/* =========================================================
   MAKGWE PRIMARY SCHOOL — Editorial design system
   ========================================================= */

:root {
  /* ---------- Spacing (8pt grid) ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* ---------- Type scale ---------- */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-md: 18px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 30px;
  --text-3xl: 36px;
  --text-4xl: 48px;
  --text-5xl: 60px;
  --text-6xl: 80px;
  --text-7xl: 120px;

  /* ---------- Primary scale (500 = #1a1a1a) ---------- */
  --primary-50:  #f5f5f5;
  --primary-100: #e6e6e6;
  --primary-200: #c4c4c4;
  --primary-300: #9a9a9a;
  --primary-400: #5c5c5c;
  --primary-500: #1a1a1a;
  --primary-600: #131313;
  --primary-700: #0d0d0d;
  --primary-800: #080808;
  --primary-900: #050505;

  /* ---------- Accent scale (500 = #888888) ---------- */
  --accent-50:  #f7f7f7;
  --accent-100: #ececec;
  --accent-200: #d9d9d9;
  --accent-300: #bcbcbc;
  --accent-400: #a0a0a0;
  --accent-500: #888888;
  --accent-600: #6f6f6f;
  --accent-700: #565656;
  --accent-800: #3e3e3e;
  --accent-900: #2a2a2a;

  /* ---------- Neutral grays ---------- */
  --gray-50:  #fafafa;
  --gray-100: #f4f4f5;
  --gray-200: #e4e4e7;
  --gray-300: #d4d4d8;
  --gray-400: #a1a1aa;
  --gray-500: #71717a;
  --gray-600: #52525b;
  --gray-700: #3f3f46;
  --gray-800: #27272a;
  --gray-900: #18181b;

  /* ---------- Semantic ---------- */
  --success: #2f8f5e;
  --warning: #c98a16;
  --error:   #b8423c;
  --info:    #3a6c8c;

  /* ---------- Elevation ---------- */
  --shadow-1: none;
  --shadow-2: 0 0 0 1px rgba(0, 0, 0, 0.06);
  --shadow-3: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-4: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-5: 0 4px 12px rgba(0, 0, 0, 0.08);

  /* ---------- Radius ---------- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* ---------- Motion ---------- */
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;
  --dur-deliberate: 600ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---------- Layout ---------- */
  --sidebar-w: 80px;
  --container-max: 1200px;
  --read-max: 720px;

  /* ---------- Type families ---------- */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* =========================================================
   Base reset
   ========================================================= */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--gray-900);
  background: var(--gray-50);
  font-feature-settings: 'kern' 1, 'liga' 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-right: var(--sidebar-w);
  orphans: 2;
  widows: 2;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

p {
  margin: 0 0 var(--space-4);
  max-width: 72ch;
}

strong { font-weight: 700; }
em { font-style: italic; }

ul, ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
}

::selection {
  background: var(--primary-500);
  color: #fff;
}

/* Skip-link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--primary-500);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: 9999;
  font-size: var(--text-sm);
  transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* Tabular numerals */
.tabular { font-variant-numeric: tabular-nums; }

/* =========================================================
   Sidebar navigation (right vertical)
   ========================================================= */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--primary-500);
  color: #fff;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) 0;
  border-left: 1px solid var(--primary-700);
}

.sidebar__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2) var(--space-5);
  border-bottom: 1px solid var(--primary-700);
}

.sidebar__brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.sidebar__brand-logo img { width: 100%; height: 100%; object-fit: cover; }

.sidebar__brand-mark {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  color: var(--gray-300);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: var(--space-2);
}

.sidebar__menu {
  list-style: none;
  margin: 0;
  padding: var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.sidebar__item { position: relative; }

.sidebar__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 56px;
  color: var(--gray-300);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}

.sidebar__link svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.sidebar__link:hover,
.sidebar__link:focus-visible { color: #fff; }

.sidebar__link:focus-visible {
  outline: 2px solid var(--accent-500);
  outline-offset: -4px;
}

.sidebar__link--active {
  color: #fff;
}

.sidebar__link--active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 28px;
  background: #fff;
}

