/* ==========================================================================
   Dutt Academy — Design System & Base Styles
   ========================================================================== */

:root {
  /* Brand colors */
  --color-primary: #0B1F4D;
  --color-primary-dark: #060F29;
  --color-primary-light: #1E3A73;
  --color-accent: #3D63A8;
  --color-accent-soft: #E9EDF6;
  --color-black: #0A0A0C;
  --color-white: #FFFFFF;
  --color-off-white: #F5F6F8;
  --color-muted: #62697A;
  --color-border: #E2E5EC;
  --color-gold: #A9824C;
  --color-gold-light: #C7A66F;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(6, 15, 41, 0.08);
  --shadow-md: 0 12px 30px rgba(6, 15, 41, 0.12);
  --shadow-lg: 0 24px 60px rgba(6, 15, 41, 0.22);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;

  /* Motion */
  --transition-fast: 180ms cubic-bezier(.4,0,.2,1);
  --transition-base: 280ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 500ms cubic-bezier(.4,0,.2,1);

  --container-width: 1200px;
  --navbar-height: 84px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--navbar-height); }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.modal-open {
  overflow: hidden;
  touch-action: none;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; touch-action: manipulation; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; touch-action: manipulation; }
input, select, textarea { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 2000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-3);
}
.eyebrow--light { color: var(--color-gold-light); }

.section-title {
  font-size: clamp(1.75rem, 1.4rem + 1.5vw, 2.75rem);
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-4);
}
.section-title--light { color: var(--color-white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 640px;
  line-height: 1.7;
}

.section-heading { margin-bottom: var(--space-10); }
.section-heading--light .section-subtitle { color: rgba(255,255,255,0.72); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: var(--color-primary-light); box-shadow: var(--shadow-md); transform: translateY(-2px); }

.btn--gold {
  background: var(--color-gold);
  color: var(--color-white);
}
.btn--gold:hover { background: var(--color-gold-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn--outline-light {
  border-color: rgba(255,255,255,0.5);
  color: var(--color-white);
  background: transparent;
}
.btn--outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

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

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
  padding: 14px 0;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.navbar__brand { display: inline-flex; align-items: center; }
.navbar__logo-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  padding: 8px 16px 8px 10px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.navbar__logo-img { height: 32px; width: auto; }
.navbar__wordmark { display: flex; flex-direction: column; line-height: 1.15; }
.navbar__wordmark-name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--color-primary-dark); }
.navbar__wordmark-tag { font-family: var(--font-body); font-size: 0.62rem; letter-spacing: 0.03em; color: var(--color-muted); }

.navbar__nav { flex: 1; display: flex; justify-content: center; }
.navbar__list { display: flex; gap: var(--space-6); }
.navbar__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
  position: relative;
  padding: 6px 2px;
  transition: color var(--transition-fast);
}
.navbar__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}
.navbar__link:hover::after { width: 100%; }

.navbar__cta { padding: 11px 24px; font-size: 0.88rem; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4.5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}
.navbar__toggle-bar {
  height: 2px;
  width: 25px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  transform-origin: center;
}
.navbar__toggle.is-active .navbar__toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar__toggle.is-active .navbar__toggle-bar:nth-child(2) { opacity: 0; }
.navbar__toggle.is-active .navbar__toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.navbar.is-scrolled {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
}
.navbar:not(.is-scrolled) .navbar__link { color: var(--color-white); text-shadow: 0 1px 4px rgba(0,0,0,0.35); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: var(--color-primary-dark);
  transition: max-height var(--transition-slow);
}
.mobile-menu.is-open { max-height: 480px; }
.mobile-menu__list { padding: var(--space-4) 24px var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-menu__link {
  display: block;
  padding: 12px 4px;
  color: #fff;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu__cta { margin-top: var(--space-3); text-align: center; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--navbar-height) + 64px) 0 var(--space-12);
  overflow: hidden;
  background: var(--color-primary-dark);
}
.hero__backdrop {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 55% at 82% 18%, rgba(61,99,168,0.35), transparent 60%),
    linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-dark) 100%);
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-10);
  align-items: center;
}
.hero__headline {
  font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.6rem);
  color: var(--color-white);
  line-height: 1.12;
  margin-bottom: var(--space-5);
}
.hero__lede {
  color: rgba(255,255,255,0.78);
  font-size: 1.08rem;
  max-width: 520px;
  margin-bottom: var(--space-6);
}
.hero__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6); }
.hero__trust-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--color-gold-light);
}

