:root {
    --bg: #0e0e0e;
    --bg2: #181818;
    --bg3: #222222;
    --bg4: #2a2a2a;
    --red: #e8341c;
    --accent: #ff6a4d;
    --accent-h: 15;
    --btn-gradient: linear-gradient(180deg, oklch(.7 .18 var(--accent-h)), var(--accent));
    --btn-shadow: 0 8px 22px -8px var(--accent), inset 0 1px 0 #ffffff4d;
    --text: #ffffff;
    --text-muted: #999999;
    --text-dim: #bbbbbb;
    --border: #2e2e2e;
    --border-light: #383838;
    --radius: 8px;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; min-height: 100vh; overflow-x: hidden; }

  /* ── NAV ── */
  .nav-wrapper {
    position: sticky; top: 0; z-index: 100;
    background: rgba(14,14,14,0.85);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px; height: 64px; max-width: 1200px; margin: 0 auto;
  }
  .logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; letter-spacing: -0.3px; text-decoration: none; color: var(--text); }
  .logo-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
  .logo-icon img { width: 40px; height: 40px; display: block; }
  .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
  .nav-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; font-weight: 400; transition: color 0.15s; position: relative; }
  .nav-links a:hover { color: var(--text); }
  .nav-links a.active { color: var(--text); }
  .nav-links a.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--btn-gradient); border-radius: 2px; }

  /* ── HERO ── */
  .hero-wrapper { position: relative; overflow: hidden; }
  .hero-glow {
    position: absolute; top: -300px; left: 50%; transform: translateX(-50%);
    width: 1100px; height: 900px;
    background: radial-gradient(ellipse at center, oklch(.55 .18 var(--accent-h) / 0.2) 0%, transparent 60%);
    pointer-events: none; z-index: 0;
  }
  .hero {
    position: relative; display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 40px; padding: 60px 48px 40px;
    min-height: calc(100vh - 64px - 120px); max-width: 1200px; margin: 0 auto;
  }
  .hero-left { display: flex; flex-direction: column; gap: 24px; position: relative; z-index: 1; }
  .mockup-wrap { position: relative; display: flex; justify-content: center; z-index: 1; }
  h1 { font-size: 56px; font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; }
  h1 .accent {
    background: var(--btn-gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
  }
  .hero-sub { font-size: 15px; color: var(--text-dim); line-height: 1.6; max-width: 400px; }
  .hero-btns { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
  .btn-primary {
    display: flex; align-items: center; gap: 8px;
    background: var(--btn-gradient); box-shadow: var(--btn-shadow);
    color: white; border: none; border-radius: 8px;
    padding: 13px 24px; font-size: 14px; font-weight: 600; cursor: pointer;
  }
  .chrome-icon { width: 18px; height: 18px; flex-shrink: 0; }
  .chrome-icon img { width: 100%; height: 100%; display: block; }
  .btn-firefox { background: var(--btn-gradient); box-shadow: var(--btn-shadow); }
  .trust-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
  .trust-item { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-muted); }
  .trust-item svg { width: 14px; height: 14px; stroke: var(--text-muted); fill: none; }

  /* ── FEATURES ── */
  .features-section { padding: 80px 0 100px; border-top: 1px solid var(--border); }
  .features-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; position: relative; z-index: 1; }
  .features-header { text-align: center; margin-bottom: 48px; }
  .features-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; color: var(--accent); margin-bottom: 14px; }
  .features-title { font-size: 38px; font-weight: 800; line-height: 1.18; letter-spacing: -0.8px; margin-bottom: 14px; }
  .features-sub { font-size: 14.5px; color: var(--text-muted); }
  .features-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-bottom: 48px; }
  .feature-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px 16px 18px; display: flex; flex-direction: column; gap: 10px; }
  .feature-icon { width: 38px; height: 38px; border-radius: 9px; background: rgba(255,106,77,0.1); border: 1px solid rgba(255,106,77,0.2); display: flex; align-items: center; justify-content: center; color: var(--accent); }
  .feature-icon svg { width: 18px; height: 18px; }
  .feature-name { font-size: 13px; font-weight: 700; color: var(--text); }
  .feature-desc { font-size: 11.5px; color: var(--text-muted); line-height: 1.5; }
  .features-bottom { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }

