/*
  AI Forex design system
  Brand: технологичный, экспертный, спокойный fintech-интерфейс.
  Palette: deep navy background, cyan primary, violet neural accent, lime confirmation.
  Typography: Inter / Manrope for interface, JetBrains Mono for market data.
*/
:root {
  --color-bg: #060912;
  --color-bg-soft: #0d1324;
  --color-bg-elevated: #111827;
  --color-card: rgba(17, 24, 39, 0.82);
  --color-card-solid: #111827;
  --color-primary: #22d3ee;
  --color-primary-strong: #0891b2;
  --color-accent: #8b5cf6;
  --color-accent-soft: rgba(139, 92, 246, 0.16);
  --color-success: #a3e635;
  --color-warning: #fbbf24;
  --color-danger: #fb7185;
  --color-text: #eaf6ff;
  --color-muted: #9fb0c3;
  --color-muted-2: #6f8196;
  --color-line: rgba(125, 211, 252, 0.18);
  --color-line-strong: rgba(34, 211, 238, 0.38);
  --font-sans: "Inter", "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Manrope", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.32);
  --shadow-glow: 0 0 36px rgba(34, 211, 238, 0.18);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --container: 1180px;
  --section: clamp(64px, 8vw, 112px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at 18% 8%, rgba(34, 211, 238, 0.12), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(139, 92, 246, 0.14), transparent 32%),
    linear-gradient(180deg, #060912 0%, #0a1020 48%, #060912 100%);
  line-height: 1.65;
  min-width: 320px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 176, 195, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 176, 195, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 80%);
  z-index: -1;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary); }
img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1.1rem; color: var(--color-muted); }
strong { color: var(--color-text); }
ul, ol { color: var(--color-muted); padding-left: 1.2rem; }
li + li { margin-top: .4rem; }

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  padding: 10px 14px;
  background: var(--color-primary);
  color: #001018;
  border-radius: 999px;
  transform: translateY(-140%);
  z-index: 999;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 24px), 1220px);
  margin: 12px auto 0;
  padding: 12px 14px;
  background: rgba(6, 9, 18, 0.78);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 40px rgba(0,0,0,.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}
.brand-logo { width: 42px; height: 42px; }

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}
.main-nav a {
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--color-muted);
  font-size: .94rem;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-text);
  background: rgba(125, 211, 252, 0.09);
}

.header-cta { display: inline-flex; }
.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  font: 800 .95rem/1 var(--font-sans);
  letter-spacing: -0.01em;
  color: #04111a;
  background: linear-gradient(135deg, var(--color-primary), var(--color-success));
  box-shadow: 0 12px 34px rgba(34, 211, 238, 0.24);
  cursor: pointer;
}
.button:hover { color: #001018; transform: translateY(-1px); }
.button-secondary {
  color: var(--color-text);
  background: rgba(125, 211, 252, 0.08);
  border: 1px solid var(--color-line);
  box-shadow: none;
}
.button-tertiary {
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-line-strong);
  box-shadow: none;
}

main { overflow: hidden; }
.hero,
.page-hero {
  padding: clamp(56px, 9vw, 112px) 0 var(--section);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-primary);
  background: rgba(34, 211, 238, 0.07);
  font: 700 .84rem/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 18px var(--color-success);
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--color-text);
}
h1 {
  max-width: 900px;
  font-size: clamp(2.6rem, 6vw, 5.9rem);
}
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.28rem, 2vw, 1.72rem); }
.lead {
  max-width: 760px;
  margin-top: 22px;
  font-size: clamp(1.05rem, 1.5vw, 1.24rem);
  color: #bed0e0;
}
.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.hero-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 660px;
  margin-top: 28px;
  padding: 16px 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(17, 24, 39, .58);
  color: var(--color-muted);
}
.hero-note span {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(163, 230, 53, .13);
  color: var(--color-success);
  font-family: var(--font-mono);
}

.visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 10px;
  border: 1px solid var(--color-line);
  background: linear-gradient(135deg, rgba(34,211,238,.14), rgba(139,92,246,.13));
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}
.visual-card::after {
  content: "";
  position: absolute;
  inset: 12% -8% auto auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: .08;
  filter: blur(12px);
}
.visual-card img { border-radius: calc(var(--radius-xl) - 8px); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}
.stat-card,
.feature-card,
.step-card,
.text-card,
.pricing-card,
.faq-card,
.contact-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .18);
  backdrop-filter: blur(16px);
}
.stat-card { padding: 18px; }
.stat-number {
  display: block;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.28rem, 2vw, 1.7rem);
  font-weight: 800;
}
.stat-card small { color: var(--color-muted); }

.section { padding: var(--section) 0; }
.section-tight { padding: clamp(42px, 6vw, 72px) 0; }
.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 34px;
}
.section-header p { max-width: 650px; margin-bottom: 0; }
.kicker {
  margin-bottom: 10px;
  color: var(--color-primary);
  font: 800 .82rem/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .09em;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.cards-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card,
.step-card,
.text-card,
.faq-card,
.contact-card { padding: clamp(22px, 3vw, 32px); }
.feature-card:hover,
.step-card:hover,
.text-card:hover { border-color: var(--color-line-strong); transform: translateY(-2px); transition: .18s ease; }
.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(34,211,238,.18), rgba(139,92,246,.18));
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 900;
}
.feature-card h3,
.step-card h3,
.text-card h3 { margin-bottom: 12px; }
.feature-card p,
.step-card p,
.text-card p { margin-bottom: 0; }

