/*
  Ceylan Transport - High-End Holding Overhaul
  Theme: Obsidian Dark & Soft Gold Champagne
  Author: Antigravity IDE Agent
*/

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Outfit:wght@300;400;500;600&display=swap');

/* Variables */
:root {
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Playfair Display', serif;
  --font-accent: 'Outfit', sans-serif;

  /* Color Palette */
  --bg-obsidian: #050608;
  --bg-slate: #0b0d13;
  --bg-card: rgba(11, 13, 19, 0.7);
  --border-color: rgba(197, 168, 128, 0.12);
  --border-hover: rgba(197, 168, 128, 0.4);
  
  --text-white: #ffffff;
  --text-silver: #e2e8f0;
  --text-gray: #8c9ba5;
  --text-muted: #576574;
  
  /* Gold Accents */
  --accent-gold: #c5a880;
  --accent-gold-dark: #a28965;
  --accent-gold-light: #decbb2;
  
  --gradient-gold: linear-gradient(135deg, #c5a880 0%, #ecd7b9 100%);
  --gradient-dark: linear-gradient(180deg, #050608 0%, #0d0f14 100%);
  --gradient-overlay: linear-gradient(to bottom, rgba(5, 6, 8, 0.3) 0%, rgba(5, 6, 8, 0.95) 100%);
  
  /* System */
  --radius-sm: 0px; /* Zero border radius for sharp, prestigious architecture */
  --radius-md: 4px;
  --transition-normal: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-slow: 0.9s cubic-bezier(0.25, 1, 0.5, 1);
  --shadow-lg: 0 30px 60px rgba(0, 0, 0, 0.8);
  --shadow-gold-glow: 0 0 20px rgba(197, 168, 128, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-obsidian);
  color: var(--text-silver);
  overflow-x: hidden;
  line-height: 1.75;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-obsidian);
}
::-webkit-scrollbar-thumb {
  background: rgba(197, 168, 128, 0.15);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--text-white);
  letter-spacing: -0.01em;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-gold {
  color: var(--accent-gold);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section {
  padding: 140px 0;
  position: relative;
}

.section-header-editorial {
  margin-bottom: 80px;
}

.section-header-editorial span {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-gold);
  letter-spacing: 0.4em;
  display: block;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.section-header-editorial h2 {
  font-size: 3.2rem;
  line-height: 1.25;
  font-weight: 400;
  max-width: 800px;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 38px;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  border-radius: var(--radius-sm);
  gap: 12px;
}

.btn-primary {
  background: var(--gradient-gold);
  color: var(--bg-obsidian);
  position: relative;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ecd7b9;
  z-index: -1;
  opacity: 0;
  transition: var(--transition-normal);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(197, 168, 128, 0.15);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

/* Sticky Minimalist Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

header.scrolled {
  background: rgba(5, 6, 8, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
}

header:not(.scrolled) {
  padding: 36px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-white);
  letter-spacing: 0.2em;
}

.logo svg {
  width: 28px;
  height: 28px;
  fill: var(--accent-gold);
}

.logo span {
  color: var(--accent-gold);
  font-weight: 300;
  font-size: 0.95rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-accent);
  font-weight: 500;
  color: var(--text-gray);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding: 6px 0;
  transition: var(--transition-normal);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: var(--transition-normal);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.3rem;
  cursor: pointer;
}

/* Full Parallax Hero */
.hero-holding {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 110%;
  background: url('ceylan.png') no-repeat center center;
  background-size: cover;
  z-index: 0;
  filter: brightness(0.35) saturate(0.85);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero-holding .container {
  position: relative;
  z-index: 5;
}

.hero-holder-content {
  max-width: 900px;
}

.hero-pretitle {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5em;
  margin-bottom: 28px;
}

.hero-title-holding {
  font-size: 4.8rem;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 32px;
}

.hero-title-holding span {
  font-weight: 300;
  font-style: italic;
  font-family: var(--font-heading);
}

.hero-desc-holding {
  font-size: 1.2rem;
  color: var(--text-gray);
  margin-bottom: 48px;
  max-width: 680px;
  font-weight: 300;
  line-height: 1.9;
}

.hero-actions-holding {
  display: flex;
  gap: 20px;
}

/* Scroll indicator animation */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  color: var(--text-gray);
  font-size: 0.7rem;
  font-family: var(--font-accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, var(--accent-gold), transparent);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Dynamic Split Divisions Section */
.split-div-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: 700px;
  background-color: var(--bg-obsidian);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.split-div-left {
  padding: 100px 80px 100px 10%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-div-left-header {
  margin-bottom: 50px;
}

.split-div-left-header span {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  color: var(--accent-gold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.split-div-left-header h2 {
  font-size: 2.6rem;
  margin-top: 10px;
  font-weight: 400;
}

.division-list {
  list-style: none;
}

.division-item {
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: var(--transition-normal);
}

