/* ================================================================
   BLACKTHORN UNIVERSITY — LANDING PAGE STYLES
   ================================================================ */

/* ── Site Header / Hero ── */
.site-header {
  background: linear-gradient(180deg, #0c0c12 0%, var(--color-bg-surface) 100%);
  border-bottom: 1px solid var(--color-border-gold);
  padding: var(--space-16) var(--space-8) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.university-crest-img {
  width: 190px;
  height: auto;
  margin: 0 auto var(--space-5);
  filter: drop-shadow(0 6px 24px rgba(0,0,0,0.6));
  position: relative;
  z-index: 1;
}

.motto {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  letter-spacing: 0.08em;
  color: var(--color-gold-light);
  margin-bottom: var(--space-3);
  position: relative;
  z-index: 1;
}

.motto::before,
.motto::after {
  content: '·';
  color: var(--color-silver-mid);
  margin: 0 var(--space-3);
}

.university-name {
  font-size: clamp(var(--text-2xl), 6vw, var(--text-3xl));
  color: var(--color-gold);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.university-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.course-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: rgba(201,168,76,0.08);
  border: 1px solid var(--color-border-gold);
  padding: var(--space-2) var(--space-5);
  border-radius: 100px;
  margin-bottom: var(--space-8);
}

.hero-description {
  max-width: 560px;
  margin: 0 auto;
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Course Progress Summary ── */
.course-progress-bar {
  max-width: 860px;
  margin: var(--space-10) auto 0;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.course-progress-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.course-progress-label strong {
  color: var(--color-gold);
  font-size: var(--text-md);
}

.course-progress-track {
  flex: 1;
  height: 6px;
  background: var(--color-progress-bg);
  border-radius: 3px;
  overflow: hidden;
}

.course-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(201,168,76,0.35);
}

/* ── Main Content ── */
.course-main {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-8) var(--space-16);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

/* ── Class Cards Grid ── */
.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-5);
}

.class-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.class-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold-dim), transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.class-card:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.class-card:hover::before { opacity: 1; }

.class-card.card-complete {
  border-color: var(--color-success-border);
  background: linear-gradient(135deg, var(--color-bg-surface) 0%, var(--color-success-bg) 100%);
}

.class-card.card-complete::before {
  background: linear-gradient(90deg, transparent, var(--color-success), transparent);
  opacity: 0.5;
}

/* ── Card Header ── */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-number {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--color-border);
  line-height: 1;
  transition: color 0.2s ease;
}

.class-card:hover .card-number { color: var(--color-gold-dim); }
.class-card.card-complete .card-number { color: var(--color-success-border); }

/* ── Status Badges ── */
.status-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  border: 1px solid;
}

.badge-unstarted {
  color: var(--color-text-muted);
  border-color: var(--color-border);
  background: transparent;
}

.badge-progress {
  color: var(--color-gold);
  border-color: var(--color-border-gold);
  background: rgba(201,168,76,0.08);
}

.badge-complete {
  color: var(--color-success);
  border-color: var(--color-success-border);
  background: var(--color-success-bg);
}

/* ── Card Body ── */
.card-title {
  font-size: var(--text-lg);
  color: var(--color-text-heading);
  margin: 0;
}

.card-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-4);
}

.card-meta span::before {
  margin-right: var(--space-1);
}

/* ── Card Link ── */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gold);
  margin-top: var(--space-2);
  transition: gap 0.15s ease, color 0.15s ease;
}

.card-link:hover {
  color: var(--color-gold-light);
  text-decoration: none;
  gap: var(--space-3);
}

.class-card.card-complete .card-link { color: var(--color-success); }
.class-card.card-complete .card-link:hover { color: #5cb87a; }

/* ── Site Footer ── */
.site-footer {
  text-align: center;
  padding: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer a { color: var(--color-text-muted); }
.site-footer a:hover { color: var(--color-gold); text-decoration: none; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .site-header { padding: var(--space-10) var(--space-5) var(--space-8); }
  .course-main { padding: var(--space-8) var(--space-5) var(--space-12); }
  .class-grid  { grid-template-columns: 1fr; }
  .course-progress-bar { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
}