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

:root {
  --primary-color: #2c3e50;
  --secondary-color: #e74c3c;
  --accent-color: #3498db;
  --light-bg: #f8f9fa;
  --text-color: #333;
  --text-light: #666;
  --border-color: #ddd;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
}

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

/* Typography */
h1,
h2,
h3 {
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 2rem;
}

p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

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

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

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

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

.nav-links a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  margin-top: 70px;
  min-height: calc(100vh - 70px);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="dots" x="0" y="0" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="1200" height="600" fill="url(%23dots)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 400;
  color: #ffffff;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.7), 0 6px 20px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.5px;
  font-weight: 500;
}

.cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--secondary-color);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  background: #c0392b;
}

/* About Section */
.about {
  padding: 80px 0;
  background: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.about-image img:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.about-text h2 {
  text-align: left;
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.techniques {
  margin-top: 2rem;
}

.techniques h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  display: inline-block;
  padding: 8px 16px;
  background: var(--light-bg);
  border: 2px solid var(--accent-color);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--accent-color);
  font-weight: 600;
  transition: var(--transition);
}

.tag:hover {
  background: var(--accent-color);
  color: white;
}

/* Gallery Section */
.gallery {
  padding: 80px 0;
  background: var(--light-bg);
}

.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 10px 25px;
  border: 2px solid var(--border-color);
  background: white;
  color: var(--text-color);
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--secondary-color);
  color: white;
  border-color: var(--secondary-color);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  animation: fadeIn 0.5s ease-out;
}

.gallery-item {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.gallery-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover .gallery-item-image {
  transform: scale(1.05);
}

.gallery-item-info {
  padding: 1.5rem;
}

.gallery-item-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.gallery-item-technique {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.gallery-item-category {
  display: inline-block;
  font-size: 0.8rem;
  padding: 4px 12px;
  background: var(--accent-color);
  color: white;
  border-radius: 15px;
  margin-top: 0.5rem;
}

/* Featured Gallery Section */
.featured-gallery {
  padding: 80px 0;
  background: white;
}

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

.featured-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  aspect-ratio: 1;
}

.featured-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.featured-item:hover img {
  transform: scale(1.1);
}

.featured-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
  opacity: 0;
  transition: var(--transition);
}

.featured-item:hover .featured-overlay {
  opacity: 1;
}

.featured-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.featured-technique {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: var(--primary-color);
  color: white;
}

.contact h2 {
  color: white;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  text-align: center;
}

.contact-item h3 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.contact-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

.contact-item a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: var(--transition);
}

.contact-item a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  padding: 2rem 0;
  background: rgba(0, 0, 0, 0.1);
  color: white;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  object-fit: contain;
  border-radius: 10px;
}

#modalCaption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 600px;
  text-align: center;
  color: #ccc;
  padding: 20px 0;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.1rem;
}

.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
  z-index: 2001;
}

.close:hover {
  color: #bbb;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .gallery-item-image {
    height: 200px;
  }

  h2 {
    font-size: 1.5rem;
  }

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

@media (max-width: 600px) {
  .navbar .container {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.8rem;
  }

  .hero {
    margin-top: 120px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .gallery-filters {
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 8px 15px;
    font-size: 0.9rem;
  }

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

  .cta-button {
    padding: 12px 30px;
    font-size: 0.9rem;
  }

  .modal-content {
    max-width: 95vw;
    max-height: 95vh;
  }
}

/* Loading animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Lazy loading placeholder */
.gallery-item-image {
  background: var(--light-bg);
}

img[loading="lazy"] {
  opacity: 0.8;
  transition: opacity 0.3s ease-out;
}

img[loading="lazy"].loaded {
  opacity: 1;
}