/* Editorial Panorama - Ultra-wide Panoramic Editorial News Website */
/* Design: Photography Exhibition Layout with Magazine-grade Typography */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800;900&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

/* === BASE RESET & VARIABLES === */
:root {
  --ep-primary: #1a1a1a;
  --ep-secondary: #2d2d2d;
  --ep-accent: #c9a961;
  --ep-accent-hover: #d4b76f;
  --ep-text: #333333;
  --ep-text-light: #666666;
  --ep-text-inverse: #ffffff;
  --ep-bg: #fafafa;
  --ep-bg-dark: #0a0a0a;
  --ep-border: rgba(0, 0, 0, 0.08);
  --ep-shadow: rgba(0, 0, 0, 0.12);
  --ep-max-width: 1800px;
  --ep-nav-height: 80px;
  --ep-gap: 48px;
  --ep-gap-sm: 32px;
  --ep-gap-xs: 24px;
  --ep-font-display: 'Playfair Display', serif;
  --ep-font-body: 'Source Sans 3', sans-serif;
  --ep-transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  --ep-transition-fast: all 0.3s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ep-font-body);
  color: var(--ep-text);
  background: var(--ep-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* === NAVIGATION === */
.ep-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--ep-nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ep-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ep-nav-inner {
  width: 100%;
  max-width: var(--ep-max-width);
  padding: 0 var(--ep-gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ep-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ep-font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--ep-primary);
}

.ep-logo-mark {
  width: 40px;
  height: 40px;
  background: var(--ep-accent);
  color: var(--ep-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
}

.ep-nav-links {
  display: flex;
  align-items: center;
  gap: 48px;
  list-style: none;
}

.ep-nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ep-text-light);
  letter-spacing: 0.02em;
  padding: 8px 0;
  position: relative;
}

.ep-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ep-accent);
  transition: var(--ep-transition-fast);
}

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

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

.ep-nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.ep-search-btn {
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--ep-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--ep-transition-fast);
}

.ep-search-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--ep-text-light);
}

.ep-search-btn:hover {
  background: var(--ep-accent);
  border-color: var(--ep-accent);
}

.ep-search-btn:hover svg {
  stroke: var(--ep-text-inverse);
}

.ep-mobile-menu-btn {
  display: none;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
}

.ep-mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ep-primary);
  position: absolute;
  left: 12px;
  transition: var(--ep-transition-fast);
}

.ep-mobile-menu-btn span:nth-child(1) { top: 14px; }
.ep-mobile-menu-btn span:nth-child(2) { top: 22px; }
.ep-mobile-menu-btn span:nth-child(3) { top: 30px; }

/* === SEARCH OVERLAY === */
.ep-search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--ep-transition);
}

.ep-search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.ep-search-overlay-inner {
  width: 100%;
  max-width: 1200px;
  padding: var(--ep-gap);
}

.ep-search-close {
  position: absolute;
  top: var(--ep-gap);
  right: var(--ep-gap);
  width: 60px;
  height: 60px;
  background: var(--ep-primary);
  color: var(--ep-text-inverse);
  border: none;
  border-radius: 50%;
  font-size: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ep-transition-fast);
}

.ep-search-close:hover {
  background: var(--ep-accent);
}

.ep-search-box {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 40px;
  background: var(--ep-bg);
  border: 2px solid var(--ep-border);
  border-radius: 60px;
  margin-bottom: var(--ep-gap);
}

.ep-search-box svg {
  width: 28px;
  height: 28px;
  stroke: var(--ep-text-light);
}

.ep-search-input {
  flex: 1;
  font-size: 24px;
  font-family: var(--ep-font-body);
  border: none;
  outline: none;
  background: transparent;
  color: var(--ep-primary);
}

.ep-search-input::placeholder {
  color: var(--ep-text-light);
}

.ep-search-results {
  display: grid;
  gap: var(--ep-gap-sm);
}

.ep-search-result-item {
  display: flex;
  gap: var(--ep-gap-sm);
  padding: var(--ep-gap-sm);
  background: var(--ep-bg);
  border-radius: 12px;
  transition: var(--ep-transition-fast);
}

.ep-search-result-item:hover {
  background: var(--ep-primary);
  color: var(--ep-text-inverse);
}

.ep-search-result-thumb {
  width: 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
}

.ep-search-result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ep-search-result-info {
  flex: 1;
}

.ep-search-result-cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--ep-accent);
  margin-bottom: 8px;
}

.ep-search-result-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

.ep-search-empty {
  text-align: center;
  padding: var(--ep-gap);
  font-size: 18px;
  color: var(--ep-text-light);
}

/* === PANORAMA HERO === */
.ep-hero {
  padding-top: var(--ep-nav-height);
  background: var(--ep-bg-dark);
  overflow: hidden;
}

.ep-hero-inner {
  width: 100%;
  max-width: var(--ep-max-width);
  margin: 0 auto;
  padding: var(--ep-gap) var(--ep-gap-xs);
}

.ep-hero-label {
  font-family: var(--ep-font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--ep-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-left: var(--ep-gap-xs);
}

.ep-hero-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--ep-gap);
  padding: var(--ep-gap);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 24px;
  transition: var(--ep-transition);
}

.ep-hero-card:hover {
  background: rgba(255, 255, 255, 0.05);
}

.ep-hero-card-img {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.ep-hero-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--ep-transition);
}

.ep-hero-card:hover .ep-hero-card-img img {
  transform: scale(1.02);
}

.ep-hero-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  padding: var(--ep-gap-xs) 0;
}

.ep-hero-card-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--ep-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  background: rgba(201, 169, 97, 0.15);
  border-radius: 30px;
  align-self: flex-start;
}

