/* ---------- Design tokens ---------- */
:root {
  --bg-base:        #09090e;
  --bg-card:        #111118;
  --bg-elevated:    #1c1c27;
  --border:         rgba(255, 255, 255, 0.08);
  --accent:         #7c6aff;
  --accent-soft:    rgba(124, 106, 255, 0.12);
  --accent-glow:    rgba(124, 106, 255, 0.3);
  --green:          #22c55e;
  --yellow:         #eab308;
  --red:            #ef4444;
  --text-primary:   #f1f0ff;
  --text-secondary: #9896b0;
  --text-muted:     #55546a;
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --shadow:         0 8px 40px rgba(0, 0, 0, 0.6);
  --font:           'Inter', system-ui, -apple-system, sans-serif;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: opacity 200ms ease; }
a:hover { opacity: 0.85; }

h1, h2, h3, h4 { color: var(--text-primary); margin: 0 0 16px; }
h1 { font-size: 56px; font-weight: 700; line-height: 1.1; letter-spacing: -1.5px; }
h2 { font-size: 36px; font-weight: 700; line-height: 1.2; letter-spacing: -0.5px; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; }
p  { color: var(--text-secondary); margin: 0 0 16px; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-header { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-header p { font-size: 17px; color: var(--text-secondary); }

hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 200ms ease, filter 200ms ease, background 200ms ease, border-color 200ms ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 6px 24px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.15); transform: translateY(-1px); opacity: 1; }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--text-primary); }
.btn-large { padding: 16px 36px; font-size: 17px; }

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  z-index: 1000;
  background: rgba(9, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
}
.nav-brand svg { width: 26px; height: 26px; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); opacity: 1; }
.nav-cta { margin-left: 12px; }

.nav-hamburger {
  display: none;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 999;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 600;
}
.mobile-nav .btn { margin-top: 16px; font-size: 16px; }
.mobile-nav-close {
  position: absolute;
  top: 18px;
  right: 20px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-size: 28px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links, .nav-cta.desktop { display: none; }
  .nav-hamburger { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 0 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, rgba(124,106,255,0.18), transparent 55%),
    linear-gradient(180deg, #09090e 0%, #09090e 100%);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 40%, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, black 40%, transparent 75%);
  z-index: 0;
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; max-width: 760px; width: 100%; }
.hero h1 { margin-bottom: 20px; }
.hero .accent { color: var(--accent); }
.hero .lead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 32px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 24px;
}
.social-proof {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.social-proof .stars { color: #facc15; letter-spacing: 2px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  margin-bottom: 24px;
}

/* ---------- Extension mockup ---------- */
.mockup {
  margin: 64px auto 0;
  width: 320px;
  max-width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: left;
  animation: floaty 3s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@media (prefers-reduced-motion: reduce) {
  .mockup { animation: none; }
}
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.mockup-title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; }
.mockup-title svg { width: 18px; height: 18px; color: var(--accent); }
.mockup-model-pill {
  font-size: 11px;
  padding: 3px 9px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-weight: 600;
}
.mockup-row { margin-bottom: 14px; }
.mockup-row:last-child { margin-bottom: 0; }
.mockup-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.mockup-value { color: var(--text-primary); font-weight: 600; }
.mockup-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}
.mockup-bar-fill { height: 100%; border-radius: 999px; background: var(--accent); }
.mockup-bar-fill.green { background: var(--green); }
.mockup-bar-fill.yellow { background: var(--yellow); }
.mockup-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}
.mockup-stat {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}
.mockup-stat-label { font-size: 11px; color: var(--text-muted); }
.mockup-stat-value { font-size: 16px; font-weight: 700; color: var(--text-primary); }

/* ---------- Ad slots ---------- */
.ad-slot {
  box-sizing: border-box;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 13px;
}
.ad-leaderboard { width: 728px; max-width: 100%; height: 90px; margin: 32px auto; }
.ad-rectangle { width: 300px; height: 250px; margin: 40px auto; }

/* ---------- Feature grid ---------- */
.features { background: var(--bg-card); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 200ms ease, transform 200ms ease;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.feature-icon { font-size: 28px; margin-bottom: 14px; display: inline-block; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); margin: 0; }