.sidebar__link--active::after {
  content: '';
  position: absolute;
  inset: 6px var(--space-3);
  background: var(--primary-700);
  border-radius: var(--radius-md);
  z-index: -1;
}

/* Tooltip */
.sidebar__tooltip {
  position: absolute;
  right: calc(100% + var(--space-3));
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--primary-700);
  color: #fff;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.sidebar__tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--primary-700);
}
.sidebar__link:hover .sidebar__tooltip,
.sidebar__link:focus-visible .sidebar__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sidebar__foot {
  border-top: 1px solid var(--primary-700);
  padding: var(--space-4) var(--space-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.sidebar__foot-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--gray-300);
  border-radius: var(--radius-full);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.sidebar__foot-icon:hover { background: var(--primary-700); color: #fff; }
.sidebar__foot-icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }

/* Mobile drawer */
.sidebar__toggle {
  display: none;
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 110;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--primary-500);
  color: #fff;
  cursor: pointer;
}
.sidebar__toggle svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; margin: 0 auto; }

/* =========================================================
   Layout & containers
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: 880px;
}

.section {
  padding: var(--space-9) 0;
  position: relative;
}

.section--tight { padding: var(--space-8) 0; }
.section--xl { padding: var(--space-10) 0; }

.section--alt {
  background: var(--gray-100);
}

.section--dark {
  background: var(--primary-500);
  color: #fff;
}

.section--dark p { color: var(--gray-300); }

/* Section title block */
.section-head {
  text-align: center;
  margin-bottom: var(--space-8);
  position: relative;
}

.section-head__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent-500);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: inline-block;
}

.section-head__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
  font-weight: 700;
}

.section-head__title em {
  font-style: italic;
  color: var(--accent-600);
  font-weight: 500;
}

.section-head__line {
  display: inline-block;
  width: 56px;
  height: 2px;
  background: var(--primary-500);
  margin-top: var(--space-3);
}

.section-head__lede {
  max-width: 64ch;
  margin: 0 auto;
  font-size: var(--text-md);
  color: var(--gray-700);
  line-height: 1.7;
}

.section-head--left {
  text-align: left;
  margin-bottom: var(--space-7);
}
.section-head--left .section-head__lede { margin-left: 0; }

/* Decorative grid line accent */
.decor-line {
  position: absolute;
  background: var(--gray-200);
  pointer-events: none;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-base) var(--ease-spring),
              box-shadow var(--dur-base) var(--ease-out);
  min-height: 44px;
  position: relative;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--primary-500);
  color: #fff;
}
.btn--primary:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
}

.btn--outline {
  background: transparent;
  color: var(--primary-500);
  border-color: var(--primary-500);
}
.btn--outline:hover {
  background: var(--primary-500);
  color: #fff;
}

.btn--lg {
  padding: var(--space-5) var(--space-7);
  font-size: var(--text-base);
}

.btn__arrow {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* =========================================================
   Hero / banner carousel
   ========================================================= */
.hero {
  height: 100vh;
  min-height: 640px;
  position: relative;
  overflow: hidden;
  background: var(--primary-500);
  color: #fff;
}

.hero__slides {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1200ms var(--ease-out);
}
.hero__slide--active { opacity: 1; }

.hero__media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: grayscale(20%) contrast(1.05);
  transform: scale(1.05);
  transition: transform 8s linear;
}
.hero__slide--active .hero__media { transform: scale(1); }

.hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(13,13,13,0.35) 0%,
    rgba(13,13,13,0.55) 50%,
    rgba(13,13,13,0.85) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr;
  align-content: end;
  padding: var(--space-9) var(--space-8) var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-300);
  margin-bottom: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.hero__eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-300);
}

.hero__heading {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 700;
  max-width: 24ch;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-5);
}

.hero__heading em {
  font-style: italic;
  color: var(--accent-300);
  font-weight: 500;
}

.hero__sub {
  font-size: var(--text-md);
  color: var(--gray-300);
  max-width: 52ch;
  margin-bottom: var(--space-7);
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Carousel controls */
.hero__controls {
  position: absolute;
  bottom: var(--space-7);
  right: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 3;
}

