:root {
  --blue: #154e86;
  --blue-dark: #0f3459;
  --blue-light: #339eeb;
  --beige: #fde9d9;
  --beige-dark: #d9b08f;
  --cream: #fff8f1;
  --text: #243444;
  --shadow: 0 16px 40px rgba(21, 44, 76, 0.12);
  --radius: 18px;
  --container: min(1180px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background: linear-gradient(180deg, #fffefd 0%, #fff7ef 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.utility-bar {
  background: var(--blue-dark);
  color: #fff;
  font-size: 0.88rem;
}

.utility-wrap,
.utility-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.utility-wrap {
  justify-content: space-between;
  padding: 10px 0;
  flex-wrap: wrap;
}

.utility-links a {
  opacity: 0.92;
}

.utility-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

.site-header {
  background: linear-gradient(180deg, #fff 0%, #fff8ef 100%);
  border-bottom: 1px solid rgba(21, 78, 134, 0.1);
}

.header-inner {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  align-items: center;
  padding: 20px 0;
}

.site-logo {
  width: 96px;
  justify-self: center;
}

.site-kicker,
.site-subtitle,
.site-meta,
.site-meta-small,
.site-title-group h1 {
  margin: 0;
}

.site-kicker {
  color: var(--blue);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-title-group h1 {
  margin-top: 8px;
  color: var(--blue-dark);
  font-size: clamp(1.25rem, 2vw, 2rem);
  line-height: 1.25;
  text-transform: uppercase;
}

.site-subtitle {
  margin-top: 6px;
  color: #7c522a;
  font-weight: 700;
}

.site-meta {
  margin-top: 8px;
  color: #8d5c30;
  font-weight: 700;
}

.site-meta-small {
  margin-top: 6px;
  font-size: 0.92rem;
  color: #53687d;
}

.main-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(21, 78, 134, 0.12);
}

.nav-grid {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 10px 0;
}

.nav-grid > a,
.nav-group > button {
  border: 0;
  background: transparent;
  color: var(--blue-dark);
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.nav-grid > a:hover,
.nav-group > button:hover {
  color: var(--blue-light);
}

.nav-group {
  position: relative;
}

.dropdown {
  position: absolute;
  left: 50%;
  top: calc(100% + 6px);
  transform: translateX(-50%);
  min-width: 240px;
  display: grid;
  gap: 4px;
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(21, 78, 134, 0.1);
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.dropdown a {
  padding: 10px 12px;
  border-radius: 10px;
}

.dropdown a:hover {
  background: rgba(51, 158, 235, 0.1);
}

.nav-group:hover .dropdown,
.nav-group:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  min-height: 620px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroFade 24s infinite;
}

.hero-slide:nth-child(2) {
  animation-delay: 6s;
}

.hero-slide:nth-child(3) {
  animation-delay: 12s;
}

.hero-slide:nth-child(4) {
  animation-delay: 18s;
}

.hero-slide.active {
  opacity: 1;
}

.hero-caption {
  width: var(--container);
  margin: 0 auto;
  padding: 150px 0 120px;
  color: #fff;
}

.hero-eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.86rem;
}

.hero-caption h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.welcome-band,
.courses-section,
.gallery-section,
.facilities-section {
  padding: 72px 0;
}

.achievements-section,
.principal-section,
.vision-section,
.quick-links-section {
  padding: 72px 0;
  background: var(--beige);
}

.split-layout,
.principal-grid,
.links-columns,
.footer-grid {
  display: grid;
  gap: 28px;
}

.split-layout {
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
}

.panel,
.achievement-card,
.course-card,
.gallery-card,
.vision-grid article {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 28px;
}

.panel-intro {
  border-top: 6px solid var(--blue-light);
}

.panel-announcements {
  background: linear-gradient(180deg, #fcfffe 0%, #eef8ff 100%);
  border-top: 6px solid var(--blue);
}

