/* ==========================================================================
   VVS Gandhi Centenary English Primary School – Main Stylesheet
   Theme: Beige + Light Blue (Soft Academic Palette)
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-navy:        #1F2D3D;
  --color-navy-dark:   #243447;
  --color-navy-mid:    #3D5A80;
  --color-blue:        #5B8DEF;
  --color-blue-mid:    #AFCBFF;
  --color-blue-light:  #DCEEFF;
  --color-accent:      #f0a500;
  --color-white:       #ffffff;
  --color-gray-50:     #F8F4EC;
  --color-gray-100:    #FFFDF8;
  --color-gray-200:    #EDE8DE;
  --color-gray-400:    #9aa3b4;
  --color-gray-600:    #5F6B7A;
  --color-gray-800:    #1F2D3D;
  --color-heading:     #1A1A1A;
  --color-text:        #333333;
  --color-text-muted:  #5F6B7A;
  --color-success:     #18a35a;
  --color-error:       #d63031;
  --color-home-icon:   #eba21e;

  /* Typography */
  --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs:   0.875rem;
  --font-size-sm:   1rem;
  --font-size-base: 1.125rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5rem;
  --font-size-2xl:  1.875rem;
  --font-size-3xl:  2.25rem;
  --font-size-4xl:  3rem;
  --font-size-5xl:  3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1180px;
  --header-height: 84px;
  --top-bar-height: 38px;
  --total-header: calc(var(--header-height) + var(--top-bar-height));

  /* Borders & Shadows */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-full: 9999px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);

  /* Transitions */
  --transition: 0.25s ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Main Content Area (dynamic page container)
   -------------------------------------------------------------------------- */
#main-content {
  flex: 1;
  padding-top: var(--total-header);
}

/* Dynamic section show / hide */
.content-section {
  display: none;
}

.content-section.page-active {
  display: block;
  animation: pageFadeIn 0.35s ease both;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--color-navy); }

ul { list-style: none; }

address { font-style: normal; }


/* --------------------------------------------------------------------------
   Utility: Visually hidden (accessible to screen readers)
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Utility: Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* --------------------------------------------------------------------------
   Utility: Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.7rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}
.btn-primary:hover {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-outline-dark:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn-full { width: 100%; justify-content: center; }

/* --------------------------------------------------------------------------
   Top Info Bar
   -------------------------------------------------------------------------- */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--color-blue-light);
  height: var(--top-bar-height);
  display: flex;
  align-items: center;
}

.top-bar-inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar-contact,
.top-bar-social {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-navy);
}

.top-bar-contact i,
.top-bar-social i { font-size: 0.8rem; }

.top-bar-contact a,
.top-bar-social a {
  color: var(--color-navy);
  font-weight: 500;
  transition: color var(--transition);
}
.top-bar-contact a:hover,
.top-bar-social a:hover { color: var(--color-blue); }

.top-bar-social a {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.top-bar-social a i {
  font-size: 1rem;
  color: #cc0000;
}

.top-bar-home {
  border: 2px solid #000;
  border-radius: 6px;
  padding: 3px 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.top-bar-home i {
  font-size: 1.6rem;
  color: #FFB300 !important;
}

/* --------------------------------------------------------------------------
   Main Header
   -------------------------------------------------------------------------- */
.main-header {
  position: fixed;
  top: var(--top-bar-height);
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-gray-100);
  height: var(--header-height);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: box-shadow var(--transition);
}

.main-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,.10);
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-4);
}

/* Brand / Logo */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo {
  width: 66px;
  height: 66px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-logo--sm {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.logo-circle {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-circle--sm {
  width: 42px;
  height: 42px;
}

.logo-text {
  color: var(--color-white);
  font-weight: 800;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-navy);
}

.brand-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Navigation */
.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.main-nav a {
  display: block;
  padding: 0.45rem 0.8rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-navy);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-blue);
  background: var(--color-blue-light);
}

.main-nav .nav-cta {
  background: linear-gradient(135deg, var(--color-blue), var(--color-blue-mid));
  color: var(--color-white) !important;
  border-radius: var(--radius-full);
  padding: 0.45rem 1.1rem;
}
.main-nav .nav-cta:hover {
  background: linear-gradient(135deg, #4a7de0, #91baf7) !important;
  color: var(--color-white) !important;
}