.hero__btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.06);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  backdrop-filter: blur(6px);
}
.hero__btn:hover {
  background: rgba(255,255,255,0.16);
  border-color: rgba(255,255,255,0.7);
}
.hero__btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }

.hero__dots {
  position: absolute;
  bottom: var(--space-7);
  left: var(--space-8);
  display: flex;
  gap: var(--space-3);
  z-index: 3;
}
.hero__dot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-300);
  letter-spacing: 0.1em;
  padding: var(--space-2) 0;
}
.hero__dot::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gray-400);
  transition: width var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.hero__dot--active { color: #fff; }
.hero__dot--active::before {
  background: #fff;
  width: 56px;
}

.hero__index {
  position: absolute;
  top: 50%;
  right: var(--space-8);
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.4em;
  color: var(--gray-300);
  z-index: 3;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gray-300);
  text-transform: uppercase;
  z-index: 3;
}

/* =========================================================
   Page hero (sub-pages)
   ========================================================= */
.page-hero {
  padding: calc(var(--space-10) + var(--space-6)) 0 var(--space-9);
  background: var(--primary-500);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40%;
  background-image: linear-gradient(135deg, transparent 50%, rgba(255,255,255,0.04) 50%);
  pointer-events: none;
}

.page-hero__crumbs {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: var(--space-5);
}
.page-hero__crumbs a:hover { color: #fff; }
.page-hero__crumbs span { color: var(--gray-500); }
.page-hero__crumbs strong { color: var(--accent-300); font-weight: 500; }

.page-hero__title {
  font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl));
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: var(--space-5);
}
.page-hero__title em { font-style: italic; color: var(--accent-300); font-weight: 500; }

.page-hero__lede {
  font-size: var(--text-md);
  color: var(--gray-300);
  max-width: 60ch;
  line-height: 1.7;
}

.page-hero__meta {
  margin-top: var(--space-7);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-7);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.page-hero__meta-item strong {
  display: block;
  font-size: var(--text-xl);
  color: #fff;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

/* =========================================================
   Animation utility (IntersectionObserver)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-deliberate) var(--ease-out),
              transform var(--dur-deliberate) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Principal letter
   ========================================================= */
.principal {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-9) 0;
}

.principal__media {
  position: relative;
  align-self: stretch;
}

.principal__photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  background-color: var(--gray-300);
}

.principal__photo--small {
  position: absolute;
  bottom: -32px;
  right: -32px;
  width: 200px;
  height: 240px;
  border: 8px solid var(--gray-50);
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
}

.principal__quote-mark {
  font-family: var(--font-serif);
  font-size: var(--text-7xl);
  line-height: 0.8;
  color: var(--primary-500);
  margin-bottom: var(--space-2);
  font-weight: 700;
}

.principal__letter p {
  font-size: var(--text-md);
  line-height: 1.75;
  color: var(--gray-800);
  max-width: 64ch;
}

.principal__letter p:first-of-type::first-letter {
  font-family: var(--font-serif);
  font-size: 5em;
  font-weight: 700;
  color: var(--primary-500);
  float: left;
  line-height: 0.85;
  padding: 8px var(--space-3) 0 0;
}

.principal__signature {
  margin-top: var(--space-6);
}
.principal__signature svg { width: 160px; height: auto; }

.principal__name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-700);
  margin-top: var(--space-3);
}

/* =========================================================
   Pillars (Mission / Vision / Values)
   ========================================================= */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.pillar {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  position: relative;
  transition: transform var(--dur-base) var(--ease-spring),
              box-shadow var(--dur-base) var(--ease-out);
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.pillar__no {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--accent-500);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.pillar__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  color: var(--primary-500);
  margin-bottom: var(--space-5);
}
.pillar__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; }

.pillar__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.pillar__body {
  color: var(--gray-700);
  font-size: var(--text-base);
  line-height: 1.7;
}

/* =========================================================
   Course cards
   ========================================================= */
.courses {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-7);
}

.course {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-6);
  align-items: start;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: transform var(--dur-base) var(--ease-spring),
              box-shadow var(--dur-base) var(--ease-out);
}
.course:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.course__media {
  aspect-ratio: 3 / 4;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
  position: relative;
}

