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

:root {
  --c-bg:        #ffffff;
  --c-bg-2:      #f4f6fb;
  --c-bg-3:      #e8edf8;
  --c-text:      #111827;
  --c-muted:     #4B5563;
  --c-hint:      #9CA3AF;
  --c-border:    rgba(86,122,198,0.15);
  --c-border-m:  rgba(86,122,198,0.3);
  --c-accent:    #567AC6;
  --c-accent-d:  #3F5FA0;
  --c-accent-l:  #EEF2FB;
  --c-accent-bg: rgba(86,122,198,0.1);
  --font: 'Geologica', system-ui, sans-serif;
  --r-md: 8px;
  --r-lg: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--c-accent);
  border-bottom: none;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 48px;
}
.nav-left { display: flex; flex-direction: column; gap: 2px; }
.nav-uni { font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase; color: rgba(255,255,255,0.6); }
.nav-dept { font-size: 15px; font-weight: 500; letter-spacing: -0.2px; color: #fff; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { font-size: 13px; color: rgba(255,255,255,0.75); transition: color 0.15s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  font-size: 13px; padding: 8px 18px;
  border: 1.5px solid rgba(255,255,255,0.5); border-radius: var(--r-md);
  background: rgba(255,255,255,0.15); color: #fff;
  transition: background 0.15s;
}
.nav-cta:hover { background: rgba(255,255,255,0.28); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: #fff; }
.mobile-menu { display: none; flex-direction: column; border-bottom: 0.5px solid var(--c-border); background: var(--c-accent-d); }
.mobile-menu a { padding: 14px 16px; font-size: 14px; color: rgba(255,255,255,0.8); border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-menu .mob-cta { padding: 14px 16px; font-size: 14px; color: #fff; font-weight: 500; }
.mobile-menu.open { display: flex; }

/* ── HERO ── */
.hero {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 0.5px solid var(--c-border); min-height: 440px;
}
.hero-left {
  padding: 64px 48px; display: flex; flex-direction: column;
  justify-content: center; gap: 20px;
  background: var(--c-accent);
  border-right: none;
}
.hero-tag { font-size: 11px; letter-spacing: 0.8px; text-transform: uppercase; color: rgba(255,255,255,0.65); }
.hero-h1 { font-size: clamp(26px, 3.5vw, 46px); font-weight: 500; line-height: 1.12; letter-spacing: -0.8px; color: #fff; }
.hero-sub { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.75; max-width: 420px; }
.hero-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.btn-p {
  padding: 11px 24px; font-size: 13px; font-family: var(--font);
  background: #fff; color: var(--c-accent);
  border: none; border-radius: var(--r-md); cursor: pointer; display: inline-block;
  font-weight: 500; transition: opacity 0.15s;
}
.btn-p:hover { opacity: 0.88; }
.btn-g {
  padding: 11px 24px; font-size: 13px; font-family: var(--font);
  background: rgba(255,255,255,0.15); color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4); border-radius: var(--r-md);
  cursor: pointer; display: inline-block; transition: background 0.15s;
}
.btn-g:hover { background: rgba(255,255,255,0.25); }

/* Hero right panel — светлый */
.hero-right {
  background: var(--c-bg-2);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 32px 40px; gap: 24px;
  border-left: 3px solid var(--c-accent);
}
.hero-img {
  flex: 1; background: var(--c-bg-3); border: 0.5px solid var(--c-border);
  border-radius: var(--r-lg); display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--c-hint); min-height: 180px;
}
.stats-row { display: flex; }
.stat-item { flex: 1; padding: 16px 0; border-right: 0.5px solid var(--c-border); }
.stat-item:last-child { border-right: none; }
.stat-item + .stat-item { padding-left: 16px; }
.stat-num { font-size: 30px; font-weight: 500; letter-spacing: -0.6px; color: var(--c-accent); }
.stat-label { font-size: 12px; color: var(--c-hint); margin-top: 2px; }

