/* ===== SIU Landing Pages - Brand Playbook Theme ===== */
:root {
  /* Cardinal Red family (primary - the 30%) */
  --maroon: #8C1515;        /* Cardinal Red */
  --maroon-dark: #5E0F0F;   /* Crimson Dark */
  --maroon-light: #B54040;  /* Crimson Light - hover */
  --maroon-soft: #F5E8E8;   /* Crimson Wash - tints */
  /* Deep Teal family (accent - strictly the 10%) */
  --accent: #15788C;        /* Deep Teal - links, CTAs */
  --accent-dark: #0D5460;   /* Teal Dark */
  /* Neutrals (the 60%) */
  --warm: #FBF7F0;          /* Warm Off-white - section bg */
  --cream: #FFFDF8;         /* Cream */
  --ink: #1A1A1A;           /* Black - headings */
  --body: #333333;          /* Charcoal - body text */
  --muted: #555555;         /* Dark Gray */
  --line: #EDE9E2;          /* Stone Wash - borders */
  --radius: 14px;
  --shadow-sm: 0 4px 14px rgba(92, 0, 0, .08);
  --shadow-md: 0 12px 34px rgba(92, 0, 0, .14);
}

* { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--body);
  line-height: 1.5;
  letter-spacing: -.01em;
  overflow-x: hidden;
}
h1, h2, h3, h4, .display-5 {
  font-family: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  font-weight: 700; letter-spacing: -.025em; color: var(--ink);
}
/* Headings on dark backgrounds use Warm Off-white (never black) */
.hero h1, .hero h2, .hero h3, .hero h4,
.dual-section h1, .dual-section h2, .dual-section h3, .dual-section h4,
.final-cta h1, .final-cta h2, .final-cta h3, .final-cta h4 { color: #FBF7F0; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.bg-soft { background: var(--warm); }
.text-maroon { color: var(--maroon) !important; }
.bg-maroon { background: var(--maroon) !important; }

/* ---- Buttons ---- */
.btn { border-radius: 50px; font-weight: 600; padding: .72rem 1.6rem; letter-spacing: -.02em; transition: .25s ease; }
.btn-maroon { background: var(--maroon); color: #fff; box-shadow: var(--shadow-sm); }
.btn-maroon:hover { background: var(--maroon-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-maroon { border: 2px solid var(--maroon); color: var(--maroon); background: transparent; }
.btn-outline-maroon:hover { background: var(--maroon); color: #fff; transform: translateY(-2px); }
.btn-gold { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-gold:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-light-ghost { border: 2px solid rgba(255,255,255,.7); color: #FBF7F0; }
.btn-light-ghost:hover { background: #fff; color: var(--maroon); }
.btn-lg { padding: .9rem 2.1rem; font-size: 1.05rem; }

/* ---- Navbar ---- */
.navbar { background: #fff; box-shadow: 0 2px 14px rgba(0,0,0,.06); padding: .6rem 0; transition: .3s; }
.navbar-brand img { height: 52px; }
.navbar .nav-link { color: var(--ink); font-weight: 500; margin: 0 .35rem; }
.navbar .nav-link:hover { color: var(--maroon); }
.topbar { background: var(--maroon-dark); color: #fff; font-size: .85rem; padding: .4rem 0; }
.topbar a { color: #fff; text-decoration: none; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--maroon-dark) 0%, var(--maroon) 55%, var(--maroon-light) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 70px 0;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(21,120,140,.22), transparent 70%);
}
.hero .eyebrow {
  display: inline-block; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.3); border-radius: 50px;
  padding: .35rem 1rem; font-size: .85rem; font-weight: 600; margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.12; }
.hero .lead { color: rgba(255,255,255,.92); font-size: 1.08rem; }
.highlight-chip {
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  border-radius: 10px; padding: .7rem .9rem; font-size: .92rem; font-weight: 600;
  display: flex; align-items: center; gap: .5rem; height: 100%;
}
.highlight-chip i { color: var(--accent); font-size: 1.05rem; }

/* ---- Lead Form Card ---- */
.lead-card {
  background: #fff; border-radius: 18px; box-shadow: var(--shadow-md);
  padding: 2rem; color: var(--ink);
}
.lead-card h3 { color: var(--maroon); }
.form-control, .form-select {
  border-radius: 10px; border: 1px solid var(--line); padding: .7rem .9rem; font-size: .95rem;
}
.form-control:focus, .form-select:focus { border-color: var(--maroon); box-shadow: 0 0 0 .2rem rgba(140,21,21,.15); }
.form-label { font-weight: 600; font-size: .88rem; margin-bottom: .3rem; }

/* ---- Section headings ---- */
.section-eyebrow { color: var(--maroon); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .82rem; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.divider { width: 64px; height: 4px; background: var(--accent); border-radius: 4px; margin: 1rem auto; }
.divider-start { margin-left: 0; }

/* ---- Cards ---- */
.feature-card, .info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; height: 100%; transition: .28s; box-shadow: var(--shadow-sm);
}
.feature-card:hover, .info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--maroon-light); }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--maroon-soft); color: var(--maroon); font-size: 1.5rem; margin-bottom: 1rem;
}
.feature-card h5 { color: var(--maroon); font-weight: 700; }

