/* ------------------------------------------------------------------
   Antilles Consultation S.A. — stylesheet
   Palette matched to logo: navy #1d2e5b, red #c8202c, white.
------------------------------------------------------------------ */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 17px;
  line-height: 1.6;
  color: #1f2330;
  background: #f7f7f9;
  -webkit-font-smoothing: antialiased;
}

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

a { color: #1d2e5b; }
a:hover { color: #142250; }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid #dfe2ea;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.brand {
  text-decoration: none;
  color: #1f2330;
  display: flex;
  align-items: center;
}
.brand-logo {
  height: 52px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  gap: 22px;
  align-items: center;
}

.site-nav a {
  color: #1f2330;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
}

.site-nav a:hover { color: #1d2e5b; }

.site-nav .lang {
  border: 1px solid #1d2e5b;
  color: #1d2e5b;
  padding: 4px 8px;
  font-size: 13px;
  letter-spacing: 0.5px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 36px;
  height: 36px;
  padding: 6px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #1d2e5b;
  margin: 4px 0;
}

/* ---------- Hero ---------- */
.hero {
  background: #1d2e5b;
  color: #f4f5f8;
  padding: 90px 0 80px;
  border-bottom: 6px solid #c8202c;
}

.hero h1 {
  font-size: 42px;
  margin: 0 0 16px;
  line-height: 1.15;
  font-weight: 700;
  color: #ffffff;
}

.hero .lead {
  font-size: 19px;
  max-width: 620px;
  margin: 0 0 28px;
  color: #dfe2ea;
}

.btn {
  display: inline-block;
  background: #c8202c;
  color: #ffffff;
  padding: 12px 22px;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  border: 0;
  cursor: pointer;
}
.btn:hover { background: #a31822; color: #ffffff; }

/* ---------- Sections ---------- */
.section {
  padding: 70px 0;
}
.section-alt {
  background: #ffffff;
  border-top: 1px solid #e8ecf2;
  border-bottom: 1px solid #e8ecf2;
}

.section h2 {
  font-size: 30px;
  margin: 0 0 24px;
  font-weight: 700;
  color: #1d2e5b;
  border-bottom: 2px solid #c8202c;
  padding-bottom: 10px;
  display: inline-block;
}

.section-intro {
  margin: -12px 0 28px;
  color: #555;
}

/* ---------- About ---------- */
.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

.facts {
  list-style: none;
  padding: 20px;
  margin: 0;
  background: #eef0f5;
  border-left: 4px solid #c8202c;
}
.facts li { padding: 6px 0; }
.facts strong {
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #1d2e5b;
}

/* ---------- Services ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #ffffff;
  padding: 22px 20px;
  border: 1px solid #e8ecf2;
}
.section-alt .card { background: #f7f7f9; }

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-family: Arial, Helvetica, sans-serif;
  color: #1d2e5b;
}
.card p { margin: 0; color: #444; font-size: 15px; }

/* ---------- Portfolio ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.gallery-item {
  display: block;
  overflow: hidden;
  background: #dfe2ea;
  aspect-ratio: 4 / 3;
  border: 1px solid #c8cdd6;
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.gallery-item:hover img { transform: scale(1.04); }

.gallery-item::after {
  content: attr(data-caption);
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(29, 46, 91, 0.85);
  color: #fff;
  font-size: 13px;
  font-family: Arial, Helvetica, sans-serif;
  padding: 6px 10px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.gallery-item:hover::after { opacity: 1; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.address-block h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-family: Arial, Helvetica, sans-serif;
  color: #1d2e5b;
}
.address-block address {
  font-style: normal;
  color: #333;
}
.tag {
  display: inline-block;
  font-size: 11px;
  background: #c8202c;
  color: #fff;
  padding: 2px 6px;
  margin-left: 6px;
  letter-spacing: 0.5px;
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  vertical-align: middle;
}

.contact-form {
  background: #eef0f5;
  padding: 24px;
  border-left: 4px solid #1d2e5b;
  max-width: 720px;
}
.contact-form label {
  display: block;
  margin-bottom: 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #1d2e5b;
}
.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  font-family: Georgia, serif;
  font-size: 16px;
  border: 1px solid #c8cdd6;
  background: #fff;
  color: #1f2330;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-form .form-row label { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: #1d2e5b;
  color: #c8cdd9;
  padding: 26px 0;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-footer a { color: #ffffff; }
.site-footer a:hover { color: #f4b4b9; }

/* ---------- Lightbox ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 38, 0.94);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.lightbox.open { display: flex; flex-direction: column; }
.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}
.lightbox-caption {
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  margin-top: 12px;
  text-align: center;
}
.lightbox-close {
  position: absolute;
  top: 16px; right: 20px;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 40px;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .brand-logo { height: 42px; }

  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid #dfe2ea;
    padding: 10px 0;
    gap: 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px 20px;
    border-bottom: 1px solid #eef0f5;
  }
  .site-nav .lang {
    margin: 10px 20px;
    align-self: flex-start;
  }

  .header-inner { position: relative; }

  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 28px; }
  .hero .lead { font-size: 17px; }

  .section { padding: 50px 0; }
  .section h2 { font-size: 24px; }

  .grid-3 { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .contact-grid { grid-template-columns: 1fr; gap: 22px; }
  .contact-form .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; }
}