:root {
  --bg: #0b1020;
  --bg-2: #0f172a;
  --surface: #131c33;
  --surface-2: #182340;
  --border: rgba(148, 163, 184, .16);
  --text: #e6ecf8;
  --muted: #98a4bd;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --accent-ink: #062a26;
  --radius: 16px;
  --container: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.container { width: min(var(--container), 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--accent); color: var(--accent-ink); padding: .5rem 1rem; border-radius: 8px; z-index: 100;
}
.skip:focus { left: 8px; }

.eyebrow {
  margin: 0 0 .9rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, .75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.2rem; letter-spacing: -.02em; color: var(--text); }
.brand__mark { width: 30px; height: 30px; color: var(--accent); }
.brand--sm { font-size: 1rem; }
.brand--sm .brand__mark { width: 24px; height: 24px; }
.nav__links { display: flex; gap: 1.75rem; font-weight: 500; color: var(--muted); }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: .75rem; }
.lang {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: .35rem .7rem; font: inherit; font-size: .8rem; font-weight: 600; cursor: pointer;
}
.lang:hover { color: var(--text); border-color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: #7ff0dd; }
.btn--ghost { border-color: var(--border); color: var(--text); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--muted); }
.btn--sm { padding: .55rem 1.1rem; font-size: .875rem; }
.btn--lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 9vw, 7rem); }
.hero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 50% at 20% 10%, rgba(94, 234, 212, .18), transparent 60%),
    radial-gradient(50% 45% at 85% 30%, rgba(56, 189, 248, .16), transparent 60%),
    linear-gradient(180deg, transparent, var(--bg));
}
.hero__glow::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 70% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 0%, #000 30%, transparent 100%);
}
.hero__inner { position: relative; max-width: 780px; }
.hero h1 { max-width: 20ch; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 58ch; margin-bottom: 2rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2.5rem; }
.hero__pills { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.hero__pills li {
  font-size: .8rem; font-weight: 500; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: .35rem .8rem; background: rgba(255,255,255,.02);
}

/* Sections */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--border); }
.section__head { max-width: 640px; margin-bottom: 3rem; }
.section__head .muted { font-size: 1.05rem; }

.grid { display: grid; gap: 1.25rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.75rem; transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: rgba(94, 234, 212, .45); transform: translateY(-2px); }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card__icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(94,234,212,.18), rgba(56,189,248,.18)); color: var(--accent);
}
.card__icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; counter-reset: step; }
.step { position: relative; padding: 1.5rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.step__num { display: block; font-size: .8rem; font-weight: 700; letter-spacing: .1em; color: var(--accent-2); margin-bottom: .75rem; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
.about__text p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
.facts li {
  display: grid; gap: .2rem; padding: 1rem 1.25rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
}
.facts strong { font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); }
.facts span { color: var(--text); }

/* CTA */
.section--cta { background: linear-gradient(180deg, var(--bg), var(--bg-2)); border-top: 1px solid var(--border); }
.cta { text-align: center; max-width: 640px; }
.cta .btn { margin-top: .5rem; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2rem 0; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer__meta { margin: 0; color: var(--muted); font-size: .875rem; }

/* Responsive */
@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .grid--3, .steps { grid-template-columns: 1fr; }
  .hero h1 { max-width: none; }
  .btn--lg { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}