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

:root {
  /* Color Palette */
  --primary-color: #0b1c3d;
  --secondary-color: #1a4b9c;
  --accent-color: #2563eb;
  --accent-light: #60a5fa;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --bg-main: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-dark: #0f172a;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Spacing */
  --max-width: 1280px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  
  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: 1px solid rgba(255, 255, 255, 0.3);
  --glass-blur: blur(12px);
  --glass-dark-bg: rgba(15, 23, 42, 0.7);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--secondary-color);
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-bg-light {
  background-color: var(--bg-secondary);
}

.section-bg-dark {
  background-color: var(--bg-dark);
  color: white;
}

.section-bg-dark h2, .section-bg-dark h3 {
  color: white;
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--bg-main);
  border: 2px solid var(--bg-main);
}

.btn-outline:hover {
  background: var(--bg-main);
  color: var(--primary-color);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: var(--spacing-md) 0;
  background: transparent;
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-sm);
}

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

.logo img {
  height: 120px;
  width: auto;
  transition: height var(--transition-normal);
}

.header.scrolled .logo img {
  height: 80px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--primary-color);
  font-size: 1rem;
}

.header:not(.scrolled) .nav-links a {
  color: var(--bg-main);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-fast);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.header:not(.scrolled) .mobile-menu-btn {
  color: white;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: crossfade 30s infinite;
}

.hero-bg img:nth-child(1) { animation-delay: 0s; }
.hero-bg img:nth-child(2) { animation-delay: 6s; }
.hero-bg img:nth-child(3) { animation-delay: 12s; }
.hero-bg img:nth-child(4) { animation-delay: 18s; }
.hero-bg img:nth-child(5) { animation-delay: 24s; }

@keyframes crossfade {
  0% { opacity: 0; transform: scale(1); }
  5% { opacity: 1; transform: scale(1.02); }
  20% { opacity: 1; transform: scale(1.05); }
  25% { opacity: 0; transform: scale(1.07); }
  100% { opacity: 0; transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(11, 28, 61, 0.4) 0%, rgba(11, 28, 61, 0.1) 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  max-width: 800px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s forwards 0.5s ease-out;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 5rem);
  color: white;
  margin-bottom: var(--spacing-md);
  letter-spacing: -1px;
}

.hero p {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
  opacity: 0.9;
}

.hero-glass-card {
  background: var(--glass-dark-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  padding: var(--spacing-xl);
  border-radius: 24px;
  display: inline-block;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-md);
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  padding: 1rem;
  border-radius: 16px;
}

/* Split Section (Image + Text) */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.split-section.reverse .split-content {
  order: -1;
}

.split-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.split-image img {
  transition: transform var(--transition-slow);
}

.split-image:hover img {
  transform: scale(1.05);
}

/* Locations Map Cards */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.location-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}

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

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

.location-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-lg);
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  color: white;
  transition: padding var(--transition-normal);
}

.location-card:hover .location-content {
  padding-bottom: 2.5rem;
}

.location-content h3 {
  color: white;
  margin-bottom: 0.5rem;
}

.location-content p {
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Client Marquee */
.marquee-container {
  display: flex;
  overflow: hidden;
  position: relative;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
  display: flex;
  align-items: center;
  justify-content: space-around;
  min-width: 100%;
  flex-shrink: 0;
  animation: scroll-left 40s linear infinite;
  gap: 4rem;
  padding: 1rem 2rem;
}

@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

.client-logo {
  height: 45px;
  max-width: 160px;
  object-fit: contain;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.client-logo:hover {
  transform: scale(1.05);
}

.client-text-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  white-space: nowrap;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.client-text-logo:hover {
  transform: scale(1.05);
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  max-width: 200px;
  margin-bottom: var(--spacing-md);
}

.footer h4 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoomBg {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

/* Responsive */
@media (max-width: 992px) {
  .split-section {
    grid-template-columns: 1fr;
  }
  .split-section.reverse .split-content {
    order: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-glass-card {
    padding: var(--spacing-lg);
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}