/* ==========================================================================
   IHM High School, Nellithope — single site stylesheet
   Built on Bootstrap 5.3.x. Only brand + component additions live here;
   layout/spacing comes from Bootstrap utilities.
   ========================================================================== */

:root {
  --ihm-plum: #4b1f6f;
  --ihm-plum-700: #3a1656;
  --ihm-plum-900: #24102f;
  --ihm-gold: #e0a526;
  --ihm-gold-soft: #fbf1da;
  --ihm-ivory: #faf8f4;
  --ihm-ink: #1f1a24;
  --ihm-muted: #6b6474;
  --ihm-line: #ebe5ee;
  --ihm-radius: 1rem;
  --ihm-shadow: 0 1px 2px rgba(36, 16, 47, .06), 0 8px 24px rgba(36, 16, 47, .06);
  --ihm-shadow-lg: 0 2px 4px rgba(36, 16, 47, .06), 0 18px 40px rgba(36, 16, 47, .12);
  --ihm-nav-h: 72px;

  /* Bootstrap overrides */
  --bs-primary: var(--ihm-plum);
  --bs-primary-rgb: 75, 31, 111;
  --bs-body-font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-color: var(--ihm-ink);
  --bs-body-bg: var(--ihm-ivory);
  --bs-link-color: var(--ihm-plum);
  --bs-link-color-rgb: 75, 31, 111;
  --bs-link-hover-color: var(--ihm-plum-700);
  --bs-border-radius: .625rem;
  --bs-border-radius-lg: var(--ihm-radius);
}

html { scroll-padding-top: calc(var(--ihm-nav-h) + 12px); }
body { padding-top: var(--ihm-nav-h); font-size: 1.0625rem; line-height: 1.65; }
h1, h2, h3, .display-4, .display-5, .font-display {
  font-family: "Playfair Display", Georgia, serif;
  letter-spacing: -.01em;
}
h4, h5, h6 { font-weight: 700; }
.font-sans { font-family: var(--bs-body-font-family) !important; }
img { max-width: 100%; height: auto; }
::selection { background: var(--ihm-gold); color: var(--ihm-plum-900); }

/* ---------- Buttons ---------- */
.btn { font-weight: 600; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  --bs-btn-bg: var(--ihm-plum); --bs-btn-border-color: var(--ihm-plum);
  --bs-btn-hover-bg: var(--ihm-plum-700); --bs-btn-hover-border-color: var(--ihm-plum-700);
  --bs-btn-active-bg: var(--ihm-plum-900); --bs-btn-active-border-color: var(--ihm-plum-900);
  --bs-btn-disabled-bg: var(--ihm-plum); --bs-btn-disabled-border-color: var(--ihm-plum);
}
.btn-outline-primary {
  --bs-btn-color: var(--ihm-plum); --bs-btn-border-color: var(--ihm-plum);
  --bs-btn-hover-bg: var(--ihm-plum); --bs-btn-hover-border-color: var(--ihm-plum);
  --bs-btn-active-bg: var(--ihm-plum-700);
}
.btn-gold {
  --bs-btn-color: var(--ihm-plum-900); --bs-btn-bg: var(--ihm-gold); --bs-btn-border-color: var(--ihm-gold);
  --bs-btn-hover-color: var(--ihm-plum-900); --bs-btn-hover-bg: #f0b73a; --bs-btn-hover-border-color: #f0b73a;
  --bs-btn-active-bg: #c99016;
}
.form-control:focus, .form-select:focus {
  border-color: var(--ihm-plum);
  box-shadow: 0 0 0 .2rem rgba(75, 31, 111, .15);
}

