/* ==========================================================================
   AMERICAN GLOBAL AIRE S.A.S. - Luxury Dark Mode Design System
   Modern, Mobile-First, Responsive & High-Performance CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Luxury Dark */
  --bg-dark: #07090e;
  --bg-surface: #0e131f;
  --bg-card: rgba(18, 26, 43, 0.7);
  --bg-card-hover: rgba(28, 39, 64, 0.85);
  
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --accent-gold: #d4af37;
  --accent-gold-gradient: linear-gradient(135deg, #f39c12 0%, #d4af37 100%);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 242, 254, 0.25);
  
  /* Glassmorphism */
  --glass-bg: rgba(14, 19, 31, 0.75);
  --glass-blur: blur(16px);
  --glass-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Selection */
::selection {
  background: var(--accent-cyan);
  color: #000;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

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

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
  background: rgba(7, 9, 14, 0.4);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
}

.header.scrolled {
  padding: 0.6rem 0;
  background: rgba(7, 9, 14, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  border-bottom-color: var(--border-accent);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.3));
  transition: transform var(--transition-fast);
}

.logo-link:hover .logo-img {
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #040814;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.55);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background: rgba(10, 14, 24, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1100;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-normal);
  border-left: 1px solid var(--border-subtle);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.mobile-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mobile-link {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-link:hover, .mobile-link.active {
  color: var(--accent-cyan);
  padding-left: 0.5rem;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 70% 30%, rgba(0, 242, 254, 0.12) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(79, 172, 254, 0.08) 0%, transparent 50%),
              var(--bg-dark);
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.25) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: 0;
  left: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  filter: blur(70px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: 30px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-main);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.2rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  height: 480px;
}

.hero-main-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 90%;
  height: 380px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-slow);
}

.hero-main-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85) contrast(1.1);
  transition: scale var(--transition-slow);
}

.hero-main-card:hover img {
  scale: 1.05;
}

.hero-sub-card {
  position: absolute;
  bottom: 20px;
  right: 0;
  width: 65%;
  background: rgba(14, 19, 31, 0.88);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-sub-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #040814;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.hero-sub-text h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.hero-sub-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section Headers & Cards
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-bg-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Cards Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card-luxury {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card-luxury::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card-luxury:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 242, 254, 0.12);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  transition: transform var(--transition-normal);
}

.card-luxury:hover .card-icon {
  transform: scale(1.1) rotate(4deg);
  background: var(--accent-gradient);
  color: #040814;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Project Showcase & Portfolio
   ========================================================================== */
.project-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-gradient);
  color: #040814;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

.project-img-wrapper {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

.project-card:hover .project-img {
  scale: 1.1;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 9, 14, 0.95) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  opacity: 0.9;
  transition: opacity var(--transition-normal);
}

.project-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.project-info {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.project-loc {
  font-size: 0.85rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature-pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

/* Lightbox Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: 24px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 10;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
}

.modal-img-container {
  border-radius: 16px;
  overflow: hidden;
  height: 350px;
}

.modal-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details h3 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.modal-details p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Timeline (Maintenance & Services)
   ========================================================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-blue), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  margin-bottom: 3rem;
  position: relative;
  width: 50%;
  padding: 0 2.5rem;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -10px;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  backdrop-filter: blur(12px);
}

/* ==========================================================================
   Contact & Footer
   ========================================================================== */
.footer {
  background-color: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 30px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 1.2rem 0;
}

.footer-title {
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
  color: var(--text-main);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 0.2rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Floating WhatsApp CTA */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(8deg);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
}

/* ==========================================================================
   Responsive Breakpoints (Mobile First)
   ========================================================================== */
@media (max-width: 992px) {
  .nav-menu, .nav-actions {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    order: -1;
  }
  .hero-card-stack {
    height: 360px;
  }
  .hero-main-card {
    width: 100%;
    height: 300px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 3rem;
    padding-right: 0;
    text-align: left !important;
  }
  .timeline-item:nth-child(even) {
    left: 0;
  }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 10px;
    right: auto;
  }
  .modal-body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 120px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Booking App Style Project Details & Gallery (Airbnb/Booking layout)
   ========================================================================== */
.modal-content {
  max-width: 1000px;
  padding: 2.5rem;
}

