/* ============================================
   Reset & design tokens
   ============================================
*/
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent: #7A0019;
  --accent-hover: #9a0020;
  --text: #1f2937;
  --text-muted: #6B7280;
  --border: #E5E7EB;
  --background: #FAFAFA;
  --white: #ffffff;
  --radius: 18px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  display: block;
}

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

/* ============================================
   Layout container
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   Landing wrapper
   ============================================ */
.landing {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  padding: 3rem 0 4rem;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--text);
  margin: 0;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-subtitle {
  max-width: 720px;
  margin: 1.8rem auto 0;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  line-height: 1.7;
  color: var(--text-muted);
}

/* Course meta line (year · semester · ECTS) */
.hero-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

/* Dots are generated automatically, so the markup
   never has to repeat a separator element by hand. */
.hero-meta > span:not(:first-child)::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-inline-end: 0.8rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

/* ============================================
   Quick actions (buttons under the subtitle)
   ============================================ */
.quick-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.quick-action {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.6rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  transition: var(--transition);
}

.quick-action:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.quick-action:active {
  transform: translateY(0);
}

.quick-action img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  object-fit: contain;
}

/* ============================================
   Campus grid
   ============================================ */
.campus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.campus-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: var(--transition);
}

.campus-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.campus-card:active {
  transform: translateY(-2px);
}

.campus-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--background);
}

.campus-card__content {
  padding: 1.8rem 2rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.campus-card__content h2 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.campus-card__content p {
  margin: 0 0 1.6rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.campus-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  margin-top: auto;
}

.campus-card__link::after {
  content: '→';
  transition: var(--transition);
}

.campus-card:hover .campus-card__link {
  gap: 0.7rem;
}

.campus-card:hover .campus-card__link::after {
  transform: translateX(4px);
}

/* ============================================
   Footer
   ============================================ */
.landing-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

.landing-footer img {
  height: 48px;
  width: auto;
  opacity: 0.8;
  transition: var(--transition);
}

.landing-footer img:hover {
  opacity: 1;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  .landing {
    gap: 3rem;
    padding: 2rem 0 3rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-top: 1.2rem;
  }

  .hero-meta {
    font-size: 0.9rem;
    gap: 0.5rem;
  }

  .quick-actions {
    gap: 0.75rem;
  }

  .quick-action {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
  }

  .quick-action img {
    width: 20px;
    height: 20px;
  }

  .campus-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .campus-card__image {
    height: 180px;
  }

  .campus-card__content {
    padding: 1.4rem 1.5rem 1.6rem;
  }

  .campus-card__content h2 {
    font-size: 1.3rem;
  }

  .landing-footer {
    gap: 2rem;
    padding-top: 1.8rem;
  }

  .landing-footer img {
    height: 38px;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 1rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .quick-action {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    gap: 0.5rem;
  }

  .quick-action img {
    width: 18px;
    height: 18px;
  }

  .campus-card__content h2 {
    font-size: 1.15rem;
  }
}

/* ============================================
   Accessibility: reduced motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}