.hero__visual { position: relative; height: 460px; }
.hero__pages {
  position: absolute;
  top: 50%; left: 50%;
  width: 92%; height: auto;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.45));
}
.hero__card {
  position: absolute;
  background: rgba(255,255,255,0.96);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(6px);
}
.hero__card-value { font-family: var(--font-display); font-weight: 700; color: var(--color-primary-dark); font-size: 1.15rem; }
.hero__card-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em; color: var(--color-muted); text-transform: uppercase; }
.hero__card--1 { top: 6%; right: 4%; }
.hero__card--2 { bottom: 30%; left: -2%; }
.hero__card--3 { bottom: 4%; right: 10%; }

/* ==========================================================================
   Stats strip
   ========================================================================== */
.stats { background: var(--color-white); padding: var(--space-10) 0 var(--space-6); border-bottom: 1px solid var(--color-border); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  text-align: center;
}
.stats__item { display: flex; flex-direction: column; gap: 6px; }
.stats__number, .stats__text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.6rem + 1.4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-primary);
}
.stats__label { color: var(--color-muted); font-size: 0.92rem; }
.stats__disclaimer { color: var(--color-muted); font-size: 0.78rem; margin-top: var(--space-5); text-align: center; }

/* ==========================================================================
   About
   ========================================================================== */
.about { padding: var(--space-12) 0; background: var(--color-off-white); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}
.about__content { width: 100%; }
.about__subheading { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-primary-dark); margin: 0 0 var(--space-5); }

.feature-list { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-5); }
.feature-list__item { display: flex; gap: 14px; align-items: flex-start; }
.feature-list__icon {
  flex: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.feature-list__icon svg { width: 20px; height: 20px; }
.feature-list__title { font-weight: 600; color: var(--color-primary-dark); margin: 0 0 2px; }
.feature-list__desc { color: var(--color-muted); font-size: 0.9rem; margin: 0; }