.modal-header-booking {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.modal-header-booking h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.modal-header-booking .modal-location {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.booking-gallery {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 12px;
  margin-bottom: 2rem;
  border-radius: 16px;
  overflow: hidden;
  height: 380px;
}

.booking-gallery-left {
  grid-column: 1;
  height: 100%;
}

.booking-gallery-right {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 100%;
}

.bg-item {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
  background: var(--bg-surface);
}

.bg-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.bg-item:hover img {
  transform: scale(1.04);
}

/* Letrero ver todas las fotos */
.photos-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 10, 0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  border: 1px solid var(--border-accent);
  text-align: center;
  padding: 0.5rem;
}

.photos-overlay i {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.photos-overlay:hover {
  background: rgba(0, 242, 254, 0.25);
  color: #fff;
}

.modal-details-booking {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
}

.modal-main-info h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  border-left: 3px solid var(--accent-cyan);
  padding-left: 0.75rem;
}

.modal-main-info p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.modal-sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Mobile responsive swipe rules */
@media (max-width: 768px) {
  .modal-content {
    padding: 1.5rem;
  }
  
  .booking-gallery {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    height: 280px;
    gap: 8px;
    padding-bottom: 10px;
    border-radius: 12px;
  }
  
  /* Habilitar scroll horizontal nativo y suave */
  .booking-gallery::-webkit-scrollbar {
    height: 6px;
  }
  .booking-gallery::-webkit-scrollbar-thumb {
    background: var(--border-accent);
    border-radius: 3px;
  }
  
  .booking-gallery-left {
    flex: 0 0 85%;
    scroll-snap-align: start;
    height: 100%;
  }

  .booking-gallery-right {
    display: contents; /* Deshacer el grid para permitir flex children */
  }

  .booking-gallery-right .bg-item {
    flex: 0 0 85%;
    scroll-snap-align: start;
    height: 100%;
  }
  
  .modal-details-booking {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   Infinite Brand Logo Slider (Proveedores / Marcas)
   ========================================================================== */
.logo-slider-container {
  overflow: hidden;
  padding: 1.8rem 0;
  position: relative;
  width: 100%;
  background: #f8fafc; /* Color off-white elegante */
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.05);
}

.logo-slider-container::before, .logo-slider-container::after {
  content: '';
  height: 100%;
  position: absolute;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.logo-slider-container::before {
  left: 0;
  top: 0;
  background: linear-gradient(to right, #f8fafc 0%, transparent 100%);
}

.logo-slider-container::after {
  right: 0;
  top: 0;
  background: linear-gradient(to left, #f8fafc 0%, transparent 100%);
}

.logo-slider-track {
  display: flex;
  width: calc(200px * 18);
  animation: scrollLogos 25s linear infinite;
  align-items: center;
}

.slide-logo {
  width: 200px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  flex-shrink: 0;
}

.slide-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(20%);
  opacity: 0.8;
  transition: all var(--transition-fast);
}

.slide-logo:hover img {
  filter: grayscale(0%) brightness(1) contrast(1);
  opacity: 0.95;
}

@keyframes scrollLogos {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-200px * 9));
  }
}

@media (max-width: 768px) {
  .slide-logo {
    width: 150px;
    padding: 0 15px;
  }
  .logo-slider-track {
    width: calc(150px * 18);
  }
  @keyframes scrollLogos {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-150px * 9));
    }
  }
}

/* ==========================================================================
   Infinite Maintenance Image Slider
   ========================================================================== */
.maint-slider-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 1.5rem 0;
}

.maint-slider-track {
  display: flex;
  gap: 20px;
  animation: scrollMaint 32s linear infinite;
}

.maint-slide {
  width: 360px;
  height: 240px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-accent);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  transition: transform var(--transition-normal);
}

.maint-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.maint-slide:hover {
  transform: translateY(-4px);
}

.maint-slide:hover img {
  transform: scale(1.04);
}

@keyframes scrollMaint {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-380px * 6));
  }
}

@media (max-width: 768px) {
  .maint-slide {
    width: 280px;
    height: 180px;
  }
  @keyframes scrollMaint {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-300px * 6));
    }
  }
}