.division-item:last-child {
  border-bottom: none;
}

.division-number {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  color: var(--accent-gold);
  margin-bottom: 8px;
  display: block;
}

.division-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-normal);
}

.division-desc {
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-top: 12px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.4s ease;
}

.division-item.active .division-title {
  color: var(--text-white);
  padding-left: 15px;
  border-left: 2px solid var(--accent-gold);
}

.division-item.active .division-desc {
  max-height: 100px;
  opacity: 1;
}

/* Image preview box on right side of split */
.split-div-right {
  position: relative;
  overflow: hidden;
}

.division-preview-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
}

.division-preview-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: brightness(0.5) saturate(0.9);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 1.5s cubic-bezier(0.25, 1, 0.5, 1);
  transform: scale(1.05);
}

.division-preview-img.active {
  opacity: 1;
  transform: scale(1);
  z-index: 10;
}

.split-div-right::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, var(--bg-obsidian) 0%, transparent 15%);
  z-index: 15;
  pointer-events: none;
}

/* Asymmetric Editorial split (About us) */
.editorial-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.editorial-img-container {
  position: relative;
  border: 1px solid var(--border-color);
  padding: 12px;
}

.editorial-img-container img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  display: block;
  filter: brightness(0.6) saturate(0.85);
  transition: var(--transition-slow);
}

.editorial-img-container:hover img {
  filter: brightness(0.7) saturate(0.95);
}

.editorial-text h3 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 24px;
  font-weight: 400;
}

.editorial-text p {
  color: var(--text-gray);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.editorial-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.editorial-stat-card h4 {
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--accent-gold);
}

.editorial-stat-card p {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Infrastructure Block (editorial V-shape yard view) */
.infra-showcase {
  background: url('ceylan.png') no-repeat center center fixed;
  background-size: cover;
  height: 600px;
  position: relative;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.infra-showcase::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 6, 8, 0.75);
}

.infra-content-box {
  position: relative;
  z-index: 5;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 600px;
}

.infra-content-box span {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  color: var(--accent-gold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: block;
}

.infra-content-box h3 {
  font-size: 2.8rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 24px;
}

.infra-content-box p {
  color: var(--text-silver);
  font-size: 1.05rem;
  margin-bottom: 36px;
  line-height: 1.8;
}

/* High-End Gallery Grid */
.masonry-gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-gap: 20px;
  grid-template-rows: 260px 260px;
}

.gallery-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
  filter: brightness(0.55) saturate(0.85);
}

.gallery-card:hover img {
  transform: scale(1.04);
  filter: brightness(0.8) saturate(1);
}

.gallery-card:nth-child(1) { grid-column: span 3; grid-row: span 2; }
.gallery-card:nth-child(2) { grid-column: span 3; }
.gallery-card:nth-child(3) { grid-column: span 3; }
.gallery-card:nth-child(4) { grid-column: span 2; }
.gallery-card:nth-child(5) { grid-column: span 4; }

.gallery-card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(5, 6, 8, 0.95), transparent);
  z-index: 10;
  opacity: 0;
  transform: translateY(15px);
  transition: var(--transition-normal);
}

.gallery-card:hover .gallery-card-caption {
  opacity: 1;
  transform: translateY(0);
}

.gallery-card-caption h4 {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 4px;
}

.gallery-card-caption p {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
}

/* Quote/Highlight block (ceylan1.jpg) */
.parallax-quote-block {
  padding: 160px 0;
  background: url('ceylan.png') no-repeat center center fixed;
  background-size: cover;
  position: relative;
  text-align: center;
}

.parallax-quote-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 6, 8, 0.85);
}

.quote-content-container {
  position: relative;
  z-index: 5;
  max-width: 850px;
  margin: 0 auto;
}

.quote-content-container i {
  font-size: 2.4rem;
  color: var(--accent-gold);
  margin-bottom: 30px;
  display: block;
}

.quote-content-container blockquote {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 300;
  line-height: 1.45;
  color: var(--text-white);
  margin-bottom: 30px;
}

.quote-content-container cite {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-style: normal;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

/* Minimalist Form Controls */
.corp-form-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 60px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 30px;
}

.form-group label {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.form-control {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-white);
  padding: 14px 0;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-bottom-color: var(--accent-gold);
  box-shadow: none;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23c5a880'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 30px;
  color: var(--text-silver);
}

select.form-control option {
  background-color: var(--bg-obsidian);
  color: var(--text-white);
  padding: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.form-alert {
  padding: 18px;
  font-size: 0.9rem;
  border-left: 2px solid transparent;
  margin-bottom: 30px;
  display: none;
  font-family: var(--font-accent);
  letter-spacing: 0.05em;
}

.form-alert.success {
  display: block;
  background: rgba(197, 168, 128, 0.04);
  border-left-color: var(--accent-gold);
  color: var(--accent-gold);
}