/* ========================================================================
    Page not found
    ======================================================================== */
  .not-found { min-height: calc(100vh - var(--navbar-height)); padding: calc(var(--navbar-height) + var(--space-10)) 0 var(--space-8); background: var(--color-white); overflow: hidden; }
  .not-found__inner { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: var(--space-8); align-items: center; min-height: 480px; }
  .not-found__content { min-width: 0; }
  .not-found__code { color: var(--color-primary); font-family: var(--font-display); font-size: clamp(5rem, 12vw, 9rem); font-weight: 700; line-height: 0.85; }
  .not-found__title { max-width: 560px; margin-top: var(--space-5); color: var(--color-primary-dark); font-size: clamp(2rem, 3.6vw, 3.2rem); line-height: 1.08; }
  .not-found__message { max-width: 480px; margin-top: var(--space-4); color: var(--color-muted); font-size: 1.05rem; line-height: 1.65; }
  .not-found__rule { display: block; width: 120px; height: 2px; margin: var(--space-5) 0; background: var(--color-gold); }
  .not-found__return-message { color: var(--color-primary-dark); font-size: 1rem; margin-bottom: var(--space-5); }
  .not-found__home-button { padding: 13px 24px; }
  .not-found__illustration { position: relative; width: 100%; max-width: 560px; height: 430px; margin: 0 auto; overflow: hidden; background: linear-gradient(145deg, var(--color-accent-soft), var(--color-white) 68%); border-radius: var(--radius-lg); }
  .not-found__sun { position: absolute; width: 300px; height: 300px; top: 34px; left: 50%; transform: translateX(-50%); border-radius: 50%; background: rgba(233,237,246,0.75); }
  .not-found__post { position: absolute; z-index: 2; width: 22px; height: 290px; left: 50%; bottom: 62px; transform: translateX(-50%); border-radius: 10px 10px 3px 3px; background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light), var(--color-primary-dark)); box-shadow: 8px 8px 0 rgba(11,31,77,0.08); }
  .not-found__sign { position: absolute; z-index: 3; display: flex; align-items: center; justify-content: center; width: 190px; height: 54px; color: var(--color-white); background: var(--color-primary); font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; }
  .not-found__sign--top { top: 122px; left: calc(50% - 168px); transform: rotate(12deg); clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%); }
  .not-found__sign--bottom { top: 195px; left: calc(50% - 22px); color: var(--color-primary-dark); background: var(--color-white); border: 1px solid var(--color-border); transform: rotate(-8deg); clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%); }
  .not-found__book { position: absolute; z-index: 4; left: calc(50% - 142px); width: 180px; height: 28px; border: 5px solid var(--color-primary); border-radius: 10px 4px 4px 10px; background: var(--color-white); box-shadow: 10px 8px 0 var(--color-gold); }
  .not-found__book--top { bottom: 87px; transform: rotate(-4deg); }
  .not-found__book--middle { bottom: 61px; left: calc(50% - 128px); transform: rotate(3deg); border-color: var(--color-gold); box-shadow: 10px 8px 0 var(--color-primary); }
  .not-found__book--bottom { bottom: 38px; left: calc(50% - 116px); transform: rotate(-2deg); }
  .not-found__ground { position: absolute; z-index: 1; width: 76%; height: 22px; left: 12%; bottom: 32px; border-radius: 50%; background: rgba(11,31,77,0.12); }
  .not-found__help { padding: var(--space-5) 0; color: var(--color-muted); background: var(--color-off-white); text-align: center; }
  .not-found__help a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
  .not-found__help a:hover { color: var(--color-accent); }
/* ========================================================================
   Special batches
   ======================================================================== */
.special-batches { padding: var(--space-12) 0; background: var(--color-white); }
.special-batches .section-heading { margin-bottom: var(--space-6); }
.special-batches__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.special-batch-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(130px, 0.72fr);
  min-width: 0;
  min-height: 230px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.special-batch-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.special-batch-card__content { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: var(--space-5); }
.special-batch-card__eyebrow { margin-bottom: var(--space-3); color: var(--color-gold); font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600; letter-spacing: 0.08em; line-height: 1.4; }
.special-batch-card__title { color: var(--color-primary-dark); font-size: 1.35rem; line-height: 1.2; }
.special-batch-card__meta { margin-top: var(--space-3); color: var(--color-muted); font-size: 0.82rem; line-height: 1.5; }
.special-batch-card__meta strong { color: var(--color-primary); font-weight: 600; }
.special-batch-card__button { margin-top: auto; padding: 10px 16px; font-size: 0.82rem; }
.special-batch-card__image { min-width: 0; background: var(--color-accent-soft); border-left: 1px solid var(--color-border); }
.special-batch-card__image--biology { overflow: hidden; }
.special-batch-card__image--biology img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; transform: scale(1.5); transform-origin: 50% 18%; }
.special-batch-card__image--chemistry { overflow: hidden; }
.special-batch-card__image--chemistry img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; }
.special-batch-card__image--physics { overflow: hidden; }
.special-batch-card__image--physics img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 24%; }
.special-batch-card__image--akash { overflow: hidden; }
.special-batch-card__image--akash img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; }
.special-batch-card__image--sl { overflow: hidden; }
.special-batch-card__image--sl img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; }

/* ==========================================================================
   Courses
   ========================================================================== */
.courses { padding: var(--space-12) 0; }

.courses__filter-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.course-filter-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-off-white);
  color: var(--color-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.course-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
  background: var(--color-white);
}
.course-filter-btn.is-active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.course-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), border-top-color var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  min-width: 0;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  border-top-color: var(--color-gold);
}

.course-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.course-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
}
.course-card:hover .course-card__icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
}
.course-card__icon svg {
  width: 22px;
  height: 22px;
}
.course-card__category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
}

