:root {
  --navy: #1e3a8a;
  --blue: #3b82f6;
  --yellow: #facc15;
  --gray: #f3f4f6;
  --ink: #111827;
  --muted: #5b6678;
  --line: #dbe4f0;
  --white: #ffffff;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(30, 58, 138, .13);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 82px 0; }
.soft { background: var(--gray); }
.band {
  background: linear-gradient(90deg, rgba(30,58,138,.96), rgba(59,130,246,.94)), url("https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?auto=format&fit=crop&w=1600&q=70") center/cover;
  color: var(--white);
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: 0;
  font-weight: 800;
}
.band .eyebrow, .cta .eyebrow, .hero-slide .eyebrow, .page-hero .eyebrow { color: var(--yellow); }
h1, h2, h3 { line-height: 1.12; margin: 0 0 16px; letter-spacing: 0; }
h1 { font-size: clamp(2.15rem, 5vw, 4.5rem); max-width: 860px; }
h2 { font-size: clamp(1.75rem, 3vw, 2.65rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 16px; color: var(--muted); }
.band p, .cta p, .hero-slide p, .page-hero p { color: rgba(255,255,255,.9); }
.lead { font-size: 1.1rem; color: #334155; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.topbar { background: var(--navy); color: var(--white); font-size: .86rem; }
.topbar-inner {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.topbar a { color: var(--white); opacity: .94; }
.top-social { margin-left: auto; display: flex; gap: 14px; }
.nav-row {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
}
.brand-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
}
.brand strong { display: block; color: var(--navy); line-height: 1.1; }
.brand small { display: block; color: var(--muted); font-weight: 700; }
.custom-logo { max-height: 58px; width: auto; }
.primary-nav { margin-left: auto; }
.primary-nav ul, .site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.primary-nav .menu {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 700;
  font-size: .94rem;
}
.primary-nav a:hover, .site-footer a:hover { color: var(--blue); }
.nav-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: var(--radius);
  font-weight: 800;
  border: 1px solid transparent;
  line-height: 1.1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-icon-cta {
  width: 46px;
  min-width: 46px;
  height: 46px;
  padding: 0;
}
.nav-icon-cta svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}
.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.icon-link svg, .social-icon svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  fill: currentColor;
}
.social-icon {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(255,255,255,.12);
  color: currentColor;
}
.social-icon.labeled {
  width: auto;
  padding: 9px 12px;
  display: inline-flex;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
}
.nav-cta, .btn.primary {
  background: var(--yellow);
  color: #172554;
  box-shadow: 0 10px 24px rgba(250,204,21,.22);
}
.btn.light { background: var(--white); color: var(--navy); }
.btn.outline { border-color: currentColor; color: var(--navy); background: transparent; }
.band .btn.outline { color: var(--white); }
.btn:hover, .nav-cta:hover { transform: translateY(-2px); }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); border-radius: var(--radius); padding: 10px 14px; font-weight: 800; }

.hero-slider { min-height: 620px; }
.hero-slide {
  min-height: 620px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: var(--white);
  position: relative;
}
.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(30,58,138,.88), rgba(30,58,138,.42));
}
.hero-slide.classroom { background-image: url("https://images.unsplash.com/photo-1509062522246-3755977927d7?auto=format&fit=crop&w=1800&q=70"); }
.hero-slide.library { background-image: url("https://images.unsplash.com/photo-1521587760476-6c12a4b040da?auto=format&fit=crop&w=1800&q=70"); }
.hero-slide.science-lab { background-image: url("https://images.unsplash.com/photo-1532094349884-543bc11b234d?auto=format&fit=crop&w=1800&q=70"); }
.hero-content { position: relative; z-index: 2; }
.hero-content p { max-width: 680px; font-size: 1.15rem; }
.swiper-button-prev, .swiper-button-next { color: var(--white); }
.swiper-pagination-bullet-active { background: var(--yellow); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: 42px;
  align-items: center;
}
.section-head { max-width: 700px; margin-bottom: 34px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.facilities-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card, .contact-panel, .value-stack article, .process-list article, .timing-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 24px rgba(15,23,42,.05);
}
.info-card:hover, .gallery-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-card { transition: transform .2s ease, box-shadow .2s ease; }
.card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: #dbeafe;
  color: var(--navy);
  font-weight: 900;
  margin-bottom: 16px;
}
.feature-strip, .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.feature-strip span, .pill-row span {
  padding: 11px 14px;
  border-radius: var(--radius);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  font-weight: 800;
  color: var(--navy);
}
.band .pill-row span { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.25); color: var(--white); }
.timing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.timing-card strong {
  display: block;
  color: var(--navy);
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.band .timing-card strong { color: var(--yellow); }
.timing-card span {
  display: block;
  color: var(--ink);
  font-weight: 900;
  font-size: 1.35rem;
}
.band .timing-card { background: rgba(255,255,255,.11); border-color: rgba(255,255,255,.24); }
.band .timing-card span, .band .timing-card small { color: var(--white); }
.timing-card.large { min-height: 260px; display: flex; flex-direction: column; justify-content: center; }

