:root {
  --primary: #050d1a;
  --secondary: #0d1b2a;
  --gold: #d4af37;
  --gold-light: #f3e5ab;
  --gold-glow: rgba(212, 175, 55, 0.5);
  --text-main: #f0f4f8;
  --text-dark: #1e293b;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  scroll-behavior: smooth;
}

body {
  background-color: var(--primary);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* Ambient Moving Background Spheres */
.ambient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

.orb1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: orbFloat1 12s infinite ease-in-out alternate;
}

.orb2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #1e3a8a 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation: orbFloat2 15s infinite ease-in-out alternate;
}

.orb3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  animation: orbFloat3 18s infinite ease-in-out alternate;
}

/* Splash Entrance Screen */
.splash-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, #0d1b2a 0%, #050d1a 100%);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.splash-overlay.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-content {
  max-width: 650px;
  padding: 2.5rem;
  animation: zoomIn 1s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  z-index: 2;
}

.splash-logo-container {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.splash-icon {
  font-size: 3rem;
  color: var(--gold);
  filter: drop-shadow(0 0 20px var(--gold-glow));
  animation: pulseRotate 6s infinite linear;
}

.splash-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px dashed var(--gold);
  border-radius: 50%;
  animation: spin 10s infinite linear;
}

.ring-outer {
  width: 130%;
  height: 130%;
  border: 1px solid rgba(212, 175, 55, 0.3);
  animation: spinReverse 14s infinite linear;
}

.splash-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--white);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.splash-sub {
  color: #94a3b8;
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

/* Particle Background Canvas */
#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.7;
}

.cursor-blur {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--gold-glow) 0%, rgba(255,255,255,0) 70%);
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Navigation Bar */
header {
  background: rgba(5, 13, 26, 0.85);
  backdrop-filter: blur(15px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-icon-box {
  width: 45px;
  height: 45px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--gold-glow);
}

.logo-icon {
  font-size: 1.4rem;
  color: var(--gold);
}

.logo-text h2 {
  color: var(--white);
  font-size: 1.3rem;
  line-height: 1.1;
}

.logo-text h2 span {
  color: var(--gold);
}

.parent-brand {
  font-size: 0.68rem;
  color: var(--gold-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.8rem;
}

.nav-link-anim {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
  transition: var(--transition);
}

.nav-link-anim::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  transition: var(--transition);
}

.nav-link-anim:hover::after {
  width: 100%;
}

.nav-link-anim:hover {
  color: var(--gold);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(5, 13, 26, 0.92), rgba(13, 27, 42, 0.94)), 
              url('https://images.unsplash.com/photo-1566073771259-6a8506099945?auto=format&fit=crop&w=1600&q=80') center/cover;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  padding: 2rem 1rem;
  overflow: hidden;
}

.badge {
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.4rem 1.4rem;
  border-radius: 50px;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px var(--gold-glow);
}

.hero-title {
  font-size: clamp(2.3rem, 5.5vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.gradient-text {
  background: linear-gradient(45deg, #d4af37, #fff5c0, #d4af37);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmerText 4s infinite linear;
}

.hero-p {
  font-size: 1.25rem;
  max-width: 720px;
  margin: 0 auto 2.5rem;
  color: #cbd5e1;
}

.hero-btns {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Parent Group Banner */
.trade-tower-banner {
  position: relative;
  background: var(--secondary);
  color: var(--white);
  padding: 2rem 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  overflow: hidden;
}

.banner-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(252, 211, 77, 0.15), transparent);
  transform: skewX(-25deg);
  animation: shine 6s infinite;
}

.brand-flex {
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand-badge-wrapper {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.brand-icon-box {
  width: 55px;
  height: 55px;
  background: rgba(212, 175, 55, 0.12);
  border-radius: 12px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-icon {
  font-size: 1.8rem;
  color: var(--gold);
}

.brand-badge-wrapper h3 {
  color: var(--gold);
  font-size: 1.25rem;
}

.brand-badge-wrapper p {
  color: #94a3b8;
  font-size: 0.95rem;
}

/* Hotel Crystal Pashupati Showcase Card */
.hotel-showcase-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.15);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.hotel-img-wrapper {
  position: relative;
  min-height: 380px;
  overflow: hidden;
}

.hotel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.hotel-showcase-card:hover .hotel-img {
  transform: scale(1.08);
}