.section-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel h3,
.section-heading h3,
.principal-grid h3 {
  margin: 0 0 18px;
  color: var(--blue-dark);
  font-size: clamp(1.6rem, 2.4vw, 2.5rem);
  line-height: 1.2;
}

.panel p,
.principal-grid p,
.vision-grid p,
.links-columns p,
.site-footer p {
  margin: 0 0 14px;
  line-height: 1.8;
}

.signature {
  margin-top: 22px;
  font-weight: 700;
  color: #7e5732;
}

.announcement-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 14px;
  max-height: 500px;
  overflow: auto;
}

.announcement-list li::marker {
  color: var(--blue-light);
}

.announcement-list a:hover {
  color: var(--blue);
  text-decoration: underline;
}

.centered {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
}

.section-heading p {
  margin: 0;
  color: #647688;
}

.achievement-grid,
.course-grid,
.gallery-grid,
.vision-grid,
.quick-links-grid {
  display: grid;
  gap: 24px;
}

.achievement-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.achievement-card,
.gallery-card {
  overflow: hidden;
}

.achievement-card img,
.gallery-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.achievement-card h4,
.gallery-card h4,
.course-card h4,
.links-columns h4,
.site-footer h3 {
  margin: 0;
  color: var(--blue-dark);
}

.achievement-card h4,
.achievement-card p {
  text-align: center;
}

.achievement-card h4,
.achievement-card p,
.gallery-card h4 {
  padding: 0 18px;
}

.achievement-card h4 {
  margin-top: 18px;
}

.achievement-card p {
  margin: 8px 0 20px;
  color: #6f7f8d;
}

.principal-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 320px);
  align-items: center;
}

.principal-photo {
  margin: 0;
  padding: 18px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.principal-photo img {
  border-radius: 18px;
}

.course-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card {
  overflow: hidden;
}

.course-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.course-card h4,
.course-card ul {
  padding-left: 22px;
  padding-right: 22px;
}

.course-card h4 {
  margin-top: 20px;
}

.course-card ul {
  margin: 16px 0 24px;
  line-height: 1.9;
}

.vision-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.vision-grid article {
  padding: 24px;
}

.vision-grid ul,
.links-columns ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.9;
}

.quick-links-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.quick-links-grid a {
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 18px;
  text-align: center;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  color: var(--blue-dark);
  font-weight: 700;
}

.quick-links-grid a:hover {
  background: var(--blue);
  color: #fff;
}

.gallery-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gallery-card h4 {
  padding: 18px;
  min-height: 78px;
}

.links-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 32px;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.links-columns a:hover,
.site-footer a:hover {
  color: var(--blue-light);
}

.site-footer {
  color: #e9f2fb;
  background: linear-gradient(180deg, #1a4068 0%, #102944 100%);
}

.footer-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 56px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-bottom p {
  margin: 0;
  padding: 14px 0 18px;
  text-align: center;
}

@keyframes heroFade {
  0%, 20% {
    opacity: 1;
  }
  25%, 100% {
    opacity: 0;
  }
}

@media (max-width: 1100px) {
  .achievement-grid,
  .course-grid,
  .vision-grid,
  .gallery-grid,
  .quick-links-grid,
  .footer-grid,
  .links-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .header-inner,
  .split-layout,
  .principal-grid,
  .achievement-grid,
  .course-grid,
  .vision-grid,
  .gallery-grid,
  .quick-links-grid,
  .links-columns,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    text-align: center;
  }

  .site-logo {
    margin: 0 auto;
  }

  .hero-slides {
    min-height: 500px;
  }

  .hero-caption {
    padding: 120px 0 90px;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100vw - 24px, 100%);
  }

  .utility-wrap,
  .utility-links,
  .nav-grid {
    gap: 8px;
  }

  .panel,
  .vision-grid article,
  .links-columns {
    padding: 20px;
  }

  .hero-slides {
    min-height: 440px;
  }
}