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

:root {
  --color-background: #fafaf9;
  --color-foreground: #1c1917;
  --color-primary: #292524;
  --color-secondary: #78716c;
  --color-accent: #57534e;
  --color-border: #e7e5e4;
  --color-card: #ffffff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation */
.navigation {
  background-color: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-foreground);
  text-decoration: none;
  letter-spacing: 0.05em;
}

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

.nav-links a {
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-foreground);
}

/* Main Content */
.main-content {
  flex: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
}

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: 4rem;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.page-header p {
  font-size: 1.125rem;
  color: var(--color-secondary);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.gallery-item {
  background-color: var(--color-card);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.gallery-item-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

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

.gallery-item-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gallery-item-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.gallery-item-description {
  color: var(--color-accent);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Project Detail */
.project-container {
  max-width: 1200px;
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--color-foreground);
}

.project-header {
  margin-bottom: 3rem;
}

.project-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.project-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.project-description {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-accent);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 2rem;
}

.project-image-container {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s;
}

.project-image-container:hover {
  transform: scale(1.02);
}

.project-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

/* About Page */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.about-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.about-intro {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.about-content p {
  margin-bottom: 1.25rem;
  line-height: 1.7;
  color: var(--color-accent);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.stat p {
  font-size: 0.95rem;
  color: var(--color-secondary);
  margin: 0;
}

/* Contact Page */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.contact-intro {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-accent);
  margin-bottom: 3rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-foreground);
}

.contact-item p {
  color: var(--color-accent);
}

.contact-item a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-item a:hover {
  color: var(--color-foreground);
}

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

/* Contact Form */
.contact-form {
  background-color: var(--color-card);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

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

.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-foreground);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-background);
  color: var(--color-foreground);
  transition: border-color 0.2s;
}

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

.form-group textarea {
  resize: vertical;
}

.submit-button {
  width: 100%;
  padding: 0.875rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-background);
  background-color: var(--color-foreground);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.submit-button:hover {
  opacity: 0.9;
}

/* Footer */
.footer {
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  color: var(--color-secondary);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .about-container,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

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

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}