/* ==========================================================================
   SV3388 VISUAL MEDIA & PHOTO SHOWCASE LANDING
   Dark Luxury & Gold Accent Theme
   ========================================================================== */

:root {
  --primary-gold: #ffd700;
  --secondary-gold: #d4af37;
  --dark-gold: #cd853f;
  --accent-bronze: #8b7d7b;
  --bg-dark: #0a0909;
  --bg-darker: #050505;
  --bg-card: rgba(22, 22, 22, 0.85);
  --bg-card-hover: rgba(35, 35, 35, 0.95);
  --border-gold: rgba(212, 175, 55, 0.35);
  --border-gold-bright: #eee8aa;
  --text-white: #ffffff;
  --text-gray: #c5c5c5;
  --text-muted: #888888;
  --shadow-glow: 0 0 25px rgba(255, 215, 0, 0.15);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.7);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-main: 'Roboto Flex', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Roboto Condensed', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  background-image: url('../assets/images/Thiet-ke-chua-co-ten-2-1-scaled-1-2-1.jpg');
  background-repeat: repeat;
  background-attachment: fixed;
  background-size: cover;
  color: var(--text-white);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

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

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

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 15px;
  width: 100%;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  transition: var(--transition);
}

#header.stuck {
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.8);
  border-bottom-color: rgba(212, 175, 55, 0.4);
}

.header-main {
  padding: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  max-width: 280px;
}

.logo-container img {
  height: auto;
  max-height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255, 215, 0, 0.2));
  transition: var(--transition);
}

.logo-container:hover img {
  filter: drop-shadow(0 2px 14px rgba(255, 215, 0, 0.4));
  transform: scale(1.02);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header {
  padding: 9px 20px;
  border-radius: 9px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-primary-gold {
  background: linear-gradient(135deg, #ffd700 0%, #cd853f 100%);
  color: #111111;
  border: 1px solid #ffe484;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.35);
}

.btn-primary-gold:hover {
  background: linear-gradient(135deg, #ffe033 0%, #e09647 100%);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
  transform: translateY(-2px);
  color: #000000;
}

.btn-secondary-dark {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.btn-secondary-dark:hover {
  background: rgba(255, 215, 0, 0.15);
  border-color: #ffd700;
  color: #ffd700;
  transform: translateY(-2px);
}

/* Secondary Navigation Bar (Pills) */
.header-bottom-nav-wrapper {
  background-color: #050505;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.nav-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  gap: 8px;
  padding: 6px 0;
  flex-wrap: wrap;
}

.nav-pills li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  color: #ffffff;
  background: transparent;
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-pills li a .nav-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.nav-pills li.active a,
.nav-pills li a:hover {
  background: linear-gradient(135deg, rgba(205, 133, 63, 0.25) 0%, rgba(255, 215, 0, 0.25) 100%);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--primary-gold);
  font-size: 26px;
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   HERO BANNER SLIDER
   ========================================================================== */

.hero-slider-section {
  padding: 15px 0 25px;
  position: relative;
}

.slider-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(255, 215, 0, 0.2);
  background: #000;
}

.slider-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
}

.slide-item {
  min-width: 100%;
  position: relative;
  overflow: hidden;
}

.slide-item img {
  width: 100%;
  height: auto;
  min-height: 240px;
  max-height: 480px;
  object-fit: cover;
  display: block;
  transition: transform 1s ease;
}

.slide-item:hover img {
  transform: scale(1.03);
}

.slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
  padding: 30px 25px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slide-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  background: linear-gradient(135deg, #ffd700, #cd853f);
  color: #000;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  border-radius: 4px;
  letter-spacing: 1px;
}

.slide-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.slide-desc {
  font-size: 14px;
  color: var(--text-gray);
  max-width: 700px;
}

/* Slider Controls */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.slider-btn:hover {
  background: var(--primary-gold);
  color: #000;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

.slider-prev {
  left: 15px;
}

.slider-next {
  right: 15px;
}

.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(212, 175, 55, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--primary-gold);
  width: 28px;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

/* ==========================================================================
   4 FEATURED IMAGE CARDS SECTION (Matching sv3388 layout)
   ========================================================================== */