.form-alert.error {
  display: block;
  background: rgba(239, 68, 68, 0.04);
  border-left-color: #ef4444;
  color: #f87171;
}

/* Contact layout split */
.holding-contact-split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}

.holding-contact-info {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.info-block-minimal {
  display: flex;
  gap: 20px;
}

.info-block-minimal i {
  font-size: 1.4rem;
  color: var(--accent-gold);
  margin-top: 4px;
}

.info-block-minimal h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.info-block-minimal p {
  color: var(--text-gray);
  font-size: 0.95rem;
}

.map-container-minimal {
  border: 1px solid var(--border-color);
  height: 250px;
  overflow: hidden;
  margin-top: auto;
}

.map-container-minimal iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) invert(0.92) contrast(1.2);
}

/* Spaced Corporate Footer */
footer {
  background: #020304;
  border-top: 1px solid var(--border-color);
  padding: 120px 0 50px;
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1.3fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer-about p {
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-top: 24px;
  margin-bottom: 32px;
}

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

.footer-social-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-gray);
  transition: var(--transition-normal);
}

.footer-social-icon:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.footer-links-col h4 {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.2em;
  margin-bottom: 30px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links-list a {
  font-size: 0.85rem;
  color: var(--text-gray);
  transition: var(--transition-normal);
}

.footer-links-list a:hover {
  color: var(--accent-gold);
  padding-left: 6px;
}

.footer-newsletter h4 {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent-gold);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.footer-newsletter p {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 24px;
}

.newsletter-form-minimal {
  position: relative;
}

.newsletter-form-minimal input {
  padding-right: 50px;
}

.newsletter-submit-btn-minimal {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: right;
  color: var(--accent-gold);
  transition: var(--transition-normal);
}

.newsletter-submit-btn-minimal:hover {
  color: var(--accent-gold-light);
  transform: translateX(4px);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 30px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  transition: var(--transition-normal);
}

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

/* Lightbox overlay styling */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  background: rgba(3, 4, 6, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-normal);
}

.lightbox-close:hover {
  color: var(--accent-gold);
  transform: rotate(90deg);
}

/* Scroll reveal class defaults */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1), transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Overrides */
@media (max-width: 1100px) {
  .hero-title-holding {
    font-size: 3.8rem;
  }
  .split-div-section {
    grid-template-columns: 1fr;
  }
  .split-div-left {
    padding: 100px 40px;
  }
  .split-div-right {
    height: 480px;
  }
  .split-div-right::after {
    background: linear-gradient(to bottom, var(--bg-obsidian) 0%, transparent 15%);
  }
  .editorial-split {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .masonry-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-card:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .gallery-card:nth-child(2) { grid-column: span 2; }
  .gallery-card:nth-child(3) { grid-column: span 2; }
  .gallery-card:nth-child(4) { grid-column: span 2; }
  .gallery-card:nth-child(5) { grid-column: span 2; }
  .footer-main-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title-holding {
    font-size: 2.8rem;
  }
  .section-header-editorial h2 {
    font-size: 2.4rem;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-obsidian);
    flex-direction: column;
    padding: 60px 30px;
    gap: 36px;
    border-top: 1px solid var(--border-color);
    transition: var(--transition-normal);
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-link {
    font-size: 1.25rem;
    letter-spacing: 0.25em;
    padding: 12px 0;
    display: block;
    width: 100%;
    text-align: center;
  }
  .holding-contact-split {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .corp-form-box {
    padding: 40px 30px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .section {
    padding: 100px 0;
  }
  .infra-showcase {
    height: 480px;
  }
  .infra-content-box h3 {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .hero-title-holding {
    font-size: 2.2rem;
  }
  .footer-main-grid {
    grid-template-columns: 1fr;
  }
}

/* Hero Slider Styles */
.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 110%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 1;
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide.active {
  opacity: 1;
  z-index: 2;
}

.hero-video-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  filter: brightness(0.35) saturate(0.85);
}

.hero-slide-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: brightness(0.35) saturate(0.85);
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(5, 6, 8, 0.5);
  border: 1px solid rgba(197, 168, 128, 0.25);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  transition: var(--transition-normal);
  backdrop-filter: blur(5px);
}

.slider-arrow:hover {
  background: var(--gradient-gold);
  color: var(--bg-obsidian);
  border-color: transparent;
  box-shadow: 0 0 15px rgba(197, 168, 128, 0.3);
}

.slider-arrow.prev {
  left: 40px;
}

.slider-arrow.next {
  right: 40px;
}

.slider-dots {
  position: absolute;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  display: flex;
  gap: 12px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: var(--transition-normal);
}

.slider-dot.active {
  background: var(--accent-gold);
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(197, 168, 128, 0.5);
}

@media (max-width: 768px) {
  .slider-arrow {
    width: 44px;
    height: 44px;
  }
  .slider-arrow.prev {
    left: 15px;
  }
  .slider-arrow.next {
    right: 15px;
  }
}