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

:root {
  --primary-color: #000;
  --secondary-color: #666;
  --accent-color: #0066cc;
  --bg-color: #fff;
  --text-color: #333;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, 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 */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #eee;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--accent-color);
}

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

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero h1,
.hero p {
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  font-size: 72px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 30px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.cta-button {
  display: inline-block;
  padding: 16px 40px;
  background: white;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Portfolio Grid */
.portfolio {
  padding: 100px 0;
}

.section-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 60px;
  text-align: center;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: #f5f5f5;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  transform: translateY(100%);
  transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-overlay h3 {
  color: white;
  font-size: 24px;
  margin-bottom: 10px;
}

.portfolio-overlay p {
  color: #ddd;
  font-size: 14px;
}

/* About Section */
.about {
  padding: 100px 0;
  background: #f9f9f9;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 48px;
  margin-bottom: 30px;
}

.about-text p {
  font-size: 18px;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-image {
  aspect-ratio: 1;
  background: #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* or contain */
  display: block;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  margin-bottom: 20px;
  font-size: 18px;
}

.footer-section p,
.footer-section a {
  color: #ccc;
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #333;
  color: #888;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    border-bottom: 1px solid #eee;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero p {
    font-size: 18px;
  }

  .section-title {
    font-size: 36px;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}