/* ---------- Navbar ---------- */
.site-nav {
  min-height: var(--ihm-nav-h);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-nav.is-scrolled { border-bottom-color: var(--ihm-line); box-shadow: 0 4px 18px rgba(36, 16, 47, .06); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: var(--ihm-plum); color: var(--ihm-gold);
  font-family: "Playfair Display", serif; font-weight: 700; font-size: .95rem;
}
.brand-name { font-family: "Playfair Display", serif; font-weight: 700; color: var(--ihm-plum); line-height: 1.1; }
.brand-sub { font-size: .75rem; color: var(--ihm-muted); letter-spacing: .06em; text-transform: uppercase; }
.site-nav .nav-link {
  color: var(--ihm-ink); font-weight: 600; font-size: .95rem;
  padding: .5rem .75rem !important; border-radius: .5rem;
}
.site-nav .nav-link:hover { color: var(--ihm-plum); background: rgba(75, 31, 111, .06); }
.site-nav .nav-link.active { color: var(--ihm-plum); background: rgba(75, 31, 111, .09); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative; isolation: isolate; color: #fff;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background: linear-gradient(120deg, rgba(36, 16, 47, .94), rgba(75, 31, 111, .82)),
              var(--hero-img, none) center / cover no-repeat;
  overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: auto -10% -60% auto; width: 520px; height: 520px; z-index: -1;
  background: radial-gradient(closest-side, rgba(224, 165, 38, .28), transparent);
}
.page-hero h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.25rem); }
.page-hero .lead { color: rgba(255, 255, 255, .86); max-width: 46rem; }
.page-hero .breadcrumb { --bs-breadcrumb-divider-color: rgba(255,255,255,.5); --bs-breadcrumb-item-active-color: rgba(255,255,255,.75); margin: 0 0 1rem; font-size: .9rem; }
.page-hero .breadcrumb a { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ihm-gold);
}
.page-hero .eyebrow, .section-dark .eyebrow { color: var(--ihm-gold); }
.section-light .eyebrow, .eyebrow.text-plum { color: var(--ihm-plum); }

.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .4rem .8rem; border-radius: 999px; font-size: .9rem; font-weight: 600;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22); color: #fff;
}
a.chip:hover { background: rgba(255, 255, 255, .2); color: #fff; }

/* ---------- Home slider ---------- */
.home-slider .carousel-item { height: clamp(420px, 78vh, 720px); background: var(--ihm-plum-900); }
.home-slider .carousel-item img { width: 100%; height: 100%; object-fit: cover; }
.home-slider .carousel-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(36,16,47,.88) 0%, rgba(36,16,47,.55) 45%, rgba(36,16,47,.1) 100%);
}
.home-slider .slider-copy {
  position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; color: #fff;
}
.home-slider .slider-copy h1 { font-size: clamp(2.2rem, 1.4rem + 3.4vw, 4rem); line-height: 1.08; }
.home-slider .slider-copy p { color: rgba(255,255,255,.88); max-width: 34rem; }
.home-slider .carousel-indicators { z-index: 3; }
.home-slider .carousel-indicators [data-bs-target] { width: 28px; height: 4px; border-radius: 2px; }
.carousel-fade .carousel-item { transition-duration: .8s; }

/* ---------- Sections ---------- */
.section { padding: clamp(3.5rem, 7vw, 5.5rem) 0; }
.section-white { background: #fff; }
.section-tint { background: var(--ihm-gold-soft); }
.section-dark { background: var(--ihm-plum-900); color: #fff; }
.section-dark .text-body-secondary { color: rgba(255,255,255,.7) !important; }
.section-head { max-width: 44rem; margin-bottom: 2.5rem; }
.section-head h2 { font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.5rem); margin: .35rem 0 .6rem; }
.section-head.text-center { margin-inline: auto; }

/* ---------- Cards ---------- */
.card-soft {
  background: #fff; border: 1px solid var(--ihm-line); border-radius: var(--ihm-radius);
  box-shadow: var(--ihm-shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
/* Equal-height cards only when a card is the only thing in a grid column */
.row > [class*="col"] > .card-soft:only-child { height: 100%; }
.card-soft.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--ihm-shadow-lg); }
.card-dark { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--ihm-radius); height: 100%; }

.icon-tile {
  width: 52px; height: 52px; border-radius: 14px; flex: none;
  display: grid; place-items: center; font-size: 1.4rem;
  background: rgba(75, 31, 111, .08); color: var(--ihm-plum);
}
.icon-tile.gold { background: var(--ihm-gold-soft); color: #a3700b; }
.section-dark .icon-tile { background: rgba(224,165,38,.15); color: var(--ihm-gold); }

.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { position: relative; padding-left: 1.75rem; margin-bottom: .55rem; }
.check-list li::before {
  content: "\F26E"; font-family: "bootstrap-icons"; position: absolute; left: 0; top: .05rem;
  color: var(--ihm-gold); font-size: 1.1rem;
}

