:root {
  --bg: #0b0e14;
  --bg-alt: #11161f;
  --surface: #161c27;
  --border: #232c3b;
  --text: #e6ebf2;
  --muted: #97a3b6;
  --accent: #4f8cff;
  --accent-2: #22d3a6;
  --radius: 14px;
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__logo { display: block; border-radius: 9px; }
.brand__name {
  font-weight: 800; font-size: 1.18rem; color: var(--text); letter-spacing: -0.02em;
}
.nav__links { display: flex; gap: 28px; }
.nav__links a {
  color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 100px 0 84px;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(79, 140, 255, 0.20), transparent 60%),
    radial-gradient(720px 380px at 92% 0%, rgba(34, 211, 166, 0.14), transparent 55%);
}
.eyebrow {
  color: var(--accent-2); font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -0.03em;
  font-weight: 800; max-width: 19ch; margin-bottom: 22px;
}
.hero__lead { color: var(--muted); font-size: 1.15rem; max-width: 60ch; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; padding: 12px 22px; border-radius: 10px;
  font-weight: 600; font-size: 0.98rem; text-decoration: none;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: #3f7bf0; transform: translateY(-1px); }
.btn--ghost { border: 1px solid var(--border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }

/* Sections */
.section { padding: 74px 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section__title { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 18px; }
.section__text { color: var(--muted); font-size: 1.08rem; max-width: 72ch; }
.section__muted { color: var(--muted); font-size: 0.92rem; margin-top: 10px; }

/* Grid / cards */
.grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px; margin-top: 28px;
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: transform 0.18s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.97rem; }

/* App cards */
.card--app { text-decoration: none; color: var(--text); display: flex; flex-direction: column; }
.card--app:hover { border-color: var(--accent-2); }
.card__link { margin-top: 14px; color: var(--accent-2); font-size: 0.9rem; font-weight: 600; }

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin-top: 24px; }
.tags li {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 0.9rem; color: var(--text); background: var(--surface);
}

/* Contact */
.contact__email { margin-top: 14px; font-size: 1.4rem; font-weight: 700; }
.contact__email a { color: var(--accent); text-decoration: none; }
.contact__email a:hover { text-decoration: underline; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer__inner {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--muted); font-size: 0.88rem; align-items: center;
}
.footer__brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; }
.footer__brand img { border-radius: 6px; }

@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero { padding: 68px 0 58px; }
  .section { padding: 56px 0; }
}
