/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
  /* Color Palette (Refined Slate Dark Mode with Crimson Accents) */
  --bg-dark: hsl(210, 11%, 10%);
  --bg-darker: hsl(210, 11%, 6%);
  --bg-light: hsl(0, 0%, 98%);
  
  /* Glassmorphism values */
  --bg-glass: rgba(25, 30, 36, 0.65);
  --bg-glass-hover: rgba(40, 48, 58, 0.8);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-light: rgba(255, 255, 255, 0.15);
  --shadow-glass: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-inset-glass: inset 0 1px 1px rgba(255, 255, 255, 0.1);

  /* Solid Theme colors */
  --accent-gold: hsl(38, 55%, 55%); /* Premium architectural gold for Design Heaven */
  --accent-gold-hover: hsl(38, 55%, 45%);
  --accent-bronze: hsl(36, 30%, 55%); /* Warm bronze for metallic highlights */
  --text-primary: hsl(210, 15%, 95%);
  --text-secondary: hsl(210, 10%, 75%);
  --text-muted: hsl(210, 8%, 55%);
  
  /* Fonts */
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout & Grid constants */
  --container-max: 1200px;
  --header-height: 80px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 32px;
  
  /* Smooth Transitions */
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & RESET PLUGINS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font: inherit;
  background: none;
  border: none;
  color: inherit;
}

button {
  cursor: pointer;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--border-glass-light);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--bg-darker);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-bronze);
}

/* ==========================================================================
   UTILITY CLASSES & REVEAL SYSTEM
   ========================================================================== */
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 80px 24px;
}

.text-center {
  text-align: center;
}

.highlight {
  color: var(--accent-gold);
}

.section-header {
  margin-bottom: 50px;
  max-width: 650px;
}
.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.15em;
  font-size: 0.85rem;
  color: var(--accent-bronze);
  display: block;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Glassmorphism Card Style */
.glassmorphism {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass), var(--shadow-inset-glass);
  border-radius: var(--border-radius-md);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), background-color var(--transition-smooth);
}

/* Reveal on Scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}
.reveal-active {
  opacity: 1;
  transform: translateY(0);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent-gold);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}
.btn-primary:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass-light);
}
.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}
.btn-secondary:active {
  transform: translateY(0);
}

/* ==========================================================================
   HEADER SECTION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-fast), backdrop-filter var(--transition-fast), border-color var(--transition-fast);
  border-bottom: 1px solid transparent;
}

/* Scrolling Header State */
.site-header.scrolled {
  background-color: rgba(16, 20, 24, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
}

.header-container {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 90px;
  height: 36px;
}
.logo-icon-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}
.logo-text {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-subtext {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-bronze);
  margin-top: 2px;
}

/* Navigation */
.nav-menu {
  display: block;
}
.nav-list {
  display: flex;
  gap: 40px;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-fast);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  z-index: 1002;
}
.menu-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hamburger animation */
.menu-toggle[aria-expanded="true"] .bar-1 {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .bar-2 {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .bar-3 {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--bg-darker);
  border-left: 1px solid var(--border-glass);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  z-index: 999;
  padding: 120px 40px 40px;
  transition: right var(--transition-smooth);
}
.mobile-drawer.open {
  right: 0;
}
.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.drawer-link {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--text-secondary);
}
.drawer-link:hover {
  color: var(--accent-gold);
}
.drawer-btn {
  width: 100%;
  margin-top: 20px;
}

/* ==========================================================================
   HERO SLIDER
   ========================================================================== */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.slider-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  display: flex;
  align-items: center;
  z-index: 1;
}

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

.slide-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 10s ease;
}

.slide.active .slide-img {
  transform: scale(1);
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(16, 20, 24, 0.9) 20%, rgba(16, 20, 24, 0.5) 60%, rgba(16, 20, 24, 0.2) 100%);
  z-index: 2;
}