/* ---------- Stats ---------- */
.stat { text-align: center; padding: 1.25rem .5rem; }
.stat-num {
  font-family: "Playfair Display", serif; font-weight: 700; line-height: 1;
  font-size: clamp(2.25rem, 1.6rem + 2.2vw, 3.25rem); color: var(--ihm-gold);
  font-variant-numeric: tabular-nums;
}
.stat-label { margin-top: .5rem; font-weight: 600; color: rgba(255,255,255,.8); }
.section-white .stat-num, .section-tint .stat-num { color: var(--ihm-plum); }
.section-white .stat-label, .section-tint .stat-label { color: var(--ihm-muted); }

/* ---------- Media / images ---------- */
.media-frame { border-radius: var(--ihm-radius); overflow: hidden; box-shadow: var(--ihm-shadow-lg); background: var(--ihm-line); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-zoom { overflow: hidden; }
.img-zoom img { transition: transform .5s ease; }
.img-zoom:hover img { transform: scale(1.05); }

/* ---------- News ---------- */
.news-card { overflow: hidden; }
.news-card .ratio img { object-fit: cover; }
.news-date { font-size: .85rem; font-weight: 700; color: var(--ihm-plum); text-transform: uppercase; letter-spacing: .06em; }

/* ---------- Quote / testimonial ---------- */
.quote-card { position: relative; padding: 1.75rem; }
.quote-card::before {
  content: "\201C"; position: absolute; top: .25rem; right: 1.25rem;
  font-family: "Playfair Display", serif; font-size: 4.5rem; line-height: 1; color: var(--ihm-gold); opacity: .35;
}
.avatar {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-weight: 700; font-size: .9rem;
  background: var(--ihm-plum); color: var(--ihm-gold);
}

/* ---------- Timeline ---------- */
.timeline { position: relative; list-style: none; margin: 0; padding: 0 0 0 2rem; }
.timeline::before {
  content: ""; position: absolute; left: .55rem; top: .4rem; bottom: .4rem; width: 2px;
  background: linear-gradient(var(--ihm-gold), var(--ihm-plum));
}
.timeline > li { position: relative; padding-bottom: 1.5rem; }
.timeline > li:last-child { padding-bottom: 0; }
.timeline > li::before {
  content: ""; position: absolute; left: -1.85rem; top: .35rem; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--ihm-plum);
}
.timeline > li.is-key::before { background: var(--ihm-gold); border-color: var(--ihm-gold); box-shadow: 0 0 0 4px rgba(224,165,38,.22); }
.timeline-year { font-family: "Playfair Display", serif; font-weight: 700; font-size: 1.15rem; color: var(--ihm-plum); }

@media (min-width: 992px) {
  .timeline-split { padding-left: 0; }
  .timeline-split::before { left: 50%; transform: translateX(-1px); }
  .timeline-split > li { width: 50%; padding-right: 2.5rem; }
  .timeline-split > li:nth-child(even) { margin-left: 50%; padding-right: 0; padding-left: 2.5rem; }
  .timeline-split > li::before { left: auto; right: -8px; }
  .timeline-split > li:nth-child(even)::before { right: auto; left: -8px; }
  .timeline-split > li:nth-child(odd) { text-align: right; }
}

/* ---------- Steps (admission) ---------- */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 1.25rem 3.25rem; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 2.25rem; height: 2.25rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--ihm-plum); color: #fff; font-weight: 700;
}
.steps li::after {
  content: ""; position: absolute; left: 1.1rem; top: 2.5rem; bottom: .25rem; width: 2px; background: var(--ihm-line);
}
.steps li:last-child::after { display: none; }

/* ---------- Tabs & accordion ---------- */
.nav-pills-ihm { gap: .5rem; }
.nav-pills-ihm .nav-link {
  border-radius: 999px; font-weight: 600; color: var(--ihm-ink);
  background: #fff; border: 1px solid var(--ihm-line); padding: .5rem 1.1rem;
}
.nav-pills-ihm .nav-link:hover { border-color: var(--ihm-plum); color: var(--ihm-plum); }
.nav-pills-ihm .nav-link.active { background: var(--ihm-plum); border-color: var(--ihm-plum); color: #fff; }
.accordion {
  --bs-accordion-border-color: var(--ihm-line);
  --bs-accordion-active-bg: rgba(75, 31, 111, .06);
  --bs-accordion-active-color: var(--ihm-plum);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(75, 31, 111, .15);
  --bs-accordion-border-radius: var(--ihm-radius);
  --bs-accordion-inner-border-radius: calc(var(--ihm-radius) - 1px);
}
.accordion-button { font-weight: 600; }