.hotel-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--primary);
  color: var(--gold);
  padding: 0.5rem 1.2rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--gold);
  box-shadow: 0 0 15px var(--gold-glow);
}

.hotel-details {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--white);
}

.hotel-details h3 {
  font-size: 2.1rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.hotel-details p {
  color: #475569;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hotel-perks {
  list-style: none;
  margin-bottom: 2rem;
}

.perk-item {
  margin-bottom: 0.7rem;
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  transition: var(--transition);
}

.perk-item:hover {
  transform: translateX(8px);
  color: var(--gold);
}

.perk-item i {
  color: var(--gold);
}

/* Buttons */
.btn {
  padding: 0.95rem 2.2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-gold {
  background: var(--gold);
  color: var(--primary);
}

.btn-gold:hover {
  background: #e6be44;
  transform: translateY(-4px);
  box-shadow: 0 12px 30px var(--gold-glow);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--gold);
}

.btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 0 20px var(--gold-glow);
}

.glow-pulse {
  animation: buttonPulse 3s infinite;
}

/* Stats Counter Bar */
.stats-bar {
  background: var(--primary);
  color: var(--white);
  padding: 3.5rem 0;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  text-align: center;
  gap: 2rem;
}

.stat-num-box {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.2rem;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--gold);
}

.stat-item .plus {
  font-size: 2rem;
  color: var(--gold);
}

/* Section Formatting */
.section {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
  background: var(--white);
}

.bg-light {
  background-color: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.sub-heading {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: 0.85rem;
  font-weight: 700;
  display: block;
}

.section-header h2 {
  font-size: 2.4rem;
  color: var(--primary);
  margin-top: 0.4rem;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3.5rem;
  align-items: center;
}

.about-features {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-card {
  background: var(--bg-light);
  padding: 1rem 1.2rem;
  border-radius: 10px;
  border-left: 4px solid var(--gold);
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateX(10px);
  background: #f1f5f9;
}

.feature-card i {
  color: var(--gold);
}

.about-image-wrapper {
  position: relative;
}

.about-img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.about-floating-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--primary);
  color: var(--gold);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--gold);
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Cards & Grid Styling */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid #e2e8f0;
}

.card-img-holder {
  height: 220px;
  overflow: hidden;
}

.card-img-holder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card-img-holder img {
  transform: scale(1.1);
}

.card-body {
  padding: 2rem;
  position: relative;
}

.card-icon {
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
}

/* Category Filter Buttons */
.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.8rem;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: var(--gold);
  box-shadow: 0 8px 20px rgba(5, 13, 26, 0.2);
}

.course-card.hide {
  display: none;
}

/* Contact Details */
.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3.5rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 2rem;
  background: var(--white);
  padding: 1.2rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.03);
}

.info-icon-box {
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 0 12px var(--gold-glow);
}

.contact-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--gold);
}

.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-group {
  position: relative;
}

.input-group input, .input-group textarea {
  width: 100%;
  padding: 1.1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  outline: none;
  background: transparent;
  transition: var(--transition);
}

.input-group label {
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  color: #94a3b8;
  pointer-events: none;
  transition: var(--transition);
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:not(:placeholder-shown) ~ label {
  top: -0.6rem;
  left: 0.8rem;
  background: var(--white);
  padding: 0 0.4rem;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}

.input-group input:focus, .input-group textarea:focus {
  border-color: var(--gold);
}

/* Keyframe Animations */
@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-anim {
  animation: floatAnim 4s infinite ease-in-out;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

@keyframes spinReverse {
  100% { transform: rotate(-360deg); }
}

@keyframes shimmerText {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

@keyframes shine {
  0% { left: -100%; }
  20%, 100% { left: 200%; }
}

@keyframes orbFloat1 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(120px, 80px); }
}

@keyframes orbFloat2 {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-100px, -120px); }
}

@keyframes orbFloat3 {
  0% { transform: translate(-50%, -50%) scale(1); }
  100% { transform: translate(-40%, -60%) scale(1.3); }
}

@keyframes buttonPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--gold-glow); }
  50% { box-shadow: 0 0 25px 8px var(--gold-glow); }
}

@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

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

footer {
  background: var(--primary);
  color: var(--text-main);
  text-align: center;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-sub {
  color: var(--gold);
  font-size: 0.85rem;
  margin-top: 0.4rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--primary);
    padding: 1.5rem 0;
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }
}