/* Design System Premium International */
:root {
  --primary: #0B47BF;        /* Bleu Royal International */
  --primary-dark: #062B79;
  --accent: #FF6B00;         /* Orange Vif Energique */
  --accent-hover: #E05D00;
  --dark: #0F172A;           /* Anthracite Profond */
  --gray-text: #475569;
  --gray-light: #F8FAFC;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(11, 71, 191, 0.06);
  --shadow-md: 0 12px 30px rgba(11, 71, 191, 0.08);
  --shadow-lg: 0 20px 40px rgba(11, 71, 191, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--dark);
  background-color: var(--gray-light);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
}

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

.sub-title {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 8px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 75px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 25px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark);
  transition: color 0.3s;
}

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

.btn-nav {
  background: var(--primary);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.btn-nav:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

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

/* Hero Section */
.hero {
  padding: 170px 0 100px 0;
  text-align: center;
  background: radial-gradient(circle at top, #EBF2FF 0%, #F8FAFC 70%);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11, 71, 191, 0.08);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 25px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  max-width: 900px;
  margin: 0 auto 20px auto;
  letter-spacing: -1px;
}

.highlight {
  color: var(--primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--gray-text);
  max-width: 720px;
  margin: 0 auto 35px auto;
  line-height: 1.6;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  box-shadow: var(--shadow-sm);
  border: 1px solid #E2E8F0;
}

.btn-secondary:hover {
  background: #F1F5F9;
  transform: translateY(-2px);
}

/* Stats Section */
.stats {
  padding: 30px 0;
  margin-top: -40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  background: var(--white);
  padding: 35px;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
}

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

.stat-card h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 5px;
}

.stat-card p {
  color: var(--gray-text);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Section À Propos */
.about {
  padding: 100px 0;
}

.about-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  color: var(--gray-text);
  line-height: 1.7;
  font-size: 1.05rem;
  margin-bottom: 25px;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--dark);
}

.about-list i {
  color: var(--accent);
  font-size: 1.1rem;
}

/* Services */
.services {
  padding: 90px 0;
  background: var(--white);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--gray-light);
  padding: 35px 25px;
  border-radius: 16px;
  border: 1px solid #E2E8F0;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  background: var(--white);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.icon-box {
  width: 60px;
  height: 60px;
  background: rgba(11, 71, 191, 0.1);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--gray-text);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Processus */
.process {
  padding: 90px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.process-step {
  background: var(--white);
  padding: 30px 20px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 15px;
}

.process-step h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--gray-text);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Contact CTA Block */
.contact {
  padding: 80px 0;
}

.contact-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  border-radius: 24px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 15px;
}

.contact-info p {
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 30px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.c-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.c-item i {
  color: var(--accent);
  font-size: 1.2rem;
}

.contact-action {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 35px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-action h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.contact-action p {
  color: #CBD5E1;
  font-size: 0.95rem;
  margin-bottom: 25px;
}

.btn-whatsapp-lg {
  background: #25D366;
  color: var(--white);
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 700;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.btn-whatsapp-lg:hover {
  background: #1DA851;
  transform: translateY(-2px);
}

/* Footer */
footer {
  background: var(--white);
  padding: 30px 0;
  border-top: 1px solid #E2E8F0;
  text-align: center;
}

.footer-content p {
  color: var(--gray-text);
  font-size: 0.9rem;
  margin-top: 10px;
}

/* Animations Scroll Reveal */
.fade-in, .slide-up {
  opacity: 0;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-up {
  transform: translateY(30px);
}

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

/* Responsive Smart Devices */
@media (max-width: 992px) {
  .contact-card {
    grid-template-columns: 1fr;
    padding: 35px;
  }
}

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

  .nav-links {
    position: absolute;
    top: 75px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 25px;
    gap: 20px;
    box-shadow: var(--shadow-md);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero {
    padding-top: 130px;
  }
}