/* ==========================================================================
   Cadior Groupe — Feuille de style principale
   Identité : orange BTP + bleu nuit (confiance, professionnalisme, sécurité)
   ========================================================================== */

:root {
  --color-primary: #F36F21;      /* Orange BTP / sécurité */
  --color-primary-dark: #D85A0E;
  --color-secondary: #0E1E3A;    /* Bleu nuit profond */
  --color-secondary-light: #1A2D52;
  --color-accent: #FFC72C;       /* Jaune sécurité */
  --color-text: #1A1F2E;
  --color-text-light: #5A6478;
  --color-bg: #ffffff;
  --color-bg-light: #F6F8FB;
  --color-bg-dark: #0E1E3A;
  --color-border: #E6E9EF;
  --color-success: #2BA84A;

  --font-base: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;

  --container: 1200px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 6px rgba(14, 30, 58, .06);
  --shadow: 0 8px 28px rgba(14, 30, 58, .08);
  --shadow-lg: 0 16px 40px rgba(14, 30, 58, .14);

  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-secondary); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.2rem; }

p { color: var(--color-text-light); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

/* ----------- Buttons ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn--outline:hover { background: #fff; color: var(--color-secondary); }
.btn--light { background: #fff; color: var(--color-secondary); }
.btn--light:hover { background: var(--color-accent); color: var(--color-secondary); transform: translateY(-2px); }
.btn--ghost { background: var(--color-bg-light); color: var(--color-secondary); }
.btn--ghost:hover { background: var(--color-primary); color: #fff; }
.btn--block { width: 100%; }

/* ----------- Topbar ----------- */
.topbar {
  background: var(--color-secondary);
  color: #cbd2e0;
  font-size: 0.83rem;
  padding: 0.55rem 0;
}
.topbar__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.8rem; }
.topbar__left, .topbar__right { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.topbar a { color: #cbd2e0; }
.topbar a:hover { color: var(--color-accent); }
.topbar__social { display: flex; gap: 0.8rem; padding-left: 1rem; border-left: 1px solid rgba(255,255,255,.15); }
.topbar i { color: var(--color-accent); margin-right: 0.35rem; }

/* ----------- Header & Nav ----------- */
.header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header__inner { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; gap: 1rem; }

.logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem; color: var(--color-secondary); }
.logo__mark {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; display: grid; place-items: center;
  border-radius: var(--radius-sm); font-weight: 800; font-size: 1.3rem;
  box-shadow: 0 4px 10px rgba(243, 111, 33, 0.3);
}
.logo__text strong { color: var(--color-primary); }
.logo--light { color: #fff; }
.logo--light .logo__text strong { color: var(--color-accent); }

.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav > ul { display: flex; gap: 0.4rem; align-items: center; }
.nav > ul > li > a {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  font-weight: 500;
  color: var(--color-secondary);
  border-radius: var(--radius-sm);
  position: relative;
}
.nav > ul > li > a.active,
.nav > ul > li > a:hover { color: var(--color-primary); }
.nav > ul > li > a.active::after {
  content: ''; position: absolute; left: 0.9rem; right: 0.9rem; bottom: 0.3rem; height: 2px; background: var(--color-primary); border-radius: 2px;
}
.nav__cta { padding: 0.7rem 1.3rem; }

.has-submenu { position: relative; }
.has-submenu > a i { font-size: 0.7rem; margin-left: 0.25rem; }
.submenu {
  position: absolute; top: 100%; left: 0;
  background: #fff;
  min-width: 260px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all var(--transition);
  z-index: 10;
}
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu li a { display: block; padding: 0.65rem 0.9rem; border-radius: var(--radius-sm); font-size: 0.92rem; color: var(--color-secondary); }
.submenu li a:hover { background: var(--color-bg-light); color: var(--color-primary); }

.menu-toggle { display: none; font-size: 1.4rem; color: var(--color-secondary); }

/* ----------- Hero ----------- */
.hero { position: relative; }
.hero__slide {
  min-height: 620px;
  background-size: cover; background-position: center;
  display: flex; align-items: center;
  color: #fff;
}
.hero__content { max-width: 720px; padding: 4rem 0; }
.hero__eyebrow {
  display: inline-block;
  background: rgba(243, 111, 33, 0.95);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero__content h1 { color: #fff; margin-bottom: 1.2rem; }
.hero__content p { color: rgba(255,255,255,.9); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ----------- Features (sous le hero) ----------- */
.features {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 0;
}
.feature {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem;
  border-right: 1px solid var(--color-border);
}
.feature:last-child { border-right: none; }
.feature__icon {
  width: 56px; height: 56px;
  background: rgba(243, 111, 33, 0.1);
  color: var(--color-primary);
  display: grid; place-items: center;
  border-radius: var(--radius);
  font-size: 1.4rem;
  flex-shrink: 0;
}
.feature h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.feature p { font-size: 0.85rem; }

