/* ============================================================
   Axyron — дизайн-система (тёмный премиум: чёрный/графит + золото)
   ============================================================ */
:root {
  --bg: #0a0a0b;
  --bg-2: #101012;
  --bg-3: #161618;
  --surface: #0e0e10;
  --border: #242428;
  --border-soft: #1c1c20;
  --text: #ece9e0;
  --text-muted: #9b988e;
  --text-faint: #6b6960;
  --gold: #c9a227;
  --gold-2: #e3c14f;
  --gold-dim: rgba(201, 162, 39, 0.12);
  --gold-glow: rgba(201, 162, 39, 0.35);
  --danger: #e05252;
  --radius: 16px;
  --radius-sm: 10px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --maxw: 1140px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.section-label::before { content: ""; width: 26px; height: 1px; background: var(--gold); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }
h2 { font-size: clamp(30px, 4.4vw, 46px); margin: 0 0 18px; letter-spacing: -0.5px; }
.lead { color: var(--text-muted); font-size: 18px; max-width: 640px; }
.gold { color: var(--gold); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: all .25s ease;
}
.btn-gold { background: linear-gradient(180deg, var(--gold-2), var(--gold)); color: #0a0a0b; }
.btn-gold:hover { box-shadow: 0 8px 30px var(--gold-glow); transform: translateY(-1px); }
.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- header ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h); backdrop-filter: blur(14px);
  background: rgba(10, 10, 11, 0.72); border-bottom: 1px solid var(--border-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { font-family: var(--font-display); font-size: 22px; letter-spacing: .5px; }
.brand .diamond { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-muted); font-size: 14.5px; transition: color .2s; }
.nav-links a:hover { color: var(--gold); }
.lang { display: flex; gap: 10px; align-items: center; }
.lang a { font-size: 13px; color: var(--text-faint); padding: 4px 9px; border-radius: 6px; }
.lang a.active { color: var(--gold); border: 1px solid var(--gold-dim); background: var(--gold-dim); }

/* ---------- hero ---------- */
.hero { padding: 96px 0 64px; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 400px at 78% 20%, var(--gold-dim), transparent 70%);
}
.hero h1 { font-size: clamp(40px, 7vw, 76px); margin: 0 0 22px; letter-spacing: -1px; }
.hero .lead { font-size: 20px; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 26px; margin-top: 40px; color: var(--text-faint); font-size: 13.5px; flex-wrap: wrap; }
.hero-meta b { color: var(--text); font-weight: 600; }

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 28px 26px; transition: all .25s ease;
}
.card:hover { border-color: var(--border); transform: translateY(-3px); }
.card .ic { font-size: 26px; color: var(--gold); margin-bottom: 14px; display: inline-block; }
.card h3 { font-size: 21px; margin: 0 0 10px; }
.card p { color: var(--text-muted); margin: 0; font-size: 15px; }

/* ---------- tariffs ---------- */
.tariff { position: relative; display: flex; flex-direction: column; }
.tariff .price { font-family: var(--font-display); font-size: 38px; margin: 14px 0 4px; }
.tariff .price span { font-size: 16px; color: var(--text-faint); }
.tariff ul { list-style: none; padding: 0; margin: 18px 0 24px; color: var(--text-muted); font-size: 14.5px; }
.tariff li { padding: 6px 0 6px 24px; position: relative; }
.tariff li::before { content: "◆"; position: absolute; left: 0; color: var(--gold); font-size: 10px; top: 9px; }
.tariff.featured { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold-dim); }
.badge { position: absolute; top: -12px; left: 24px; background: var(--gold); color: #0a0a0b; font-size: 11px; font-weight: 700; letter-spacing: 1px; padding: 4px 12px; border-radius: 999px; text-transform: uppercase; }

/* ---------- process ---------- */
.step { counter-increment: step; position: relative; padding-left: 54px; }
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0; font-family: var(--font-display);
  color: var(--gold); font-size: 22px; font-weight: 600;
}
.step h3 { font-size: 20px; margin: 0 0 8px; }
.step p { color: var(--text-muted); margin: 0; font-size: 15px; }

/* ---------- faq ---------- */
.faq-item { border-bottom: 1px solid var(--border-soft); padding: 20px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: "+"; color: var(--gold); font-size: 22px; font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--text-muted); margin: 12px 0 0; font-size: 15px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border-soft); padding: 56px 0 32px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; }
footer h4 { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); margin: 0 0 16px; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin: 8px 0; }
footer a, footer .muted { color: var(--text-muted); font-size: 14.5px; }
footer a:hover { color: var(--gold); }
.reqs { color: var(--text-faint); font-size: 13px; line-height: 1.9; margin-top: 28px; }
.copyright { color: var(--text-faint); font-size: 13px; margin-top: 28px; border-top: 1px solid var(--border-soft); padding-top: 24px; }

/* ---------- forms ---------- */
input, textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); padding: 13px 15px;
  font: inherit; font-size: 15px; transition: border-color .2s;
}
input:focus, textarea:focus { outline: none; border-color: var(--gold); }
label { display: block; font-size: 13px; color: var(--text-muted); margin: 14px 0 6px; }
.field { margin-bottom: 4px; }
textarea { min-height: 110px; resize: vertical; }

/* ---------- responsive ---------- */
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 26px; cursor: pointer; }
@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); flex-direction: column; align-items: flex-start; gap: 0; padding: 12px 24px 20px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border-soft); width: 100%; }
  .nav-toggle { display: block; }
}

/* ---------- utilities ---------- */
.muted { color: var(--text-muted); }
.center { text-align: center; }
.mt-2 { margin-top: 24px; }
.mt-3 { margin-top: 40px; }