/* Institut TUSI - Shared Brand Styling */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Core Brand Colors */
  --accent: #c9a962;
  --accent-soft: rgba(201, 169, 98, 0.12);
  --accent-glow: rgba(201, 169, 98, 0.20);
  
  /* Typography */
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  
  /* Seal size */
  --seal-size: 40px;
}

/* Seal - Institute Mark */
.seal { 
  display: inline-block;
  padding-bottom: 10px;
  font-family: var(--font-display);
  font-size: calc(var(--seal-size) * 1); 
  color: var(--accent);
}

body.light-mode .seal,
html.light .seal {
  color: var(--accent);
}

/* Brand Mark - Used in headers */
.brand-mark { 
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.brand-mark .seal {
  font-size: 2rem;
  padding-bottom: 0;
}

.brand-mark span {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Institute Mark - Alternative horizontal layout */
.institute-mark {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.institute-mark::before,
.institute-mark::after {
  content: "";
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

/* Program Badge */
.program-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--surface, #161a21);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.06));
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary, #94a3b8);
}

.program-badge::before {
  content: "◆";
  font-size: 0.6rem;
  color: var(--accent);
}

/* Shared Button Styles */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent), #b8942d);
  color: #0c0f14;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 200ms, box-shadow 200ms;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--text, #f1f5f9);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.06));
  border-radius: 999px;
  cursor: pointer;
  transition: all 200ms;
}

.btn-secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* Card Styles */
.card {
  background: var(--surface, #161a21);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.06));
  border-radius: 18px;
  padding: 28px;
}

.card h2,
.card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Section Headers */
.section-header {
  margin-bottom: 36px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text, #f1f5f9);
}

.section-header p {
  color: var(--text-secondary, #94a3b8);
  font-size: 1rem;
}

/* Footer Styles */
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Quote Styles */
.quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-secondary, #94a3b8);
  border-left: 2px solid var(--accent);
  padding-left: 18px;
  line-height: 1.8;
}

/* Utility Classes */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-secondary, #94a3b8); }
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }

/* Responsive utilities */
@media (max-width: 768px) {
  .brand-mark span {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
  }
  
  .institute-mark {
    font-size: 0.75rem;
  }
  
  .institute-mark::before,
  .institute-mark::after {
    width: 32px;
  }
}