/* PotteryWorld - Main Stylesheet */

/* CSS Variables */
:root {
  --primary: #e37d39;
  --secondary: #4a3f35;
  --accent: #d4a574;
  --black: #000000;
  --white: #ffffff;
  --gray-1: #f8f5f2;
  --gray-2: #e8e2dc;
  --gray-3: #d4ccc4;
  --gray-4: #a89b8c;
  
  --font-display: 'Frank Ruhl Libre', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Domine', Georgia, serif;
  
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.4s ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
  letter-spacing: 0.3px;
}

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--gray-4);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary);
}

.btn-secondary {
  background-color: var(--primary);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: var(--secondary);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background-color: var(--white);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background-color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  min-width: 220px;
  padding: 16px 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 24px;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--gray-1);
  color: var(--primary);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--black);
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  max-height: 800px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 70px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.6));
  z-index: -1;
}

.hero-content {
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 24px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  text-shadow: 1px 1px 10px rgba(0,0,0,0.3);
}

/* Section Styles */
.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--gray-1);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--gray-4);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Category Cards */
.category-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.category-card:hover img {
  transform: scale(1.05);
}

.category-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--white);
}

.category-card-title {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.category-card-count {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Article Cards */
.article-card {
  background-color: var(--white);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
}

.article-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-card-image img {
  transform: scale(1.05);
}

.article-card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--primary);
  color: var(--white);
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-card-content {
  padding: 24px;
}

.article-card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.article-card-title a:hover {
  color: var(--primary);
}

.article-card-excerpt {
  font-size: 0.95rem;
  color: var(--gray-4);
  margin-bottom: 16px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--gray-4);
}

.article-card-author {
  color: var(--black);
  font-weight: 500;
}

.article-card-author:hover {
  color: var(--primary);
}

/* Timeline Section */
.timeline {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.timeline-item {
  text-align: center;
  padding: 24px 32px;
  background-color: var(--white);
  border: 1px solid var(--gray-3);
  cursor: pointer;
  transition: all var(--transition-normal);
  min-width: 160px;
}

.timeline-item:hover {
  border-color: var(--primary);
  background-color: var(--gray-1);
}

.timeline-item-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.timeline-item-title {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.timeline-item-date {
  font-size: 0.875rem;
  color: var(--gray-4);
}

/* Newsletter Section */
.newsletter {
  background-color: var(--secondary);
  color: var(--white);
  padding: 60px 0;
}

.newsletter .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.newsletter-title {
  color: var(--white);
  margin-bottom: 16px;
}

.newsletter-text {
  color: var(--gray-3);
}

.newsletter-form {
  display: flex;
  gap: 12px;
}

.newsletter-input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid var(--gray-4);
  background-color: transparent;
  color: var(--white);
  font-size: 1rem;
}

.newsletter-input::placeholder {
  color: var(--gray-4);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary);
}

.newsletter-btn {
  background-color: var(--primary);
  color: var(--white);
  padding: 14px 32px;
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color var(--transition-normal);
}

.newsletter-btn:hover {
  background-color: var(--accent);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.footer-about {
  color: var(--gray-4);
  margin-bottom: 24px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--gray-4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  border-color: var(--primary);
  background-color: var(--primary);
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--gray-4);
  font-size: 0.95rem;
  transition: color var(--transition-normal);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: var(--gray-4);
  font-size: 0.875rem;
}

/* Page Header */
.page-header {
  background-color: var(--gray-1);
  padding: 120px 0 60px;
  margin-top: 70px;
  text-align: center;
}

.page-header-title {
  margin-bottom: 16px;
}

.page-header-desc {
  max-width: 700px;
  margin: 0 auto;
  color: var(--gray-4);
}

/* Article Page */
.article-header {
  margin-top: 70px;
  padding: 40px 0;
  background-color: var(--gray-1);
}

.article-featured-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  margin-bottom: 40px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-category {
  background-color: var(--primary);
  color: var(--white);
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.article-author-name {
  font-weight: 500;
}

.article-date {
  color: var(--gray-4);
  font-size: 0.9rem;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}

.article-content h2 {
  margin-top: 40px;
  margin-bottom: 20px;
}

.article-content h3 {
  margin-top: 32px;
  margin-bottom: 16px;
}

.article-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-content img {
  width: 100%;
  margin: 32px 0;
  border-radius: 4px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--secondary);
}

/* Related Articles */
.related-articles {
  background-color: var(--gray-1);
  padding: 60px 0;
}

/* Category Page */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
  padding: 40px 0;
}

.subcategory-card {
  background-color: var(--white);
  padding: 32px;
  border: 1px solid var(--gray-3);
  transition: all var(--transition-normal);
}

.subcategory-card:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.subcategory-card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.subcategory-card-title a:hover {
  color: var(--primary);
}

.subcategory-card-desc {
  color: var(--gray-4);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.subcategory-card-count {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 500;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 40px 0;
}

.pagination a,
.pagination span {
  padding: 12px 18px;
  border: 1px solid var(--gray-3);
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination .current {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .newsletter .container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  
  .hero-title { font-size: 2.5rem; }
  
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .timeline {
    flex-direction: column;
    align-items: center;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

/* Reduced Motion */
@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;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.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: 0;
}