.slide-content {
  position: relative;
  z-index: 3;
  max-width: 650px;
  margin-left: max(24px, calc((100% - var(--container-max)) / 2 + 24px));
  padding-right: 24px;
}

.slide-tag {
  color: var(--accent-bronze);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  transition-delay: 0.2s;
}

.slide-title {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: white;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  transition-delay: 0.4s;
}

.slide-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  transition-delay: 0.6s;
}

.slide-actions {
  display: flex;
  gap: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  transition-delay: 0.8s;
}

/* Active animations for text elements */
.slide.active .slide-tag,
.slide.active .slide-title,
.slide.active .slide-description,
.slide.active .slide-actions {
  opacity: 1;
  transform: translateY(0);
}

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: 50px;
  right: max(24px, calc((100% - var(--container-max)) / 2 + 24px));
  display: flex;
  gap: 12px;
  z-index: 10;
}
.slider-arrow {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(8px);
}
.slider-arrow:hover {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  transform: scale(1.05);
}
.slider-arrow:active {
  transform: scale(0.95);
}

/* Progress & Indicators */
.slider-indicators {
  position: absolute;
  bottom: 60px;
  left: max(24px, calc((100% - var(--container-max)) / 2 + 24px));
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 10;
}
.slider-dots {
  display: flex;
  gap: 12px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.dot.active {
  background: var(--accent-gold);
  transform: scale(1.3);
}

.slider-progress-track {
  width: 180px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  border-radius: 1px;
}
.slider-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--accent-gold);
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-collage {
  position: relative;
}
.main-about-img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
}
.about-experience-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.badge-number {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-gold);
}
.badge-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-top: 4px;
}

.about-lead {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* About Tabs system */
.about-tabs-container {
  margin-top: 30px;
  border-top: 1px solid var(--border-glass);
  padding-top: 30px;
}
.tab-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}
.tab-btn {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 8px;
  position: relative;
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-fast);
}
.tab-btn.active {
  color: var(--text-primary);
}
.tab-btn.active::after {
  width: 100%;
}

.tab-contents {
  position: relative;
}
.tab-content {
  display: none;
  gap: 20px;
  align-items: flex-start;
  animation: fadeIn 0.4s ease forwards;
}
.tab-content.active {
  display: flex;
}
.tab-icon-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-gold);
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tab-info-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   WHY CHOOSE US SECTION
   ========================================================================== */
.why-section {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.why-card {
  padding: 40px 30px;
}
.why-card:hover {
  transform: translateY(-10px);
  border-color: rgba(16, 185, 129, 0.3);
  background-color: var(--bg-glass-hover);
}
.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--accent-bronze);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  border: 1px solid var(--border-glass);
}
.why-card:hover .card-icon {
  background-color: var(--accent-gold);
  color: white;
  border-color: var(--accent-gold);
}
.card-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ==========================================================================
   WHAT WE DO (SERVICES) SECTION
   ========================================================================== */
.services-interactive-container {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

/* Services Tabs */
.services-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 6px;
  background-color: rgba(16, 20, 24, 0.5);
  backdrop-filter: blur(8px);
}
.service-tab-btn {
  padding: 18px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.service-tab-btn:hover {
  color: var(--text-primary);
}
.service-tab-btn.active {
  background-color: var(--accent-gold);
  color: white;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}

/* Panels */
.services-panels-wrapper {
  position: relative;
}
.service-panel {
  display: none;
  animation: panelFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.service-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-grid {
  display: grid;
  grid-template-columns: 4.5fr 5.5fr;
  gap: 60px;
  align-items: center;
}

.panel-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.panel-num {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1;
  margin-bottom: -10px;
}
.panel-content h3 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.panel-content p {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 1.05rem;
}
.panel-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 40px;
  border-left: 2px solid var(--accent-bronze);
  padding-left: 20px;
}
.panel-features li {
  font-size: 0.95rem;
  color: var(--text-primary);
  position: relative;
}

