/* ============================================
   VARIABLES
   ============================================ */
:root {
  --bg-primary: #080c1a;
  --bg-secondary: #0d1530;
  --bg-card: #0f1628;
  --accent-blue: #1a6dff;
  --accent-purple: #b91cff;
  --gradient: linear-gradient(135deg, #1a6dff 0%, #b91cff 100%);
  --gradient-text: linear-gradient(135deg, #4d9fff 0%, #d466ff 100%);
  --text-primary: #ffffff;
  --text-secondary: #8899bb;
  --border: rgba(255,255,255,0.07);
  --card-border: rgba(26,109,255,0.2);
  --glow-blue: rgba(26,109,255,0.3);
  --glow-purple: rgba(185,28,255,0.3);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --section-py: 80px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
p { color: var(--text-secondary); font-size: 1rem; line-height: 1.75; }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   LAYOUT
   ============================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-py) 0; }
.section--dark { background: var(--bg-secondary); }

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-height);
  transition: background var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: rgba(8,12,26,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.logo img { height: 48px; width: auto; }

.nav { margin-left: auto; }
.nav ul { display: flex; gap: 4px; align-items: center; }
.nav a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  padding: 8px 14px; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav a:hover, .nav a.active { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav a.nav-cta { background: var(--gradient); color: #fff; padding: 8px 18px; }
.nav a.nav-cta:hover { opacity: 0.9; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: all var(--transition); border: none; white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 0 30px var(--glow-blue); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px var(--glow-blue); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid rgba(185,28,255,0.5); }
.btn-outline:hover { background: rgba(185,28,255,0.1); border-color: var(--accent-purple); transform: translateY(-2px); }

/* ============================================
   HERO
   ============================================ */
.hero { position: relative; min-height: 82vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img, .hero-bg video { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8,12,26,0.88) 0%, rgba(13,21,48,0.7) 50%, rgba(8,12,26,0.88) 100%);
}
.hero-glow-left {
  position: absolute; top: 20%; left: -10%; width: 40%; height: 60%;
  background: radial-gradient(circle, rgba(26,109,255,0.22) 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow-right {
  position: absolute; top: 10%; right: -10%; width: 40%; height: 60%;
  background: radial-gradient(circle, rgba(185,28,255,0.22) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; padding-top: var(--header-height); }
.hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--accent-blue); margin-bottom: 24px;
}
.hero-label::before { content: ''; display: block; width: 32px; height: 2px; background: var(--accent-blue); }
.hero h1 { margin-bottom: 24px; }
.hero-sub { font-size: 1.15rem; color: var(--text-secondary); max-width: 580px; margin-bottom: 40px; line-height: 1.75; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header p { margin-top: 16px; font-size: 1.05rem; }

/* ============================================
   ROLES GRID
   ============================================ */
.roles-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.role-card {
  background: var(--bg-card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.role-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient); opacity: 0; transition: opacity var(--transition);
}
.role-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.role-card:hover::before { opacity: 1; }
.role-icon { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.role-card h3 { margin-bottom: 12px; }

/* ============================================
   STATS
   ============================================ */
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; }
.stat-number {
  font-size: 2.5rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  display: block; margin-bottom: 8px;
}
.stat-label { font-size: 0.88rem; color: var(--text-secondary); }

/* ============================================
   VIDEO BLOCK
   ============================================ */
.video-wrap { max-width: 900px; margin: 0 auto; }
.video-block {
  position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 16/9;
  border: 1px solid var(--card-border); box-shadow: 0 0 80px rgba(26,109,255,0.15);
}
.video-block video { width: 100%; height: 100%; object-fit: cover; }
.video-caption { text-align: center; margin-top: 16px; font-size: 0.9rem; color: var(--text-secondary); }

/* ============================================
   NAV CARDS
   ============================================ */
.nav-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.nav-card {
  position: relative; border-radius: 16px; overflow: hidden;
  aspect-ratio: 4/3; display: flex; align-items: flex-end;
  transition: transform var(--transition);
}
.nav-card:hover { transform: scale(1.02); }
.nav-card-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.nav-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(8,12,26,0.92) 0%, transparent 60%); }
.nav-card-content { position: relative; z-index: 1; padding: 24px; width: 100%; }
.nav-card-content h3 { margin-bottom: 8px; }
.nav-card-content p { font-size: 0.85rem; margin-bottom: 16px; }
.nav-card-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--accent-blue); transition: gap var(--transition); }
.nav-card:hover .nav-card-arrow { gap: 10px; }

