/* ============================================
   DIVINAMA Group — Site Web Professionnel
   ============================================ */

:root {
  --primary: #1a365d;
  --primary-light: #2c5282;
  --primary-dark: #0f2744;
  --accent: #ed8936;
  --accent-hover: #dd6b20;
  --text: #1a202c;
  --text-muted: #4a5568;
  --bg: #ffffff;
  --bg-alt: #f7fafc;
  --bg-dark: #1a365d;
  --border: #e2e8f0;
  --success: #38a169;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(26, 54, 93, 0.08);
  --shadow-lg: 0 10px 40px rgba(26, 54, 93, 0.12);
  --transition: 0.25s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Montserrat', 'Inter', sans-serif;
}

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

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

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(237, 137, 54, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn-header {
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  font-size: 0.9rem;
}
.btn-header:hover {
  background: var(--primary-light);
}

.btn-full { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-img-white {
  height: 56px;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(26, 54, 93, 0.06);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f2744 0%, #1a365d 40%, #2c5282 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(237, 137, 54, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 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='0.03'%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");
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 80px 24px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(237, 137, 54, 0.2);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero-title span {
  color: var(--accent);
  font-weight: 400;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll a {
  display: flex;
  color: rgba(255,255,255,0.5);
  animation: bounce 2s infinite;
}
.hero-scroll a:hover { color: #fff; }

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

/* ---------- Section common ---------- */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Services ---------- */
.services {
  padding: 100px 0;
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26, 54, 93, 0.08);
}

.service-img {
  height: 180px;
  overflow: hidden;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-img img {
  transform: scale(1.06);
}

.service-body {
  padding: 24px 22px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 54, 93, 0.08);
  color: var(--primary);
  border-radius: 12px;
  margin-bottom: 14px;
}
.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 14px;
  line-height: 1.55;
}

.service-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 5px;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ---------- Engins Gallery ---------- */
.engins {
  padding: 100px 0;
  background: #fff;
}

.engins-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.engin-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 240px;
  box-shadow: var(--shadow);
}
.engin-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.engin-card:hover img {
  transform: scale(1.08);
}

.engin-card figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px 24px;
  background: linear-gradient(transparent, rgba(15, 39, 68, 0.92));
  color: #fff;
}
.engin-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.engin-card p {
  font-size: 0.9rem;
  opacity: 0.85;
}

.engins-cta {
  text-align: center;
  margin-top: 48px;
}
.engins-cta p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ---------- About ---------- */
.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content .section-label {
  display: block;
  margin-bottom: 12px;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.about-stats {
  display: flex;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  border: 1px solid var(--border);
}
.about-card:hover {
  background: #fff;
  box-shadow: var(--shadow);
}

.about-card-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.about-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- Contact ---------- */
.contact {
  padding: 100px 0;
  background: var(--bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--primary);
  border-radius: 12px;
  box-shadow: var(--shadow);
  flex-shrink: 0;
}
.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-item a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition);
}
.contact-item a:hover {
  color: var(--accent);
}

/* Form */
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--text);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding-top: 56px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: #fff;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}
.footer-contact a {
  font-weight: 600;
  color: #fff;
  transition: color var(--transition);
}
.footer-contact a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

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

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
  }
  .nav.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 16px;
  }

  .menu-toggle {
    display: flex;
  }

  .btn-header {
    display: none;
  }

  .hero-content {
    padding: 60px 24px;
  }

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

  .engins-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .engin-card {
    height: 180px;
  }

  .engin-card figcaption {
    padding: 16px 14px 12px;
  }

  .engin-card h3 {
    font-size: 0.95rem;
  }

  .engin-card p {
    font-size: 0.8rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-stats {
    gap: 24px;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

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

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  .about-stats {
    flex-wrap: wrap;
  }
}