:root {
  --navy: #0f2540;
  --navy-dark: #081a2e;
  --accent: #d68a2c;
  --accent-dark: #b8721e;
  --text: #1e2733;
  --text-light: #5a6b7d;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --border: #e4e9ef;
  --radius: 10px;
  --max-width: 1140px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--accent); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  color: var(--navy);
}
.brand span { color: var(--accent); }

.main-nav {
  display: flex;
  gap: 28px;
}
.main-nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--accent); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  border-radius: 6px;
  padding: 6px 12px;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--navy);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy);
  display: block;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 100px 0 90px;
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 20px;
  font-weight: 800;
  line-height: 1.2;
}
.hero-sub {
  font-size: 1.15rem;
  color: #cbd7e5;
  margin: 0 0 36px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Sections */
.section { padding: 80px 0; }
.section.about { background: var(--bg); }
.section.companies { background: var(--bg-alt); }
.section.partners { background: var(--bg); }
.section.contact { background: var(--bg-alt); }

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section h2 {
  font-size: 2rem;
  margin: 0 0 20px;
  color: var(--navy);
}
.section-intro {
  max-width: 680px;
  color: var(--text-light);
  margin-bottom: 40px;
}
.about p {
  max-width: 780px;
  color: var(--text-light);
  font-size: 1.05rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 32px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover {
  box-shadow: 0 12px 28px rgba(15, 37, 64, 0.08);
  transform: translateY(-2px);
}

.company-card { text-align: left; }
.company-card h3 { margin: 0 0 10px; color: var(--navy); font-size: 1.15rem; }
.company-card p { color: var(--text-light); margin: 0 0 16px; font-size: 0.95rem; }
.company-logo {
  height: 44px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  margin-bottom: 18px;
}
.company-logo-bordered {
  height: 48px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.badge {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.badge-deco { background: #c17f3e; }
.badge-batiment { background: #2c4c6b; }
.badge-tech { background: #1f7a5c; }

.note {
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--text-light);
  font-style: italic;
}

/* Partner cards */
.partner-card { text-align: left; }
.partner-logo {
  height: 56px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  margin-bottom: 18px;
}
.partner-logo-sm { height: 40px; }
.partner-card h3 { margin: 0 0 4px; color: var(--navy); font-size: 1.1rem; }
.partner-city {
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.partner-card > p { color: var(--text-light); font-size: 0.95rem; margin: 0 0 16px; }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  font-size: 0.9rem;
}
.contact-list li { margin-bottom: 6px; color: var(--text-light); }
.contact-list a { color: var(--text); font-weight: 500; }
.contact-list a:hover { color: var(--accent); }

.brands { margin: 0 0 20px; }
.brands-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-light);
  margin-bottom: 10px;
}
.brand-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.brand-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.brand-logos img {
  height: 22px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
}
.chip {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
}
.brands-missing {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--text-light);
  margin: 0 0 20px;
}

.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.company-card .btn-outline,
.partner-card .btn-outline {
  border-color: var(--navy);
  color: var(--navy);
  background: none;
}
.company-card .btn-outline:hover,
.partner-card .btn-outline:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.contact-cta { margin-top: 4px; }

/* Tunisia map */
.map-wrap {
  position: relative;
  max-width: 340px;
  margin: 24px auto 0;
}
.tn-map-img {
  width: 100%;
  height: auto;
  display: block;
}
.tn-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  font: inherit;
}
.tn-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--accent-dark), 0 2px 6px rgba(15,37,64,0.35);
  flex-shrink: 0;
}
.tn-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  text-align: left;
  white-space: nowrap;
  background: rgba(255,255,255,0.9);
  padding: 2px 6px;
  border-radius: 4px;
}
.tn-label small {
  display: block;
  font-weight: 500;
  color: var(--text-light);
  font-size: 0.68rem;
}
.tn-pin:hover .tn-dot { background: var(--accent-dark); }
.tn-pin:hover .tn-label { color: var(--accent-dark); }
.tn-pin-up { flex-direction: row-reverse; }
.tn-pin-up .tn-label { text-align: right; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}
.contact-info p { margin: 0 0 14px; font-size: 1rem; }
.contact-info strong { color: var(--navy); }

.contact-form {
  display: grid;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-form label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 10px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-alt);
  color: var(--text);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-form button {
  margin-top: 16px;
  justify-self: start;
}
.form-hint {
  font-size: 0.78rem;
  color: var(--text-light);
  margin: 10px 0 0;
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #9fb0c3;
  padding: 26px 0;
  font-size: 0.85rem;
}
.footer-inner { text-align: center; }

/* Responsive */
@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
    transform: translateY(-150%);
    transition: transform 0.25s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 70px 0 60px; }
  .section { padding: 56px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 600px) {
  :root { font-size: 15px; }
  .container { padding: 0 16px; }
  .header-inner { height: 60px; }
  .brand { font-size: 1.1rem; }
  .hero { padding: 56px 0 48px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-sub { font-size: 1rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { text-align: center; }
  .section { padding: 44px 0; }
  .section h2 { font-size: 1.5rem; }
  .card { padding: 22px; }
  .card-grid { gap: 18px; }
  .card-actions { flex-direction: column; align-items: stretch; }
  .card-actions .btn { text-align: center; }
  .contact-form { padding: 20px; }
  .contact-form button { justify-self: stretch; }
  .map-wrap { max-width: 100%; }
}