.course-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-2);
}
.course-card__desc {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  margin: 0 0 var(--space-4);
}

.course-card__suitable {
  background: var(--color-off-white);
  border-left: 3px solid var(--color-accent);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.course-card__suitable-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  font-weight: 600;
}
.course-card__suitable-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.course-card__benefits-wrap {
  margin-bottom: var(--space-5);
}
.course-card__benefits-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 8px;
  display: block;
  font-weight: 600;
}
.course-card__benefits {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.course-card__benefits li {
  font-size: 0.82rem;
  color: var(--color-primary-dark);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}
.course-card__benefit-check {
  color: var(--color-gold);
  font-weight: 700;
  flex: none;
  font-size: 0.85rem;
}

.course-card__actions {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
}
.course-card__cta {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.course-card__cta:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ---------- Course Details Modal ---------- */
.course-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-8);
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translate3d(0, 20px, 0) scale(0.98);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  will-change: transform, opacity;
  contain: content;
}
.modal-overlay.is-visible .course-modal {
  transform: translate3d(0, 0, 0) scale(1);
  opacity: 1;
}

.course-modal__header {
  margin-bottom: var(--space-5);
  padding-right: var(--space-6);
}
.course-modal__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 4px;
  display: block;
  font-weight: 600;
}
.course-modal__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-2);
}
.course-modal__desc {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

.course-modal__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: 0 0 var(--space-6);
}
.course-modal__facts dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 2px;
}
.course-modal__facts dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.88rem;
}

.course-modal__section {
  margin-bottom: var(--space-5);
}
.course-modal__section-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 4px;
}
.course-modal__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.course-modal__list li {
  font-size: 0.88rem;
  color: var(--color-primary-dark);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}
.course-modal__list--outcomes li::before {
  content: '•';
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 2px;
}
.course-modal__check {
  color: var(--color-gold);
  font-weight: 700;
  flex: none;
}
.course-modal__assessment {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-primary-dark);
  line-height: 1.55;
  background: var(--color-accent-soft);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.course-modal__cta-wrap {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.course-modal__enquire-btn {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
}

/* ==========================================================================
   Approach (dark band)
   ========================================================================== */
.approach { background: var(--color-primary-dark); padding: var(--space-12) 0; }
.approach__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-8); margin-top: var(--space-8); }
.approach__index { font-family: var(--font-mono); color: var(--color-gold-light); font-size: 0.85rem; letter-spacing: 0.08em; }
.approach__title { font-size: 1.4rem; color: var(--color-white); margin: 10px 0 10px; }
.approach__desc { color: rgba(255,255,255,0.68); font-size: 0.95rem; line-height: 1.7; }

/* ==========================================================================
   Students
   ========================================================================== */
.students { padding: var(--space-12) 0; background: var(--color-white); }
.students__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}
.student-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}
.student-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.student-card__photo-wrap { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--color-primary); }
.student-card__photo { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.student-card:hover .student-card__photo { transform: scale(1.06); }
.student-card__badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--color-gold);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.student-card__body { padding: var(--space-4); display: flex; flex-direction: column; gap: 4px; flex: 1; }
.student-card__name { font-family: var(--font-display); font-size: 1.05rem; color: var(--color-primary-dark); }
.student-card__stream { font-size: 0.82rem; color: var(--color-muted); }
.student-card__score-row { display: flex; justify-content: space-between; align-items: baseline; margin: 6px 0 4px; }
.student-card__score { font-family: var(--font-mono); font-weight: 600; color: var(--color-primary); }
.student-card__year { font-size: 0.75rem; color: var(--color-muted); }
.student-card__highlight { font-size: 0.82rem; color: var(--color-muted); margin-bottom: var(--space-3); }
.student-card__cta {
  margin-top: auto;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  text-align: center;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: background var(--transition-fast), color var(--transition-fast);
  background: none;
  width: 100%;
}
.student-card__cta:hover { background: var(--color-primary); color: #fff; }

/* Student Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(6, 15, 41, 0.6);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  will-change: opacity;
  touch-action: manipulation;
}
.modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.modal-overlay[hidden] { display: none; }