/* Dropdown Navigation */
.main-nav li.has-dropdown {
  position: relative;
}

.main-nav li.has-dropdown > a {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-caret {
  font-size: 0.65rem;
  transition: transform var(--transition);
}

.main-nav li.has-dropdown:hover .nav-caret {
  transform: rotate(180deg);
}

.main-nav .dropdown {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 190px;
  background: var(--color-gray-100);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0;
  z-index: 1000;
  list-style: none;
  border-top: 3px solid var(--color-blue);
  /* Smooth fade + slide transition; hidden by default */
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
  pointer-events: none;
}

.main-nav li.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: auto;
}

.main-nav .dropdown li a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-navy);
  border-radius: 0;
  white-space: nowrap;
  background: none;
}

.main-nav .dropdown li a:hover {
  color: var(--color-blue);
  background: var(--color-blue-light);
}

/* Hamburger toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Animated hamburger → X */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Section Layout Helpers
   -------------------------------------------------------------------------- */
.section {
  padding-block: var(--space-20);
  scroll-margin-top: var(--total-header);
}

/* Offset for anchored ids nested within sections */
#nursery, #primary {
  scroll-margin-top: var(--total-header);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.section-sub {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  max-width: 640px;
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   Home Carousel Section
   -------------------------------------------------------------------------- */
.home-carousel-section {
  padding: 0;
  margin: 0;
  overflow: hidden;
}

/* Override page-active display so carousel is block, not flex */
.home-carousel-section.page-active {
  display: block;
}

.home-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #000;
  /* Full-viewport width, edge-to-edge */
  line-height: 0;
}

.home-carousel-track {
  position: relative;
  width: 100%;
}

.home-carousel-slide {
  display: none;
  position: relative;
  width: 100%;
  animation: carouselFadeIn 0.7s ease;
}

.home-carousel-slide.active {
  display: block;
}

@keyframes carouselFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.home-carousel-slide img {
  display: block;
  width: 100%;
  height: clamp(260px, 55vw, 680px);
  object-fit: cover;
  object-position: center;
}

/* Caption overlay */
.home-carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  padding: clamp(1rem, 3vw, 2.5rem) clamp(1rem, 5vw, 4rem) clamp(1rem, 2.5vw, 2rem);
  text-align: center;
  line-height: 1.4;
}

.home-carousel-caption p {
  display: inline-block;
  margin: 0;
  color: #fff;
  font-size: clamp(0.95rem, 2.2vw, 1.4rem);
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  max-width: 860px;
}

/* Prev / Next arrows */
.home-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  border: none;
  color: #fff;
  width: clamp(36px, 5vw, 52px);
  height: clamp(36px, 5vw, 52px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.85rem, 1.5vw, 1.15rem);
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s ease, transform 0.2s ease;
}

.home-carousel-btn:hover,
.home-carousel-btn:focus-visible {
  background: rgba(0,0,0,0.75);
  outline: none;
}

.home-carousel-prev { left: clamp(8px, 2vw, 20px); }
.home-carousel-next { right: clamp(8px, 2vw, 20px); }

/* Dot indicators */
.home-carousel-indicators {
  position: absolute;
  bottom: clamp(8px, 2vw, 18px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.home-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.home-carousel-dot.active,
.home-carousel-dot:hover {
  background: #fff;
  border-color: #fff;
  transform: scale(1.25);
}

.home-carousel-dot:focus-visible {
  outline: 2px solid var(--color-accent, #f59e0b);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-section { background: var(--color-gray-100); }

.about-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

/* School history card */
.school-history-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border-left: 4px solid var(--color-blue);
}

.school-history-card p {
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.7;
}

.school-history-card p:last-child {
  margin-bottom: 0;
}

/* Vision & Mission */
.motto-section {
  text-align: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border-top: 3px solid var(--color-blue);
  margin-bottom: var(--space-6);
}

.motto-section h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.motto-text {
  color: var(--color-error);
  font-size: var(--font-size-lg);
  font-weight: 600;
  font-family: 'Playfair Display', serif;
}