.category-cards-section {
  padding: 10px 0 35px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.2);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-gold);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.8), 0 0 25px rgba(255, 215, 0, 0.3);
}

.card-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 100%; /* 1:1 Aspect ratio square */
  overflow: hidden;
  background: #111;
}

.card-img-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.feature-card:hover .card-img-wrapper img {
  transform: scale(1.1);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.card-content {
  padding: 16px 14px;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.95) 0%, rgba(10, 10, 10, 0.98) 100%);
  border-top: 1px solid rgba(255, 215, 0, 0.15);
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-subtitle {
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 12px;
}

.card-action-btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #000;
  background: linear-gradient(135deg, #ffd700, #cd853f);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--transition);
}

.card-action-btn:hover {
  background: #ffffff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   FEATURED SHOWCASE SECTION (Bordered Frame with Gold Glow)
   ========================================================================== */

.showcase-section {
  padding: 20px 0 40px;
}

.gold-bordered-box {
  background: rgba(12, 12, 12, 0.9);
  border: 2px solid var(--border-gold-bright);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: 0 0 30px rgba(238, 232, 170, 0.15), inset 0 0 20px rgba(0, 0, 0, 0.8);
  position: relative;
  backdrop-filter: blur(10px);
}

.section-main-heading {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-gold);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  line-height: 1.3;
}

.section-main-heading span {
  color: #ff4d4d;
}

.showcase-intro-text {
  font-size: 15px;
  line-height: 1.8;
  color: #e0e0e0;
  text-align: justify;
  margin-bottom: 24px;
}

.showcase-intro-text strong {
  color: var(--primary-gold);
}

/* Featured Media Showcase (Image/GIF) */
.featured-media-block {
  margin: 25px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.3);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  position: relative;
}

.featured-media-block img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.featured-media-block:hover img {
  transform: scale(1.02);
}

.featured-media-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px 20px;
  background: linear-gradient(0deg, rgba(0,0,0,0.9) 0%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.caption-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-gold);
}

.view-badge {
  background: rgba(255, 215, 0, 0.2);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

/* Two Column Presentation Grid */
.showcase-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin: 30px 0 15px;
  align-items: center;
}

.split-text-col h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--primary-gold);
  margin-bottom: 12px;
}

.split-text-col p {
  font-size: 14px;
  color: #cccccc;
  line-height: 1.8;
  margin-bottom: 14px;
}

.split-media-col {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.3);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7);
  cursor: pointer;
  position: relative;
}

.split-media-col img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.split-media-col:hover img {
  transform: scale(1.04);
}

/* Media Stats Counter */
.media-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-top: 30px;
  padding-top: 25px;
  border-top: 1px dashed rgba(255, 215, 0, 0.3);
}

.stat-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 215, 0, 0.15);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  text-align: center;
  transition: var(--transition);
}

.stat-box:hover {
  border-color: var(--primary-gold);
  background: rgba(255, 215, 0, 0.05);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-gold);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   INTERACTIVE GALLERY GRID WITH FILTER TABS
   ========================================================================== */

.gallery-section {
  padding: 20px 0 45px;
}

.section-header-center {
  text-align: center;
  margin-bottom: 25px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-gray);
  margin-top: 4px;
}

.gallery-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
  color: var(--text-gray);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-gold);
  color: #000000;
  border-color: var(--primary-gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #111;
  border: 1px solid rgba(255, 215, 0, 0.15);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: var(--transition);
  aspect-ratio: 1 / 1;
}

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

.gallery-item:hover img {
  transform: scale(1.12);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 15px;
}

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

.gallery-item-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-gold);
}

.gallery-item-category {
  font-size: 12px;
  color: #ddd;
}

.gallery-zoom-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* ==========================================================================
   PARTNERS & MEDIA BANNER
   ========================================================================== */

.partners-section {
  padding: 10px 0 30px;
}

.partners-banner-box {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
}

.partners-banner-box img {
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.8));
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer-wrapper {
  background-color: #050505;
  background-image: url('../assets/images/Thiet-ke-chua-co-ten-2-1-scaled-1-2.jpg');
  background-size: cover;
  border-top: 2px solid rgba(212, 175, 55, 0.3);
  padding: 45px 0 20px;
  margin-top: auto;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 35px;
}

