/* ICOS landing — icos.su */

:root {
  --bg: #0b1220;
  --bg-alt: #111a2e;
  --surface: #162036;
  --surface-2: #1c2844;
  --text: #e8edf7;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.15);
  --gold: #fbbf24;
  --success: #34d399;
  --border: rgba(148, 163, 184, 0.15);
  --radius: 12px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --font: "Manrope", "Segoe UI", system-ui, sans-serif;
  --wrap: min(1120px, calc(100% - 48px));
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #60a5fa; }

.wrap { width: var(--wrap); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}

.logo {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.logo-mark {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.header-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.header-nav a:hover { color: #fff; }

.nav-cta {
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.nav-cta:hover {
  background: var(--accent) !important;
  color: #fff !important;
}

/* Hero */
.hero {
  padding: 72px 0 88px;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(59, 130, 246, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(251, 191, 36, 0.06), transparent),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin: 0 0 12px;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 20px;
  color: #fff;
}

.hero h1 .title-en {
  display: block;
  font-size: 0.55em;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.35em;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--text-muted);
  color: #fff;
}

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Hero visual */
.hero-visual {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-core {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.4);
  z-index: 2;
}

.orbit-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  min-width: 140px;
}

.orbit-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.orbit-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.orbit-1 { top: 8%; left: 5%; }
.orbit-2 { top: 15%; right: 0; }
.orbit-3 { bottom: 10%; left: 15%; }

/* Sections */
.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 0 12px;
  color: #fff;
}

.section-intro {
  color: var(--text-muted);
  max-width: 65ch;
  margin: 0 0 40px;
  font-size: 1.05rem;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.pillar-icon { font-size: 1.75rem; margin-bottom: 12px; }

.pillar h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: #fff;
}

.pillar p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.tracks-title {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0 0 16px;
  font-weight: 600;
}

.track-list { display: flex; flex-direction: column; gap: 12px; }

.track {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.track-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.track strong { color: #fff; display: block; margin-bottom: 4px; }
.track p { margin: 0; font-size: 0.88rem; color: var(--text-muted); }

/* Modules */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}

.module-live {
  border-color: rgba(59, 130, 246, 0.4);
  background: linear-gradient(145deg, var(--surface) 0%, rgba(59, 130, 246, 0.08) 100%);
}

.module-soon { opacity: 0.75; }

.module-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.badge-live {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
}

.badge-soon {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

.module-card h3 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 1.15rem;
}

.module-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.module-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
}

/* DKP section */
.dkp-section { padding-top: 0; }

.dkp-card {
  background: var(--surface-2);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.dkp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.dkp-card-header h2 {
  margin: 0;
  font-size: 1.75rem;
  color: #fff;
}

.dkp-url a {
  font-size: 1.1rem;
  font-weight: 700;
}

.beta-pill {
  background: rgba(251, 191, 36, 0.15);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.3);
  white-space: nowrap;
}

.dkp-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  margin-bottom: 32px;
}

.dkp-desc p {
  color: var(--text-muted);
  margin: 0 0 16px;
}

.dkp-features {
  margin: 0;
  padding-left: 1.2em;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.dkp-features li { margin-bottom: 8px; }

.dkp-disclaimer {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.dkp-disclaimer h3 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--gold);
}

.dkp-disclaimer ul {
  margin: 0 0 16px;
  padding-left: 1.1em;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dkp-disclaimer li { margin-bottom: 8px; }

.legal-links {
  margin: 0;
  font-size: 0.85rem;
}

.dkp-cta {
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.dkp-cta-hint {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Company */
.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.company-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-top: 24px;
}

.company-facts dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.company-facts dd {
  margin: 0;
  font-weight: 600;
  color: #fff;
}

.grant-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.grant-card h3 {
  margin: 0 0 12px;
  color: #fff;
}

.grant-card p,
.grant-card li {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.grant-card ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-brand {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-brand strong { color: #fff; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .pillars,
  .module-grid,
  .dkp-body,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: auto;
    min-height: 0;
    margin-top: 28px;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .orbit-core {
    order: -1;
    align-self: center;
    width: 72px;
    height: 72px;
    font-size: 0.95rem;
    margin-bottom: 4px;
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.35);
  }

  .orbit-card {
    position: static;
    min-width: 0;
    width: 100%;
    max-width: 360px;
    align-self: center;
  }

  .orbit-1,
  .orbit-2,
  .orbit-3 {
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
  }

  .header-nav { display: none; }

  .header-inner { justify-content: center; }
}

@media (max-width: 600px) {
  .company-facts { grid-template-columns: 1fr; }
  .dkp-card { padding: 20px; }
}

/* Legal documents (icos.su/legal/*) */
body.legal-doc { background: var(--bg); }

.legal-wrap {
  padding: 32px 0 64px;
  max-width: 780px;
}

.legal-breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.legal-doc-header h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  color: #fff;
}

.legal-doc-sub {
  margin: 0 0 8px;
  color: var(--text-muted);
}

.legal-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 24px 0 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.legal-subnav a {
  color: var(--text-muted);
}

.legal-subnav a.active,
.legal-subnav a:hover {
  color: var(--accent);
}

.legal-main section { margin-bottom: 28px; }

.legal-main h2 {
  font-size: 1.05rem;
  color: #fff;
  margin: 0 0 10px;
}

.legal-main p,
.legal-main li {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.legal-meta { color: var(--text-muted); font-size: 0.88rem; }

.legal-draft { color: #f87171; font-weight: 600; }

.legal-back {
  margin-top: 40px;
  font-size: 0.9rem;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  color: var(--text-muted);
}

.legal-table th {
  background: var(--surface);
  color: #fff;
}

.news-feed { display: flex; flex-direction: column; gap: 16px; }

.news-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.news-card time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.news-card h3 {
  margin: 8px 0;
  font-size: 1rem;
  color: #fff;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.muted { color: var(--text-muted); font-size: 0.9rem; }

.feedback-contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.legal-header-nav { flex-wrap: wrap; }