.course__no {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: rgba(255,255,255,0.92);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--primary-500);
}

.course__body {
  padding: var(--space-6) var(--space-5) var(--space-6) 0;
}

.course__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.course__lede {
  color: var(--gray-700);
  font-size: var(--text-base);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.course__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-4);
  margin-bottom: var(--space-5);
}

.course__meta-row {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.course__meta-row strong {
  display: block;
  font-size: var(--text-sm);
  color: var(--gray-900);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 600;
  margin-top: var(--space-1);
}

.course__outcome {
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-4);
  font-style: italic;
  color: var(--gray-700);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Even courses get reversed layout */
.course:nth-child(even) {
  grid-template-columns: 7fr 5fr;
}
.course:nth-child(even) .course__media {
  order: 2;
}
.course:nth-child(even) .course__body {
  padding: var(--space-6) 0 var(--space-6) var(--space-5);
  order: 1;
}

/* =========================================================
   Daily timeline
   ========================================================= */
.timeline {
  position: relative;
  padding: var(--space-7) 0;
}

.timeline__rail {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gray-200);
  background-image: linear-gradient(90deg, var(--primary-500) 0%, var(--accent-500) 100%);
  transform: translateY(-50%);
}

.timeline__row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-3);
  position: relative;
}

.timeline__node {
  position: relative;
  text-align: center;
  padding-top: var(--space-7);
}

.timeline__dot {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: #fff;
  border: 3px solid var(--primary-500);
  border-radius: var(--radius-full);
  z-index: 2;
  transition: transform var(--dur-base) var(--ease-spring);
}
.timeline__node:hover .timeline__dot {
  transform: translateX(-50%) scale(1.3);
  background: var(--primary-500);
}

.timeline__time {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary-500);
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.timeline__icon {
  width: 28px;
  height: 28px;
  margin: 0 auto var(--space-2);
  color: var(--gray-700);
}
.timeline__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; }

.timeline__label {
  font-size: var(--text-sm);
  color: var(--gray-900);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.timeline__note {
  font-size: var(--text-xs);
  color: var(--gray-600);
  line-height: 1.5;
}

/* =========================================================
   Staff grid
   ========================================================= */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.staff {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-spring),
              box-shadow var(--dur-base) var(--ease-out);
}
.staff:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.staff__photo {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
  filter: grayscale(15%);
}

.staff__body {
  padding: var(--space-5);
}

.staff__name {
  font-size: var(--text-md);
  margin-bottom: var(--space-1);
}

.staff__role {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-600);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.staff__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-600);
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-3);
}
.staff__meta span { display: block; }
.staff__meta strong { color: var(--gray-900); font-weight: 600; }

.staff__quote {
  font-size: var(--text-sm);
  font-style: italic;
  line-height: 1.55;
  color: var(--gray-700);
  margin-bottom: var(--space-4);
}

.staff__quote::before {
  content: '“';
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-500);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: var(--space-1);
}

.staff__email {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-500);
  word-break: break-all;
}

/* Staff featured row */
.staff--featured {
  grid-column: span 2;
  grid-row: span 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.staff--featured .staff__photo { aspect-ratio: auto; height: 100%; min-height: 320px; }

/* =========================================================
   Facilities masonry
   ========================================================= */
.facilities {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.facility {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-200);
  min-height: 220px;
  background-size: cover;
  background-position: center;
}

.facility::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.7) 100%);
}

.facility__caption {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  color: #fff;
}

.facility__title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.facility__note {
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  color: var(--gray-300);
  line-height: 1.5;
}

/* Sizes */
.facility--lg { grid-column: span 6; min-height: 360px; }
.facility--md { grid-column: span 4; min-height: 280px; }
.facility--sm { grid-column: span 3; min-height: 220px; }
.facility--wide { grid-column: span 8; min-height: 280px; }
.facility--full { grid-column: span 12; min-height: 320px; }

/* =========================================================
   Activities collage
   ========================================================= */
.activities {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.activity {
  position: relative;
  background: var(--gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  min-height: 240px;
}

.activity::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.65) 100%);
}

.activity__cap {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  color: #fff;
}

