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

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #4a5568;
  --color-accent: #3b82f6;
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: #334155;
  
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 64px;
  --spacing-2xl: 96px;
  
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.6);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-muted);
}

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

a:hover {
  color: #60a5fa;
}

ul, ol {
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-muted);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.fade-in-delay-1 {
  animation-delay: 0.2s;
}

.fade-in-delay-2 {
  animation-delay: 0.4s;
}

.fade-in-delay-3 {
  animation-delay: 0.6s;
}

.slide-in-right {
  animation: slideInRight 0.8s ease forwards;
  opacity: 0;
}

/* Utility Classes */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.eyebrow {
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.list-check {
  list-style: none;
  padding-left: 0;
}

.list-check li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.list-check li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

/* Header & Navigation */
.header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  padding: var(--spacing-sm) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.navbar {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links:hover {
  color: var(--color-accent);
}

.nav-links.active {
  color: var(--color-text);
  font-weight: 600;
}

.nav-links.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

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

/* Hero Section */
.hero {
  padding: 120px 0 var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-background) 0%, rgba(30, 41, 59, 0.9) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
  position: relative;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text) 0%, rgba(241, 245, 249, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.frame {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.badge-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* Buttons */
.cta-button, .button {
  display: inline-block;
  text-decoration: none;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-accent);
  color: white;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover, .button:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button.secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button.secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Sections */
section {
  padding: var(--spacing-2xl) 0;
}

.section-watermark {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  opacity: 0.05;
  z-index: -1;
  object-fit: cover;
  filter: grayscale(100%);
}

.presentation {
  background: var(--color-surface);
}

.services {
  background: var(--color-background);
}

.values {
  background: var(--color-surface);
}

.team {
  background: var(--color-background);
}

.locations {
  background: var(--color-surface);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.3);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-accent), #60a5fa);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.values-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.value-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), #60a5fa);
  transform: scaleX(0);
  transition: var(--transition);
}

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

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Team */
.team-members {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.team-member {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.team-member:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.team-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto var(--spacing-md);
  border: 3px solid var(--color-border);
  transition: var(--transition);
}

.team-member:hover .team-photo {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

/* Locations */
.location-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.location-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.location-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.location-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Stats */
.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.4rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-background);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table th {
  background: var(--color-primary);
  color: var(--color-text);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
}

.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.data-table tr:hover {
  background: rgba(59, 130, 246, 0.05);
}

.data-table tr:last-child td {
  border-bottom: none;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section a {
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-xs);
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .navbar {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-md);
    display: none;
  }
  
  .navbar.active {
    display: flex;
  }
  
  .hero {
    padding: 100px 0 var(--spacing-xl);
    text-align: center;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .services-grid,
  .values-showcase,
  .team-members,
  .location-cards {
    grid-template-columns: 1fr;
  }
  
  .cta-row {
    flex-direction: column;
    align-items: center;
  }
  
  .data-table {
    font-size: 0.875rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .card,
  .service-card,
  .team-member,
  .location-card {
    padding: var(--spacing-md);
  }
}

@media (min-width: 1440px) {
  .hero h1 {
    font-size: 4rem;
  }
  
  .services-grid,
  .values-showcase {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .team-members,
  .location-cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Watermark Background */
.watermark-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  z-index: -2;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y="50" font-size="12" fill="%23ffffff" opacity="0.1">PATRIMOINE</text></svg>');
  background-repeat: repeat;
  background-size: 200px 200px;
  pointer-events: none;
}