@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@700;800&family=Heebo:wght@400;500&display=swap');

:root {
  /* Brand Colors */
  --navy: #010C4E;
  --gold: #FFA100;
  --white: #FFFFFF;
  --black: #050505;
  
  /* Vibrancy & Insanely Dynamic Gradients */
  --grad-vibrant: linear-gradient(135deg, #6A11CB 0%, #2575FC 100%);
  --grad-gold: linear-gradient(135deg, #FFA100 0%, #FFD700 100%);
  --grad-dark: linear-gradient(180deg, #010C4E 0%, #000000 100%);
  --grad-neon: linear-gradient(90deg, #FF00CC 0%, #3333FF 100%);
  
  /* Glassmorphism & Effects */
  --glass: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --blur: 15px;
  --shadow-neon: 0 0 20px rgba(255, 161, 0, 0.4);
  
  /* Typography */
  --font-heading: 'Work Sans', sans-serif;
  --font-body: 'Heebo', sans-serif;
  
  /* Spacing & Transitions */
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--black);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: -1px;
}

/* Insane Floating Logo */
.floating-logo {
  position: fixed;
  top: 2rem;
  left: 2rem;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.floating-logo:hover {
  transform: scale(1.1) rotate(-2deg);
  border-color: var(--gold);
  box-shadow: var(--shadow-neon);
}

.floating-logo img {
  height: 50px;
  filter: drop-shadow(0 0 5px var(--gold));
}

/* Hero Immersive Carousel Base */
.hero-carousel {
  height: 100vh;
  width: 100vw;
  position: relative;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

.slide-content h1 {
  font-size: clamp(3rem, 10vw, 8rem);
  color: var(--white);
  line-height: 0.9;
  text-shadow: 0 10px 30px rgba(0,0,0,0.8);
  margin-bottom: 1rem;
}

/* Buttons */
.btn-vibrant {
  padding: 1.2rem 3rem;
  border: none;
  border-radius: 50px;
  background: var(--grad-neon);
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(255, 0, 204, 0.4);
}

.btn-vibrant:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: 0 15px 40px rgba(255, 0, 204, 0.6);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 4rem 5%;
}

.price-card {
  background: var(--glass);
  padding: 3rem 2rem;
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: var(--transition);
}

.price-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-15px);
  border-color: var(--gold);
  box-shadow: var(--shadow-neon);
}

.price-card h3 { color: var(--gold); font-size: 2rem; margin-bottom: 1rem; }
.price-card .amount { font-size: 4rem; font-weight: 800; margin: 1.5rem 0; }

/* Footer */
footer {
  padding: 4rem 5%;
  background: var(--black);
  border-top: 1px solid var(--glass-border);
  text-align: center;
  margin-top: auto;
}
footer .logo img { height: 40px; margin-bottom: 1rem; }
footer p { opacity: 0.6; font-size: 0.9rem; }

/* --- GLOBAL RESPONSIVE FIXES --- */

/* 1. Fix Subject Watermark Overflow */
.video-heading-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(4rem, 20vw, 20rem); /* Dynamic sizing */
  font-weight: 900;
  opacity: 0.1;
  z-index: 1;
  pointer-events: none;
  -webkit-text-stroke: 2px var(--white);
  color: transparent;
  white-space: nowrap;
}

/* 2. Responsive Grids & Containers */
.subject-section { padding: 4rem 5%; }
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

/* 3. Mobile Specific Adjustments (Breakpoints) */
@media (max-width: 768px) {
  .floating-logo {
    top: 1rem;
    left: 1rem;
    padding: 0.6rem;
  }
  .floating-logo img { height: 35px; }
  
  .slide-content h1 { font-size: 3.5rem; }
  
  .btn-vibrant {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%; /* Stack buttons on mobile */
    margin-bottom: 1rem;
  }
  
  .video-hero { height: 60vh; }
  .video-heading-bg { font-size: 12vw !important; -webkit-text-stroke: 1px var(--white) !important; }
  
  .demo-title { font-size: 2.2rem !important; }
  
  .action-bar {
    padding: 1.5rem;
    flex-direction: column;
    border-radius: 20px;
  }
}

/* 4. New Global Classes for Hubs & Subject Pages */
.hero-buttons {
  margin-top: 2.5rem;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
}

.video-hero {
  width: 100vw;
  height: 80vh;
  position: relative;
  background: #000;
  overflow: hidden; /* PREVENT OVERFLOW */
}

@media (max-width: 600px) {
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  .hero-buttons .btn-vibrant {
    width: 100%;
    margin-bottom: 0;
  }
}

@media (max-width: 480px) {
  .slide-content h1 { font-size: 2.8rem; }
  .demo-title { font-size: 1.8rem !important; }
}



/* Floating Contact Bar */
.floating-contact {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1.5rem;
  z-index: 3000;
  width: 90%;
  max-width: 550px;
  animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from { transform: translate(-50%, 100px); opacity: 0; }
  to { transform: translateX(-50%); opacity: 1; }
}

.contact-btn {
  flex: 1;
  padding: 1.2rem;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 800;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--white);
  font-size: 1.2rem;
  box-shadow: 0 15px 35px rgba(0,0,0,0.4);
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.contact-btn.call {
  background: var(--grad-vibrant);
}

.contact-btn.whatsapp {
  background: #25D366; /* WhatsApp Green */
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.3);
}

.contact-btn:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 45px rgba(0,0,0,0.5);
  border-color: var(--gold);
}

.contact-btn i { font-size: 1.4rem; }

@media (max-width: 768px) {
  .floating-contact {
    bottom: 1.5rem;
    gap: 0.8rem;
  }
  .contact-btn {
    padding: 1rem;
    font-size: 1rem;
    border-radius: 15px;
  }
  .contact-btn i { font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .floating-contact {
    flex-direction: column;
    width: auto;
    left: auto;
    right: 1.5rem;
    transform: none;
    bottom: 1.5rem;
    gap: 1rem;
  }
  .contact-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    padding: 0;
    font-size: 0; /* Hide text on very small screens */
  }
  .contact-btn i { font-size: 1.6rem; margin: 0; }
  
  @keyframes slideUp {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }
}