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

:root {
  --primary: #1a1a1a;
  --accent: #6366f1;
  --text: #333;
  --text-light: #666;
  --bg: #fafafa;
  --white: #fff;
  --border: #e5e5e5;
  --shadow: rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3 {
  color: var(--primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

/* Layout */
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

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

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

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

.nav-links a:hover,
.nav-links a:focus {
  color: var(--accent);
  outline: none;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 2rem;
  background: linear-gradient(135deg, var(--white) 0%, var(--bg) 100%);
}

.hero-content {
  max-width: 800px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease-out 0.2s forwards;
}

.subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  color: var(--text-light);
  margin: 1.5rem auto 2rem;
  max-width: 600px;
}

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.cta-button:hover,
.cta-button:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  outline: none;
}

/* Video Preview */
.video-preview {
  margin-top: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.video-thumbnail {
  width: 100%;
  height: 300px;
  background: var(--gradient);
  border: none;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 10px 30px var(--shadow);
}

.video-thumbnail:hover,
.video-thumbnail:focus {
  transform: scale(1.05);
  outline: none;
}

.video-thumbnail.secondary {
  background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
}

.video-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.play-button {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  transition: var(--transition);
}

.video-thumbnail:hover .play-button {
  background: rgba(255, 255, 255, 0.3);
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

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

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-light);
}

.about-text h3 {
  margin-bottom: 1rem;
}

.benefits-list {
  list-style: none;
  margin-top: 2rem;
}

.benefits-list li {
  padding: 0.5rem 0;
  padding-left: 2rem;
  position: relative;
}

.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Portfolio Section */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.portfolio-item {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px var(--shadow);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px var(--shadow);
}

.portfolio-image {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 1.125rem;
}

.portfolio-image.tech {
  background: linear-gradient(45deg, #667eea, #764ba2);
}

.portfolio-image.lifestyle {
  background: linear-gradient(45deg, #f093fb, #f5576c);
}

.portfolio-image.shorts {
  background: linear-gradient(45deg, #4facfe, #00f2fe);
}

.portfolio-image.education {
  background: linear-gradient(45deg, #43e97b, #38f9d7);
}

.portfolio-info {
  padding: 1.5rem;
}

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

.portfolio-info p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-item {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px var(--shadow);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px var(--shadow);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.service-item h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.service-item p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--shadow);
  text-align: center;
}

.contact-intro {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.125rem;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto 2rem;
  text-align: left;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.submit-btn {
  background: var(--accent);
  color: var(--white);
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.submit-btn:hover,
.submit-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  outline: none;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.social-links a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.social-links a:hover,
.social-links a:focus {
  color: var(--accent);
  outline: none;
}

/* Footer */
footer {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 2rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 1rem;
  }
  
  section {
    padding: 3rem 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .video-thumbnail {
    height: 250px;
  }
  
  .contact-form {
    padding: 0;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  header {
    position: static;
    background: transparent;
    box-shadow: none;
  }
  
  .cta-button,
  .video-thumbnail,
  .contact-form {
    display: none;
  }
}