/* ── SECTION SHELL ── */
.section-wrap { border-bottom: 0.5px solid var(--c-border); }
.section-header {
  display: grid; grid-template-columns: 280px 1fr;
  border-bottom: 0.5px solid var(--c-border);
  background: var(--c-accent-l);
}
.section-label {
  padding: 18px 48px; border-right: 2px solid var(--c-accent);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.9px;
  color: var(--c-accent); display: flex; align-items: center; font-weight: 500;
}
.section-desc { padding: 18px 48px; font-size: 13px; color: var(--c-muted); display: flex; align-items: center; }

/* ── ABOUT ── */
.about-body { display: grid; grid-template-columns: 280px 1fr; }
.about-side { padding: 40px 48px; border-right: 0.5px solid var(--c-border); background: var(--c-accent-l); }
.about-content { padding: 40px 48px; display: flex; flex-direction: column; gap: 16px; }
.about-content p { font-size: 14px; color: var(--c-muted); line-height: 1.8; }

/* ── PROGRAMMES ── */
.prog-filter-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 16px 48px; border-bottom: 0.5px solid var(--c-border);
  flex-wrap: wrap; background: var(--c-accent-l);
}
.filter-btn {
  font-size: 12px; font-family: var(--font);
  padding: 6px 14px; border-radius: 20px; cursor: pointer;
  border: 1px solid var(--c-border-m);
  background: #fff; color: var(--c-muted);
  transition: all 0.15s;
}
.filter-btn:hover { background: var(--c-bg-2); color: var(--c-accent); border-color: var(--c-accent); }
.filter-btn.active { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }

.prog-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); }
.prog-card {
  padding: 32px 36px;
  border-right: 0.5px solid var(--c-border);
  border-bottom: 0.5px solid var(--c-border);
  display: flex; flex-direction: column; gap: 10px;
  cursor: pointer; transition: background 0.15s;
  background: #fff;
}
.prog-card:hover { background: var(--c-accent-l); }
.prog-card.hidden { display: none; }
.prog-level { font-size: 10px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--c-accent); font-weight: 500; }
.prog-name { font-size: 15px; font-weight: 500; line-height: 1.3; color: var(--c-text); }
.prog-meta { font-size: 12px; color: var(--c-muted); }
.prog-link { font-size: 12px; color: var(--c-accent); margin-top: auto; padding-top: 8px; font-weight: 500; }

/* ── FACULTY CAROUSEL ── */
.faculty-section { border-bottom: 0.5px solid var(--c-border); }
.faculty-track-outer { overflow: hidden; }
.faculty-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
}
.faculty-slide {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  flex-shrink: 0; width: 100%;
}
.faculty-card {
  padding: 32px 36px;
  border-right: 0.5px solid var(--c-border);
  border-bottom: 0.5px solid var(--c-border);
  display: flex; flex-direction: column; gap: 5px;
  transition: background 0.15s; background: #fff;
}
.faculty-card:hover { background: var(--c-accent-l); }
.faculty-card:last-child { border-right: none; }
.faculty-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--c-accent-bg);
  border: 2px solid var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 500; color: var(--c-accent);
  margin-bottom: 12px; overflow: hidden;
}
.faculty-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.faculty-name { font-size: 14px; font-weight: 500; color: var(--c-text); }
.faculty-title { font-size: 12px; color: var(--c-muted); line-height: 1.5; }
.faculty-field { font-size: 11px; color: var(--c-accent); margin-top: 2px; font-weight: 500; }
.faculty-exp { font-size: 11px; color: var(--c-hint); margin-top: 1px; }
.faculty-exp b { color: var(--c-muted); font-weight: 500; }
.faculty-bio { font-size: 12px; color: var(--c-muted); line-height: 1.65; margin-top: 10px; padding-top: 10px; border-top: 0.5px solid var(--c-border); }

.carousel-controls {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 48px; border-top: 0.5px solid var(--c-border);
  background: var(--c-accent-l);
}
.carousel-dots { display: flex; gap: 6px; align-items: center; }
.carousel-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-border-m); cursor: pointer;
  border: none; transition: background 0.2s, transform 0.2s; padding: 0;
}
.carousel-dot.active { background: var(--c-accent); transform: scale(1.4); }
.carousel-arrows { display: flex; gap: 8px; }
.carousel-arrow {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1.5px solid var(--c-accent); background: transparent;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--c-accent); transition: all 0.15s;
}
.carousel-arrow:hover { background: var(--c-accent); color: #fff; }
.carousel-arrow svg { width: 14px; height: 14px; stroke: currentColor; }