.student-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-8);
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translate3d(0, 20px, 0) scale(0.98);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  will-change: transform, opacity;
  contain: content;
}
.modal-overlay.is-visible .student-modal { transform: translate3d(0, 0, 0) scale(1); opacity: 1; }

.modal__close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-off-white);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-primary-dark);
  display: flex; align-items: center; justify-content: center;
}
.modal__close:hover { background: var(--color-primary); color: #fff; }

.student-modal__header { display: flex; gap: var(--space-4); align-items: center; margin-bottom: var(--space-6); }
.student-modal__photo { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; border: 3px solid var(--color-accent-soft); }
.student-modal__eyebrow { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; color: var(--color-accent); margin-bottom: 4px; }
.student-modal__name { font-size: 1.4rem; color: var(--color-primary-dark); }
.student-modal__course { color: var(--color-muted); font-size: 0.9rem; }

.student-modal__ledger {
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}
.student-modal__ledger-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}
.ledger-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.9rem; }
.ledger-table td { padding: 7px 0; border-bottom: 1px dashed var(--color-border); color: var(--color-primary-dark); }
.ledger-table td:last-child { text-align: right; font-weight: 600; }
.ledger-table tr:last-child td { border-bottom: none; }
.student-modal__overall {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-primary);
  font-family: var(--font-mono);
}
.student-modal__overall-value { font-size: 1.4rem; font-weight: 700; color: var(--color-primary); }

.student-modal__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin: 0 0 var(--space-6); }
.student-modal__facts--two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.student-modal__facts dt { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 4px; }
.student-modal__facts dd { margin: 0; font-weight: 600; color: var(--color-primary-dark); font-size: 0.88rem; }

.student-modal__quote {
  margin: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  position: relative;
}
.student-modal__quote-mark {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
  user-select: none;
}
.student-modal__quote-text {
  margin: 0;
  font-style: italic;
  color: var(--color-primary-dark);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   Results
   ========================================================================== */
.results { padding: var(--space-12) 0; background: var(--color-off-white); }
.results__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
.results__card {
  min-width: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.results__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.results__value { display: block; font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--color-primary); margin-bottom: 6px; }
.results__label { color: var(--color-muted); font-size: 0.85rem; }

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-10) 0;
}
.cta-banner__inner { text-align: center; }
.cta-banner__title { color: var(--color-white); font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem); margin-bottom: var(--space-3); }
.cta-banner__text { color: rgba(255,255,255,0.75); margin-bottom: var(--space-6); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { padding: var(--space-12) 0; }
.contact__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--space-10); min-width: 0; }
.contact__channels { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-6); }
.contact__channel {
  display: flex; align-items: center; gap: 14px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.contact__channel:hover { border-color: var(--color-accent); transform: translateX(4px); }
.contact__channel-icon {
  width: 42px; height: 42px; flex: none;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.contact__channel-icon svg { width: 20px; height: 20px; }
.contact__channel-title { display: block; font-weight: 600; color: var(--color-primary-dark); font-size: 0.92rem; }
.contact__channel-sub { display: block; font-size: 0.82rem; color: var(--color-muted); }

.contact__form {
  width: 100%;
  max-width: 920px;
  background: var(--color-white);
  border: 0;
  border-radius: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}
.form-row { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.form-row[hidden] { display: none; }
.form-row label { font-size: 1rem; font-weight: 700; color: var(--color-primary-dark); }
.form-required {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 4px;
  border-radius: 50%;
  background: #E5E7EB;
  color: #6B7280;
  font-size: 0.7rem;
  line-height: 1;
  vertical-align: 2px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid #D1D5DB;
  border-radius: 11px;
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-size: 1rem;
  min-height: 50px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #9CA3AF; }
.form-row textarea { min-height: 156px; resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(61,99,168,0.15);
  outline: none;
}
.form-row input.is-invalid, .form-row select.is-invalid, .form-row textarea.is-invalid {
  border-color: #C0392B;
}
.form-row--split { flex-direction: column; gap: 28px; min-width: 0; }
.form-row--split > div { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.form-error { font-size: 0.78rem; color: #C0392B; min-height: 1em; }
.contact__consent { display: flex; flex-direction: column; gap: 6px; }
.contact__consent-label { display: flex; align-items: flex-start; gap: 10px; color: var(--color-muted); font-size: 0.86rem; line-height: 1.55; cursor: pointer; }
.contact__consent-label input { width: 18px; height: 18px; flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--color-primary); cursor: pointer; }
.contact__consent-label a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.contact__consent-label a:hover { color: var(--color-accent); }
.contact__consent-label input.is-invalid { outline: 2px solid #C0392B; outline-offset: 2px; }
.contact__submit { margin-top: var(--space-2); }
.contact__success { color: #1E7A46; font-size: 0.9rem; font-weight: 600; }