.two-column {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
}
.two-column.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.panel {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(17, 24, 39, .86), rgba(13, 19, 36, .72));
  box-shadow: var(--shadow-soft);
}
.panel h2 { margin-bottom: 18px; }
.panel .button { margin-top: 12px; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; }
.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--color-muted);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-success);
  font-weight: 900;
}

.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.step-card { position: relative; }
.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-block;
  margin-bottom: 20px;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-weight: 900;
}

.market-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-line);
}
.market-item {
  padding: 18px;
  background: rgba(17, 24, 39, .9);
}
.market-item span { display: block; color: var(--color-muted); font-size: .86rem; }
.market-item strong { font-family: var(--font-mono); font-size: 1.12rem; }
.market-item em { color: var(--color-success); font-style: normal; font-family: var(--font-mono); }
.market-item .down { color: var(--color-danger); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  color: var(--color-muted-2);
  font-size: .92rem;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--color-muted-2); }

.page-hero h1 { max-width: 940px; }
.page-hero .lead { max-width: 780px; }

.article-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
}
.article-flow article {
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: rgba(17, 24, 39, .72);
}
.article-flow article h2 { margin: 34px 0 16px; }
.article-flow article h2:first-child { margin-top: 0; }
.article-flow article h3 { margin: 26px 0 10px; }
.sidebar {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 16px;
}
.sidebar .text-card { padding: 22px; }
.sidebar a { color: var(--color-primary); }

.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  background: rgba(6,9,18,.55);
}
th, td {
  padding: 16px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}
th { color: var(--color-text); font-family: var(--font-mono); font-size: .9rem; }
td { color: var(--color-muted); }
tr:last-child td { border-bottom: 0; }

.quote-panel {
  margin: 28px 0;
  padding: 24px;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: rgba(34, 211, 238, .07);
  color: #cfe7f5;
}

.cta-band {
  padding: clamp(32px, 6vw, 54px);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 85% 10%, rgba(163,230,53,.16), transparent 26%),
    linear-gradient(135deg, rgba(34,211,238,.12), rgba(139,92,246,.13));
  box-shadow: var(--shadow-soft);
}
.cta-band p { max-width: 720px; }

.faq-list { display: grid; gap: 14px; }
details.faq-card { padding: 0; overflow: hidden; }
details summary {
  cursor: pointer;
  padding: 22px 26px;
  color: var(--color-text);
  font-weight: 800;
}
details p { padding: 0 26px 22px; margin: 0; }

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 5vw, 54px);
  align-items: start;
}
.form-card {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-card);
  box-shadow: var(--shadow-soft);
}
.form-grid { display: grid; gap: 16px; }
label { display: grid; gap: 8px; color: var(--color-text); font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  color: var(--color-text);
  background: rgba(6, 9, 18, .7);
  font: 500 1rem/1.4 var(--font-sans);
  outline: none;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .10);
}
.form-note { font-size: .92rem; color: var(--color-muted-2); }

.site-footer {
  margin-top: var(--section);
  padding: 38px 0 46px;
  border-top: 1px solid var(--color-line);
  background: rgba(6, 9, 18, .78);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr .8fr;
  gap: 26px;
  align-items: start;
}
.footer-grid h2,
.footer-grid h3 { font-size: 1.08rem; letter-spacing: -0.02em; margin-bottom: 12px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: var(--color-muted); }
.disclaimer {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted-2);
  font-size: .9rem;
}

:focus-visible {
  outline: 3px solid rgba(34, 211, 238, .72);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    border-radius: 28px;
    flex-wrap: wrap;
  }
  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-top: 4px;
  }
  .hero-grid,
  .two-column,
  .two-column.reverse,
  .article-flow,
  .contact-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .cards-grid,
  .cards-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .market-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .site-header { margin-top: 8px; padding: 10px; }
  .brand-logo { width: 38px; height: 38px; }
  .header-cta { width: 100%; }
  .header-cta .button { width: 100%; }
  .main-nav a { padding: 8px 10px; font-size: .9rem; }
  .hero, .page-hero { padding-top: 46px; }
  .hero-actions, .section-actions { flex-direction: column; }
  .button { width: 100%; }
  .stats-row,
  .cards-grid,
  .cards-grid.two,
  .steps,
  .market-strip,
  .footer-grid { grid-template-columns: 1fr; }
  .section-header { display: block; }
  .section-header p { margin-top: 14px; }
  .article-flow article { padding: 22px; }
  .footer-grid { gap: 22px; }
}

@media (prefers-reduced-motion: no-preference) {
  .button, .feature-card, .step-card, .text-card { transition: transform .18s ease, border-color .18s ease, color .18s ease; }
}

.contact-side-cards { margin-top: 18px; }