/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

:root {
  /* Color Palette - Neutral, photography-focused */
  --color-primary: #1a1a1a;
  --color-secondary: #4a4a4a;
  --color-accent: #2c3e50;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  --color-border: #e0e0e0;

  /* Typography */
  --font-primary:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  --font-heading: "Georgia", serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Layout */
  --container-width: 1200px;
  --sidebar-width: 280px;

  /* Transitions */
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* ===================================
   Site Wrapper & Layout
   =================================== */

.site-wrapper {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: calc(var(--sidebar-width) + var(--spacing-lg));
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===================================
   Sidebar Navigation
   =================================== */

.sidebar {
  position: fixed;
  left: var(--spacing-lg);
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--color-white);
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-lg) 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  padding: 0 var(--spacing-xs);
}

.logo:hover {
  opacity: 0.7;
}

.sidebar-nav {
  flex: 1;
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.nav-links a {
  color: var(--color-secondary);
  font-weight: 500;
  padding: var(--spacing-sm);
  display: block;
  transition: var(--transition);
}

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

.sidebar-footer {
  padding-top: var(--spacing-md);
}

.sidebar-footer .social-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: 1rem;
}

.sidebar-footer .social-links a {
  color: var(--color-secondary);
  padding: var(--spacing-xs);
}

.sidebar-footer .social-links a:hover {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  flex-direction: column;
  gap: 5px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: var(--spacing-sm);
  z-index: 1001;
  border-radius: 4px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

/* ===================================
   Photo Grid (Home Page)
   =================================== */

.photo-grid {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-lg)
    var(--spacing-md);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.grid-item {
  overflow: hidden;
}

.grid-item img {
  width: 100%;
  height: auto;
  display: block;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.grid-item img:hover {
  opacity: 0.9;
}

/* ===================================
   Lightbox
   =================================== */

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-image {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 3rem;
  cursor: pointer;
  padding: var(--spacing-md);
  transition: opacity 0.2s ease;
  z-index: 2001;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 0.7;
}

.lightbox-close {
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 4rem;
  line-height: 1;
}

.lightbox-prev {
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
}

/* ===================================
   Page Header (All Interior Pages)
   =================================== */

.page-header {
  padding: var(--spacing-lg) 0 var(--spacing-md) 0;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--color-light) 0%,
    var(--color-white) 100%
  );
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.page-header p {
  font-size: 1.15rem;
  color: var(--color-secondary);
}

/* ===================================
   Gallery Filters (Photography Page)
   =================================== */

.gallery-filters {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-light);
  border: 2px solid transparent;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

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

/* ===================================
   Photo Gallery (Photography Page)
   =================================== */

.photo-gallery {
  padding: var(--spacing-lg) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

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

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

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

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  color: var(--color-white);
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-overlay h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.gallery-overlay p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ===================================
   Blog Posts (Blog Page)
   =================================== */

.blog-posts {
  padding: var(--spacing-lg) 0;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.post-card {
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.post-image {
  height: 250px;
  overflow: hidden;
}

.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-image img {
  transform: scale(1.1);
}

.post-content {
  padding: var(--spacing-md);
}

.post-meta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-secondary);
}

.post-category {
  padding: 4px 12px;
  background-color: var(--color-light);
  border-radius: 15px;
  font-weight: 500;
}

.post-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.post-title a:hover {
  color: var(--color-accent);
}

.post-excerpt {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.read-more {
  color: var(--color-accent);
  font-weight: 600;
}

.read-more:hover {
  text-decoration: underline;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.pagination-link {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: var(--transition);
}

.pagination-link:hover,
.pagination-link.active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ===================================
   About Page
   =================================== */

.about-content {
  padding: var(--spacing-lg) 0;
}

.about-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: start;
}

.about-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.about-text .lead {
  font-size: 1.25rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.about-section {
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: 8px;
}

.about-section h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.about-section p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.about-cta {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-light) 0%,
    var(--color-white) 100%
  );
  border-radius: 8px;
}

.about-cta h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.about-cta p {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

/* ===================================
   Contact Page
   =================================== */

.contact-content {
  padding: var(--spacing-lg) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.contact-info > p {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.contact-methods {
  margin-bottom: var(--spacing-lg);
}

.contact-method {
  margin-bottom: var(--spacing-lg);
}

.contact-method h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.contact-method p {
  color: var(--color-secondary);
}

.contact-method a:hover {
  color: var(--color-accent);
}

.social-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.social-list a {
  color: var(--color-secondary);
}

.social-list a:hover {
  color: var(--color-accent);
}

.availability {
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: 8px;
}

.availability h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.availability ul {
  list-style: disc;
  margin-left: var(--spacing-md);
}

.availability li {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

/* Contact Form */
.contact-form-container {
  background-color: var(--color-light);
  padding: var(--spacing-lg);
  border-radius: 8px;
}

.contact-form h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition);
}

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

.form-note {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-style: italic;
}

/* ===================================
   Buttons
   =================================== */

.btn-primary {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

/* ===================================
   Footer
   =================================== */

.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-content p {
  color: rgba(255, 255, 255, 0.8);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  color: rgba(255, 255, 255, 0.8);
}

.social-links a:hover {
  color: var(--color-white);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  /* Mobile Sidebar - Convert to top header */
  .mobile-menu-toggle {
    display: none;
  }

  .sidebar {
    position: relative;
    left: 0;
    width: 100%;
    height: auto;
    transform: none;
    border-right: none;
  }

  .sidebar-content {
    padding: var(--spacing-md);
    text-align: center;
  }

  .logo {
    margin-bottom: var(--spacing-sm);
  }

  .sidebar-footer {
    border-top: none;
    padding-top: 0;
  }

  .sidebar-footer .social-links {
    flex-direction: row;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .main-content {
    margin-left: 0;
  }

  .site-wrapper {
    flex-direction: column;
  }

  /* Grid Layouts */
  .grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

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

  /* About Page */
  .about-intro {
    grid-template-columns: 1fr;
  }

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

  /* Contact Page */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===================================
   Utility Classes
   =================================== */

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}