/* ==========================================================================
   Campus Ledger — Education & Courses / Institute Connect
   Deep teal brand, warm amber accent, student-first layout.
   ========================================================================== */

:root {
  --cl-primary: var(--theme-primary, #0F3D3E);
  --cl-accent: var(--theme-accent, #E8A838);
  --cl-on-primary: var(--theme-text-on-primary, #ffffff);
  --cl-ink: #102A2B;
  --cl-muted: #5A6B6C;
  --cl-bg: #F3F1EA;
  --cl-panel: #FFFFFF;
  --cl-line: rgba(15, 61, 62, 0.12);
  --cl-font-display: 'Fraunces', Georgia, serif;
  --cl-font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --cl-container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--cl-font-body);
  background: var(--cl-bg);
  color: var(--cl-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--cl-font-display);
  font-weight: 650;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.cl-container {
  width: min(100% - 2rem, var(--cl-container));
  margin-inline: auto;
}

.cl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 650;
  font-size: 0.95rem;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.cl-btn:hover { transform: translateY(-1px); }
.cl-btn-accent { background: var(--cl-accent); color: #1a1408; }
.cl-btn-accent:hover { background: #f0b84a; }
.cl-btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.45);
  color: #fff;
}
.cl-btn-outline:hover { background: rgba(255,255,255,.1); }
.cl-btn-solid {
  background: var(--cl-primary);
  color: var(--cl-on-primary);
}

.cl-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cl-accent);
  margin-bottom: 0.75rem;
}

/* Nav */
.cl-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 241, 234, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--cl-line);
}
.cl-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}
.cl-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--cl-font-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.cl-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--cl-primary);
  color: var(--cl-accent);
  display: grid;
  place-items: center;
  font-family: var(--cl-font-display);
  font-weight: 700;
}
.cl-logo img { height: 36px; width: auto; }
.cl-nav-links {
  display: flex;
  gap: 1.25rem;
  font-weight: 600;
  color: var(--cl-muted);
}
.cl-nav-links a:hover { color: var(--cl-primary); }
@media (max-width: 820px) {
  .cl-nav-links { display: none; }
}

/* Hero — full-bleed brand plane */
.cl-hero {
  position: relative;
  min-height: min(92vh, 760px);
  display: flex;
  align-items: flex-end;
  padding: 5rem 0 4rem;
  background:
    linear-gradient(120deg, rgba(15,61,62,.92) 0%, rgba(15,61,62,.72) 55%, rgba(15,61,62,.45) 100%),
    radial-gradient(circle at 80% 20%, rgba(232,168,56,.35), transparent 40%),
    #0F3D3E;
  color: #fff;
  overflow: hidden;
}
.cl-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--cl-bg), transparent);
  pointer-events: none;
}
.cl-hero-inner { position: relative; z-index: 1; max-width: 720px; }
.cl-hero h1 { color: #fff; }
.cl-hero h1 .cl-accent-text { color: var(--cl-accent); }
.cl-hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.86);
  max-width: 34rem;
  margin-bottom: 1.75rem;
}
.cl-hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Sections */
.cl-section { padding: 4.5rem 0; }
.cl-section-head { margin-bottom: 2rem; max-width: 40rem; }
.cl-section-head p { color: var(--cl-muted); }

.cl-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.cl-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .cl-grid-3, .cl-grid-2 { grid-template-columns: 1fr; }
}

.cl-stat {
  background: var(--cl-panel);
  border: 1px solid var(--cl-line);
  border-radius: 18px;
  padding: 1.5rem;
}
.cl-stat-num {
  display: block;
  font-family: var(--cl-font-display);
  font-size: 2.4rem;
  color: var(--cl-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.cl-stat-label { color: var(--cl-muted); font-weight: 600; }

.cl-course-card {
  background: var(--cl-panel);
  border: 1px solid var(--cl-line);
  border-radius: 18px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 220px;
}
.cl-course-card h3 { margin: 0; }
.cl-course-meta {
  color: var(--cl-muted);
  font-size: 0.92rem;
  margin: 0;
}
.cl-course-card .cl-btn { margin-top: auto; align-self: flex-start; }

.cl-exam-row {
  background: var(--cl-panel);
  border: 1px solid var(--cl-line);
  border-radius: 16px;
  padding: 1.25rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.cl-exam-row p { margin: 0.25rem 0 0; color: var(--cl-muted); font-size: 0.92rem; }

.cl-cta {
  background: var(--cl-primary);
  color: #fff;
  border-radius: 24px;
  padding: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cl-cta h2 { color: #fff; margin-bottom: 0.5rem; }
.cl-cta p { color: rgba(255,255,255,.8); margin: 0; max-width: 28rem; }

.cl-footer {
  border-top: 1px solid var(--cl-line);
  padding: 2.5rem 0;
  color: var(--cl-muted);
  font-size: 0.92rem;
}
.cl-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.cl-footer a:hover { color: var(--cl-primary); }