/* Базовая визуальная система каркаса Website: тёмная тема, навигация и адаптивная сетка. */
:root {
  color-scheme: dark;
  --site-bg: #0a0a0a;
  --site-panel: #151515;
  --site-panel-soft: #1b1b1b;
  --site-border: #333;
  --site-text: #ededed;
  --site-muted: #a2a2a2;
  --site-accent: #c0a050;
  --site-accent-light: #e0c878;
}

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

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--site-bg);
  color: var(--site-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; text-decoration: none; }

.site-shell { min-height: 100vh; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(192, 160, 80, 0.22);
  background: rgba(10, 10, 10, 0.94);
  backdrop-filter: blur(16px);
}

.site-header-inner {
  width: min(1240px, calc(100% - 2rem));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 0 0 auto;
}

.site-brand-mark {
  color: var(--site-accent-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.28em;
}

.site-brand-name {
  color: var(--site-text);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.site-nav-link {
  padding: 0.55rem 0.62rem;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--site-muted);
  font-size: 0.78rem;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.site-nav-link[aria-current="page"] {
  border-color: rgba(192, 160, 80, 0.55);
  background: rgba(192, 160, 80, 0.1);
  color: var(--site-accent-light);
  outline: none;
}

.site-main {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.5rem 0 5rem;
}

.site-hero {
  min-height: 430px;
  display: grid;
  align-content: center;
  gap: 1.25rem;
  padding: clamp(2rem, 7vw, 5.5rem);
  border: 1px solid var(--site-border);
  border-radius: 20px;
  background:
    radial-gradient(circle at 85% 20%, rgba(192, 160, 80, 0.2), transparent 34%),
    linear-gradient(135deg, #1a1a1a, #0f0f0f 65%);
}

.site-eyebrow {
  margin: 0;
  color: var(--site-accent-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.site-hero h1,
.site-section-heading h2,
.documents-hero h1 {
  max-width: 800px;
  margin: 0;
  color: #fff;
  font-size: clamp(2.1rem, 6vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.site-lead {
  max-width: 680px;
  margin: 0;
  color: var(--site-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.65;
}

.site-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.site-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1rem;
  border: 1px solid var(--site-accent);
  border-radius: 8px;
  background: var(--site-accent);
  color: #111;
  font-size: 0.9rem;
  font-weight: 700;
  transition: background 0.15s ease, transform 0.15s ease;
}

.site-button:hover,
.site-button:focus-visible { background: var(--site-accent-light); outline: none; transform: translateY(-1px); }

.site-button.secondary { background: transparent; color: var(--site-accent-light); }

.site-section { padding-top: 5.5rem; }

.site-section-heading { display: grid; gap: 0.8rem; margin-bottom: 1.5rem; }
.site-section-heading h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
.site-section-heading p { max-width: 680px; margin: 0; color: var(--site-muted); line-height: 1.6; }

.site-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.site-card {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--site-border);
  border-radius: 14px;
  background: var(--site-panel);
}

.site-card:hover { border-color: rgba(192, 160, 80, 0.6); }
.site-card h3 { margin: 0; color: #fff; font-size: 1.1rem; }
.site-card p { margin: 0; color: var(--site-muted); line-height: 1.5; }
.site-card-link { color: var(--site-accent-light); font-size: 0.86rem; font-weight: 700; }

.site-footer {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--site-border);
  color: var(--site-muted);
  font-size: 0.8rem;
}

.documents-hero { display: grid; gap: 1rem; padding-bottom: 2.5rem; }
.documents-hero h1 { font-size: clamp(2rem, 5vw, 4rem); }
.documents-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.document-card { min-height: 220px; }
.document-card.is-available { border-color: rgba(192, 160, 80, 0.65); }
.document-card-status { color: var(--site-accent-light); font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase; }

@media (max-width: 980px) {
  .site-header-inner { align-items: flex-start; padding: 0.8rem 0; flex-direction: column; }
  .site-nav { justify-content: flex-start; }
  .site-main { padding-top: 2rem; }
  .site-card-grid, .documents-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .site-header-inner, .site-main, .site-footer { width: min(100% - 1.25rem, 1240px); }
  .site-nav-link { padding: 0.45rem 0.5rem; font-size: 0.72rem; }
  .site-hero { min-height: 360px; padding: 1.5rem; border-radius: 14px; }
  .site-card-grid, .documents-grid { grid-template-columns: 1fr; }
}