/* CSS Variables */
:root {
  --primary-color: #f15b26;
  --secondary-color: #F79B71;
  --text-color: #333;
  --bg-color: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --border-radius: 8px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

.nav-brand h1 {
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-color);
  margin: 3px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  text-align: center;
}

.hero-content {
  z-index: 2;
  max-width: 600px;
  padding: 0 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* Video Gallery */
.video-gallery {
  padding: 5rem 0;
  background: var(--gray-100);
}

.video-gallery h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-color);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

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

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Video Embed Styles */
.video-embed-container {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  overflow: hidden;
  background: var(--gray-200);
}

.video-embed-container iframe,
.video-embed-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-embed-container.placeholder {
  padding-bottom: 200px;
  height: 200px;
}

.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(45deg, var(--gray-200), var(--gray-300));
  color: var(--gray-600);
}

.video-thumbnail-fallback {
  position: relative;
  width: 100%;
  height: 200px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.video-thumbnail-fallback:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.play-button {
  font-size: 3rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.video-thumbnail-fallback:hover .play-button {
  transform: scale(1.1);
}

.video-title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.placeholder-text {
  font-size: 1.1rem;
  text-align: center;
}

/* Legacy thumbnail fallback */
.video-thumbnail {
  width: 100%;
  height: 200px;
  background: linear-gradient(45deg, var(--gray-200), var(--gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: 1.1rem;
}

.video-info {
  padding: 1.5rem;
}

.video-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.video-info p {
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.video-external-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.video-external-link:hover {
  color: var(--secondary-color);
  border-bottom-color: var(--secondary-color);
}

/* Video Fallback Styles */
.video-fallback-message {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  z-index: 2;
}

.fallback-content {
  padding: 2rem;
}

.fallback-content .play-button {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.fallback-content p {
  margin: 1rem 0;
  font-size: 1rem;
  opacity: 0.9;
}

.fallback-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  border-radius: 25px;
  font-weight: 500;
  transition: var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.fallback-link:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

/* About Section */
.about {
  padding: 5rem 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-color);
}

.about-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-700);
}

.about-image {
  display: flex;
  justify-content: center;
}

.placeholder-image {
  width: 300px;
  height: 300px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: var(--gray-100);
}

.contact h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--text-color);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-700);
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-family: inherit;
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.contact-form button {
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.contact-form button:hover {
  background: var(--secondary-color);
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  font-size: 1.5rem;
  text-decoration: none;
  transition: var(--transition);
}

.footer-social a:hover {
  transform: scale(1.2);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .about-content,
  .contact-content,
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .video-grid {
    grid-template-columns: 1fr;
  }
  
  .video-embed-container {
    padding-bottom: 56.25%; /* Maintain 16:9 on mobile */
  }
  
  .video-embed-container.placeholder {
    height: 180px;
    padding-bottom: 180px;
  }
  
  .play-button {
    font-size: 2.5rem;
  }
}

/* Theme Variations */
.theme-minimal {
  --border-radius: 0;
}

.theme-creative {
  --border-radius: 20px;
}

.theme-professional {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.video-card,
.about-content,
.contact-content {
  animation: fadeIn 0.6s ease-out;
}