:root {
  --bg: #0b0d12;
  --bg-card: #14171f;
  --bg-card-hover: #1a1e29;
  --border: #232836;
  --text: #eef1f6;
  --text-dim: #9aa3b2;
  --accent: #6ea8ff;
  --accent-2: #a86eff;
  --radius: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "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; }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(11, 13, 18, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* ---------- Hero ---------- */

.hero {
  position: relative;
  text-align: center;
  padding: clamp(80px, 14vh, 160px) 24px clamp(60px, 10vh, 120px);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(110, 168, 255, 0.18) 0%,
    rgba(168, 110, 255, 0.10) 40%,
    transparent 70%);
  pointer-events: none;
}

.hero h1 {
  position: relative;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero .accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  position: relative;
  max-width: 620px;
  margin: 24px auto 40px;
  color: var(--text-dim);
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-cta {
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(110, 168, 255, 0.35);
}

/* ---------- Apps grid ---------- */

.apps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px clamp(20px, 5vw, 64px) 80px;
}

.apps h2, .about h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-sub {
  color: var(--text-dim);
  margin: 8px 0 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease,
              background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: #33405c;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-icon {
  width: 84px;
  height: 84px;
  border-radius: 19px; /* matches iOS icon corner ratio at this size */
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
}

.card-body { display: flex; flex-direction: column; }

.card-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 2px;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.card p {
  font-size: 0.92rem;
  color: var(--text-dim);
  flex-grow: 1;
}

.card-link {
  margin-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
}

/* ---------- About & footer ---------- */

.about {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 100px;
  text-align: center;
}

.about p {
  color: var(--text-dim);
  margin-top: 18px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-fine {
  margin-top: 6px;
  font-size: 0.78rem;
  opacity: 0.6;
}

/* ---------- Legal / policies page ---------- */

.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(48px, 8vh, 90px) 24px 100px;
}

.legal h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.legal-updated {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 10px 0 48px;
}

.legal section {
  /* Anchor targets land below the sticky nav */
  scroll-margin-top: 90px;
}

.legal h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  margin: 40px 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.legal p {
  color: var(--text-dim);
  margin-bottom: 16px;
}

/* ---------- Small screens ---------- */

@media (max-width: 480px) {
  .nav-links { gap: 18px; }
  .card { flex-direction: column; }
  .card-icon { width: 72px; height: 72px; border-radius: 16px; }
}

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