/* Exchange 24/7 — лендинг. Палитра: #0B0E14, cyan→lime, amber. */
:root {
  --bg: #0B0E14;
  --card: #12161F;
  --border: rgba(255, 255, 255, .06);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --cyan: #22d3ee;
  --lime: #a3e635;
  --amber: #fbbf24;
  --grad: linear-gradient(100deg, var(--cyan), var(--lime));
  --font-head: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* мягкий mesh-фон: два цветных пятна */
.mesh {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 500px at 85% -5%, rgba(34, 211, 238, .13), transparent 60%),
    radial-gradient(700px 600px at -10% 40%, rgba(163, 230, 53, .09), transparent 60%),
    var(--bg);
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0 8px; }
.muted { color: var(--muted); font-size: 14px; }
.amber { color: var(--amber); }

h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; }
h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(24px, 3.5vw, 36px); font-weight: 800; margin-bottom: 22px; }
h3 { font-size: 17px; margin-bottom: 8px; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-sub { color: var(--muted); margin: -12px 0 20px; }

/* --- кнопки --- */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn-grad { background: var(--grad); color: #0B0E14; }
.btn-grad:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(34, 211, 238, .3); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid rgba(255, 255, 255, .18);
}
.btn-ghost:hover { border-color: var(--cyan); }
.btn-wide { display: block; text-align: center; width: 100%; }
.btn-big { font-size: 17px; padding: 16px 36px; }

/* --- шапка --- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { width: 34px; height: 34px; }
.brand-name { font-family: var(--font-head); font-weight: 800; font-size: 17px; letter-spacing: .02em; }
.brand-name em { font-style: normal; color: var(--cyan); }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--text); }
.btn-header { padding: 10px 18px; font-size: 13px; }

/* --- hero --- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr .95fr;
  gap: 48px;
  align-items: center;
  padding: 72px 20px 48px;
}
.pill {
  display: inline-block;
  border: 1px solid rgba(34, 211, 238, .35);
  background: rgba(34, 211, 238, .08);
  color: var(--cyan);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.lead { color: var(--muted); font-size: 17px; margin: 18px 0 28px; max-width: 52ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* --- glass-карточки --- */
.glass {
  background: rgba(18, 22, 31, .72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.card { padding: 24px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, .35);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
}
.card p { color: var(--muted); font-size: 14.5px; }

/* --- калькулятор --- */
.calc-card { padding: 26px; }
.calc-title { font-family: var(--font-head); font-weight: 700; font-size: 17px; margin-bottom: 16px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13.5px; font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.chip img { width: 18px; height: 18px; border-radius: 50%; object-fit: cover; }
.chip:hover { border-color: rgba(34, 211, 238, .4); color: var(--text); }
.chip.active { border-color: var(--cyan); background: rgba(34, 211, 238, .12); color: var(--text); }
.field { display: block; }
.field-label { font-size: 12.5px; color: var(--muted); display: block; margin-bottom: 6px; }
.field-row { display: flex; gap: 10px; }
.field-row input {
  flex: 1; min-width: 0;
  height: 54px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 20px; font-weight: 700;
  padding: 0 14px;
}
.field-row input:focus { outline: none; border-color: var(--cyan); }
.field-row select {
  width: 108px;
  height: 54px;
  background: #161b26;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 15px; font-weight: 700;
  padding: 0 10px;
}
.calc-swap { text-align: center; color: var(--cyan); font-size: 20px; padding: 6px 0; }
.calc-comm { min-height: 18px; text-align: right; color: var(--amber); font-size: 12.5px; margin: 8px 0 14px; }
.calc-note { color: var(--muted); font-size: 12px; margin-top: 12px; text-align: center; }

/* --- тикер --- */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 12px 0;
  background: rgba(18, 22, 31, .5);
}
.ticker-track {
  display: inline-flex; gap: 44px;
  white-space: nowrap;
  animation: ticker 32s linear infinite;
  will-change: transform;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { font-size: 14px; color: var(--muted); }
.ticker-item b { color: var(--text); font-family: var(--font-head); }
.ticker-item .up { color: var(--lime); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* --- цифры доверия --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 44px;
}
.stat { text-align: center; }
.stat b { display: block; font-family: var(--font-head); font-size: 28px; font-weight: 800; }
.stat span { color: var(--muted); font-size: 13.5px; }

/* --- сетки --- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); margin-top: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.step-num {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--grad);
  color: #0B0E14;
  font-family: var(--font-head); font-weight: 800; font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.feat-ico { font-size: 26px; margin-bottom: 12px; }

/* --- таблица курсов --- */
.rates-card { padding: 8px 20px; overflow-x: auto; }
.rates-table { width: 100%; border-collapse: collapse; }
.rates-table td {
  padding: 13px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}
.rates-table tr:last-child td { border-bottom: none; }
.rates-table tr { cursor: pointer; transition: background .12s; }
.rates-table tr:hover { background: rgba(34, 211, 238, .06); }
.rates-table .r-rate { text-align: right; font-family: var(--font-head); font-weight: 700; color: var(--lime); }
.rates-table .r-type { color: var(--muted); font-size: 13px; }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 800px; }
.faq-item {
  background: rgba(18, 22, 31, .72);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0 20px;
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 0;
  font-family: var(--font-head); font-weight: 700; font-size: 15px;
  list-style: none;
  position: relative;
}
.faq-item summary::after {
  content: '+';
  position: absolute; right: 0;
  color: var(--cyan); font-size: 20px;
  transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); font-size: 14.5px; padding: 0 0 16px; }

/* --- отзывы --- */
.review-card { display: flex; flex-direction: column; gap: 10px; }
.review-head { display: flex; align-items: center; gap: 12px; }
.review-ava {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--grad);
  color: #0B0E14;
  font-family: var(--font-head); font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.review-name { font-weight: 600; font-size: 14.5px; }
.review-meta { color: var(--muted); font-size: 12px; }
.review-stars { color: var(--amber); font-size: 14px; letter-spacing: 2px; }
.review-text { color: var(--muted); font-size: 14px; }

/* --- страны --- */
.countries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.country-card {
  background: rgba(18, 22, 31, .72);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 10px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  cursor: pointer;
  transition: transform .18s, border-color .18s;
  text-decoration: none;
  color: var(--text);
}
.country-card:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, .4); }
.country-card img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.country-card span { font-family: var(--font-head); font-size: 13.5px; font-weight: 700; }
.country-card .soon { font-family: var(--font-body); font-size: 11px; color: var(--muted); font-weight: 400; }

/* --- партнёры --- */
.partners { display: flex; gap: 12px; flex-wrap: wrap; }
.partner-badge {
  border: 1px dashed rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 10px 20px;
  color: var(--muted);
  font-size: 14px;
}

/* --- финальный CTA --- */
.cta-final { text-align: center; padding-bottom: 64px; }
.cta-final p { color: var(--muted); margin: 10px 0 26px; }

/* --- футер --- */
.footer { border-top: 1px solid var(--border); padding: 40px 0 24px; background: rgba(11, 14, 20, .8); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}
.footer .muted { margin-top: 12px; max-width: 60ch; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--cyan); }
.copy { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 13px; }

/* --- reveal-анимации --- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* --- адаптив --- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .countries-grid { grid-template-columns: repeat(3, 1fr); }
  .nav { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .countries-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding-top: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  .card, .btn, .country-card { transition: none; }
}