@media (max-width: 960px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---------- How it works ---------- */
.how-it-works { background: var(--bg-base); }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 48px;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 16px;
  box-shadow: 0 0 0 6px var(--accent-soft);
}
.step h3 { margin-bottom: 6px; }
.step p { margin: 0; }
.steps-cta { text-align: center; }

@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- Privacy promise ---------- */
.privacy-promise { background: var(--bg-card); text-align: center; }
.privacy-promise-inner { max-width: 640px; margin: 0 auto; }
.privacy-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.privacy-icon svg { width: 30px; height: 30px; color: var(--accent); }
.trust-badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 24px 0;
}
.trust-badge {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ---------- FAQ accordion ---------- */
.faq { background: var(--bg-base); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 200ms ease;
}
.faq-item:hover { border-color: rgba(124,106,255,0.4); }
.faq-question {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  line-height: 1.4;
}
.faq-toggle {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  transition: transform 200ms ease;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}
.faq-answer-inner { padding: 0 24px 20px; color: var(--text-secondary); }

/* ---------- People Also Ask ---------- */
.paa { background: var(--bg-card); }
.paa-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.paa-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.paa-item h3 { font-size: 17px; margin-bottom: 8px; }
.paa-item p { margin: 0; font-size: 14px; }
@media (max-width: 760px) { .paa-grid { grid-template-columns: 1fr; } }

/* ---------- Final CTA ---------- */
.final-cta { background: var(--bg-base); text-align: center; }
.final-cta .container { max-width: 700px; }
.final-cta h2 { font-size: 42px; letter-spacing: -1px; }
.final-cta p { font-size: 17px; margin-bottom: 28px; }
.final-cta small { display: block; margin-top: 14px; color: var(--text-muted); font-size: 13px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; margin-bottom: 12px; }
.footer-brand svg { width: 24px; height: 24px; color: var(--accent); }
.footer-col h4 {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-secondary); font-size: 14px; }
.footer-col a:hover { color: var(--text-primary); opacity: 1; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Article/legal pages ---------- */
.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 140px 24px 80px;
}
.article h1 { font-size: 42px; margin-bottom: 8px; }
.article h2 { font-size: 24px; color: var(--accent); margin-top: 40px; margin-bottom: 12px; letter-spacing: -0.2px; }
.article h3 { font-size: 18px; margin-top: 24px; }
.article .meta { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }
.article ul { color: var(--text-secondary); padding-left: 20px; }
.article ul li { margin-bottom: 8px; }
.article p { color: var(--text-secondary); }
.article a { color: var(--accent); }

/* ---------- Support/contact header ---------- */
.page-header {
  padding: 140px 0 64px;
  text-align: center;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: 48px; margin-bottom: 10px; }
.page-header p { font-size: 17px; max-width: 560px; margin: 0 auto; }

/* ---------- Forms ---------- */
.form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color 200ms ease, background 200ms ease;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card);
}
.form-note {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
}

/* ---------- Link cards ---------- */
.link-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}
.link-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  color: var(--text-primary);
  font-weight: 600;
  transition: border-color 200ms ease, transform 200ms ease;
}
.link-card:hover { border-color: var(--accent); transform: translateY(-3px); opacity: 1; }
.link-card-icon {
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 10px;
}
.link-card p { font-size: 13px; color: var(--text-muted); margin: 4px 0 0; }
@media (max-width: 760px) { .link-cards { grid-template-columns: 1fr; } }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 9999;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.cookie-banner p { margin: 0; font-size: 14px; color: var(--text-secondary); }
.cookie-banner p a { color: var(--accent); }
.cookie-banner button {
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--font);
}
@media (max-width: 620px) {
  .cookie-banner { flex-direction: column; text-align: center; padding: 14px; }
}

/* ---------- Scroll animation utility ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive typography ---------- */
@media (max-width: 760px) {
  h1 { font-size: 38px; letter-spacing: -1px; }
  h2 { font-size: 28px; }
  .section { padding: 64px 0; }
  .hero { padding: 100px 0 64px; min-height: auto; }
  .hero .lead { font-size: 16px; }
  .final-cta h2 { font-size: 30px; }
  .article { padding-top: 120px; }
}

/* Ensure tap targets */
@media (max-width: 760px) {
  .btn, .nav-hamburger, .faq-question { min-height: 44px; }
}