  /* ── CAROUSEL ── */
  .carousel { position: relative; border-radius: 12px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,0.5); border: 1px solid var(--border-light); user-select: none; }
  .carousel-track { display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr; }
  .carousel-slide { grid-area: 1 / 1; opacity: 0; transition: opacity 0.45s ease; pointer-events: none; }
  .carousel-slide.active { opacity: 1; pointer-events: auto; }
  .carousel-slide img { width: 100%; display: block; cursor: zoom-in; }
  .carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border-radius: 50%; background: rgba(20,20,20,0.8); border: 1px solid var(--border-light); color: white; display: flex; align-items: center; justify-content: center; cursor: pointer; backdrop-filter: blur(6px); transition: background 0.2s, border-color 0.2s; z-index: 2; }
  .carousel-btn:hover { background: rgba(40,40,40,0.95); border-color: var(--accent); }
  .carousel-btn svg { width: 16px; height: 16px; }
  .carousel-prev { left: 12px; }
  .carousel-next { right: 12px; }
  .carousel-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; z-index: 2; }
  .carousel-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.3); border: none; cursor: pointer; padding: 0; transition: background 0.2s, transform 0.2s; }
  .carousel-dot.active { background: var(--accent); transform: scale(1.3); }

  /* ── FEATURE CONTROL LIST ── */
  .control-title { font-size: 34px; font-weight: 800; letter-spacing: -0.6px; line-height: 1.15; margin-bottom: 14px; }
  .control-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin-bottom: 26px; }
  .control-list { list-style: none; display: flex; flex-direction: column; gap: 13px; }
  .control-list li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-dim); }
  .control-list li svg { width: 17px; height: 17px; flex-shrink: 0; color: var(--accent); }

  /* ── STEPS ── */
  .steps-section { padding: 100px 0; text-align: center; background: var(--bg); position: relative; }
  .steps-section::before {
    content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(ellipse at center, oklch(.55 .18 var(--accent-h) / 0.06) 0%, transparent 60%);
    pointer-events: none;
  }
  .steps-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; position: relative; z-index: 1; }
  .steps-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; color: var(--accent); margin-bottom: 14px; }
  .steps-title { font-size: 38px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 56px; color: var(--text); }
  .steps-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; max-width: 1020px; margin: 0 auto; position: relative; }
  .step { display: flex; flex-direction: column; align-items: center; padding: 0 32px; position: relative; }
  .step + .step::before {
    content: ''; position: absolute; top: 24px; left: -1px;
    width: 2px; height: 2px; border-radius: 50%;
    box-shadow: 0 0 0 3px var(--bg2), 0 0 0 5px rgba(255,106,77,0.15);
    background: var(--accent);
  }
  .step-top { display: flex; align-items: center; justify-content: center; width: 100%; position: relative; margin-bottom: 24px; }
  .step-top::after {
    content: ''; position: absolute; top: 50%; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  }
  .step-num {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--btn-gradient); box-shadow: var(--btn-shadow);
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; font-weight: 800; color: white;
    position: relative; z-index: 1; flex-shrink: 0;
  }
  .step-body { text-align: center; }
  .step-name { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
  .step-desc { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; }

