/* Base Styles */
:root {
  --primary: #00BCD4;
  --secondary: #FFEB3B;
  --dark: #004D40;
  --light: #E0F7FA;
  --gray: #757575;
  --dark-bg: #003333;
  --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
  --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Quicksand', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f8f8;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

h2 span {
  color: var(--primary);
  font-weight: 900;
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Wave Background */
.wave-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-color: var(--light);
  opacity: 0.5;
  background-image: 
    radial-gradient(var(--primary) 0.5px, transparent 0.5px),
    radial-gradient(var(--secondary) 0.5px, var(--light) 0.5px);
  background-size: 40px 40px;
  background-position: 0 0, 20px 20px;
}

/* Button Styles */
.btn {
  display: inline-block;
  background: var(--gradient);
  color: white;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
  color: white;
}

.btn.large {
  padding: 15px 40px;
  font-size: 1.1rem;
}

.btn.pulse {
  animation: pulse 2s infinite;
}

.btn.glow {
  box-shadow: 0 0 15px var(--primary);
}

.center {
  text-align: center;
  margin-top: 2rem;
}

/* Header Styles */
header {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo h1 {
  font-size: 1.8rem;
  margin: 0;
  color: var(--dark);
}

.logo span {
  color: var(--secondary);
}

.logo-icon {
  height: 40px;
  width: auto;
}

nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
}

nav a {
  color: var(--dark);
  font-weight: 600;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary);
  transition: var(--transition);
}

nav a:hover::after {
  width: 100%;
}

.nav-btn {
  background: var(--gradient);
  padding: 8px 16px;
  border-radius: 20px;
  color: white;
}

.nav-btn::after {
  display: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--dark);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 50px;
}

.hero-content {
  flex: 1;
}

.hero-content h2 {
  font-size: 3rem;
  text-align: left;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-image {
  flex: 1;
  max-width: 500px;
}

/* Videos Section */
.videos {
  padding: 60px 0;
  background-color: white;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
  margin-bottom: 2rem;
}

.video-card {
  background-color: var(--light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.video-thumbnail {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumbnail svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background-color: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

.video-card h3 {
  padding: 15px 15px 5px;
  font-size: 1.1rem;
}

.video-meta {
  padding: 0 15px 15px;
  display: flex;
  justify-content: space-between;
  color: var(--gray);
  font-size: 0.9rem;
}

/* Features Section */
.features {
  padding: 80px 0;
  background-color: var(--light);
}

.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-item {
  text-align: center;
  padding: 30px 20px;
  background-color: white;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-item h3 {
  color: var(--primary);
  margin-bottom: 10px;
}

/* Premium Section */
.premium {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark) 100%);
  color: white;
}

.premium h2 {
  color: white;
}

.premium h2 span {
  color: var(--secondary);
}

.premium-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.premium-features {
  flex: 1;
}

.premium-features ul {
  list-style: none;
  margin-bottom: 30px;
}

.premium-features li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.premium-image {
  flex: 1;
}

/* CTA Section */
.cta {
  padding: 80px 0;
  text-align: center;
  background-color: white;
}

.cta h2 {
  font-size: 3rem;
}

.cta p {
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 1.2rem;
}

/* Footer Styles */
footer {
  background-color: var(--dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.footer-logo h3 {
  margin-bottom: 5px;
  color: var(--primary);
}

.footer-logo p {
  color: var(--light);
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-column {
  display: flex;
  flex-direction: column;
}

.footer-column h4 {
  color: var(--secondary);
  margin-bottom: 15px;
}

.footer-column a {
  color: var(--light);
  margin-bottom: 10px;
}

.footer-column a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Animations */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(0, 188, 212, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 188, 212, 0);
  }
}

/* Media Queries */
@media (max-width: 992px) {
  h2 {
    font-size: 2rem;
  }
  
  .hero-content h2 {
    font-size: 2.5rem;
  }
  
  .cta h2 {
    font-size: 2.5rem;
  }
  
  .premium-content {
    flex-direction: column;
  }
  
  .premium-features, .premium-image {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  nav ul {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    z-index: 100;
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
  }
  
  nav ul.active {
    max-height: 300px;
  }
  
  nav ul li {
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
  }
  
  .hero .container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content h2 {
    text-align: center;
    font-size: 2rem;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 30px;
  }
  
  .footer-links {
    width: 100%;
    justify-content: space-between;
  }
}