.panel-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  border: 1px solid var(--border-glass);
}
.panel-image-inner {
  overflow: hidden;
  position: relative;
}
.service-panel-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 1.2s var(--transition-smooth);
}
.panel-image:hover .service-panel-img {
  transform: scale(1.06);
}

/* ==========================================================================
   WORKING PROCESS SECTION
   ========================================================================== */
.process-section {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-glass);
}
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  margin-top: 60px;
}
/* Horizontal line behind process items on desktop */
.process-timeline::before {
  content: '';
  position: absolute;
  top: 35px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(16, 185, 129, 0.4) 15%, rgba(16, 185, 129, 0.4) 85%, transparent 100%);
  z-index: 1;
}

.timeline-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-number {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--bg-darker);
  border: 2px solid var(--accent-gold);
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
  margin-bottom: 30px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.timeline-item:hover .timeline-number {
  background-color: var(--accent-gold);
  transform: scale(1.1);
}

.timeline-content {
  padding: 30px 24px;
  text-align: center;
  width: 100%;
}
.timeline-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ==========================================================================
   CTA BANNER SECTION
   ========================================================================== */
.cta-banner {
  padding: 40px 24px;
}
.cta-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 80px 40px;
  text-align: center;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(25, 30, 36, 0.7) 100%);
  border-color: rgba(16, 185, 129, 0.2);
}
.cta-content {
  max-width: 700px;
  margin: 0 auto;
}
.cta-content h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.25;
}
.cta-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-glass);
  padding: 80px 24px 30px;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto 60px;
  display: grid;
  grid-template-columns: 2.5fr 1.5fr 2fr 2fr;
  gap: 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.brand-bio {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.site-footer h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-bronze);
  margin-bottom: 25px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-contacts p, .footer-branches p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 15px;
  line-height: 1.6;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}
.social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.social-icons a:hover {
  border-color: var(--accent-gold);
  background-color: var(--accent-gold);
  color: white;
  transform: translateY(-3px);
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: 1px solid var(--border-glass);
  padding-top: 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   MODAL DIALOG SECTION (HTML5 <dialog>)
   ========================================================================== */
.booking-dialog {
  margin: auto;
  background: transparent;
  border: none;
  max-width: 600px;
  width: 90%;
  padding: 0;
  border-radius: var(--border-radius-md);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8);
  opacity: 0;
  transform: scale(0.9) translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), overlay 0.5s allow-discrete, display 0.5s allow-discrete;
}

/* Dialog Open State */
.booking-dialog[open] {
  opacity: 1;
  transform: scale(1) translateY(0);
}

@starting-style {
  .booking-dialog[open] {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
}

/* Dialog Backdrop overlay */
.booking-dialog::backdrop {
  background-color: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), overlay 0.5s allow-discrete, display 0.5s allow-discrete;
}
.booking-dialog[open]::backdrop {
  opacity: 1;
}

@starting-style {
  .booking-dialog[open]::backdrop {
    opacity: 0;
  }
}

.dialog-content {
  padding: 50px 40px;
  position: relative;
}
/* Subtly brighter border for the glass inside the modal */
.dialog-content.glassmorphism {
  background: rgba(20, 25, 31, 0.95);
  border: 1px solid var(--border-glass-light);
}

.dialog-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.dialog-close:hover {
  color: var(--accent-gold);
  transform: rotate(90deg);
}

.dialog-header {
  margin-bottom: 30px;
}
.dialog-header h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.dialog-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.booking-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
/* Make name & message full width */
.form-group:nth-child(1), .form-group:nth-child(2), .form-group:nth-child(3) {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-bronze);
}
.form-group input, .form-group select {
  width: 100%;
  padding: 14px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: white;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent-gold);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Custom styling for select option colors inside dark background */
.form-group select option {
  background-color: var(--bg-darker);
  color: white;
}

.form-submit-btn {
  grid-column: span 2;
  width: 100%;
  margin-top: 15px;
  padding: 16px;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================= */

