/* Base Styles */
:root {
  --primary: #1E88E5;
  --secondary: #00BCD4;
  --accent: #FF5252;
  --dark: #212121;
  --light: #ffffff;
  --gray: #f5f5f5;
  --gray-dark: #757575;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  --radius: 6px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: 1rem;
  font-weight: 600;
}

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

h3 {
  font-size: 1.2rem;
}

p {
  margin-bottom: 1rem;
}

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

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

ul {
  list-style: none;
}

/* Header Styles */
header {
  background-color: var(--light);
  box-shadow: var(--shadow);
  padding: 1rem 0;
}

.header-inner {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
  color: var(--primary);
}

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

nav ul {
  display: flex;
  gap: 2rem;
}

nav a {
  font-weight: 500;
  color: var(--dark);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

nav a:hover {
  color: var(--primary);
}

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

/* Hero Section */
.hero {
  background: var(--light);
  position: relative;
  padding: 5rem 2rem;
  overflow: hidden;
  text-align: center;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.hero h2 span {
  color: var(--primary);
  display: block;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--gray-dark);
}

.wave-animation {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 180px;
  z-index: 1;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--gradient);
  color: var(--light);
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
  transition: var(--transition);
}

.cta-button:hover {
  color: var(--light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(30, 136, 229, 0.5);
}

/* Videos Section */
.videos {
  padding: 5rem 2rem;
  background-color: var(--gray);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

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

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.video-placeholder {
  width: 100%;
  height: 180px;
}

.video-info {
  padding: 1.5rem;
}

.video-info h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Technology Section */
.technology {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
}

.tech-features {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}

.tech-feature {
  flex: 1;
  min-width: 280px;
  padding: 2rem;
  background: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.tech-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
}

.tech-feature h3 {
  color: var(--primary);
}

/* Access Section */
.access {
  padding: 5rem 2rem;
  text-align: center;
  background: var(--gradient);
  color: var(--light);
}

.access h2 {
  color: var(--light);
}

.access p {
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: var(--dark);
  color: var(--light);
  padding: 3rem 2rem 1rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-brand h3 {
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-links h4 {
  color: var(--secondary);
  margin-bottom: 1rem;
}

.footer-links p {
  opacity: 0.7;
}

.copyright {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav ul {
    gap: 1rem;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .tech-features {
    flex-direction: column;
  }
  
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .video-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-button {
    width: 100%;
  }
}