:root,
[data-theme="dark"] {
  --bg: #0b0d10;
  --bg-elevated: #12161c;
  --bg-hover: #181d25;
  --text: #f0f4f8;
  --text-muted: #94a3b8;
  --border: #222934;
  --border-strong: #334155;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.14);
  --grid-line: rgba(148, 163, 184, 0.045);
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-elevated: #ffffff;
  --bg-hover: #f1f5f9;
  --text: #0f172a;
  --text-muted: #475569;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #0284c7;
  --accent-glow: rgba(2, 132, 199, 0.1);
  --grid-line: rgba(15, 23, 42, 0.04);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-right: 0.55rem;
}

.brand-domain {
  color: var(--text-muted);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.925rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--text);
  text-decoration: none;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

[data-theme="dark"] .icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: none;
}

/* Hero */
.hero {
  padding: 5.5rem 1.5rem 4rem;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 48ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.3rem;
  border-radius: 0.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.18s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}

/* Sections */
.section {
  padding: 3.25rem 1.5rem;
  border-top: 1px solid var(--border);
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}

.section-title {
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.standalone-link {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.standalone-link:hover {
  color: var(--accent);
}

/* Empty Apps State */
.empty-state {
  background: var(--bg-elevated);
  border: 1px dashed var(--border-strong);
  border-radius: 0.75rem;
  padding: 2.5rem 1.75rem;
  text-align: center;
}

.empty-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.empty-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
}

/* Privacy Policy & Support Cards */
.policy-card,
.support-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
}

.policy-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.policy-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.policy-card h3:first-of-type {
  margin-top: 0;
}

.policy-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

.policy-card ul {
  margin: 0.5rem 0 1rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.policy-card li {
  margin-bottom: 0.5rem;
}

.policy-card strong {
  color: var(--text);
}

.support-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.support-email {
  margin-top: 0.75rem;
  font-size: 1rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

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

.footer-sep {
  margin: 0 0.5rem;
  opacity: 0.5;
}

@media (max-width: 640px) {
  .hero {
    padding: 3.5rem 1.5rem 2.5rem;
  }
  .section {
    padding: 2.5rem 1.5rem;
  }
  .policy-card,
  .support-card {
    padding: 1.35rem;
  }
}