:root {
  --primary: #0a2540;
  --primary-light: #15406b;
  --accent: #00d4aa;
  --accent-hover: #00b894;
  --light: #f8fafc;
  --dark: #0f172a;
  --gray: #64748b;
  --card-bg: #ffffff;
  --gradient: linear-gradient(135deg, #0a2540 0%, #15406b 50%, #00d4aa 100%);
  --shadow: 0 10px 40px rgba(10, 37, 64, 0.15);
  --radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: white;
  font-weight: 800;
  font-size: 1.8rem;
  letter-spacing: -1px;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: white;
  background: rgba(0, 212, 170, 0.15);
}

.nav-links a i {
  font-size: 0.8rem;
  transition: var(--transition);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 260px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  margin-top: 0.5rem;
  list-style: none;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  color: var(--dark);
  padding: 0.8rem 1rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.dropdown-menu a:hover {
  background: var(--light);
  color: var(--primary);
}

.dropdown-menu a i {
  color: var(--accent);
  font-size: 1rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 50%;
  top: -200px;
  right: -200px;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: white;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
}

.hero-text h1 span {
  color: var(--accent);
  position: relative;
}

.hero-text p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 2rem;
  width: 100%;
  max-width: 500px;
  animation: float 6s ease-in-out infinite;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.tech-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  color: white;
  transition: var(--transition);
}

.tech-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.tech-item i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.tech-item span {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Sections */
.section {
  padding: 6rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
  margin-bottom: 1rem;
  font-weight: 800;
}

.section-header h2 span {
  color: var(--accent);
}

.section-header p {
  color: var(--gray);
  font-size: 1.1rem;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.card-icon {
  width: 70px;
  height: 70px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover .card-icon {
  background: var(--accent);
  color: white;
  transform: rotate(5deg) scale(1.1);
}

.card h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.card-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.card-link:hover {
  gap: 0.8rem;
  color: var(--primary);
}

/* Stats */
.stats {
  background: var(--primary);
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4aa' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  color: white;
}

.stat-item h3 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Domaines */
.domaines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.domaine-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.domaine-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.domaine-card.active {
  border-color: var(--accent);
  background: rgba(0, 212, 170, 0.03);
}

.domaine-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.domaine-icon {
  width: 55px;
  height: 55px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(0, 212, 170, 0.1);
  color: var(--accent);
}

.domaine-card h3 {
  color: var(--primary);
  font-size: 1.2rem;
}

.domaine-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.domaine-card.active .domaine-details {
  max-height: 300px;
}

.domaine-details ul {
  list-style: none;
  padding-top: 1rem;
}

.domaine-details li {
  padding: 0.4rem 0;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.domaine-details li::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
}

/* Solutions */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.solution-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  transition: var(--transition);
}

.solution-item:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow);
}

.solution-number {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.4rem;
}

.solution-content h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.solution-content p {
  color: var(--gray);
}

/* Testimonials */
.testimonials {
  background: white;
}

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

.testimonial-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-size: 5rem;
  color: var(--accent);
  opacity: 0.3;
  position: absolute;
  top: 10px;
  left: 20px;
  font-family: Georgia, serif;
}

.testimonial-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 1.5rem;
  color: var(--dark);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.testimonial-author h4 {
  color: var(--primary);
  font-size: 1rem;
}

.testimonial-author span {
  color: var(--gray);
  font-size: 0.9rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  color: var(--primary);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.contact-info > p {
  color: var(--gray);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item i {
  width: 45px;
  height: 45px;
  background: rgba(0, 212, 170, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item h4 {
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--gray);
}

.contact-form {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
.footer {
  background: var(--dark);
  color: white;
  padding: 4rem 2rem 1.5rem;
}

.footer-grid {
  max-width: 1400px;
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin: 1rem 0;
  max-width: 300px;
}

.footer-brand .logo {
  font-size: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer-links h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Page Banner */
.page-banner {
  background: var(--gradient);
  padding: 10rem 2rem 5rem;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-banner h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-banner p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

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

.breadcrumb span {
  color: var(--accent);
}

/* Services */
.services-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.9rem 1.8rem;
  border: 2px solid #e2e8f0;
  background: white;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray);
  transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

/* Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--accent);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: 0 0 0 3px var(--accent);
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  max-width: 380px;
}

.timeline-content h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.timeline-content span {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-item {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .solution-number {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--primary);
    flex-direction: column;
    padding: 2rem;
    gap: 0;
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    align-items: stretch;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    padding: 1rem;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
    margin-top: 0;
    display: none;
    margin-left: 1rem;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    color: white;
  }

  .dropdown > a > i {
    transition: var(--transition);
  }

  .dropdown.active > a > i {
    transform: rotate(180deg);
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 20px;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2.2rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .domaine-card,
  .solution-item,
  .contact-form {
    padding: 1.5rem;
  }
}