/* ----------- Sections génériques ----------- */
.section { padding: 5rem 0; }
.section--light { background: var(--color-bg-light); }
.section--dark { background: var(--color-secondary); color: #fff; }
.section--dark h2 { color: #fff; }
.section--dark p { color: rgba(255,255,255,.8); }

.section__head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section__head p { font-size: 1.05rem; margin-top: 0.7rem; }

.section__cta { text-align: center; margin-top: 2.5rem; }

/* ----------- Categories ----------- */
.categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.category-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: block;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); color: inherit; }
.category-card__img { height: 180px; background-size: cover; background-position: center; }
.category-card__body { padding: 1.2rem; }
.category-card__body h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.category-card__body span { color: var(--color-primary); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.3rem; }
.category-card--epi .category-card__body { border-top: 3px solid var(--color-accent); }

/* ----------- Products ----------- */
.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  border: 1px solid var(--color-border);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-card__badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--color-primary);
  color: #fff;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 2;
}
.product-card__badge--new { background: var(--color-success); }
.product-card__img { height: 200px; background-size: cover; background-position: center; background-color: var(--color-bg-light); }
.product-card__body { padding: 1.2rem; }
.product-card__cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  font-weight: 600;
}
.product-card__body h3 { font-size: 1.02rem; margin: 0.4rem 0 0.7rem; }
.product-card__price { font-size: 0.92rem; margin-bottom: 1rem; color: var(--color-text); }
.product-card__price strong { color: var(--color-primary); font-size: 1.1rem; font-weight: 700; }

/* ----------- About strip ----------- */
.about-strip { padding: 5rem 0; background: #fff; }
.about-strip__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-strip__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-strip__content h2 { margin-bottom: 1rem; }
.about-strip__content p { font-size: 1.02rem; margin-bottom: 1.5rem; }
.checklist { margin-bottom: 1.8rem; }
.checklist li { padding: 0.4rem 0; color: var(--color-secondary); font-weight: 500; }
.checklist i { color: var(--color-success); margin-right: 0.6rem; }

/* ----------- Stats ----------- */
.stats {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  padding: 3rem 0;
  color: #fff;
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; }
.stat h3 { color: var(--color-accent); font-size: 2.4rem; font-weight: 800; margin-bottom: 0.3rem; }
.stat p { color: rgba(255,255,255,.85); font-size: 0.95rem; }

/* ----------- Services ----------- */
.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: #fff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
  border-top: 4px solid var(--color-primary);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card i { font-size: 2.4rem; color: var(--color-primary); margin-bottom: 1rem; }
.service-card h3 { margin-bottom: 0.5rem; }

/* ----------- CTA ----------- */
.cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 3.5rem 0;
}
.cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta h2 { color: #fff; margin-bottom: 0.4rem; }
.cta p { color: rgba(255,255,255,.95); }

/* ----------- Footer ----------- */
.footer { background: var(--color-secondary); color: #cbd2e0; padding: 4rem 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer__col h4 { color: #fff; font-size: 1rem; margin-bottom: 1.2rem; position: relative; padding-bottom: 0.7rem; }
.footer__col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 3px; background: var(--color-primary); border-radius: 2px; }
.footer__col p { color: #cbd2e0; margin: 1rem 0; font-size: 0.93rem; }
.footer__col ul li { padding: 0.35rem 0; }
.footer__col ul li a, .footer__col ul li { color: #cbd2e0; font-size: 0.93rem; }
.footer__col ul li a:hover { color: var(--color-accent); }
.footer__social { display: flex; gap: 0.7rem; margin-top: 1rem; }
.footer__social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  display: grid; place-items: center;
  border-radius: 50%;
  color: #fff;
  transition: all var(--transition);
}
.footer__social a:hover { background: var(--color-primary); transform: translateY(-3px); }
.contact-list li { display: flex; align-items: flex-start; gap: 0.6rem; }
.contact-list i { color: var(--color-primary); margin-top: 0.25rem; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 1.3rem 0;
  font-size: 0.85rem;
}
.footer__bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem; }
.footer__bottom a { color: #cbd2e0; }
.footer__bottom a:hover { color: var(--color-accent); }

/* ----------- WhatsApp Float ----------- */
.whatsapp-float {
  position: fixed;
  bottom: 22px; right: 22px;
  width: 58px; height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 1.7rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); color: #fff; }

/* ----------- Page header (sous-pages) ----------- */
.page-header {
  background: linear-gradient(rgba(14,30,58,.85), rgba(14,30,58,.9)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1600&q=80');
  background-size: cover; background-position: center;
  color: #fff;
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}
.page-header h1 { color: #fff; margin-bottom: 0.6rem; }
.page-header p { color: rgba(255,255,255,.85); }
.breadcrumb { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1rem; font-size: 0.9rem; color: rgba(255,255,255,.85); }
.breadcrumb a { color: var(--color-accent); }
.breadcrumb span { opacity: 0.7; }

