/* Custom Design System for SIA Dymka (dymka.org) */
:root {
  --bg-dark: #090d16;
  --bg-card: rgba(22, 28, 45, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(148, 163, 184, 0.25);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cat-eye: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-smoke: #cbd5e1;
  --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --smoke-gradient: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 100%);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.37);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(148, 163, 184, 0.05) 0%, transparent 50%),
    var(--bg-dark);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

a {
  color: var(--accent-cat-eye);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #fbbf24;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
}

.brand-logo {
  height: 42px;
  width: auto;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-highlight);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #000;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-highlight);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cat-eye);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-cat-eye);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-logo-img {
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem;
  display: block;
  border-radius: 50%;
  box-shadow: var(--shadow-glow), 0 0 40px rgba(0,0,0,0.5);
  border: 2px solid var(--border-highlight);
  background: #1e293b;
  padding: 4px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Section styling */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-card);

}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-cat-eye);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Legal Info Spec Box */
.legal-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 1rem;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.legal-item-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.legal-item-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* App badge styling */
.app-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.play-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.2rem;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.85rem;
  margin-top: 1.5rem;
  align-self: flex-start;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: rgba(5, 8, 14, 0.95);
  padding: 3rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
}

/* Minimal legal document pages */
.doc-page {
  padding: 4rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem 2.5rem;
}

.doc-title {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.doc-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  display: block;
}

.doc-section {
  margin-bottom: 2rem;
}

.doc-section h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--accent-cat-eye);
}

.doc-section p, .doc-section ul {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 1rem;
}

.doc-section ul {
  padding-left: 1.5rem;
}

/* Responsive navigation */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(9, 13, 22, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.open {
    display: flex;
  }
  .hero {
    padding: 3rem 0 2rem;
  }
  .doc-card {
    padding: 1.75rem 1.25rem;
  }
}