/* ============================================================
   Site-3 — Artisan / BTP — Thème "Acier & Rouille"
   Repris du visuel de sites/site-3-template/template_1.html
   Toutes les couleurs/tailles restent en variables CSS pour que
   le thème reste facilement ajustable sans toucher aux pages PHP.
   ============================================================ */

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

:root {
  --steel: #1a1c1e;
  --steel-mid: #242729;
  --steel-light: #2e3235;
  --rust: #c84b1a;
  --rust-muted: #8a3412;
  --concrete: #4a4e52;
  --concrete-light: #7a7f84;
  --wire: #3a3f44;
  --text-head: #e8e4de;
  --text-body: #a8adb3;
  --text-muted: #6a6f75;
  --accent: #e05a20;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  background: var(--steel);
  color: var(--text-body);
  line-height: 1.6;
  font-size: 16px;
}

/* ── NAV ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: var(--steel);
  border-bottom: 2px solid var(--rust-muted);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 24px;
  flex-wrap: wrap;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-head);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo-img {
  height: 84px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.nav-logo span { color: var(--accent); }
.contact-logo {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.contact-logo img {
  height: 160px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  display: block;
}
.nav-sub {
  display: block;
  font-family: 'Barlow', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: none;
  color: var(--text-muted);
  margin-top: 2px;
}
.nav-links { display: flex; gap: 28px; list-style: none; flex-wrap: wrap; }
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--concrete-light);
  text-decoration: none;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

/* ── RIBBON ── */
.ribbon {
  background: var(--rust-muted);
  padding: 10px 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ribbon-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #e8c8b8;
}
.ribbon-tel {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ribbon-sep { color: rgba(255,255,255,.35); margin: 0 6px; }

/* ── HERO MODIFIÉ : IMAGE EN ARRIÈRE-PLAN TRANSPARENT ── */
.hero {
  padding: 100px 48px 80px;
  background: var(--steel);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--wire);
}

/* Nouveau bloc conteneur pour l'image de fond */
.hero-bg-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%; /* Prend la moitié droite de l'écran */
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75; /* Transparence pour se fondre dans le fond sombre */
  filter: saturate(0.7) brightness(0.9);
}

/* Fondu noir par-dessus l'image pour que le texte reste ultra-lisible à gauche */
.hero-bg-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--steel) 0%, rgba(26, 28, 30, 0.4) 60%, var(--steel) 100%),
              linear-gradient(to top, var(--steel) 0%, transparent 25%);
}

/* Les hachures industrielles d'origine, appliquées au premier plan */
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent, transparent 12px,
    rgba(90,95,101,.03) 12px, rgba(90,95,101,.03) 13px
  );
  z-index: 2;
  pointer-events: none;
}

.hero-inner { 
  position: relative; 
  max-width: 1200px; 
  margin: 0 auto;
  z-index: 3; /* Passe au-dessus du fond */
}

.hero-main-text {
  max-width: 65%; /* Limite la largeur pour éviter d'aller trop sur l'image */
}

.hero-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(45px, 6vw, 76px); /* Reprend une taille imposante */
  font-weight: 900;
  line-height: .98;
  letter-spacing: -1px;
  color: var(--text-head);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-title em { color: var(--accent); font-style: normal; display: block; }
.hero-sub {
  font-size: 16px;
  color: var(--text-body);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.75;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 15px 30px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s;
}
.btn-primary:hover { background: var(--rust); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-head);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 15px 20px;
  border: 1px solid var(--wire);
  cursor: pointer;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
  display: flex;
  gap: 52px;
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid var(--wire);
  flex-wrap: wrap;
  width: 100%;
}
.stat-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 38px;
  font-weight: 900;
  color: var(--text-head);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 5px;
}

/* ── SECTIONS ── */
.section { padding: 80px 48px; }
.section-alt { background: var(--steel-mid); }
.section-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  color: var(--text-head);
  text-transform: uppercase;
  margin-bottom: 10px;
  letter-spacing: .5px;
}
.section-sep { width: 48px; height: 3px; background: var(--rust); margin-bottom: 40px; }

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
}
.service-card {
  background: var(--steel-light);
  padding: 36px 30px;
  border-left: 3px solid transparent;
  transition: border-color .2s, background .2s;
}
.service-card:hover { border-left-color: var(--accent); background: #2a2e32; }
.service-icon { font-size: 30px; margin-bottom: 18px; color: var(--accent); display: block; }
.service-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-head);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.service-desc { font-size: 14px; color: var(--text-body); line-height: 1.7; }
.service-list { margin-top: 14px; list-style: none; }
.service-list li {
  font-size: 13px;
  color: var(--concrete-light);
  padding: 4px 0 4px 16px;
  position: relative;
}
.service-list li::before { content: '—'; position: absolute; left: 0; color: var(--rust-muted); }

