:root {
  --razumnost: #2b59ff;
  --smelost: #e61e72;
  --stoikost: #0fb67a;
  --lyubov: #ff71a6;
  --bg: #0b1020;
  --bg-alt: #0f1530;
  --text: #e8ecf4;
  --muted: #a8b0c2;
  --card: #121939;
  --border: #273056;
  --primary: var(--razumnost);
  --primary-strong: #5b84ff;
  --accent: var(--lyubov);
  --good: var(--stoikost);
  --shadow: 0 10px 30px rgba(0,0,0,0.3);
}

html[data-theme="light"] {
  --bg: #fafbff;
  --bg-alt: #f2f5ff;
  --text: #1a2340;
  --muted: #5b6b94;
  --card: #ffffff;
  --border: #e7ebf7;
  --primary: var(--razumnost);
  --primary-strong: #2b59ff;
  --accent: var(--lyubov);
  --good: var(--stoikost);
  --shadow: 0 10px 25px rgba(24,38,79,0.12);
}

body {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
}

.site-header {
  position: sticky; top: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
}
.logo {
  font-weight: 800; font-size: 18px; letter-spacing: 0.5px;
  color: var(--text);
  margin-right: 20px;
}
.header-main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.nav {
  display: flex; gap: 16px; align-items: center;
  background: color-mix(in oklab, var(--card) 7%, var(--bg-alt) 93%);
  padding: 8px 0;
  border-radius: 16px;
  margin-bottom: 10px;
  justify-content: center;
  flex: 1;
}
.nav a {
  padding: 8px 18px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 500;
  position: relative;
  transition: background .2s, color .2s;
  text-shadow: 0 2px 8px color-mix(in oklab, var(--bg) 10%, transparent);
}
.nav a[href*="razumnost"] { --active-color: var(--razumnost); }
.nav a[href*="smelost"] { --active-color: var(--smelost); }
.nav a[href*="stoikost"] { --active-color: var(--stoikost); }
.nav a[href*="lyubov"] { --active-color: var(--lyubov); }
.nav a.active, .nav a:hover {
  background: linear-gradient(90deg, var(--active-color) 75%, var(--active-color) 0%, transparent 100%);
  color: #fff;
  box-shadow: 0 2px 12px color-mix(in oklab, var(--active-color) 20%, transparent);
  outline: none;
}
.nav a.active::after {
  content: "";
  position: absolute; left: 12px; right: 12px; bottom: 4px; height: 3px;
  border-radius: 2px;
  background: var(--active-color);
  opacity: 0.7;
}

html[data-quality="razumnost"] { --page-color: var(--razumnost); }
html[data-quality="smelost"] { --page-color: var(--smelost); }
html[data-quality="stoikost"] { --page-color: var(--stoikost); }
html[data-quality="lyubov"] { --page-color: var(--lyubov); }

.page-hero h1, .section-title {
  color: var(--page-color, var(--primary));
  text-shadow: 0 2px 12px color-mix(in oklab, var(--page-color) 15%, transparent);
}
.page-hero .eyebrow {
  color: var(--page-color, var(--primary));
}
.page-hero .subtitle {
  color: color-mix(in oklab, var(--page-color) 48%, var(--muted) 52%);
}
.eyebrow, .card .card-icon {
  color: var(--page-color, var(--primary));
}
.card.resource {
  border-left: 6px solid var(--page-color, var(--primary));
  box-shadow: 0 4px 20px color-mix(in oklab, var(--page-color) 12%, transparent);
}
.btn.primary, .btn.small {
  background: linear-gradient(100deg, var(--page-color, var(--primary)), var(--primary));
  color: #fff !important;
  border-color: transparent;
}
.btn.primary:hover, .btn.small:hover {
  filter: brightness(1.04);
}

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 16px; box-shadow: var(--shadow);
}
.card.large { padding: 20px; }
.card .card-icon { font-size: 28px; margin-bottom: 8px; }
.link-card { display: block; position: relative; transition: transform .15s ease; }
.link-card:hover { transform: translateY(-3px); text-decoration: none; }
.link { display: inline-block; margin-top: 8px; color: var(--page-color, var(--primary-strong)); font-weight: 600; }

.header-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 8px 10px; border-radius: 10px; cursor: pointer; box-shadow: var(--shadow);
}
.icon-btn:hover { transform: translateY(-1px); }
.only-mobile { display: none; }

.hero {
  position: relative; overflow: clip;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px;
  padding: 60px 20px; max-width: 1100px; margin: 0 auto;
}
.hero-content { padding: 20px 0; }
.subtitle { color: var(--muted); font-size: 18px; }
.hero-actions { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { position: relative; min-height: 260px; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(30px); opacity: 0.7;
  animation: float 12s ease-in-out infinite;
}
.orb-1 { width: 280px; height: 280px; background: radial-gradient(circle, var(--primary), transparent 60%); top: 20px; right: 10%; animation-delay: 0s; }
.orb-2 { width: 220px; height: 220px; background: radial-gradient(circle, var(--accent), transparent 60%); bottom: 10px; right: 30%; animation-delay: 2s; }
.orb-3 { width: 160px; height: 160px; background: radial-gradient(circle, var(--good), transparent 60%); top: 40%; right: -5%; animation-delay: 4s; }
@keyframes float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-10px);} }

.section { padding: 40px 20px; max-width: 1100px; margin: 0 auto; }
.section.alt { background: color-mix(in oklab, var(--card) 40%, transparent); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { margin-bottom: 16px; }

.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }

.plan details { border-radius: 14px; }
.plan summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.plan summary::-webkit-details-marker { display: none; }
.checklist { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 8px; }
.checklist li { background: color-mix(in oklab, var(--bg) 6%, var(--card)); border: 1px dashed var(--border); border-radius: 12px; padding: 10px; }
.checklist input[type="checkbox"] { margin-right: 8px; transform: translateY(1px); }

.progress {
  font-size: 12px; color: var(--muted); background: color-mix(in oklab, var(--page-color, var(--primary)) 12%, transparent);
  border: 1px solid var(--border); padding: 4px 8px; border-radius: 999px;
}

.site-footer {
  padding: 20px; text-align: center; color: var(--muted);
  border-top: 3px solid var(--page-color, var(--primary));
  background: color-mix(in oklab, var(--page-color, var(--primary)) 7%, transparent);
}

@media (max-width: 980px) {
  .grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid.three { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .hero { grid-template-columns: 1fr; }
  .hero-art { min-height: 220px; }
  .header-main { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .only-mobile { display: inline-block; }
  .nav {
    position: fixed; inset: 58px 12px auto 12px; background: var(--card);
    border: 1px solid var(--border); border-radius: 12px; padding: 12px; flex-direction: column; gap: 8px;
    display: none;
    justify-content: flex-start;
  }
  .nav.open { display: flex; }
}