:root {
  --bg: #0b1016;
  --bg-elev: #121a24;
  --bg-card: rgba(18, 26, 36, 0.86);
  --line: rgba(62, 207, 175, 0.18);
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3ecfaf;
  --accent-dim: #2a9e86;
  --accent-2: #7eb6ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(62, 207, 175, 0.16), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(126, 182, 255, 0.1), transparent 55%),
    repeating-linear-gradient(60deg, rgba(62, 207, 175, 0.035) 0 1px, transparent 1px 28px);
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(11, 16, 22, 0.78);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.94rem;
}

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

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang-toggle button {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
}

.lang-toggle button.is-active {
  background: rgba(62, 207, 175, 0.16);
  color: var(--accent);
}

.hero {
  padding: 72px 0 36px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  max-width: 16ch;
  margin-bottom: 16px;
}

.hero p.lead {
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.12rem;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #06231c;
  box-shadow: 0 10px 24px rgba(62, 207, 175, 0.25);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.section {
  padding: 28px 0 64px;
}

.section h2 {
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.section .section-lead {
  color: var(--muted);
  margin-bottom: 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
}

.card h3 {
  font-size: 1.18rem;
}

.card p {
  color: var(--muted);
  flex: 1;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent-2);
}

.badge.soon {
  color: #f0c36e;
  border-color: rgba(240, 195, 110, 0.28);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.card-actions a.quiet {
  color: var(--muted);
  font-size: 0.88rem;
}

.contact-box,
.doc {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-box p {
  color: var(--muted);
  margin: 8px 0 18px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.doc h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 8px;
}

.doc .meta {
  color: var(--muted);
  margin-bottom: 24px;
}

.doc h2 {
  font-size: 1.12rem;
  margin: 22px 0 8px;
}

.doc h3 {
  font-size: 1rem;
  margin: 16px 0 6px;
}

.doc p,
.doc li {
  color: #d5dee8;
}

.doc ul {
  padding-left: 1.2rem;
  margin: 8px 0 12px;
}

.doc li {
  margin: 4px 0;
}

.doc hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 22px 0;
}

.lang-block[hidden] {
  display: none;
}

.app-list {
  display: grid;
  gap: 10px;
}

.app-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.app-list a:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.app-list span {
  color: var(--muted);
}

@media (max-width: 720px) {
  .hero {
    padding-top: 40px;
  }

  .header-inner {
    flex-wrap: wrap;
  }
}