.gallery-grid, .gallery-placeholders {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.gallery-tile, .placeholder-photo {
  min-height: 190px;
  position: relative;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius);
  background: #dbeafe;
  color: var(--white);
  cursor: pointer;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.gallery-tile img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  transition: transform .35s ease;
}
.gallery-tile:hover img { transform: scale(1.06); }
.gallery-tile span, .placeholder-photo {
  display: flex;
  align-items: end;
  padding: 18px;
  font-weight: 900;
}
.gallery-tile span {
  position: absolute;
  inset: auto 0 0;
  min-height: 74px;
  background: linear-gradient(0deg, rgba(15,23,42,.82), transparent);
}
.placeholder-photo {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  min-height: 210px;
}
.center { text-align: center; margin-top: 28px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.filter-btn {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 800;
  cursor: pointer;
}
.filter-btn.active { background: var(--navy); color: var(--white); }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(15,23,42,.86);
  padding: 24px;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 78vh; border-radius: var(--radius); box-shadow: var(--shadow); }
.lightbox p { color: var(--white); font-weight: 800; margin-top: 12px; }
.lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  border: 0;
  font-size: 1.8rem;
  cursor: pointer;
}

.page-hero {
  min-height: 320px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(30,58,138,.92), rgba(59,130,246,.7)), url("https://images.unsplash.com/photo-1577896851231-70ef18881754?auto=format&fit=crop&w=1800&q=70") center/cover;
  color: var(--white);
}
.page-hero.compact { min-height: 220px; }
.prose { max-width: 820px; }
.value-stack, .process-list { display: grid; gap: 16px; }
.process-list article { display: flex; gap: 16px; align-items: center; }
.process-list strong {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: var(--yellow);
  color: var(--navy);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.social-cards { display: grid; gap: 10px; }
.social-cards a {
  border: 1px solid var(--line);
  padding: 12px 14px;
  border-radius: var(--radius);
  font-weight: 800;
}
.map-box iframe, .map-placeholder {
  width: 100%;
  min-height: 380px;
  border: 0;
  border-radius: var(--radius);
}
.map-placeholder {
  display: grid;
  place-items: center;
  text-align: center;
  background: #dbeafe;
  color: var(--navy);
  padding: 24px;
}
.cta {
  background: linear-gradient(90deg, rgba(30,58,138,.96), rgba(59,130,246,.92)), url("https://images.unsplash.com/photo-1497633762265-9d179a990aa6?auto=format&fit=crop&w=1800&q=70") center/cover;
  color: var(--white);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.cta h2 { max-width: 760px; }

.site-footer {
  background: #0f172a;
  color: var(--white);
  padding: 58px 0 0;
}
.site-footer p, .site-footer a { color: rgba(255,255,255,.8); }
.site-footer h2 { font-size: 1.15rem; color: var(--white); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 34px;
}
.site-footer li { margin-bottom: 8px; }
.social-row { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-bottom {
  margin-top: 38px;
  padding: 18px 16px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.72);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom span {
  display: block;
}
.footer-bottom a {
  color: var(--yellow);
  font-weight: 800;
}
.developer-credit {
  margin-left: auto;
  text-align: right;
}
.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 62px;
  height: 62px;
  z-index: 60;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #2ee66b 0%, #20bd58 100%);
  color: var(--white);
  font-weight: 900;
  border: 3px solid var(--white);
  box-shadow: 0 14px 34px rgba(37,211,102,.34), 0 3px 10px rgba(15,23,42,.16);
}
.floating-whatsapp svg {
  width: 36px;
  height: 36px;
  fill: currentColor;
}
.nav-cta .icon-link svg,
.btn.icon-link svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 980px) {
  .top-social { margin-left: 0; }
  .nav-row { flex-wrap: wrap; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .primary-nav {
    display: none;
    order: 10;
    width: 100%;
    margin: 0;
  }
  .primary-nav.open { display: block; }
  .primary-nav .menu { display: grid; gap: 0; border-top: 1px solid var(--line); padding-top: 12px; }
  .primary-nav a { display: block; padding: 10px 0; }
  .nav-cta { display: none; }
  .split, .footer-grid, .contact-grid { grid-template-columns: 1fr; }
  .card-grid, .facilities-grid, .gallery-grid, .gallery-placeholders { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-inner { display: block; }
}

@media (max-width: 640px) {
  .section { padding: 58px 0; }
  .hero-slider, .hero-slide { min-height: 560px; }
  .topbar-inner { gap: 10px; padding: 8px 0; }
  .brand { min-width: 0; }
  .brand small { font-size: .72rem; }
  .card-grid, .facilities-grid, .gallery-grid, .gallery-placeholders, .timing-grid { grid-template-columns: 1fr; }
  .gallery-tile img { height: 240px; }
  .button-row { flex-direction: column; }
  .btn { width: 100%; }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
  .developer-credit {
    margin-left: 0;
    text-align: center;
  }
}