.footer-col h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-gold);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a {
  color: var(--text-gray);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer-links li a:hover {
  color: var(--primary-gold);
  transform: translateX(4px);
}

.footer-links li a i {
  color: var(--primary-gold);
  font-size: 12px;
}

.footer-contact-info {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.8;
}

.footer-contact-info p {
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-contact-info strong {
  color: var(--primary-gold);
}

/* Social Share Icons Row */
.social-share-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.social-share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  cursor: pointer;
}

.social-share-btn:hover {
  background: var(--primary-gold);
  color: #000000;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
  transform: translateY(-3px);
}

.copyright-bar {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.copyright-bar strong {
  color: var(--primary-gold);
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (Zalo & Phone Widget)
   ========================================================================== */

.floating-contact-widget {
  position: fixed;
  bottom: 30px;
  left: 25px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.floating-btn-item {
  position: relative;
  width: 50px;
  height: 50px;
  cursor: pointer;
}

.pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background-color: rgba(224, 51, 51, 0.4);
  animation: pulseAnimation 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.floating-btn-item.zalo-btn .pulse-ring {
  background-color: rgba(0, 136, 255, 0.4);
}

.floating-btn-circle {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #e03333;
  box-shadow: 0 4px 15px rgba(224, 51, 51, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition);
}

.floating-btn-item.zalo-btn .floating-btn-circle {
  background: #0088ff;
  box-shadow: 0 4px 15px rgba(0, 136, 255, 0.6);
}

.floating-btn-circle img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.floating-btn-item:hover .floating-btn-circle {
  transform: scale(1.12);
}

@keyframes pulseAnimation {
  0% {
    transform: scale(0.9);
    opacity: 0.9;
  }
  70% {
    transform: scale(1.5);
    opacity: 0;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 30px;
  right: 25px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top-btn:hover {
  background: var(--primary-gold);
  color: #000;
  transform: translateY(-3px);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

/* ==========================================================================
   FULLSCREEN IMAGE LIGHTBOX
   ========================================================================== */

.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content-box {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 215, 0, 0.4);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 215, 0, 0.2);
}

.lightbox-caption-bar {
  margin-top: 14px;
  text-align: center;
  color: #ffffff;
}

.lightbox-caption-bar h4 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--primary-gold);
}

.lightbox-caption-bar p {
  font-size: 13px;
  color: var(--text-gray);
}

.lightbox-close-btn {
  position: fixed;
  top: 25px;
  right: 25px;
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--primary-gold);
  border-radius: 50%;
  color: var(--primary-gold);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10002;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.lightbox-close-btn:hover {
  background: var(--primary-gold);
  color: #000000;
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-nav-btn:hover {
  background: var(--primary-gold);
  color: #000;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* ==========================================================================
   MOBILE OFFCANVAS DRAWER
   ========================================================================== */

.mobile-drawer {
  position: fixed;
  top: 0;
  left: -300px;
  width: 280px;
  height: 100vh;
  background: #0d0d0d;
  border-right: 1px solid rgba(255, 215, 0, 0.3);
  z-index: 10001;
  transition: transform 0.35s ease;
  padding: 25px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.8);
}

.mobile-drawer.open {
  transform: translateX(300px);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 15px;
}

.drawer-header img {
  max-height: 38px;
}

.drawer-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

.drawer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drawer-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
}

.drawer-nav li a:hover,
.drawer-nav li.active a {
  background: rgba(255, 215, 0, 0.15);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

.drawer-nav li a img {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .header-actions {
    display: none;
  }

  .header-bottom-nav-wrapper {
    display: none;
  }

  .showcase-split-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .media-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .section-main-heading {
    font-size: 22px;
  }

  .gold-bordered-box {
    padding: 20px 15px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}

@media (max-width: 480px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .card-content {
    padding: 10px 8px;
  }

  .card-title {
    font-size: 14px;
  }

  .card-subtitle {
    font-size: 11px;
    margin-bottom: 6px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}