  /* ── FAQ ── */
  .faq-section { padding: 80px 0 90px; text-align: center; }
  .faq-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
  .faq-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; color: var(--accent); margin-bottom: 14px; }
  .faq-title { font-size: 38px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 10px; }
  .faq-sub { font-size: 14px; color: var(--text-muted); margin-bottom: 40px; }
  .faq-list { max-width: 680px; margin: 0 auto; text-align: left; display: flex; flex-direction: column; gap: 8px; }
  .faq-item { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; transition: border-color 0.25s, background 0.25s, box-shadow 0.25s; }
  .faq-item:hover { border-color: var(--border-light); background: #1e1e1e; }
  .faq-item.open { border-color: rgba(255,106,77,0.35); background: #1e1a18; box-shadow: 0 0 0 1px rgba(255,106,77,0.08), 0 8px 24px rgba(0,0,0,0.25); }
  .faq-q { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; font-size: 14px; font-weight: 500; color: var(--text-dim); cursor: pointer; user-select: none; gap: 16px; transition: color 0.2s; }
  .faq-item.open .faq-q { color: var(--text); }
  .faq-q:hover { color: var(--text); }
  .faq-icon { width: 26px; height: 26px; border-radius: 50%; background: var(--bg3); border: 1px solid var(--border-light); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; line-height: 1; transition: background 0.25s, border-color 0.25s, transform 0.35s cubic-bezier(0.34,1.56,0.64,1); }
  .faq-icon svg { width: 13px; height: 13px; stroke: var(--text-muted); fill: none; transition: stroke 0.25s; }
  .faq-item.open .faq-icon { background: rgba(255,106,77,0.12); border-color: rgba(255,106,77,0.4); transform: rotate(45deg); }
  .faq-item.open .faq-icon svg { stroke: var(--accent); }
  .faq-a-wrap { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s cubic-bezier(0.4,0,0.2,1); }
  .faq-item.open .faq-a-wrap { grid-template-rows: 1fr; }
  .faq-a { overflow: hidden; font-size: 13.5px; color: var(--text-muted); line-height: 1.7; padding: 0 20px; border-top: 1px solid transparent; transition: padding 0.4s cubic-bezier(0.4,0,0.2,1), border-color 0.4s; }
  .faq-item.open .faq-a { padding: 14px 20px 20px; border-top-color: var(--border); }

  /* ── CTA BANNER ── */
  .cta-section { padding: 0 48px 64px; max-width: 1200px; margin: 0 auto; }
  .cta-banner { background: var(--bg2); border: 1px solid var(--border-light); border-radius: 14px; padding: 32px 36px; display: flex; align-items: center; gap: 24px; }
  .cta-logo-wrap { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .cta-logo-wrap img { width: 64px; height: 64px; display: block; }
  .cta-text { flex: 1; }
  .cta-text h3 { font-size: 18px; font-weight: 800; margin-bottom: 5px; }
  .cta-text p { font-size: 13px; color: var(--text-muted); }
  .cta-actions { display: flex; flex-direction: column; align-items: stretch; gap: 8px; flex-shrink: 0; }

  /* ── LIGHTBOX ── */
  .lightbox-overlay { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; pointer-events: none; transition: opacity 0.3s ease, background 0.3s ease; backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px); }
  .lightbox-overlay.open { opacity: 1; pointer-events: all; background: rgba(0,0,0,0.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
  .lightbox-img-wrap { position: relative; max-width: min(92vw,1100px); width: 100%; transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1); }
  .lightbox-overlay.open .lightbox-img-wrap { transform: scale(1); }
  .lightbox-img-wrap img { width: 100%; border-radius: 12px; border: 1px solid var(--border-light); box-shadow: 0 32px 80px rgba(0,0,0,0.7); display: block; }
  .lightbox-close { position: absolute; top: -14px; right: -14px; width: 32px; height: 32px; border-radius: 50%; background: var(--bg3); border: 1px solid var(--border-light); color: var(--text); font-size: 16px; display: flex; align-items: center; justify-content: center; cursor: pointer; line-height: 1; transition: background 0.15s, border-color 0.15s; }
  .lightbox-close:hover { background: var(--bg4); border-color: var(--accent); color: var(--accent); }