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .about-image-collage {
    max-width: 500px;
    margin: 0 auto;
  }
  .about-experience-badge {
    bottom: -20px;
    right: -20px;
    padding: 20px;
  }
  
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-tabs {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }
  .service-tab-btn {
    padding: 14px;
    font-size: 0.85rem;
  }
  .panel-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .panel-image {
    order: -1;
  }
  
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .process-timeline::before {
    display: none; /* Hide horizontal connector on grid wraps */
  }
  
  .footer-container {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .footer-branches {
    grid-column: span 3;
    border-top: 1px solid var(--border-glass);
    padding-top: 30px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 70px;
  }
  :root {
    --header-height: 70px;
  }
  
  /* Show menu burger toggle */
  .menu-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
  }
  .btn-cta {
    display: none; /* Hide top CTA button, let drawer handle it */
  }
  
  .slide-content {
    margin-left: 24px;
  }
  .slider-controls {
    bottom: 30px;
  }
  .slider-indicators {
    bottom: 40px;
  }
  .slider-progress-track {
    width: 120px;
  }
  
  .services-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-tab-btn:last-child {
    grid-column: span 2;
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .timeline-item {
    align-items: flex-start;
  }
  .timeline-number {
    margin-bottom: 15px;
  }
  .timeline-content {
    text-align: left;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-branches {
    grid-column: span 1;
  }
  
  .booking-form {
    grid-template-columns: 1fr;
  }
  .form-group:nth-child(1), .form-group:nth-child(2), .form-group:nth-child(3) {
    grid-column: span 1;
  }
  .form-submit-btn {
    grid-column: span 1;
  }
  .dialog-content {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  /* Logo and Header scaling on mobile */
  .logo-icon {
    width: 75px;
    height: 30px;
  }
  .logo-icon-img {
    height: 32px;
  }
  .logo-text {
    font-size: 1.25rem;
  }
  .logo-subtext {
    font-size: 0.55rem;
  }
  
  /* Hero Slider adjustments on mobile */
  .slide-title, .slide.active .slide-title {
    font-size: 1.8rem;
    line-height: 1.25;
    margin-bottom: 16px;
  }
  .slide-description, .slide.active .slide-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .slide-tag, .slide.active .slide-tag {
    font-size: 0.8rem;
    margin-bottom: 12px;
  }
  .slider-arrow {
    width: 40px;
    height: 40px;
  }
  
  /* Project Filter buttons on mobile */
  .projects-filters {
    gap: 8px;
    margin-bottom: 30px;
    flex-wrap: wrap;
  }
  .project-filter-btn {
    padding: 8px 16px;
    font-size: 0.75rem;
  }

  .services-tabs {
    grid-template-columns: 1fr;
  }
  .service-tab-btn:last-child {
    grid-column: span 1;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .slide-actions {
    flex-direction: column;
    gap: 12px;
  }
  .slide-actions .btn {
    width: 100%;
  }
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-section {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-glass);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.project-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

/* Apply column span to card 1 and card 6 on desktop screen sizes */
@media (min-width: 1025px) {
  .project-card:nth-child(1),
  .project-card:nth-child(6) {
    grid-column: span 2;
    aspect-ratio: 8/3; /* Adjust aspect ratio for double width */
  }
}

.project-image-wrapper {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.project-card:hover .project-img {
  transform: scale(1.08);
}

/* Overlay styling (initially hidden, slide up and fade in on hover) */
.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(16, 20, 24, 0.2) 0%, rgba(16, 20, 24, 0.95) 90%);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  opacity: 0;
  transition: opacity var(--transition-fast) ease-in-out;
  z-index: 2;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-category {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  transform: translateY(15px);
  transition: transform var(--transition-smooth) 0.05s;
}

.project-card:hover .project-category {
  transform: translateY(0);
}

.project-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: white;
  margin-bottom: 8px;
  transform: translateY(20px);
  transition: transform var(--transition-smooth) 0.1s;
}