.vision-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.vm-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  border-top: 3px solid var(--color-blue);
  transition: box-shadow var(--transition), transform var(--transition);
}
.vm-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.vm-icon {
  width: 60px;
  height: 60px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-blue);
  margin: 0 auto var(--space-4);
}

.vm-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.vm-card p { color: var(--color-text); }

/* Achievements stats */
.achievements-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  text-align: center;
  margin-bottom: var(--space-6);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 75%;
  margin: 0 auto;
}

.stat-card {
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-mid));
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

/* Achiever card – text + image layout */
.achiever-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  margin-top: var(--space-8);
}

.achiever-text p {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.8;
}

.achiever-image-wrap {
  display: flex;
  justify-content: center;
}

.achiever-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: var(--radius-lg, 12px);
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

@media (max-width: 900px) {
  .achiever-card {
    grid-template-columns: 1fr;
  }
  .achiever-image-wrap {
    order: -1;
  }
}

/* --------------------------------------------------------------------------
   Why Choose Us Section
   -------------------------------------------------------------------------- */
.why-section { background: var(--color-gray-50); }

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

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  border-bottom: 3px solid transparent;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-bottom-color: var(--color-blue);
}

.feature-icon {
  width: 72px;
  height: 72px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-blue);
  margin: 0 auto var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--color-blue);
  color: var(--color-white);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.feature-card p { color: var(--color-text); }

/* --------------------------------------------------------------------------
   Infrastructure – Alternating Split Layout
   -------------------------------------------------------------------------- */
.infra-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  margin-bottom: var(--space-12);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

.infra-split:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* Reverse: image on the right, content on the left */
.infra-split--reverse {
  direction: rtl;
}
.infra-split--reverse > * {
  direction: ltr;
}

.infra-split__image {
  overflow: hidden;
  height: 100%;
  min-height: 280px;
}

.infra-split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s ease;
}

.infra-split:hover .infra-split__image img {
  transform: scale(1.05);
}

.infra-split__content {
  padding: var(--space-10) var(--space-8);
}

.infra-split__icon {
  width: 64px;
  height: 64px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-blue);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.infra-split:hover .infra-split__icon {
  background: var(--color-blue);
  color: var(--color-white);
}

.infra-split__content h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}

.infra-split__content p {
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Academics / Tabs Section
   -------------------------------------------------------------------------- */
.academics-section { background: var(--color-gray-100); }

.tab-nav {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.6rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-gray-200);
  background: transparent;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

.tab-btn.active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.tab-content {
  display: none;
}
.tab-content.active { display: block; }

.academic-card-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-10);
  align-items: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.academic-text h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}

.academic-text p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.school-name-highlight {
  color: #1a3a6b;
  font-weight: 600;
  background: rgba(210, 225, 245, 0.45);
  border-radius: 3px;
  padding: 0 4px;
}

.activities-grid--two-centered {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

.activities-grid--two-centered .activity-card {
  flex: 0 1 calc(50% - var(--space-6) / 2);
  max-width: 480px;
}

@media (max-width: 600px) {
  .activities-grid--two-centered .activity-card {
    flex: 0 1 100%;
    max-width: 100%;
  }
}

.academic-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.academic-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 500;
}

.academic-list li i {
  color: var(--color-blue);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.academic-image-placeholder {
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-white);
  flex-shrink: 0;
}

.academic-image-placeholder i { font-size: 3.5rem; opacity: 0.85; }
.academic-image-placeholder span { font-size: var(--font-size-lg); font-weight: 700; }

/* --------------------------------------------------------------------------
   Pre-Nursery Philosophy Section
   -------------------------------------------------------------------------- */
.philosophy-card-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-10);
  align-items: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.philosophy-text p {
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.philosophy-quote {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  background: var(--color-blue-light);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-5);
  font-style: italic;
}

.philosophy-quote i {
  color: var(--color-blue);
  font-size: var(--font-size-lg);
  margin: 0 var(--space-2);
}

.philosophy-image-wrap {
  width: 400px;
  flex-shrink: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.philosophy-img {
  width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Pre-Nursery Activities Grid
   -------------------------------------------------------------------------- */
.section-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-sub--spaced {
  margin-top: var(--space-3);
}

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

.activity-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  border-bottom: 3px solid transparent;
}

.activity-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-bottom-color: var(--color-blue);
}

.activity-image-wrap {
  width: 100%;
  overflow: hidden;
}

.activity-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.4s ease;
}

.activity-card:hover .activity-img {
  transform: scale(1.05);
}

.activity-body {
  padding: var(--space-6);
}

.activity-icon {
  width: 52px;
  height: 52px;
  background: var(--color-blue-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
  transition: background var(--transition), color var(--transition);
}

.activity-card:hover .activity-icon {
  background: var(--color-blue);
  color: var(--color-white);
}

.activity-body h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-3);
}

.activity-body p {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Admission Process
   -------------------------------------------------------------------------- */
.admission-section { background: var(--color-gray-50); }

.admission-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  position: relative;
  margin-bottom: var(--space-10);
}

/* Connecting line */
.admission-steps::before {
  content: '';
  position: absolute;
  top: 2.25rem;
  left: calc(10% + 1.5rem);
  right: calc(10% + 1.5rem);
  height: 2px;
  background: var(--color-blue-light);
  z-index: 0;
}

.admission-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.admission-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-number {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 900;
  font-size: var(--font-size-base);
  margin: 0 auto var(--space-4);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 3px var(--color-blue-light);
}

.step-content h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
}

.step-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.admission-cta { text-align: center; }

/* --------------------------------------------------------------------------
   Events & News
   -------------------------------------------------------------------------- */
.events-section { background: var(--color-gray-100); }

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

.event-card {
  display: flex;
  gap: var(--space-4);
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow var(--transition), transform var(--transition);
  border-left: 3px solid transparent;
}

.event-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-left-color: var(--color-blue);
}

.event-date-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  min-width: 56px;
  height: 56px;
  background: var(--color-navy);
  border-radius: var(--radius-md);
  color: var(--color-white);
  line-height: 1;
}

.event-day {
  font-size: var(--font-size-xl);
  font-weight: 800;
}

.event-month {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  opacity: 0.8;
}

.event-info { flex: 1; }

.event-type {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.event-info h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.event-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.5;
}

.event-link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-blue);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition);
}
.event-link:hover { gap: var(--space-2); }

/* --------------------------------------------------------------------------
   Gallery Section
   -------------------------------------------------------------------------- */
.gallery-section { background: var(--color-gray-50); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 220px);
  gap: var(--space-3);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item--large {
  grid-column: span 2;
}

.gallery-item--tall {
  grid-row: span 2;
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-blue));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-white);
  transition: filter var(--transition);
}

.gallery-item:nth-child(2) .gallery-placeholder { background: linear-gradient(135deg, #4a7de0, #7aabf5); }
.gallery-item:nth-child(3) .gallery-placeholder { background: linear-gradient(135deg, #5589e8, #83b4f8); }
.gallery-item:nth-child(4) .gallery-placeholder { background: linear-gradient(135deg, #4f85e5, #7aaff7); }
.gallery-item:nth-child(5) .gallery-placeholder { background: linear-gradient(135deg, #5B8DEF, #AFCBFF); }
.gallery-item:nth-child(6) .gallery-placeholder { background: linear-gradient(135deg, #4e86e8, #80aef7); }
.gallery-item:nth-child(7) .gallery-placeholder { background: linear-gradient(135deg, #3d6fd4, #6899ef); }
.gallery-item:nth-child(8) .gallery-placeholder { background: linear-gradient(135deg, #5281e0, #7daaf5); }

.gallery-placeholder i {
  font-size: 2.5rem;
  opacity: 0.7;
}

.gallery-placeholder span {
  font-size: var(--font-size-sm);
  font-weight: 600;
  opacity: 0.8;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(31, 45, 61, 0.70);
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-overlay span {
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-base);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item:hover .gallery-placeholder { filter: brightness(0.7); }

/* --------------------------------------------------------------------------
   Yearwise Event Archive
   -------------------------------------------------------------------------- */
.event-archive-section,
.event-detail-section {
  background: var(--color-gray-50);
}

.event-archive-section .gallery-grid,
.event-archive-section .section-sub {
  display: none;
}

.event-title-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--space-12);
  row-gap: var(--space-3);
  align-items: start;
}

.event-title-link {
  border: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: var(--font-size-base);
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
  padding: 0.2rem 0;
  transition: color var(--transition), transform var(--transition);
}

.event-title-link:hover,
.event-title-link:focus-visible {
  color: var(--color-blue);
  transform: translateX(4px);
  outline: none;
}

.event-title-link span {
  border-bottom: 1px solid transparent;
}

.event-title-link:hover span,
.event-title-link:focus-visible span {
  border-bottom-color: var(--color-accent);
}

.event-empty-state {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-12);
  text-align: center;
  color: var(--color-text-muted);
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.event-empty-state i {
  color: var(--color-blue);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.event-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  border: 0;
  background: transparent;
  color: var(--color-blue);
  font: inherit;
  font-size: var(--font-size-sm);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}

.event-back-btn:hover {
  color: var(--color-navy);
}

.event-detail-header {
  margin-bottom: var(--space-10);
}

.event-detail-header h2 {
  font-size: var(--font-size-4xl);
  color: var(--color-heading);
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.event-detail-header h2::after {
  content: "";
  display: block;
  width: 110px;
  height: 2px;
  background: var(--color-accent);
  margin-top: var(--space-4);
}

.event-detail-date {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-blue);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin: var(--space-4) 0 var(--space-5);
}

.event-detail-header p {
  color: var(--color-text);
  max-width: 1050px;
  font-size: var(--font-size-base);
}

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

.event-photo {
  aspect-ratio: 16 / 10;
  background: var(--color-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.event-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.event-photo:hover img {
  transform: scale(1.03);
}

/* --------------------------------------------------------------------------
   Videos Section
   -------------------------------------------------------------------------- */
.videos-section { background: var(--color-gray-50); }

.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-50);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.video-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.video-embed {
  position: relative;
  padding-top: 56.25%; /* 16:9 aspect ratio */
  background: var(--color-navy-dark);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-navy-dark);
  color: #fff;
  text-align: center;
  padding: 1rem;
  box-sizing: border-box;
}

.video-fallback img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.video-fallback-overlay {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.5rem;
}

.video-fallback-overlay h4 {
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0;
  color: #fff;
  line-height: 1.3;
}

.video-fallback-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #cc0000;
  color: #fff;
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background var(--transition);
  white-space: nowrap;
}

.video-fallback-btn:hover {
  background: #aa0000;
  color: #fff;
}

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

.video-info h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
}

.video-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.videos-cta { text-align: center; }

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials-section {
  background: var(--color-gray-50);
}

.testimonials-carousel {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: var(--space-6);
  transition: transform 0.4s ease;
}

.testimonial-card {
  min-width: 0;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.testimonial-quote {
  font-size: 2rem;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
  line-height: 1;
}

.testimonial-card > p {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-weight: 700;
  color: var(--color-heading);
}

.testimonial-author span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-blue);
  background: transparent;
  color: var(--color-blue);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.carousel-btn:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.carousel-dots {
  display: flex;
  gap: var(--space-2);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-200);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.dot.active {
  background: var(--color-blue);
  transform: scale(1.2);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-section { background: var(--color-gray-100); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-10);
  align-items: start;
}

.contact-section .contact-grid {
  grid-template-columns: minmax(0, 100%);
  justify-content: center;
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  margin-bottom: var(--space-6);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--color-blue-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-1);
}

.contact-info-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.contact-info-item p a { color: var(--color-blue); }
.contact-info-item p a:hover { color: var(--color-navy); }

.contact-locations {
  display: grid;
  gap: var(--space-6);
}

.location-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-6);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(31, 45, 61, 0.08);
  box-shadow: var(--shadow-sm);
}

.location-row--reverse {
  grid-template-columns: 240px 1fr;
}

.location-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
}

.location-qr img {
  width: 100%;
  max-width: 200px;
  display: block;
}

.location-info h3 {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xl);
  color: var(--color-heading);
}

.location-info p {
  margin-bottom: var(--space-3);
  color: var(--color-text);
  line-height: 1.7;
}