/* ---------- Tables ---------- */
.table-ihm { --bs-table-bg: #fff; margin: 0; }
.table-ihm thead th {
  background: var(--ihm-plum); color: #fff; font-weight: 600; border: 0;
  font-size: .9rem; letter-spacing: .02em; white-space: nowrap;
}
.table-ihm td { vertical-align: middle; }
.table-wrap { border-radius: var(--ihm-radius); overflow: hidden; border: 1px solid var(--ihm-line); box-shadow: var(--ihm-shadow); background: #fff; }

/* ---------- Faculty ---------- */
.faculty-card { text-align: center; padding: 1.5rem 1.25rem; }
.faculty-card .avatar { width: 64px; height: 64px; font-size: 1.15rem; margin: 0 auto .9rem; }
.faculty-card h3 { font-family: inherit; font-size: 1.05rem; font-weight: 700; margin-bottom: .2rem; letter-spacing: 0; }

/* ---------- Gallery ---------- */
.masonry { column-count: 1; column-gap: 1rem; }
@media (min-width: 576px) { .masonry { column-count: 2; } }
@media (min-width: 992px) { .masonry { column-count: 3; } }
.masonry > * { break-inside: avoid; margin-bottom: 1rem; }
.album-card { display: block; position: relative; border-radius: var(--ihm-radius); overflow: hidden; color: #fff; box-shadow: var(--ihm-shadow); }
.album-card img { width: 100%; display: block; transition: transform .5s ease; }
.album-card:hover img { transform: scale(1.04); }
.album-card .album-caption {
  position: absolute; inset: auto 0 0 0; padding: 2.5rem 1rem 1rem;
  background: linear-gradient(transparent, rgba(36,16,47,.85));
  font-weight: 700;
}
.album-card:hover { color: #fff; }
.photo-tile { display: block; border-radius: .75rem; overflow: hidden; background: var(--ihm-line); }
.photo-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.photo-tile:hover img { transform: scale(1.05); }
#lightbox .modal-content { background: transparent; border: 0; }
#lightbox img { max-height: 85vh; width: auto; margin: 0 auto; display: block; border-radius: .5rem; }

/* ---------- CTA ---------- */
.cta-band {
  border-radius: calc(var(--ihm-radius) * 1.25); color: #fff; overflow: hidden; position: relative;
  background: linear-gradient(120deg, var(--ihm-plum-900), var(--ihm-plum));
  padding: clamp(2rem, 5vw, 3.5rem);
}
.cta-band::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(224,165,38,.35), transparent);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band .form-label { color: rgba(255,255,255,.85); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ihm-plum-900); color: rgba(255,255,255,.72); padding: 4rem 0 1.5rem; }
.site-footer h5 { font-family: inherit; color: #fff; font-size: 1rem; letter-spacing: .04em; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,.72); }
.site-footer a:hover { color: var(--ihm-gold); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .5rem; }
.social a {
  width: 38px; height: 38px; border-radius: 50%; display: inline-grid; place-items: center;
  background: rgba(255,255,255,.08); color: #fff; margin-right: .4rem;
}
.social a:hover { background: var(--ihm-gold); color: var(--ihm-plum-900); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.25rem; font-size: .9rem; }

.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 1030;
  width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: var(--ihm-plum); color: #fff; box-shadow: var(--ihm-shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--ihm-plum-700); }

/* ---------- Reveal on scroll (only when JS is present) ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Keep nav items on one line; tighten at the xl breakpoint */
.site-nav .nav-link, .site-nav .btn { white-space: nowrap; }
@media (min-width: 1200px) and (max-width: 1399.98px) {
  .site-nav .nav-link { padding: .5rem .55rem !important; font-size: .9rem; }
}

/* Footer: no underline on links */
.site-footer a { text-decoration: none; }