/* ----------- Catalogue (Produits) ----------- */
.catalog { padding: 4rem 0; }
.catalog__grid { display: grid; grid-template-columns: 260px 1fr; gap: 2rem; align-items: start; }
.sidebar {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: sticky; top: 100px;
}
.sidebar h4 { font-size: 0.95rem; margin-bottom: 0.8rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border); }
.sidebar ul { margin-bottom: 1.5rem; }
.sidebar ul li button, .sidebar ul li a {
  display: block; width: 100%; text-align: left;
  padding: 0.5rem 0.7rem; border-radius: var(--radius-sm);
  color: var(--color-secondary); font-size: 0.92rem;
  transition: all var(--transition);
  background: none;
}
.sidebar ul li button:hover, .sidebar ul li a:hover,
.sidebar ul li button.active { background: rgba(243, 111, 33, 0.08); color: var(--color-primary); font-weight: 600; }

.catalog__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.catalog__count { color: var(--color-text-light); font-size: 0.92rem; }
.search-box { display: flex; align-items: center; gap: 0.5rem; background: #fff; padding: 0.5rem 0.9rem; border-radius: var(--radius); border: 1px solid var(--color-border); min-width: 280px; }
.search-box input { border: none; outline: none; flex: 1; font: inherit; }
.search-box i { color: var(--color-text-light); }

.catalog__products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* ----------- Forms ----------- */
.form-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}
.form {
  background: #fff;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--color-secondary); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(243, 111, 33, 0.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }

.contact-info {
  background: var(--color-secondary);
  color: #fff;
  padding: 2rem;
  border-radius: var(--radius-lg);
}
.contact-info h3 { color: #fff; margin-bottom: 1.2rem; }
.contact-info ul li {
  display: flex; align-items: flex-start; gap: 0.9rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.9);
  font-size: 0.95rem;
}
.contact-info ul li:last-child { border-bottom: none; }
.contact-info i { color: var(--color-accent); font-size: 1.1rem; margin-top: 0.2rem; flex-shrink: 0; }

/* ----------- About page ----------- */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2rem; }
.value-card { background: #fff; padding: 2rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border-top: 4px solid var(--color-primary); }
.value-card i { font-size: 2rem; color: var(--color-primary); margin-bottom: 1rem; }
.value-card h3 { margin-bottom: 0.5rem; }

.timeline { max-width: 800px; margin: 2rem auto 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: var(--color-border); }
.timeline-item { position: relative; padding-left: 60px; margin-bottom: 2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: 12px; top: 4px;
  width: 18px; height: 18px;
  background: var(--color-primary);
  border: 4px solid #fff; box-shadow: 0 0 0 2px var(--color-primary);
  border-radius: 50%;
}
.timeline-item h3 { margin-bottom: 0.3rem; font-size: 1.05rem; }
.timeline-item .year { color: var(--color-primary); font-weight: 700; font-size: 0.9rem; margin-bottom: 0.2rem; }

/* ----------- Responsive ----------- */
@media (max-width: 992px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .feature { border-right: none; border-bottom: 1px solid var(--color-border); }
  .categories, .products, .services, .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about-strip__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .catalog__grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .catalog__products { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .topbar__left { display: none; }
  .topbar__right { justify-content: center; width: 100%; }
  .menu-toggle { display: block; }
  .nav {
    position: fixed; top: 0; right: -100%;
    width: 80%; max-width: 320px; height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 4rem 1.5rem 2rem;
    box-shadow: -8px 0 30px rgba(0,0,0,.15);
    transition: right var(--transition);
    z-index: 200;
    align-items: stretch;
    gap: 1rem;
    overflow-y: auto;
  }
  .nav.is-open { right: 0; }
  .nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav > ul > li > a { padding: 0.9rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .nav > ul > li > a.active::after { display: none; }
  .submenu {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    box-shadow: none; padding: 0; min-width: 0;
    background: var(--color-bg-light);
  }
  .submenu li a { padding-left: 2rem; }
  .nav__cta { width: 100%; }
  .menu-toggle.is-active { position: fixed; top: 1rem; right: 1.5rem; z-index: 250; color: var(--color-secondary); }

  .hero__slide { min-height: 480px; }
  .hero__content { padding: 3rem 0; }
  .hero__actions .btn { flex: 1 1 auto; }

  .cta__inner { text-align: center; flex-direction: column; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .catalog__products { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}

@media (max-width: 480px) {
  .features__grid, .categories, .products, .services { grid-template-columns: 1fr; }
  .topbar__right { gap: 0.8rem; font-size: 0.78rem; }
  .topbar__social { padding-left: 0; border-left: none; }
}