:root {
  --bg-light: #F4F5F7;
  --bg-dark: #121214;
  --card-light: #FFFFFF;
  --card-dark: #1C1C1E;
  --text-light: #1C1C1E;
  --text-dark: #F2F2F7;
  --text2-light: #6B6B70;
  --text2-dark: #A1A1A6;
  --sep-light: #E5E5EA;
  --sep-dark: #3A3A3C;
  --accent: #D2FF28;
  --accent-dim: #A8CC14;
  --accent-glow: rgba(210, 255, 40, 0.28);
}

[data-theme="light"] {
  --bg: var(--bg-light);
  --card: var(--card-light);
  --text: var(--text-light);
  --text2: var(--text2-light);
  --sep: var(--sep-light);
}

[data-theme="dark"] {
  --bg: var(--bg-dark);
  --card: var(--card-dark);
  --text: var(--text-dark);
  --text2: var(--text2-dark);
  --sep: var(--sep-dark);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-rounded, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.muted { color: var(--text2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(120%) blur(8px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--sep);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #121214;
  box-shadow: inset 0 0 0 1px var(--sep), 0 6px 20px rgba(0, 0, 0, 0.12), 0 0 18px var(--accent-glow);
  overflow: hidden;
}
.brand-mark::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: url('../img/apple-touch-icon.png') center / cover;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; font-size: 14px; }
.brand-text strong { font-size: 16px; }
.brand-text span { color: var(--text2); font-size: 12px; }

.nav { display: flex; align-items: center; gap: 12px; }
.nav a {
  color: var(--text2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
}
.nav a.active { color: var(--text); border-color: var(--sep); }
.theme-toggle {
  background: var(--card);
  border: 1px solid var(--sep);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.hero { padding: 64px 0 24px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 36px;
}
.hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero .lead { color: var(--text2); font-size: 1.05rem; line-height: 1.55; margin: 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.btn {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid var(--sep);
  color: var(--text);
  background: var(--card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  border: none;
  color: #121214;
  background: var(--accent);
  font-weight: 600;
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 12px 28px var(--accent-glow); }
.btn-secondary { background: var(--card); }
.btn-lg { padding: 14px 18px; border-radius: 14px; font-weight: 600; }

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-preview {
  width: min(100%, 360px);
  background: var(--card);
  border: 1px solid var(--sep);
  border-radius: 24px;
  padding: 28px 24px 24px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.14), 0 0 40px var(--accent-glow);
}
.menubar-mock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #1C1C1E;
  color: #F2F2F7;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  margin-bottom: 22px;
}
.menubar-mock .status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-variant-numeric: tabular-nums;
}
.lamp-pill {
  width: 22px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.preview-icon {
  display: block;
  width: 160px;
  height: 160px;
  margin: 0 auto 18px;
  border-radius: 36px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}
.preview-caption {
  text-align: center;
  color: var(--text2);
  font-size: 14px;
  margin: 0;
}

.features .feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--sep);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08), 0 0 24px var(--accent-glow);
}
.feature-icon { font-size: 22px; margin-bottom: 8px; }
.feature h3 { margin: 0 0 8px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--text2); font-size: 0.95rem; line-height: 1.45; }

.permissions {
  background: color-mix(in srgb, var(--card) 70%, var(--bg));
  border-top: 1px solid var(--sep);
  border-bottom: 1px solid var(--sep);
}
.perm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.perm-card {
  background: var(--card);
  border: 1px solid var(--sep);
  border-radius: 14px;
  padding: 18px;
}
.perm-card h3 { margin: 0 0 8px; }
.perm-card p { margin: 0; color: var(--text2); }

.download { text-align: center; }
.download .muted { margin-bottom: 18px; }

.site-footer {
  border-top: 1px solid var(--sep);
  padding: 24px 0;
  margin-top: 24px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text2); text-decoration: none; }
.footer-meta { color: var(--text2); }
.footer-meta a { color: var(--accent-dim); text-decoration: none; }
[data-theme="dark"] .footer-meta a { color: var(--accent); }

.legal h1 { margin-top: 0; }
.legal h2 { margin-top: 28px; }
.legal h3 { margin-top: 18px; }
.legal p, .legal li { color: var(--text2); line-height: 1.55; }
.legal a { color: var(--accent-dim); }
[data-theme="dark"] .legal a { color: var(--accent); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .features .feature-grid,
  .perm-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .features .feature-grid,
  .perm-grid { grid-template-columns: 1fr; }
}