/* ---- Overview table ---- */
.overview-table { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.overview-table th { background: var(--maroon); color: #fff; font-weight: 600; }
.overview-table td, .overview-table th { padding: .9rem 1.1rem; vertical-align: middle; }
.overview-table tbody tr:nth-child(even) { background: var(--maroon-soft); }
.overview-table td:first-child { font-weight: 700; color: var(--maroon); width: 38%; }

/* ---- Stats ---- */
.stat-box { text-align: center; padding: 1rem; }
.stat-box .num { font-family: 'Libre Baskerville', Georgia, serif; font-size: 2.4rem; font-weight: 700; color: var(--maroon); line-height: 1; }
.stat-box .lbl { color: var(--muted); font-size: .9rem; font-weight: 600; margin-top: .4rem; }

/* ---- Specialisations ---- */
.spec-card { background: #fff; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm); height: 100%; transition: .28s; border: 1px solid var(--line); }
.spec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.spec-head { background: linear-gradient(135deg, var(--maroon), var(--maroon-light)); color: #fff; padding: 1.6rem 1.8rem; }
.spec-head i { font-size: 1.8rem; color: var(--warm); }
.spec-body { padding: 1.8rem; }
.spec-body h6 { color: var(--maroon); font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: .05em; margin-top: 1.2rem; }
.tag { display: inline-block; background: var(--maroon-soft); color: var(--maroon); border-radius: 50px; padding: .35rem .9rem; font-size: .85rem; font-weight: 600; margin: .2rem .2rem 0 0; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 1.8rem; margin-bottom: .55rem; }
.check-list li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--maroon); position: absolute; left: 0; top: 2px; }

/* ---- Dual model ---- */
.dual-section { background: linear-gradient(135deg, var(--maroon-dark), var(--maroon)); color: #fff; }
.dual-section .divider { margin-left: 0; }

/* ---- Year journey ---- */
.year-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.6rem; height: 100%; border-top: 5px solid var(--maroon); transition: .28s; }
.year-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.year-badge { display: inline-block; background: var(--maroon); color: #fff; border-radius: 50px; padding: .3rem 1rem; font-weight: 700; font-size: .9rem; margin-bottom: .8rem; }

/* ---- Quarter timeline ---- */
.quarter-grid { display: grid; grid-template-columns: 90px repeat(4, 1fr); gap: .6rem; align-items: center; }
.q-year { font-weight: 800; color: var(--maroon); }
.q-cell { border-radius: 10px; padding: .85rem .5rem; text-align: center; font-weight: 700; font-size: .85rem; color: #fff; }
.q-study { background: var(--accent); color: #fff; }
.q-intern { background: var(--maroon); }
.q-head { text-align: center; font-weight: 700; color: var(--muted); font-size: .8rem; }
.legend span { display: inline-flex; align-items: center; gap: .4rem; margin-right: 1.2rem; font-weight: 600; font-size: .9rem; }
.legend .dot { width: 16px; height: 16px; border-radius: 4px; display: inline-block; }
.sched-badge { display: inline-block; border-radius: 8px; padding: .35rem .8rem; font-weight: 700; font-size: .82rem; margin: .15rem; }
.sched-table th { background: var(--maroon); color: #fff; }
.sched-table td, .sched-table th { padding: .9rem 1.1rem; vertical-align: middle; }
.sched-table td:first-child, .sched-table td:nth-child(2) { font-weight: 700; color: var(--maroon); white-space: nowrap; }
.sched-table tbody tr:nth-child(even) { background: var(--maroon-soft); }

/* ---- FAQ ---- */
.accordion-button { font-weight: 600; color: var(--maroon); }
.accordion-button:not(.collapsed) { background: var(--maroon-soft); color: var(--maroon); box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(140,21,21,.15); }
.accordion-item { border: 1px solid var(--line); border-radius: 12px !important; margin-bottom: .8rem; overflow: hidden; }

/* ---- Final CTA ---- */
.final-cta { background: linear-gradient(135deg, var(--maroon-dark), var(--maroon-light)); color: #fff; }

/* ---- Footer ---- */
footer { background: #1c0606; color: rgba(255,255,255,.78); padding: 56px 0 24px; }
footer a { color: rgba(255,255,255,.8); text-decoration: none; }
footer a:hover { color: var(--accent); }
footer h6 { color: #FBF7F0; font-weight: 700; margin-bottom: 1rem; }
.compliance { background: rgba(255,255,255,.05); border-left: 3px solid var(--accent); border-radius: 8px; padding: 1rem 1.2rem; font-size: .82rem; line-height: 1.6; margin-top: 1.5rem; }

/* ---- Float CTA (mobile) ---- */
.float-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1040; background: #fff; box-shadow: 0 -4px 16px rgba(0,0,0,.12); padding: .6rem .8rem; gap: .6rem; }

/* ---- Animations ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .section { padding: 60px 0; }
  .hero { padding: 50px 0; }
}
@media (max-width: 575px) {
  .quarter-grid { grid-template-columns: 60px repeat(4, 1fr); gap: .35rem; }
  .q-cell { font-size: .68rem; padding: .6rem .2rem; }
  .float-cta { display: flex; }
  body { padding-bottom: 70px; }
  .btn-lg { padding: .8rem 1.4rem; font-size: .98rem; }
}