/* ── CTA ── */
.cta-wrap {
  display: grid; grid-template-columns: 1fr 1fr;
  border-bottom: 0.5px solid var(--c-border);
}
.cta-left {
  padding: 64px 48px; display: flex; flex-direction: column; gap: 16px; justify-content: center;
  background: var(--c-accent);
}
.cta-left h2 { font-size: clamp(20px, 2.5vw, 32px); font-weight: 500; letter-spacing: -0.5px; line-height: 1.2; color: #fff; }
.cta-left p { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.75; }
.cta-right {
  background: var(--c-accent-l); padding: 48px;
  display: flex; flex-direction: column; justify-content: center;
  border-left: 3px solid var(--c-accent);
}
.cta-item { display: flex; align-items: flex-start; gap: 12px; padding: 16px 0; border-bottom: 0.5px solid var(--c-border); }
.cta-item:first-child { border-top: 0.5px solid var(--c-border); }
.cta-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); margin-top: 6px; flex-shrink: 0; }
.cta-item-text { font-size: 13px; color: var(--c-muted); line-height: 1.65; }

/* ── FOOTER ── */
footer {
  padding: 24px 48px; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 8px;
  background: var(--c-accent); 
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.6); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,0.6); transition: color 0.15s; }
.footer-links a:hover { color: #fff; }

/* ── TABLET ── */
@media (max-width: 768px) {
  .nav { padding: 14px 24px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-left { padding: 40px 24px 32px; border-right: none; }
  .hero-h1 { font-size: 28px; }
  .hero-right { padding: 24px; border-left: none; border-top: 3px solid var(--c-accent); }
  .hero-img { min-height: 140px; }
  .section-header { grid-template-columns: 1fr; }
  .section-label { padding: 14px 24px; border-right: none; border-bottom: 2px solid var(--c-accent); }
  .section-desc { padding: 12px 24px; font-size: 12px; }
  .about-body { grid-template-columns: 1fr; }
  .about-side { padding: 20px 24px 8px; border-right: none; border-bottom: 0.5px solid var(--c-border); }
  .about-content { padding: 24px; }
  .prog-filter-bar { padding: 14px 24px; }
  .prog-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .prog-card { padding: 24px; }
  .faculty-slide { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .faculty-card:nth-child(2n) { border-right: none; }
  .faculty-card:last-child { border-right: none; }
  .carousel-controls { padding: 14px 24px; }
  .cta-wrap { grid-template-columns: 1fr; }
  .cta-left { padding: 40px 24px 32px; }
  .cta-right { padding: 32px 24px; border-left: none; border-top: 3px solid var(--c-accent); }
  footer { padding: 20px 24px; }
}

/* ── MOBILE ── */
@media (max-width: 480px) {
  .nav { padding: 12px 16px; }
  .hero-left { padding: 28px 16px; }
  .hero-h1 { font-size: 22px; }
  .hero-right { padding: 16px; }
  .hero-img { min-height: 100px; }
  .stat-num { font-size: 22px; }
  .section-label { padding: 12px 16px; }
  .section-desc { display: none; }
  .about-side { padding: 14px 16px 6px; }
  .about-content { padding: 16px; }
  .prog-filter-bar { padding: 12px 16px; }
  .prog-grid { grid-template-columns: 1fr; }
  .prog-card { padding: 20px 16px; border-right: none !important; }
  .faculty-slide { grid-template-columns: 1fr; }
  .faculty-card { border-right: none !important; }
  .carousel-controls { padding: 12px 16px; }
  .cta-left { padding: 28px 16px; }
  .cta-right { padding: 20px 16px; }
  .cta-left h2 { font-size: 20px; }
  footer { padding: 16px; flex-direction: column; align-items: flex-start; }
  .footer-links { display: none; }
  .modal { border-radius: var(--r-md); max-height: 92vh; }
  .modal-header { padding: 20px 20px 16px; }
  .modal-body { padding: 16px 20px; }
  .modal-footer { padding: 14px 20px 20px; }
}