font-size: .85rem;
    color: var(--muted);
    padding-top: 14px;
    margin-top: 8px;
    border-top: 1px solid var(--line);
  }

  .trust-strip span {
    opacity: 0.8;
  }

  /* Download CTA Badge */
  .download-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--gradient-primary);
    color: #07101f;
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    transition: transform var(--transition), box-shadow var(--transition);
  }

  @media (hover: hover) {
    .download-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(125,211,252,.3);
    }
  }

  .download-cta .icon {
    font-size: 1.3rem;
  }

  .download-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--line);
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    transition: border-color var(--transition), background var(--transition);
  }

  @media (hover: hover) {
    .download-cta-secondary:hover {
      border-color: var(--accent);
      background: rgba(125,211,252,.08);
    }
  }

  /* Site Search */
  .site-search {
    position: relative;
  }

  .search-toggle {
    background: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--muted);
    cursor: pointer;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: border-color var(--transition), color var(--transition);
  }

  @media (hover: hover) {
    .search-toggle:hover {
      border-color: var(--accent);
      color: var(--text);
    }
  }

  /* Search keyboard shortcut - hide on mobile */
  .search-kbd {
    display: none;
    background: rgba(255,255,255,.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: .75rem;
    color: var(--muted);
  }

  @media (min-width: 768px) {
    .search-kbd {
      display: inline;
    }
  }

  .search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 20px 20px;
  }

  .search-modal.active {
    display: flex;
  }

  .search-container {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 70vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
  }

  .search-input-wrap {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
    gap: 12px;
  }

  .search-input-wrap .icon {
    color: var(--muted);
    font-size: 1.2rem;
  }

  .search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.1rem;
    outline: none;
  }

  .search-input::placeholder {
    color: var(--muted);
  }

  .search-close {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color var(--transition);
  }

  @media (hover: hover) {
    .search-close:hover {
      color: var(--text);
    }
  }

  .search-results {
    max-height: calc(70vh - 70px);
    overflow-y: auto;
    padding: 12px;
  }

  .search-result {
    display: block;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    transition: background .15s;
  }

  @media (hover: hover) {
    .search-result:hover {
      background: rgba(125,211,252,.1);
    }
  }

  .search-result-title {
    font-weight: 600;
    margin-bottom: 4px;
  }

  .search-result-desc {
    font-size: .9rem;
    color: var(--muted);
  }

  .search-no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
  }

  .search-hint {
    text-align: center;
    padding: 12px;
    font-size: .85rem;
    color: var(--muted);
    border-top: 1px solid var(--line);
  }

  .search-hint kbd {
    background: rgba(255,255,255,.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: .8rem;
  }

  /* Pricing Calculator */
  .pricing-calc {
    background: rgba(125,211,252,.06);
    border: 1px solid rgba(125,211,252,.2);
    border-radius: 14px;
    padding: 24px;
    margin: 20px 0;
  }

  .pricing-calc h3 {
    margin: 0 0 16px;
    color: var(--accent);
  }

  .pricing-slider-wrap {
    margin-bottom: 20px;
  }

  .pricing-slider-wrap label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
  }

  .pricing-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--line);
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
  }

  .pricing-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(125,211,252,.4);
  }

  .pricing-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
  }

  .pricing-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 20px;
  }

  .pricing-result-card {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
  }

  .pricing-result-card.stuffolio {
    border-color: var(--accent);
    background: rgba(125,211,252,.08);
  }

  .pricing-result-card h4 {
    margin: 0 0 8px;
    font-size: 1rem;
  }

  .pricing-result-card .price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
  }

  .pricing-result-card.stuffolio .price {
    color: var(--accent);
  }

  .pricing-result-card .period {
    font-size: .85rem;
    color: var(--muted);
  }

  .pricing-savings {
    text-align: center;
    margin-top: 20px;
    padding: 16px;
    background: rgba(134,239,172,.1);
    border: 1px solid rgba(134,239,172,.3);
    border-radius: var(--radius-sm);
  }

  .pricing-savings .amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--good);
  }

  @media (max-width: 600px) {
    .pricing-results {
      grid-template-columns: 1fr;
    }
  }

  /* Screenshot Accessibility */
  .screenshot-thumb:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 12px;
  }
}

/* ===== Utilities ===== */
@layer utilities {
  .divider {
    height: 1px;
    background: var(--line);
    margin: 18px 0;
  }
}

/* ===== Container Queries (Progressive Enhancement) ===== */
@supports (container-type: inline-size) {
  .card {
    container-type: inline-size;
  }

  /* Stats grid adapts based on card width */
  @container (max-width: 500px) {
    .stats-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }
  }

  /* Use cases adapt based on container */
  @container (max-width: 600px) {
    .use-cases-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Pricing results adapt */
  @container (max-width: 450px) {
    .pricing-results {
      grid-template-columns: 1fr;
    }
  }
}

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