/* ========================================================================
  Privacy policy
  ======================================================================== */
.privacy-page { min-height: 100vh; padding: var(--space-12) 0; background: var(--color-off-white); }
.privacy-page__inner { max-width: 760px; }
.privacy-page__back { display: inline-block; margin-bottom: var(--space-8); color: var(--color-primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.privacy-page__inner h2 { margin-top: var(--space-8); margin-bottom: var(--space-2); color: var(--color-primary-dark); font-size: 1.35rem; }
.privacy-page__effective-date { margin-bottom: var(--space-5); color: var(--color-muted); }
.privacy-page__list { list-style: disc; margin: var(--space-3) 0 var(--space-4) 1.25rem; padding-left: var(--space-4); color: var(--color-muted); }
.privacy-page__list li { margin-bottom: var(--space-1); padding-left: var(--space-1); }
.privacy-page__note { font-style: italic; }
.privacy-page__inner p:not(.eyebrow):not(.section-subtitle) { color: var(--color-muted); }

/* ==========================================================================
   Map
   ========================================================================== */
.map-section { padding: 0 0 var(--space-12); }
.map-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.map-card__frame { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); height: 260px; }
.map-card__frame iframe { width: 100%; height: 100%; border: 0; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.75); padding: var(--space-12) 0 var(--space-6); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr) minmax(0, 1fr) minmax(0, 0.7fr); gap: var(--space-8); padding-bottom: var(--space-8); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer__logo-row { display: flex; align-items: center; gap: 10px; margin-bottom: var(--space-4); }
.footer__logo { height: 36px; width: auto; }
.footer__wordmark { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: #fff; }
.footer__tagline { font-family: var(--font-display); font-style: italic; color: var(--color-gold-light); margin-bottom: var(--space-3); }
.footer__desc { font-size: 0.88rem; line-height: 1.7; }
.footer__heading { color: #fff; font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: var(--space-4); }
.footer__links ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a, .footer__contact a { font-size: 0.9rem; transition: color var(--transition-fast); }
.footer__links a:hover, .footer__contact a:hover { color: #fff; }
.footer__contact p { font-size: 0.9rem; margin-bottom: 8px; }
.footer__social-links { display: flex; align-items: center; gap: 12px; }
.footer__social-links a { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.75); border: 1px solid rgba(255,255,255,0.22); border-radius: 50%; transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast); }
.footer__social-links a:hover, .footer__social-links a:focus-visible { color: #fff; border-color: var(--color-gold-light); background: rgba(169,130,76,0.16); transform: translateY(-2px); }
.footer__social-links a:focus-visible { outline: 2px solid var(--color-gold-light); outline-offset: 3px; }
.footer__social-links svg { width: 19px; height: 19px; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-6); font-size: 0.82rem; flex-wrap: wrap; gap: 8px; }
.footer__slogan { font-family: var(--font-display); font-style: italic; color: var(--color-gold-light); }
.footer__legal-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer__legal-links a { color: rgba(255,255,255,0.75); transition: color var(--transition-fast); }
.footer__legal-links a:hover, .footer__legal-links a:focus-visible { color: var(--color-gold-light); }

/* ==========================================================================
   Reveal animations
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms cubic-bezier(.4,0,.2,1), transform 600ms cubic-bezier(.4,0,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }