@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --primary: #0A56B5;
  --cyan: #10B7F5;
  --white: #FFFFFF;
  --bg: #F8FBFF;
  --dark: #1B1B1B;
  --secondary: #5E6B7A;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--dark);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 { font-family: 'Poppins', sans-serif; }

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: all 0.4s ease;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(10,86,181,0.08);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(10,86,181,0.07);
}

#navbar.scrolled .nav-link { color: var(--dark); }
#navbar.scrolled .logo-text { color: var(--primary); }
#navbar.scrolled .logo-sub { color: var(--secondary); }
#navbar.scrolled #hamburger span { background: var(--dark); }

.nav-link {
  color: rgba(255,255,255,0.92);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.3s;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--cyan); }

#navbar.scrolled .nav-link:hover { color: var(--primary); }
#navbar.scrolled .nav-link::after { background: var(--primary); }

/* ── Navbar CTA (minimal) ── */
.nav-cta {
  display: inline-block;
  padding: 0.45rem 1.2rem;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.55);
  background: transparent;
  text-decoration: none;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.nav-cta:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.85);
}

#navbar.scrolled .nav-cta {
  color: var(--primary);
  border-color: rgba(10,86,181,0.4);
}

#navbar.scrolled .nav-cta:hover {
  background: rgba(10,86,181,0.07);
  border-color: var(--primary);
}


.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid rgba(255,255,255,0.7);
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}

/* ── Mobile Menu ── */
#mobile-menu {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  padding: 0 1.5rem;
  gap: 1rem;
  border-top: 1px solid rgba(10,86,181,0.1);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: max-height 0.4s ease, opacity 0.35s ease, padding 0.35s ease, margin-top 0.35s ease;
}

@media (max-width: 1023px) {
  #mobile-menu.open {
    max-height: 500px;
    opacity: 1;
    padding: 1.5rem;
    margin-top: 0.5rem;
  }
}

/* Dim overlay */
#menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0);
  z-index: 999;
  transition: background 0.35s ease;
}

#menu-overlay.active {
  display: block;
  background: rgba(0,0,0,0.45);
}
#mobile-menu .nav-link { color: var(--dark); font-size: 1rem; padding: 0.4rem 0; }

#hamburger { background: none; border: none; cursor: pointer; display: none; flex-direction: column; gap: 5px; padding: 4px; }

@media (max-width: 1023px) {
  #hamburger { display: flex; }
}
#hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }
#hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.open span:nth-child(2) { opacity: 0; }
#hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0A56B5 0%, #0c63cc 60%, #10B7F5 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Subtle single background shape — no animation */
#hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  top: -150px;
  right: -150px;
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  bottom: -80px;
  left: -80px;
  pointer-events: none;
}

/* Right panel card */
.hero-panel {
  background: rgba(255,255,255,0.97);
  border-radius: 24px;
  padding: 2rem;
  width: 100%;
  max-width: 100%;
  box-shadow: 0 8px 40px rgba(10,86,181,0.15);
}

@media (min-width: 1024px) {
  .hero-panel {
    max-width: 420px;
    padding: 2.5rem;
  }
}

.hero-panel-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(10,86,181,0.08), rgba(16,183,245,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  border: 1px solid rgba(10,86,181,0.1);
}

.hero-panel-stats {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.hero-stat-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: #F8FBFF;
  border: 1px solid rgba(10,86,181,0.07);
  transition: border-color 0.3s;
}

.hero-stat-item:hover {
  border-color: rgba(10,86,181,0.2);
}

/* ── Section Titles ── */
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(10,86,181,0.1), rgba(16,183,245,0.1));
  color: var(--primary);
  padding: 0.35rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border: 1px solid rgba(10,86,181,0.15);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── About ── */
.about-text p {
  text-align: justify;
  text-justify: inter-word;
}

.stat-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(10,86,181,0.07);
  border: 1px solid rgba(10,86,181,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
  z-index: 0;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0A56B5, #10B7F5);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
  border-radius: 14px;
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card > * {
  position: relative;
  z-index: 1;
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 20px rgba(10,86,181,0.18);
  border-color: transparent;
}

.stat-card:hover .font-poppins,
.stat-card:hover .font-inter {
  color: #fff !important;
}

.stat-card:hover .stat-icon {
  background: rgba(255,255,255,0.2);
}

/* Blue variant — first and last cards */
.stat-card-blue {
  background: linear-gradient(135deg, #0A56B5, #10B7F5);
  border-color: transparent;
  color: #fff;
}

.stat-card-blue::before {
  display: none;
}

.stat-card-blue:hover {
  box-shadow: 0 6px 20px rgba(10,86,181,0.25);
}

.stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  transition: background 0.35s ease;
}

.stat-icon-white {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* ── Services ── */
.service-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(10,86,181,0.06);
  border: 1px solid rgba(10,86,181,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform: scaleX(0);
  transition: transform 0.35s ease;
  transform-origin: left;
  z-index: 1;
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(10,86,181,0.12);
}

.service-card-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
  background: #eef3fa;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.45s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.04);
}

.service-card-body {
  padding: 1.5rem;
}

.service-card p {
  text-align: justify;
  text-justify: inter-word;
}


/* ── Classes (Our Classes section) ── */
.class-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(10,86,181,0.06);
  border: 1px solid rgba(10,86,181,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  overflow: hidden;
}

.class-card:hover {
  transform: translateY(-5px);
  border-color: rgba(10,86,181,0.12);
  box-shadow: 0 8px 24px rgba(10,86,181,0.15);
}

.class-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #eef3fa;
  display: flex;
  align-items: center;
  justify-content: center;
}

.class-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: transform 0.45s ease;
}

.class-card:hover .class-card-img img {
  transform: scale(1.04);
}

.class-card-body {
  padding: 1.35rem 1.25rem 1.25rem;
}

.class-card-body p {
  text-align: justify;
  text-justify: inter-word;
}


/* ── Objectives ── */
.objective-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(10,86,181,0.06);
  border: 1px solid rgba(10,86,181,0.06);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.objective-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(10,86,181,0.1);
  border-color: rgba(10,86,181,0.15);
}

.obj-num {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── CTA ── */
#cta-section {
  position: relative;
  overflow: hidden;
}

.cta-btn {
  font-size: 1rem;
  padding: 0.85rem 2rem;
}

@media (max-width: 480px) {
  .cta-btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
  }
  .cta-btn span {
    justify-content: center;
  }
}

/* ── Contact ── */
.contact-info-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 2px 10px rgba(10,86,181,0.07);
  border: 1px solid rgba(10,86,181,0.06);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.3s;
}

.contact-info-card:hover { transform: translateY(-3px); }

.contact-info-card div a,
.contact-info-card div p {
  word-break: break-word;
  overflow-wrap: anywhere;
}

.contact-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 1.5px solid rgba(10,86,181,0.15);
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--dark);
  background: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(10,86,181,0.08);
}

.form-input::placeholder { color: #aab4be; }

/* ── Footer ── */
footer {
  background: #0d1b2e;
  color: rgba(255,255,255,0.75);
}

.footer-link {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-link:hover { color: var(--cyan); }

.social-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: all 0.3s;
  flex-shrink: 0;
}

.social-btn:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
  transform: translateY(-3px);
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Divider ── */
.gradient-divider {
  height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--cyan), transparent);
  border: none;
  margin: 0;
}

/* ── Tablet range 768–1023px ── */
@media (min-width: 768px) and (max-width: 1023px) {
  .section-title { font-size: 1.9rem; }
  .objective-card { padding: 1.25rem; }
  .service-card-body { padding: 1.25rem; }
  .hero-panel { max-width: 560px; }
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .hero-panel { padding: 1.5rem; }
  .service-card-body { padding: 1.1rem; }
}

/* ── Gallery ── */
.gallery-card {
  border-radius: 12px;
  aspect-ratio: 1 / 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(10,86,181,0.1);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-card:hover img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,86,181,0.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.gallery-card:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(10,86,181,0.18);
}

.objective-card .obj-title {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.objective-card .obj-title i {
  flex-shrink: 0;
  margin-top: 2px;
}

.objective-card p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  text-align-last: left;
}

/* ── Gallery Filter Tabs ── */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.gallery-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.4rem;
  border-radius: 8px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1.5px solid rgba(10,86,181,0.2);
  background: transparent;
  color: var(--secondary);
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.gallery-tab svg {
  flex-shrink: 0;
}

.gallery-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(10,86,181,0.05);
}

.gallery-tab.active-tab {
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(10,86,181,0.25);
}

/* Small screens: full-width 2-column grid of buttons */
@media (max-width: 480px) {
  .gallery-filter-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 2rem;
  }
  .gallery-tab {
    justify-content: center;
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* Tablet: keep flex row but tighten spacing */
@media (min-width: 481px) and (max-width: 1023px) {
  .gallery-filter-bar {
    gap: 0.6rem;
    margin-bottom: 2rem;
  }
  .gallery-tab {
    padding: 0.5rem 1.1rem;
    font-size: 0.82rem;
  }
}

.gallery-item {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Full-row wide tile (e.g. panoramic achievements photo) */
.gallery-item-wide {
  grid-column: 1 / -1;
}

.gallery-item-wide .gallery-card {
  aspect-ratio: 2.5 / 1;
}
.gallery-item.hidden-item {
  display: none;
}

/* ── Floating Back to Top ── */
#back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(10,86,181,0.35);
  text-decoration: none;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

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

#back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(10,86,181,0.45);
}

@media (max-width: 480px) {
  #back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 42px;
    height: 42px;
  }
}