.activity__name {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

.activity__cap-text {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-300);
  line-height: 1.4;
}

.activity--xl { grid-column: span 8; min-height: 380px; }
.activity--lg { grid-column: span 6; min-height: 320px; }
.activity--md { grid-column: span 4; min-height: 280px; }

/* Offset cards (intentional misalignment) */
.activity--offset { transform: translateY(32px); }

/* =========================================================
   Student works
   ========================================================= */
.works {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-7);
}

.work {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: var(--space-5);
  align-items: start;
}

.work:nth-child(even) {
  grid-template-columns: 6fr 4fr;
}
.work:nth-child(even) .work__media {
  order: 2;
}

.work__media {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
  border-radius: var(--radius-md);
}

.work__no {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--accent-600);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.work__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  line-height: 1.25;
}

.work__author {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--gray-600);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  font-weight: 600;
}

.work__note {
  font-size: var(--text-sm);
  color: var(--gray-700);
  line-height: 1.65;
}

/* =========================================================
   Honors / stats
   ========================================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
  padding: var(--space-8) 0;
  margin-bottom: var(--space-8);
}

.stat__num {
  font-size: clamp(var(--text-5xl), 8vw, 140px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--primary-500);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: baseline;
}
.stat__num sup {
  font-size: 0.4em;
  margin-left: var(--space-2);
  color: var(--accent-500);
  font-weight: 600;
}

.stat__label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--gray-700);
  letter-spacing: 0.04em;
  line-height: 1.5;
  max-width: 26ch;
}

.honors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.honor {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}

.honor__media {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
}

.honor__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
}

.honor__year {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--accent-600);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.honor__title {
  font-size: var(--text-md);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.honor__class {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-600);
}

/* =========================================================
   Safety grid
   ========================================================= */
.safety {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.safety__item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.safety__media {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
}

.safety__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.safety__icon {
  width: 44px;
  height: 44px;
  color: var(--primary-500);
  margin-bottom: var(--space-4);
}
.safety__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; }

.safety__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  line-height: 1.25;
}

.safety__desc {
  color: var(--gray-700);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.safety__no {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent-600);
  margin-bottom: var(--space-3);
  font-weight: 600;
}

.safety__item--text { grid-row: span 1; }
.safety__item--text .safety__media { display: none; }

/* =========================================================
   Admissions
   ========================================================= */
.admit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-7) var(--space-8);
}

.admit-block {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  padding: var(--space-7) var(--space-6);
}

.admit-block__no {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--accent-600);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.admit-block__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
  line-height: 1.2;
}

.admit-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admit-block li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: var(--text-sm);
  color: var(--gray-800);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-4);
  align-items: start;
}
.admit-block li:last-child { border-bottom: none; }

.admit-block li strong {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
  font-weight: 600;
}

.admit-images {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.admit-img {
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
  border-radius: var(--radius-md);
}
.admit-img:nth-child(1) { aspect-ratio: 4 / 5; transform: translateY(0); }
.admit-img:nth-child(2) { aspect-ratio: 4 / 5; transform: translateY(32px); }
.admit-img:nth-child(3) { aspect-ratio: 4 / 5; transform: translateY(0); }
.admit-img:nth-child(4) { aspect-ratio: 4 / 5; transform: translateY(32px); }

/* CTA banner */
.cta-banner {
  background: var(--primary-500);
  color: #fff;
  padding: var(--space-9) var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.04) 0%, transparent 40%);
}

.cta-banner__inner { position: relative; }

.cta-banner__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner__title em { font-style: italic; color: var(--accent-300); font-weight: 500; }

.cta-banner__sub {
  color: var(--gray-300);
  font-size: var(--text-md);
  margin-bottom: var(--space-7);
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-9);
  text-align: left;
  position: relative;
}

.step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  position: relative;
}

.step__no {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--accent-300);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.step__icon {
  width: 36px;
  height: 36px;
  color: #fff;
  margin-bottom: var(--space-4);
}
.step__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.4; }

.step__title {
  font-size: var(--text-md);
  margin-bottom: var(--space-2);
  color: #fff;
  line-height: 1.25;
}