/* ============================================
   CTA SECTION
   ============================================ */
.cta-box {
  background: linear-gradient(135deg, rgba(26,109,255,0.1) 0%, rgba(185,28,255,0.1) 100%);
  border: 1px solid var(--card-border); border-radius: 24px;
  padding: 80px 40px; text-align: center;
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { font-size: 1.1rem; max-width: 500px; margin: 0 auto 36px; }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: var(--bg-secondary); border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.page-hero-glow {
  position: absolute; top: -50%; right: -10%;
  width: 50%; height: 200%;
  background: radial-gradient(circle, rgba(185,28,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.13; }
.page-hero-bg-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(6,9,20,0.94) 0%, rgba(10,16,38,0.9) 100%); }
.page-hero h1 { margin-bottom: 16px; text-shadow: 0 2px 20px rgba(0,0,0,0.55); }
.page-hero .gradient-text { background: linear-gradient(135deg, #6fb2ff 0%, #e58bff 100%); -webkit-background-clip: text; background-clip: text; }
.page-hero p { font-size: 1.1rem; max-width: 600px; color: #e8edf7; text-shadow: 0 1px 12px rgba(0,0,0,0.6); }

/* ============================================
   STAGES (discipline)
   ============================================ */
.stages { display: flex; flex-direction: column; gap: 24px; }
.stage {
  display: grid; grid-template-columns: 72px 1fr; gap: 28px; align-items: start;
  padding: 36px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px;
}
.stage-number {
  font-size: 3rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.stage h3 { margin-bottom: 10px; }

/* ============================================
   DIRECTIONS (discipline)
   ============================================ */
.directions-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.direction-card {
  background: var(--bg-card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 36px;
}
.direction-card h3 { margin-bottom: 16px; font-size: 1.3rem; }

/* ============================================
   BENEFITS (partners)
   ============================================ */
.benefits-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.benefit-card {
  background: var(--bg-card); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 28px;
}
.benefit-icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.benefit-card h3 { margin-bottom: 10px; }

.target-list { display: flex; flex-direction: column; gap: 10px; }
.target-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: 10px;
  color: var(--text-secondary); font-size: 0.95rem;
}
.target-item::before { content: '✦'; color: var(--accent-blue); flex-shrink: 0; }

.steps-list { display: flex; flex-direction: column; gap: 16px; }
.step-item {
  display: grid; grid-template-columns: 48px 1fr; gap: 20px; align-items: center;
  padding: 22px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
}
.step-num {
  width: 48px; height: 48px; background: var(--gradient); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; flex-shrink: 0;
}
.step-item p { margin: 0; font-size: 0.95rem; }

/* ============================================
   NEWS
   ============================================ */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.news-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 22px; }
.news-date { font-size: 0.78rem; color: var(--accent-blue); font-weight: 600; margin-bottom: 10px; display: block; text-transform: uppercase; letter-spacing: 0.05em; }
.news-card h3 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.45; }
.news-card p { font-size: 0.88rem; margin-bottom: 18px; }
.read-more { font-size: 0.85rem; font-weight: 600; color: var(--accent-blue); display: inline-flex; align-items: center; gap: 4px; transition: gap var(--transition); }
.news-card:hover .read-more { gap: 8px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent-blue); }
.footer-copy { font-size: 0.85rem; color: var(--text-secondary); }

/* ============================================
   FADE-UP ANIMATION
   ============================================ */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .roles-grid, .nav-cards, .news-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  :root { --section-py: 50px; }

  .nav {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    background: rgba(8,12,26,0.98); backdrop-filter: blur(20px);
    padding: 20px 24px 32px; border-bottom: 1px solid var(--border);
    transform: translateY(-110%); opacity: 0; pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav ul { flex-direction: column; align-items: stretch; }
  .nav a { padding: 14px; font-size: 1rem; }
  .burger { display: flex; }

  .roles-grid, .nav-cards, .news-grid, .benefits-grid, .directions-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stage { grid-template-columns: 1fr; gap: 16px; }
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; text-align: center; }
  .cta-box { padding: 50px 24px; }
  .step-item { grid-template-columns: 1fr; }
  .step-num { width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}