:root {
  --bg: #ffffff;
  --bg-alt: #f5f6f8;
  --text: #1b1d21;
  --text-muted: #5b6069;
  --accent: #0066ff;
  --accent-dark: #0047b3;
  --accent-2: #6c5ce7;
  --border: #e4e6ea;
  --radius: 14px;
  --max-width: 1000px;
  --shadow: 0 1px 3px rgba(20, 21, 26, 0.06), 0 8px 24px rgba(20, 21, 26, 0.04);
  --shadow-hover: 0 4px 10px rgba(20, 21, 26, 0.08), 0 16px 32px rgba(20, 21, 26, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --bg-alt: #1b1d24;
    --text: #eceef1;
    --text-muted: #a0a5b0;
    --accent: #4d8dff;
    --accent-dark: #7fa9ff;
    --accent-2: #9c8cff;
    --border: #2a2d36;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 4px 10px rgba(0, 0, 0, 0.35), 0 16px 32px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav .logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav .logo:hover { text-decoration: none; }

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.nav-toggle {
  display: none;
}

@media (max-width: 640px) {
  .nav { flex-wrap: wrap; gap: 12px; }
  .nav-links { gap: 14px; font-size: 0.9rem; }
}

/* Hero */
.hero {
  padding: 88px 0 64px;
  text-align: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 320px;
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--accent) 18%, transparent) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
}

/* Sections */
main {
  min-height: 60vh;
  padding: 48px 0 80px;
}

section {
  margin-bottom: 48px;
}

h1, h2, h3 {
  line-height: 1.25;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card .app-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.card h3 { margin: 0; }

.card .app-links {
  margin-top: auto;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 45%, transparent);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent-dark);
  box-shadow: none;
}

/* Placeholder note box */
.placeholder-note {
  border: 1px dashed var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact list */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.contact-list .label {
  color: var(--text-muted);
  min-width: 90px;
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* Legal pages */
.legal h2 {
  margin-top: 40px;
}

.legal p, .legal li {
  color: var(--text);
}

.legal .updated {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 32px;
}