.step__desc {
  font-size: var(--text-xs);
  color: var(--gray-300);
  font-family: var(--font-sans);
  line-height: 1.6;
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-info {
  background: var(--primary-500);
  color: #fff;
  padding: var(--space-8) var(--space-7);
  border-radius: var(--radius-lg);
}

.contact-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.contact-info dl {
  margin: 0 0 var(--space-7);
}
.contact-info dt {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: var(--space-2);
  margin-top: var(--space-5);
}
.contact-info dt:first-of-type { margin-top: 0; }

.contact-info dd {
  margin: 0;
  font-size: var(--text-base);
  color: #fff;
  line-height: 1.55;
}
.contact-info dd a:hover { color: var(--accent-300); }

.contact-info__photo {
  margin-top: var(--space-7);
  height: 220px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-md);
  background-color: var(--gray-300);
}

.contact-form {
  background: #fff;
  padding: var(--space-8) var(--space-7);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.contact-form h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

.field {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.field--two {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.field label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-700);
  font-weight: 600;
}

.field input,
.field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: var(--text-base);
  font-family: var(--font-sans);
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  min-height: 44px;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  background: var(--gray-50);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-sans);
  line-height: 1.6;
}

.field--check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.field--check input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  min-height: auto;
  accent-color: var(--primary-500);
}
.field--check label {
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--text-sm);
  color: var(--gray-700);
  line-height: 1.5;
  font-weight: 400;
}
.field--check label a {
  text-decoration: underline;
  color: var(--primary-500);
}

.form-error {
  color: var(--error);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  margin-top: var(--space-1);
  min-height: 16px;
}

.map-wrap {
  margin-top: var(--space-7);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.map-wrap iframe {
  width: 100%;
  height: 380px;
  border: none;
  display: block;
  filter: grayscale(40%);
}

.toast {
  position: fixed;
  bottom: var(--space-7);
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--primary-500);
  color: #fff;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  z-index: 1000;
  opacity: 0;
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-5);
  max-width: 90%;
  text-align: center;
}
.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--primary-500);
  color: var(--gray-300);
  padding-top: var(--space-9);
  margin-top: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--primary-700);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__brand-mark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.footer__brand-mark img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: #fff;
}
.footer__brand-name {
  font-size: var(--text-lg);
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.footer__brand-mission {
  font-size: var(--text-sm);
  color: var(--gray-400);
  line-height: 1.6;
  max-width: 38ch;
}

.footer__col h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
}
.footer__list a:hover { color: #fff; }

.footer__contact-line {
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.footer__contact-line strong {
  display: block;
  color: var(--gray-400);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
  font-weight: 600;
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.footer__socials a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--primary-700);
  color: #fff;
  transition: background var(--dur-fast) var(--ease-out);
}
.footer__socials a:hover { background: var(--accent-600); }
.footer__socials svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }

.footer__bottom {
  padding: var(--space-6) 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: center;
  font-size: var(--text-xs);
  color: var(--gray-400);
  font-family: var(--font-sans);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}
.footer__legal a:hover { color: #fff; }

.footer__cred {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--gray-500);
  margin-top: var(--space-3);
  line-height: 1.6;
}

.back-top {
  position: fixed;
  bottom: var(--space-5);
  right: calc(var(--sidebar-w) + var(--space-5));
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--primary-500);
  color: #fff;
  display: grid;
  place-items: center;
  border: none;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-spring),
              background var(--dur-base) var(--ease-out);
}
.back-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.back-top:hover { background: var(--primary-700); }
.back-top svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

/* =========================================================
   Bleed sections (full-width breakouts)
   ========================================================= */
.bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  position: relative;
}

.bleed-img {
  width: 100%;
  height: clamp(320px, 50vh, 560px);
  background-size: cover;
  background-position: center;
  background-color: var(--gray-300);
}

.quote-block {
  padding: var(--space-9) 0;
  text-align: center;
  background: var(--gray-100);
}

.quote-block__mark {
  font-size: var(--text-7xl);
  color: var(--primary-500);
  line-height: 0.6;
  margin-bottom: var(--space-3);
}