.ep-hero-card-title {
  font-family: var(--ep-font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--ep-text-inverse);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.ep-hero-card-excerpt {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 600px;
}

.ep-hero-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ep-accent);
  letter-spacing: 0.02em;
}

.ep-hero-card-meta svg {
  width: 20px;
  height: 20px;
  stroke: var(--ep-accent);
}

/* === PANORAMA GALLERY SECTION === */
.ep-section {
  padding: var(--ep-gap) 0;
  position: relative;
}

.ep-section-inner {
  width: 100%;
  max-width: var(--ep-max-width);
  margin: 0 auto;
  padding: 0 var(--ep-gap-xs);
}

.ep-section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--ep-gap-sm);
  padding-bottom: var(--ep-gap-sm);
  border-bottom: 2px solid var(--ep-border);
}

.ep-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ep-accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.ep-section-title {
  font-family: var(--ep-font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--ep-primary);
  letter-spacing: -0.01em;
}

.ep-section-id {
  font-family: var(--ep-font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--ep-text-light);
  letter-spacing: 0.08em;
  opacity: 0.5;
}

/* === PANORAMA GALLERY GRID === */
.ep-gallery {
  display: grid;
  gap: var(--ep-gap-xs);
  grid-template-columns: repeat(4, 1fr);
}

/* Large feature cards */
.ep-card-large {
  grid-column: span 2;
  grid-row: span 2;
}

.ep-card-medium {
  grid-column: span 2;
}

/* Standard card */
.ep-card {
  display: flex;
  flex-direction: column;
  background: var(--ep-bg);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--ep-transition);
  position: relative;
}

.ep-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: var(--ep-transition);
  z-index: 1;
}

.ep-card:hover::before {
  opacity: 1;
}

.ep-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 64px var(--ep-shadow);
}

.ep-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.ep-card-large .ep-card-img {
  aspect-ratio: 3/2;
}

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

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

.ep-card-body {
  padding: var(--ep-gap-sm);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.ep-card-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--ep-accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  align-self: flex-start;
}

.ep-card-title {
  font-family: var(--ep-font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ep-primary);
  line-height: 1.3;
}

.ep-card-large .ep-card-title {
  font-size: 32px;
}

.ep-card-excerpt {
  font-size: 15px;
  color: var(--ep-text-light);
  line-height: 1.6;
  flex: 1;
}

/* === PANORAMA DIVIDER === */
.ep-divider {
  width: 100%;
  max-width: var(--ep-max-width);
  margin: 0 auto;
  padding: 0 var(--ep-gap-xs);
}

.ep-divider-line {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--ep-border) 20%, var(--ep-border) 80%, transparent 100%);
}

/* === FOOTER === */
.ep-footer {
  padding: var(--ep-gap) 0;
  background: var(--ep-bg-dark);
  margin-top: var(--ep-gap);
}

.ep-footer-inner {
  width: 100%;
  max-width: var(--ep-max-width);
  margin: 0 auto;
  padding: 0 var(--ep-gap-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.ep-footer-text {
  font-family: var(--ep-font-display);
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.02em;
}

.ep-footer-links {
  display: flex;
  gap: 48px;
}

.ep-footer-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02em;
}

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

/* === RESPONSIVE === */
@media (max-width: 1600px) {
  .ep-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .ep-card-large {
    grid-column: span 2;
  }
}

@media (max-width: 1200px) {
  :root {
    --ep-gap: 32px;
    --ep-gap-sm: 24px;
    --ep-gap-xs: 20px;
  }
  
  .ep-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ep-card-large {
    grid-column: span 2;
  }
  
  .ep-hero-card {
    grid-template-columns: 1.2fr 1fr;
  }
  
  .ep-hero-card-title {
    font-size: 36px;
  }
  
  .ep-nav-links {
    gap: 32px;
  }
}

@media (max-width: 900px) {
  :root {
    --ep-nav-height: 64px;
    --ep-gap: 24px;
    --ep-gap-sm: 20px;
    --ep-gap-xs: 16px;
  }
  
  .ep-nav-links {
    display: none;
  }
  
  .ep-mobile-menu-btn {
    display: block;
  }
  
  .ep-hero-card {
    grid-template-columns: 1fr;
  }
  
  .ep-hero-card-title {
    font-size: 28px;
  }
  
  .ep-section-title {
    font-size: 28px;
  }
  
  .ep-card-title {
    font-size: 18px;
  }
  
  .ep-card-large .ep-card-title {
    font-size: 24px;
  }
}

@media (max-width: 600px) {
  :root {
    --ep-gap: 20px;
    --ep-gap-sm: 16px;
    --ep-gap-xs: 12px;
  }
  
  .ep-logo {
    font-size: 22px;
  }
  
  .ep-hero-card-title {
    font-size: 24px;
  }
  
  .ep-gallery {
    grid-template-columns: 1fr;
  }
  
  .ep-card-large,
  .ep-card-medium {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .ep-footer-links {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
}

/* === ANIMATION === */
.ep-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.ep-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation for gallery items */
.ep-gallery .ep-card:nth-child(1) { transition-delay: 0s; }
.ep-gallery .ep-card:nth-child(2) { transition-delay: 0.1s; }
.ep-gallery .ep-card:nth-child(3) { transition-delay: 0.2s; }
.ep-gallery .ep-card:nth-child(4) { transition-delay: 0.3s; }
.ep-gallery .ep-card:nth-child(5) { transition-delay: 0.4s; }
.ep-gallery .ep-card:nth-child(6) { transition-delay: 0.5s; }
.ep-gallery .ep-card:nth-child(7) { transition-delay: 0.6s; }
.ep-gallery .ep-card:nth-child(8) { transition-delay: 0.7s; }