.project-card:hover .project-title {
  transform: translateY(0);
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 15px;
  transform: translateY(25px);
  transition: transform var(--transition-smooth) 0.15s;
  max-width: 90%;
}

.project-card:hover .project-desc {
  transform: translateY(0);
}

.btn-expand-view {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--accent-gold);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: opacity var(--transition-smooth) 0.2s, transform var(--transition-smooth) 0.2s, background-color var(--transition-fast);
}

.project-card:hover .btn-expand-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.btn-expand-view:hover {
  background-color: var(--accent-gold-hover);
  box-shadow: 0 4px 12px rgba(212, 163, 89, 0.4);
}

/* ==========================================================================
   LIGHTBOX DIALOG / GALLERY
   ========================================================================== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 12, 16, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 30px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2010;
}

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

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 2010;
}

.lightbox-arrow:hover {
  color: white;
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  transform: translateY(-50%) scale(1.05);
}

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

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

.lightbox-content {
  width: 90%;
  max-width: 1000px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  z-index: 2005;
}

.lightbox-image-wrapper {
  width: 100%;
  max-height: 65vh;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.lightbox-img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
  display: block;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.lightbox-img.loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox-info {
  width: 100%;
  padding: 25px 35px;
  position: relative;
  text-align: left;
}

.lightbox-info.glassmorphism {
  background: rgba(20, 25, 31, 0.85);
  border-color: var(--border-glass-light);
}

.lightbox-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
}

.lightbox-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  color: white;
  margin-bottom: 8px;
}

.lightbox-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 85%;
}

.lightbox-counter {
  position: absolute;
  top: 25px;
  right: 35px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

/* Responsiveness for Lightbox and Projects */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .lightbox-arrow {
    width: 50px;
    height: 50px;
    top: auto;
    bottom: 20px;
    transform: none;
  }
  .lightbox-arrow:hover {
    transform: scale(1.05);
  }
  .lightbox-arrow.prev {
    left: 20px;
  }
  .lightbox-arrow.next {
    right: 20px;
  }
  .lightbox-content {
    max-height: 85vh;
    gap: 15px;
  }
  .lightbox-image-wrapper {
    max-height: 50vh;
  }
  .lightbox-img {
    max-height: 50vh;
  }
  .lightbox-info {
    padding: 20px;
  }
  .lightbox-counter {
    top: 20px;
    right: 20px;
  }
}

/* ==========================================================================
   PROJECTS FILTER TABS
   ========================================================================== */
.projects-filters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}
.project-filter-btn {
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-glass);
  background-color: rgba(16, 20, 24, 0.4);
  transition: all var(--transition-fast);
}
.project-filter-btn:hover {
  color: white;
  border-color: var(--border-glass-light);
}
.project-filter-btn.active {
  background-color: var(--accent-gold);
  color: white;
  border-color: var(--accent-gold);
  box-shadow: 0 8px 20px rgba(212, 163, 89, 0.25);
}

/* Hide card utility class for filtering */
.project-card.hidden {
  display: none;
}

/* ==========================================================================
   SECTORS WE SERVE SECTION REDESIGN
   ========================================================================== */
.industries-section {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-glass);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.industry-item {
  padding: 50px 35px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.industry-item:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 163, 89, 0.35);
  background-color: var(--bg-glass-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(212, 163, 89, 0.15);
}

.industry-icon {
  width: 65px;
  height: 65px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  transition: all var(--transition-fast);
}

.industry-item:hover .industry-icon {
  background-color: var(--accent-gold);
  color: white;
  border-color: var(--accent-gold);
  box-shadow: 0 8px 25px rgba(212, 163, 89, 0.4);
  transform: scale(1.05);
}

.industry-item h4 {
  font-family: var(--font-title);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: white;
  transition: color var(--transition-fast);
}

.industry-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Responsiveness for sectors section */
@media (max-width: 1024px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .industries-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .industry-item {
    padding: 40px 25px;
  }
}