/*
Theme Name: AI Dark Welcome
Theme URI: https://ortokappa.ru/
Author: ChatGPT
Description: Тёмная минималистичная тема с приветствием от искусственного интеллекта.
Version: 1.0.0
Text Domain: ai-dark-welcome
*/

:root {
  --bg: #070914;
  --bg-soft: #0d1224;
  --card: rgba(255,255,255,.075);
  --text: #f4f7fb;
  --muted: #a8b3c7;
  --accent: #7c5cff;
  --accent-2: #00e0ff;
  --line: rgba(255,255,255,.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(124, 92, 255, .35), transparent 32rem),
    radial-gradient(circle at 85% 25%, rgba(0, 224, 255, .22), transparent 28rem),
    linear-gradient(145deg, #05060d 0%, #0a1022 54%, #05070f 100%);
}

a { color: inherit; }
.site-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  text-decoration: none;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 38px rgba(124,92,255,.38);
}
.header-note {
  color: var(--muted);
  font-size: 14px;
}
.hero {
  min-height: calc(100vh - 110px);
  display: grid;
  align-items: center;
  padding: 64px 0 96px;
}
.hero-card {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 7vw, 88px);
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.035));
  box-shadow: 0 28px 90px rgba(0,0,0,.42);
  backdrop-filter: blur(22px);
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(124,92,255,.28), transparent 35%, rgba(0,224,255,.18));
  opacity: .85;
}
.hero-content { position: relative; z-index: 1; max-width: 850px; }
.eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 24px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(0,0,0,.22);
}
.pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #00ffb2;
  box-shadow: 0 0 22px #00ffb2;
}
h1 {
  margin: 0;
  font-size: clamp(44px, 9vw, 104px);
  line-height: .92;
  letter-spacing: -.075em;
}
.gradient-text {
  background: linear-gradient(90deg, #fff, #b7c7ff 42%, #75efff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.55;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 700;
}
.button.primary {
  border: none;
  color: #06101a;
  background: linear-gradient(135deg, #fff, #79edff);
}
.button.secondary { background: rgba(255,255,255,.07); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 54px;
}
.feature {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(0,0,0,.2);
}
.feature strong { display: block; margin-bottom: 8px; }
.feature span { color: var(--muted); line-height: 1.5; }
.site-footer {
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
@media (max-width: 760px) {
  .site-header { align-items: flex-start; gap: 16px; flex-direction: column; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-card { border-radius: 26px; }
}