.location-info p:last-child {
  margin-bottom: 0;
}

.location-info a {
  color: var(--color-blue);
}

.location-info a:hover {
  color: var(--color-navy);
}

@media (max-width: 900px) {
  .location-row,
  .location-row--reverse {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .location-row--reverse {
    grid-template-columns: 1fr;
  }

  .location-qr {
    margin-inline: auto;
  }
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-blue));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.9);
  margin-top: var(--space-4);
}

.map-placeholder i { font-size: 2.5rem; }
.map-placeholder span { font-size: var(--font-size-base); font-weight: 600; }

.map-link {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: underline;
}
.map-link:hover { color: var(--color-white); }

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-form-wrapper h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-heading);
  margin-bottom: var(--space-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-800);
}

.form-group label span { color: var(--color-error); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.65rem 1rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(91, 141, 239, 0.12);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--color-error);
}

.form-group textarea { resize: vertical; }

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  min-height: 1rem;
  display: block;
}

.form-success {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(24, 163, 90, 0.1);
  border: 1px solid rgba(24, 163, 90, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-weight: 600;
  text-align: center;
  display: none;
}

.form-success.visible { display: block; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.75);
}

.footer-top { padding-block: var(--space-16); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-brand-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
}

.footer-brand-subtitle {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
}

.footer-col p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.footer-social a:hover {
  background: var(--color-blue);
  color: var(--color-white);
}

.footer-col h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-blue);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }

.footer-col ul a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-col ul a:hover {
  color: var(--color-white);
  padding-left: var(--space-2);
}

.footer-col address p {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-3);
}

.footer-col address p i { margin-top: 3px; color: var(--color-blue); flex-shrink: 0; }
.footer-col address p a { color: rgba(255,255,255,0.65); }
.footer-col address p a:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: var(--space-5);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.45);
}

/* --------------------------------------------------------------------------
   Back to Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 46px;
  height: 46px;
  background: var(--color-blue);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 999;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-navy);
}

/* --------------------------------------------------------------------------
   Responsive – Tablet (max 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .admission-steps { grid-template-columns: repeat(3, 1fr); }
  .admission-steps::before { display: none; }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }
  .gallery-item--large { grid-column: span 2; }
  .gallery-item--tall  { grid-row: span 1; }
  .event-title-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .event-photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .videos-grid { grid-template-columns: repeat(2, 1fr); }
  .activities-grid { grid-template-columns: repeat(2, 1fr); }
  .infra-split { gap: var(--space-6); }
}

/* --------------------------------------------------------------------------
   Responsive – Mobile / Small Tablet (max 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }

  /* Top bar */
  .top-bar-inner { gap: var(--space-4); }
  .top-bar-contact a span { display: none; } /* only show icon on very small screens? keep text */

  /* Main header: show hamburger, hide nav by default */
  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-gray-100);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4) var(--space-6) var(--space-6);
    display: none;
    z-index: 999;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .main-nav a {
    padding: 0.7rem 1rem;
    font-size: var(--font-size-base);
  }

  .main-nav .nav-cta {
    margin-top: var(--space-2);
    text-align: center;
  }

  /* Dropdown: collapsed by default on mobile; expand only when parent has .dropdown-open */
  .main-nav .dropdown {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
    pointer-events: auto;
    box-shadow: none;
    border-radius: 0;
    border-top: none;
    border-left: 3px solid var(--color-blue);
    padding: 0 0 var(--space-2) var(--space-4);
    margin-top: var(--space-1);
  }

  .main-nav li.has-dropdown.dropdown-open > .dropdown {
    display: block;
  }

  .main-nav .dropdown li a {
    padding: 0.4rem 0.5rem;
    font-size: var(--font-size-sm);
  }

  /* Show caret on mobile to indicate expandable items */
  .nav-caret { display: inline; }

  .main-nav li.has-dropdown.dropdown-open > a .nav-caret {
    transform: rotate(180deg);
  }

  /* Brand / Logo: responsive sizing so hamburger is always visible */
  .brand {
    flex: 1 1 0;
    min-width: 0;
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .brand-name {
    min-width: 0;
    overflow: hidden;
  }

  .brand-title {
    display: block;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Brand name: hide subtitle on very small */
  .brand-subtitle { display: none; }