.quote-block__text {
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
  font-style: italic;
  font-weight: 500;
  max-width: 26ch;
  margin: 0 auto;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

.quote-block__attr {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-top: var(--space-5);
  font-weight: 600;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .pillars,
  .courses {
    grid-template-columns: repeat(2, 1fr);
  }
  .staff-grid { grid-template-columns: repeat(3, 1fr); }
  .timeline__row { grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
  .timeline__rail { display: none; }
  .timeline__node { padding-top: var(--space-5); }
  .timeline__dot { position: relative; left: auto; transform: none; margin: 0 auto var(--space-3); }
  .honors { grid-template-columns: repeat(2, 1fr); }
  .safety { grid-template-columns: repeat(2, 1fr); }
  .admit-grid,
  .works,
  .contact { grid-template-columns: 1fr; gap: var(--space-7); }
  .admit-images { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 2fr 1fr 1fr; }
  .footer__brand { grid-column: span 3; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
  .principal { grid-template-columns: 1fr; gap: var(--space-7); }
  .principal__photo--small { display: none; }
  .activity--xl { grid-column: span 12; min-height: 320px; }
  .activity--lg { grid-column: span 6; }
  .activity--md { grid-column: span 6; }
  .facility--lg { grid-column: span 12; }
  .facility--md { grid-column: span 6; }
  .facility--sm { grid-column: span 6; }
  .facility--wide { grid-column: span 12; }
  .course,
  .course:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .course__media { aspect-ratio: 16 / 10; }
  .course__body,
  .course:nth-child(even) .course__body {
    padding: var(--space-5);
    order: 2;
  }
  .course:nth-child(even) .course__media { order: 1; }
}

@media (max-width: 768px) {
  body { padding-right: 0; padding-top: 64px; }
  .sidebar {
    width: 100%;
    height: auto;
    bottom: auto;
    border-left: none;
    border-bottom: 1px solid var(--primary-700);
    flex-direction: row;
    padding: var(--space-3);
    overflow-x: auto;
    transform: translateY(-100%);
    transition: transform var(--dur-base) var(--ease-out);
  }
  .sidebar.is-open { transform: translateY(0); }
  .sidebar__brand,
  .sidebar__foot { display: none; }
  .sidebar__menu {
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3) 0;
  }
  .sidebar__link { width: auto; height: 48px; justify-content: flex-start; padding: 0 var(--space-5); gap: var(--space-3); color: #fff; }
  .sidebar__link svg { width: 20px; height: 20px; }
  .sidebar__tooltip {
    position: static;
    background: transparent;
    color: inherit;
    padding: 0;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    font-size: var(--text-base);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  .sidebar__tooltip::after { display: none; }
  .sidebar__link--active::before { display: none; }
  .sidebar__link--active::after { inset: 0 var(--space-3); border-radius: var(--radius-md); }
  .sidebar__toggle { display: grid; place-items: center; }
  .sidebar__toggle--open { background: var(--accent-600); }

  .pillars,
  .courses,
  .staff-grid,
  .honors,
  .safety,
  .steps,
  .admit-images { grid-template-columns: 1fr; }
  .timeline__row { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__brand { grid-column: auto; }
  .footer__bottom { grid-template-columns: 1fr; }

  .section { padding: var(--space-7) 0; }
  .section--xl { padding: var(--space-8) 0; }
  .container { padding: 0 var(--space-4); }

  .hero__inner { padding: var(--space-7) var(--space-5) var(--space-6); }
  .hero__index { display: none; }
  .hero__controls { right: var(--space-5); bottom: var(--space-5); }
  .hero__dots { left: var(--space-5); bottom: var(--space-5); }
  .hero__heading { font-size: clamp(var(--text-3xl), 9vw, var(--text-4xl)); }

  .page-hero { padding: var(--space-8) 0 var(--space-7); }
  .page-hero__title { font-size: clamp(var(--text-2xl), 9vw, var(--text-4xl)); }

  .principal__media { margin-bottom: var(--space-5); }
  .principal__letter p:first-of-type::first-letter { font-size: 3.5em; }

  .back-top { right: var(--space-4); }
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero__media { transform: none !important; }
}