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

:root {
  /* Palette */
  --color-primary: #1a3a5c;
  --color-primary-light: #2a5a8c;
  --color-accent: #c8553d;
  --color-accent-light: #e07858;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f5f2;
  --color-bg-dark: #0f2235;
  --color-text: #2d2d2d;
  --color-text-light: #6b7280;
  --color-text-inverse: #ffffff;
  --color-border: #e5e7eb;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 6rem 0;
  --container-width: 1200px;
  --container-padding: 0 1.5rem;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.7;
}

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

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition);
  position: relative;
}

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

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

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  background: var(--color-accent);
  color: var(--color-text-inverse) !important;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.nav-cta::after {
  display: none !important;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--color-primary) !important;
  font-size: 0.9rem;
}

.nav-phone svg {
  width: 16px;
  height: 16px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 34, 53, 0.85) 0%, rgba(26, 58, 92, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: 80px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--color-text-inverse);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 550px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 85, 61, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-inverse);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ===== SERVICES ===== */
.services {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.services-header {
  margin-bottom: 4rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2.5rem 2rem;
  border-radius: 12px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: transparent;
}

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

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
  display: block;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== ABOUT ===== */
.apropos {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

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

.apropos-image {
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.apropos-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 12px;
}

.apropos-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
}

.apropos-text p {
  margin-bottom: 1rem;
}

.apropos-text strong {
  color: var(--color-primary);
}

.chiffres {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.chiffre {
  text-align: center;
}

.chiffre-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.chiffre-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.3rem;
}

/* ===== EQUIPE ===== */
.equipe {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.equipe-header {
  margin-bottom: 4rem;
}

.equipe-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.membre-card {
  text-align: center;
  transition: var(--transition);
}

.membre-card:hover {
  transform: translateY(-4px);
}

.membre-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.2rem;
  border: 4px solid var(--color-bg-alt);
  transition: var(--transition);
}

.membre-card:hover .membre-photo {
  border-color: var(--color-accent);
}

.membre-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.membre-role {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.membre-tel {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: var(--transition);
}

.membre-tel:hover {
  color: var(--color-accent-light);
}

/* ===== CONTACT ===== */
.contact {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.contact-header {
  margin-bottom: 4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

.contact-item p,
.contact-item a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

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

.contact-map {
  border-radius: 12px;
  overflow: hidden;
  min-height: 350px;
}

.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border: 0;
  border-radius: 12px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-inverse);
}

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

.footer-copyright {
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-text-inverse);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .equipe-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
  }

  /* Mobile Nav */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition-slow);
    z-index: 200;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .menu-toggle {
    display: block;
    z-index: 300;
  }

  .menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 150;
  }

  .menu-overlay.open {
    display: block;
  }

  /* Hero */
  .hero {
    min-height: 90vh;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .apropos-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .apropos-image img {
    height: 300px;
  }

  /* Team */
  .equipe-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .membre-photo {
    width: 140px;
    height: 140px;
  }

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

  /* Footer */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .equipe-grid {
    grid-template-columns: 1fr;
  }

  .chiffres {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}