/* ── SPÉCIALITÉS (groupes) ── */
.specialites-wrap { display: grid; gap: 36px; }
.specialite-group-head {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-head);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--wire);
}
.metals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.metal-item {
  background: var(--steel-light);
  padding: 22px 16px;
  text-align: center;
  border-top: 2px solid var(--wire);
  transition: border-color .2s;
}
.metal-item:hover { border-top-color: var(--accent); }
.metal-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-head);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.metal-note { font-size: 11px; color: var(--text-muted); margin-top: 5px; text-transform: uppercase; letter-spacing: .5px; }

/* ── ÉQUIPEMENTS ── */
.bennes-intro { font-size: 15px; color: var(--text-body); max-width: 620px; margin-bottom: 36px; line-height: 1.75; }
.bennes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.benne-tag {
  background: var(--steel-light);
  padding: 18px 20px;
  border: 1px solid var(--wire);
  transition: border-color .2s, color .2s;
}
.benne-tag:hover { border-color: var(--accent); }
.benne-tag:hover .benne-name { color: var(--accent); }
.benne-icon { font-size: 22px; margin-bottom: 10px; color: var(--concrete-light); display: block; }
.benne-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-head);
  text-transform: uppercase;
  letter-spacing: .5px;
  transition: color .2s;
}
.benne-desc { font-size: 12px; color: var(--text-muted); margin-top: 6px; line-height: 1.5; text-transform: none; letter-spacing: 0; }

/* ── ZONES ── */
.zones-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.zones-desc { font-size: 15px; color: var(--text-body); margin-bottom: 28px; line-height: 1.75; }
.zones-list { display: flex; flex-direction: column; }
.zone-item {
  padding: 13px 0;
  border-bottom: 1px solid var(--steel-light);
  display: flex;
  align-items: center;
  gap: 14px;
}
.zone-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.zone-dot-muted { background: var(--concrete); }
.zone-name { font-size: 14px; color: var(--text-head); font-weight: 500; }
.zone-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--rust-muted);
  padding: 2px 8px;
  flex-shrink: 0;
}
.coverage-box {
  background: var(--steel-light);
  padding: 32px;
  border-left: 3px solid var(--accent);
}
.coverage-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-head);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.coverage-text { font-size: 14px; color: var(--text-body); line-height: 1.75; }
.coverage-stat {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--wire);
}
.coverage-stat-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.coverage-stat-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.coverage-stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-info p { font-size: 15px; color: var(--text-body); margin-bottom: 32px; line-height: 1.75; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-ico { font-size: 22px; color: var(--accent); margin-top: 1px; flex-shrink: 0; }
.contact-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 3px;
}
.contact-val { font-size: 15px; color: var(--text-head); }
.contact-form { background: var(--steel-light); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--concrete-light);
  margin-bottom: 8px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--steel);
  border: 1px solid var(--wire);
  color: var(--text-head);
  padding: 11px 15px;
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  border-radius: 0;
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 15px;
  border: none;
  cursor: pointer;
  transition: background .2s;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.form-btn:hover { background: var(--rust); }
.loading {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.error-message {
  background: var(--steel-light);
  border-left: 3px solid var(--rust);
  color: var(--text-body);
  font-size: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
  text-align: left;
}
.sent-message {
  background: var(--steel-light);
  border-left: 3px solid var(--accent);
  color: var(--text-body);
  font-size: 14px;
  padding: 14px 18px;
  margin-bottom: 10px;
}

/* ── FOOTER ── */
.footer {
  background: var(--steel);
  border-top: 2px solid var(--rust-muted);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-head);
  text-transform: uppercase;
}
.footer-logo span { color: var(--accent); }
.footer-copy { font-size: 12px; color: var(--text-muted); }

/* ── RESPONSIVE NETTOYÉ POUR LE FOND TRANSPARENT ── */
@media (max-width: 992px) {
  .hero-bg-image {
    width: 100%; /* L'image prend tout le fond sur mobile/tablette */
  }
  .hero-bg-image img {
    opacity: 0.15; /* On baisse encore un peu l'opacité pour assurer le contraste */
  }
  .hero-bg-image::after {
    background: linear-gradient(to top, var(--steel) 0%, rgba(26, 28, 30, 0.7) 100%);
  }
  .hero-main-text {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 11px; }
  .ribbon { padding: 10px 20px; gap: 6px; }
  .hero { padding: 56px 20px 52px; }
  .section { padding: 56px 20px; }
  .hero-stats { gap: 32px; margin-top: 40px; }
  .zones-layout,
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}