:root {
  /* Brand palette — mirrors the app icon (teal on navy). */
  --navy-900: #0a1119;
  --navy-800: #0e1a2b;
  --navy-700: #132238;
  --teal-400: #2dd4bf;
  --teal-500: #22b8cf;
  --text: #e8eef5;
  --text-dim: #9fb0c3;
  --border: rgba(45, 212, 191, 0.18);
  --radius: 14px;
  --maxw: 980px;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 50% -8%, rgba(45, 212, 191, 0.12), transparent 60%),
    linear-gradient(160deg, var(--navy-800), var(--navy-900));
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal-400); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- header ---- */
.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.4rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark { display: block; }
.brand-name { font-size: 1.05rem; letter-spacing: 0.2px; }
.site-nav a { color: var(--text-dim); margin-left: 1.4rem; font-size: 0.95rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* ---- hero ---- */
.hero {
  max-width: 1100px;
  margin: 2rem auto 4rem;
  padding: 2rem 1.5rem 0;
  text-align: center;
}
.hero-glyph svg {
  width: 132px;
  height: 132px;
  filter: drop-shadow(0 8px 28px rgba(45, 212, 191, 0.28));
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  margin: 1rem 0 0.6rem;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff, var(--teal-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 auto 2rem;
}
.beta-pill {
  display: inline-block;
  margin: 1.2rem 0 0;
  padding: 0.28rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.08);
  color: var(--teal-400);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-shot {
  margin: 3.2rem auto 0;
  max-width: 1020px;
  padding: 0 1rem;
}
.hero-shot img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5),
              0 0 0 1px rgba(45, 212, 191, 0.06);
}

/* ---- download ---- */
.download { margin-top: 1.5rem; }
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  color: var(--navy-900);
  background: linear-gradient(120deg, var(--teal-400), var(--teal-500));
  box-shadow: 0 10px 30px rgba(45, 212, 191, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.download-meta {
  margin: 0.9rem 0 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.all-platforms {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.all-platforms-label { margin-right: 0.5rem; }
.download-note {
  margin: 0.7rem 0 0;
  font-size: 0.85rem;
  color: var(--text-dim);
  opacity: 0.85;
}
.all-platforms ul {
  list-style: none;
  display: inline-flex;
  gap: 1.1rem;
  padding: 0;
  margin: 0;
}

/* ---- features ---- */
.features {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  display: grid;
  /* 280px floor → exactly 3 columns at the 980px max width, so the six
     cards land in a clean 2×3 with no orphan. */
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}
.feature {
  background: rgba(19, 34, 56, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(45, 212, 191, 0.4); }
.feature-icon { font-size: 1.6rem; margin-bottom: 0.6rem; }
.feature h2 { font-size: 1.1rem; margin: 0 0 0.4rem; }
.feature p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }

/* ---- footer ---- */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--teal-400); }

@media (max-width: 520px) {
  .all-platforms ul { gap: 0.8rem; }
  .site-nav a:first-child { display: none; }
}