  /* ── SITE FOOTER ── */
  footer { padding: 24px 48px; text-align: center; }
  .site-footer { border-top: 1px solid var(--border); padding: 32px 0; width: 100%; }
  .footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 48px; }
  .footer-brand { display: flex; align-items: center; gap: 8px; }
  .footer-logo { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; }
  .footer-logo img { width: 28px; height: 28px; display: block; }
  .footer-brand-name { font-size: 14px; font-weight: 700; color: var(--text-dim); }
  .footer-copy { font-size: 12.5px; color: var(--text-muted); }
  .heart { color: var(--red); }
  .footer-links { display: flex; align-items: center; gap: 24px; }
  .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 12.5px; transition: color 0.15s; }
  .footer-links a:hover { color: var(--text); }

  /* ── REVEAL ── */
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .48s ease, transform .48s ease; }
  .reveal.visible { opacity: 1; transform: none; }
  @media(prefers-reduced-motion:reduce){ .reveal { opacity:1; transform:none; transition:none; } }

  /* ── MOBILE: 820px ── */
  @media (max-width: 820px) {
    nav { padding: 0 20px; height: 56px; }
    .nav-links { display: none; }
    .hero { grid-template-columns: 1fr; padding: 40px 20px 32px; min-height: unset; gap: 40px; }
    h1 { font-size: 36px; letter-spacing: -0.8px; }
    .hero-sub { font-size: 14px; }
    .hero-btns { flex-wrap: wrap; }
    .trust-row { gap: 12px; }
    .mockup-wrap img { max-width: 100%; }
    .features-inner { padding: 0 20px; }
    .features-section { padding: 56px 0 64px; }
    .features-title { font-size: 28px; }
    .features-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
    .features-bottom { grid-template-columns: 1fr; gap: 36px; }
    .features-mockup img { max-width: 100%; }
    .control-title { font-size: 26px; }
    .steps-inner, .faq-inner { padding: 0 20px; }
    .steps-title, .faq-title { font-size: 26px; }
    .steps-row { grid-template-columns: 1fr; gap: 0; max-width: 400px; }
    .steps-row::before { display: none; }
    .step + .step::before { display: none; }
    .step { padding: 28px 20px; }
    .cta-section { padding: 0 20px 48px; }
    .cta-banner { flex-direction: column; text-align: center; gap: 20px; }
    .cta-actions { width: 100%; }
    .cta-actions .btn-primary,
    .cta-actions .btn-firefox { width: 100%; justify-content: center; }
    footer { padding: 20px; }
    .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
    .footer-links { gap: 20px; }
  }

  /* ── MOBILE: 480px ── */
  @media (max-width: 480px) {
    h1 { font-size: 30px; }
    .features-title { font-size: 24px; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .control-title { font-size: 22px; }
    .trust-row { flex-direction: column; gap: 8px; }
  }

  /* ── LEGAL PAGES ── */
  .legal-page { padding: 80px 48px 100px; max-width: 720px; margin: 0 auto; }
  .legal-page .legal-inner h1 { font-size: 36px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 6px; }
  .legal-page .last-updated { font-size: 13px; color: var(--text-muted); margin-bottom: 32px; }
  .legal-page h2 { font-size: 20px; font-weight: 700; margin-top: 32px; margin-bottom: 10px; color: var(--text); }
  .legal-page p { font-size: 14.5px; color: var(--text-dim); line-height: 1.7; margin-bottom: 14px; }
  .legal-page ul { list-style: none; padding: 0; margin: 0 0 14px; }
  .legal-page ul li { font-size: 14px; color: var(--text-dim); line-height: 1.65; padding-left: 20px; position: relative; margin-bottom: 6px; }
  .legal-page ul li::before { content: ''; position: absolute; left: 4px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
  .legal-page a { color: var(--accent); text-decoration: none; }
  .legal-page a:hover { text-decoration: underline; }
  @media (max-width: 820px) {
    .legal-page { padding: 48px 20px 64px; }
    .legal-page .legal-inner h1 { font-size: 28px; }
  }