  /* Sections */
  .section { padding-block: var(--space-12); }
  .section-header h2 { font-size: var(--font-size-2xl); }
  .section-sub { font-size: var(--font-size-base); }

  /* About */
  .principal-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .principal-avatar { margin-inline: auto; }
  .vision-mission { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }

  /* Features */
  .features-grid { grid-template-columns: 1fr; }

  /* Infrastructure split */
  .infra-split,
  .infra-split--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .infra-split--reverse > * { direction: ltr; }
  .infra-split__image { min-height: 220px; }
  .infra-split__content { padding: var(--space-6); }

  /* Academics */
  .academic-card-inner {
    grid-template-columns: 1fr;
    padding: var(--space-6);
  }
  .academic-image-placeholder {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-lg);
  }

  /* Philosophy */
  .philosophy-card-inner {
    grid-template-columns: 1fr;
    padding: var(--space-6);
  }
  .philosophy-image-wrap {
    width: 100%;
  }

  /* Activities */
  .activities-grid { grid-template-columns: 1fr; }

  /* Admission */
  .admission-steps { grid-template-columns: 1fr 1fr; }

  /* Events */
  .events-grid { grid-template-columns: 1fr; }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .gallery-item--large,
  .gallery-item--tall { grid-column: span 1; grid-row: span 1; }

  .event-title-list,
  .event-photo-grid {
    grid-template-columns: 1fr;
  }

  .event-detail-header h2 {
    font-size: var(--font-size-2xl);
  }

  /* Videos */
  .videos-grid { grid-template-columns: 1fr; }

  /* Testimonials – handled by JS */

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Responsive – Small Mobile (max 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .admission-steps { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .event-empty-state { padding: var(--space-8); }
  .top-bar-inner { font-size: var(--font-size-xs); }
  .brand-logo { width: 36px; height: 36px; }
  .brand-title { font-size: var(--font-size-xs); }
}

/* --------------------------------------------------------------------------
   Scroll animation helper (added by JS)
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Teaching Fraternity Section
   -------------------------------------------------------------------------- */
.teaching-fraternity-section {
  background: var(--color-gray-50);
}

/* Headmistress card */
.headmistress-card {
  display: flex;
  gap: var(--space-10);
  align-items: flex-start;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-10);
  margin-bottom: var(--space-16);
}

.headmistress-photo {
  flex-shrink: 0;
  width: 220px;
  text-align: center;
}

.headmistress-photo img {
  width: 220px;
  height: 270px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.headmistress-content {
  flex: 1;
}

.headmistress-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-1);
  white-space: break-spaces;
}

.headmistress-qual {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.headmistress-desk-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-blue);
  margin-bottom: var(--space-4);
}

.headmistress-content p {
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.headmistress-quote {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-3) var(--space-6);
  margin-top: var(--space-4);
  background: var(--color-blue-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  font-weight: 600;
  color: var(--color-heading);
  font-size: var(--font-size-base);
}

/* Unit Heads */
.unit-heads-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.unit-heads-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-heading);
}

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

.unit-head-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.unit-head-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.unit-head-photo img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: top;
}

.unit-head-info {
  padding: var(--space-5) var(--space-4);
}

.unit-head-info h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-1);
}

.unit-head-info p {
  font-size: var(--font-size-sm);
  color: var(--color-blue);
  font-weight: 600;
}

/* Responsive – Teaching Fraternity */
@media (max-width: 900px) {
  .headmistress-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-6);
  }

  .headmistress-photo {
    width: 180px;
  }

  .headmistress-photo img {
    width: 180px;
    height: 220px;
  }

  .unit-heads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Train The Teacher Section
   -------------------------------------------------------------------------- */
.train-teacher-section {
  background: var(--color-bg-alt, #f8f9fc);
}

.train-teacher-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.train-teacher-text p {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.train-teacher-images {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.train-teacher-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg, 12px);
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

@media (max-width: 900px) {
  .train-teacher-content {
    grid-template-columns: 1fr;
  }
}

.reading-list {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.reading-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.reading-list li::before {
  content: "\f061"; /* Font Awesome arrow-right */
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: #2c5aa0;
}