/* ============================================
   TraderX — Общие дизайн-токены и базовые стили
   Подключается во всех block-mockup файлах.
   ============================================ */

:root {
  /* Цвета — фон */
  --bg-page: #F4F5F7;
  --bg-surface: #FFFFFF;
  --bg-subtle: #FAFAFB;
  --bg-dark: #0E1217;

  /* Цвета — текст */
  --text-primary: #0E1217;
  --text-secondary: #5C6370;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* Бренд */
  --brand-primary: #0D79F2;
  --brand-primary-hover: #0B65CC;
  --brand-primary-soft: #E7F1FE;

  /* Системные */
  --success: #22C55E;
  --success-soft: #DCFCE7;
  --warning: #F59E0B;
  --warning-soft: #FEF3C7;
  --danger: #EF4444;
  --danger-soft: #FEE2E2;

  /* Границы */
  --border-default: #E5E7EB;
  --border-soft: #F0F1F3;

  /* Шрифт */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;

  /* Скругления */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-2xl: 32px;
  --r-pill: 9999px;

  /* Тени */
  --shadow-sm: 0 1px 2px rgba(15,18,23,0.04);
  --shadow-md: 0 4px 12px rgba(15,18,23,0.06);
  --shadow-lg: 0 8px 32px rgba(15,18,23,0.08);
  --shadow-card-blue: 0 12px 40px rgba(13,121,242,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: transparent; color: inherit; }

/* ===== Container ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}

/* ===== Header (общий для всех мокапов) ===== */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px;
}
.logo {
  font-size: 20px; font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.logo .x { color: var(--brand-primary); }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 15px; font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.nav a:hover { color: var(--text-primary); }
.header-right { display: flex; align-items: center; gap: 16px; }
.header-phone {
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary);
}
.header-phone:hover { color: var(--text-primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--r-pill);
  font-size: 15px; font-weight: 600;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--brand-primary);
  color: var(--text-inverse);
}
.btn-primary:hover {
  background: var(--brand-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}
.btn-secondary:hover { border-color: var(--text-primary); }
.btn-large { padding: 18px 36px; font-size: 17px; }
.btn-large .arrow { font-size: 20px; transition: transform 0.2s; }
.btn-large:hover .arrow { transform: translateX(4px); }

/* ===== Section header ===== */
.section { padding: 96px 0; }
.section.tight { padding: 72px 0; }
.section-head { margin-bottom: 56px; max-width: 760px; }
.section-head .pre {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600;
  color: var(--brand-primary);
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 8px 14px;
  background: var(--brand-primary-soft);
  border-radius: var(--r-pill);
  margin-bottom: 20px;
}
.section-head .pre .dot {
  width: 6px; height: 6px;
  background: var(--brand-primary);
  border-radius: 50%;
}
.section-head h2 {
  font-size: 48px; font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-head h2 .accent { color: var(--brand-primary); }
.section-head .subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Card (базовая) ===== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--r-xl);
  padding: 32px;
  transition: all 0.3s ease;
}
.card:hover {
  border-color: var(--brand-primary-soft);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card .icon {
  width: 48px; height: 48px;
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.3;
}
.card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Pill / chip ===== */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  border-radius: var(--r-pill);
  font-size: 13px; font-weight: 500;
}
.pill-neutral {
  background: var(--border-soft);
  color: var(--text-secondary);
}

/* ===== Mockup meta footer ===== */
.mockup-meta {
  background: var(--text-primary);
  color: white;
  padding: 16px 32px;
  font-size: 13px;
  text-align: center;
  font-family: var(--font-mono);
}
.mockup-meta a { color: var(--brand-primary); }
.mockup-meta strong { color: white; }

/* ===== Адаптив ===== */
@media (max-width: 768px) {
  .header-inner { padding: 12px 20px; gap: 12px; }
  .nav, .header-phone { display: none; }
  .section { padding: 64px 0; }
  .section-head h2 { font-size: 32px; }
  .section-head .subtitle { font-size: 16px; }
  .card { padding: 24px; }
  .card h3 { font-size: 19px; }
}