/* Токены и типографика — по дизайн-сетапу Allegro Analytics (interface v2):
   zinc-палитра в OKLCH, Geist, радиус 10px, карточки rounded-xl border bg-card. */

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.141 0.005 285.823);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.141 0.005 285.823);
  --primary: oklch(0.21 0.006 285.885);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.967 0.001 286.375);
  --secondary-foreground: oklch(0.21 0.006 285.885);
  --muted: oklch(0.967 0.001 286.375);
  --muted-foreground: oklch(0.552 0.016 285.938);
  --border: oklch(0.92 0.004 286.32);
  --ring: oklch(0.705 0.015 286.067);
  --radius: 0.625rem;
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --background: oklch(0.141 0.005 285.823);
    --foreground: oklch(0.985 0 0);
    --card: oklch(0.21 0.006 285.885);
    --card-foreground: oklch(0.985 0 0);
    --primary: oklch(0.92 0.004 286.32);
    --primary-foreground: oklch(0.21 0.006 285.885);
    --secondary: oklch(0.274 0.006 286.033);
    --secondary-foreground: oklch(0.985 0 0);
    --muted: oklch(0.274 0.006 286.033);
    --muted-foreground: oklch(0.705 0.015 286.067);
    --border: oklch(1 0 0 / 10%);
    --ring: oklch(0.552 0.016 285.938);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --background: oklch(0.141 0.005 285.823);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.21 0.006 285.885);
  --card-foreground: oklch(0.985 0 0);
  --primary: oklch(0.92 0.004 286.32);
  --primary-foreground: oklch(0.21 0.006 285.885);
  --secondary: oklch(0.274 0.006 286.033);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.274 0.006 286.033);
  --muted-foreground: oklch(0.705 0.015 286.067);
  --border: oklch(1 0 0 / 10%);
  --ring: oklch(0.552 0.016 285.938);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  border-color: var(--border);
}

html,
body {
  margin: 0;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: "Geist", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Шапка */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--background);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 56px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.nav a {
  color: var(--muted-foreground);
  text-decoration: none;
}

.nav a:hover {
  color: var(--foreground);
}

/* Первый экран */
.hero {
  padding-top: 48px;
  padding-bottom: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--muted-foreground);
}

h1 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  margin: 40px 0 16px;
  font-size: 20px;
  font-weight: 600;
}

h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.lead {
  max-width: 560px;
  margin: 0 0 24px;
  color: var(--muted-foreground);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn-outline {
  border-color: var(--border);
  background: var(--background);
  color: var(--foreground);
}

.btn:hover {
  opacity: 0.9;
}

/* Карточки */
.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.grid.two {
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--card);
  color: var(--card-foreground);
  padding: 16px;
}

.card p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 14px;
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  background: var(--secondary);
  color: var(--secondary-foreground);
  font-size: 14px;
  font-weight: 600;
}

.link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
}

.muted {
  color: var(--muted-foreground);
}

/* Подвал */
.site-footer {
  margin-top: 56px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Планшет и десктоп */
@media (min-width: 640px) {
  .hero {
    padding-top: 72px;
  }

  h1 {
    font-size: 40px;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid.two {
    grid-template-columns: repeat(2, 1fr);
  }

  .card {
    padding: 20px;
  }

  .foot {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Тач-экраны: кнопки крупнее */
@media (pointer: coarse) {
  .btn {
    height: 48px;
  }
}