/* =============================================
   CARRE3 — Main CSS
   Palette éco-responsable premium
   ============================================= */

/* Variables (override dynamique via PHP) */
:root {
  --c-parchment: #eff1ed;
  --c-dark-khaki: #373d20;
  --c-dusty-olive: #717744;
  --c-dry-sage: #bcbd8b;
  --c-ash-brown: #766153;
  --c-gold-accent: #c8a96a;
  --c-warm-beige: #f6f2ea;
  --c-soft-green: #a8bfa3;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Jost', system-ui, sans-serif;

  --transition: 0.3s ease;
  --radius: 4px;
  --shadow: 0 4px 24px rgba(55,61,32,0.10);
  --shadow-lg: 0 8px 40px rgba(55,61,32,0.15);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-dark-khaki);
  background: var(--c-parchment);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Container */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--c-dark-khaki);
}
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 3vw, 2rem); }
h4 { font-size: 1.2rem; font-family: var(--font-sans); font-weight: 500; }
p { margin-bottom: 1em; }
em { color: var(--c-dusty-olive); font-style: italic; }

/* Section title */
.section-title { text-align: center; margin-bottom: 0.5em; }
.section-subtitle { text-align: center; color: var(--c-ash-brown); margin-bottom: 3rem; font-size: 1.05rem; }
.section-title-line {
  display: block;
  width: 60px;
  height: 2px;
  background: var(--c-gold-accent);
  margin: 0.75rem auto 1.5rem;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75em 2em;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-cta {
  background: var(--c-gold-accent);
  color: var(--c-dark-khaki);
}
.btn-cta:hover {
  background: var(--c-dusty-olive);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--c-dusty-olive);
  color: var(--c-dusty-olive);
}
.btn-outline:hover {
  background: var(--c-dusty-olive);
  color: #fff;
}
.btn-success {
  background: var(--c-soft-green);
  color: var(--c-dark-khaki);
}
.btn-dark {
  background: var(--c-dark-khaki);
  color: var(--c-warm-beige);
}
.btn-dark:hover {
  background: var(--c-dusty-olive);
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--c-dark-khaki);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  transition: background var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 1.5rem;
}
.header-logo {
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--c-warm-beige);
  letter-spacing: 0.05em;
}
.logo-text span { color: var(--c-gold-accent); }
.logo-img { height: 45px; width: auto; }

/* Nav */
.header-nav { flex: 1; }
.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.5em 0.9em;
  color: var(--c-dry-sage);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-item.active .nav-link {
  color: var(--c-warm-beige);
  background: rgba(255,255,255,0.08);
}
.chevron { width: 10px; height: 6px; transition: transform var(--transition); }
.has-dropdown:hover .chevron { transform: rotate(180deg); }

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--c-warm-beige);
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-dry-sage);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 200;
}
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  top: 100%;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.6em 1.2em;
  font-size: 0.9rem;
  color: var(--c-dark-khaki);
  transition: background var(--transition), color var(--transition);
}
.dropdown-item:hover { background: var(--c-dry-sage); color: var(--c-dark-khaki); }
.dropdown-all {
  border-top: 1px solid var(--c-dry-sage);
  margin-top: 0.25rem;
  color: var(--c-dusty-olive);
  font-weight: 500;
}
.cat-emoji { font-size: 1rem; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.header-social { display: flex; gap: 0.4rem; }
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  color: var(--c-dry-sage);
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
}
.social-icon:hover { color: var(--c-gold-accent); background: rgba(255,255,255,0.1); }
.social-icon svg { width: 16px; height: 16px; }
.header-cta { padding: 0.55em 1.4em; font-size: 0.8rem; }

/* Burger */
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger-btn span {
  display: block;
  height: 2px;
  background: var(--c-warm-beige);
  border-radius: 2px;
  transition: all 0.3s;
}
.burger-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.active span:nth-child(2) { opacity: 0; }
.burger-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.nav-overlay.active { display: block; }

/* ---- HERO ---- */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--c-dark-khaki);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  transition: opacity 0.5s;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(55,61,32,0.85) 0%, rgba(55,61,32,0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero-content h1 { color: var(--c-warm-beige); margin-bottom: 1rem; }
.hero-content h1 em { color: var(--c-gold-accent); font-style: italic; }
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--c-dry-sage);
  margin-bottom: 2.5rem;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---- STATS ---- */
.stats-section {
  background: var(--c-warm-beige);
  padding: 5rem 0;
  border-bottom: 1px solid var(--c-dry-sage);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item .stat-value {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: var(--c-dark-khaki);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1em;
}
.stat-value .unit { font-size: 2rem; color: var(--c-gold-accent); }
.stat-label { font-size: 0.9rem; color: var(--c-ash-brown); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.3em; }

/* ---- SECTIONS ---- */
.section { padding: 5rem 0; }
.section-warm { background: var(--c-warm-beige); }
.section-parchment { background: var(--c-parchment); }
.section-dark {
  background: var(--c-dark-khaki);
  color: var(--c-warm-beige);
}
.section-dark h2, .section-dark h3 { color: var(--c-warm-beige); }
.section-dark .section-subtitle { color: var(--c-dry-sage); }
.section-sage { background: var(--c-dry-sage); }

/* ---- PROJECTS GRID ---- */
.projects-section { padding: 5rem 0; }

/* =====================================================
   GRILLE PRINCIPALE : catégories en 4 colonnes côte à côte
   ===================================================== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: start;
}

/* Chaque colonne : pas de marge inférieure, les projets s'empilent */
.category-group {
  margin-bottom: 0;
}

/* Dans chaque colonne, les projets en liste verticale (1 seule colonne) */
.category-group .projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.category-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-dry-sage);
}
.category-header-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.category-see-all {
  font-size: 0.85rem;
  color: var(--c-dusty-olive);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  transition: color var(--transition);
}
.category-see-all:hover { color: var(--c-gold-accent); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project-card {
  background: var(--c-warm-beige);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.project-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--c-dry-sage);
  position: relative;
}
.project-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-card-img img { transform: scale(1.05); }
.project-card-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-dry-sage), var(--c-dusty-olive));
  color: rgba(255,255,255,0.6);
  font-size: 2.5rem;
}
.project-card-body { padding: 1.25rem 1.5rem 1.5rem; }
.project-card-cats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.cat-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2em 0.7em;
  border-radius: 20px;
  background: var(--c-dry-sage);
  color: var(--c-dark-khaki);
  font-weight: 500;
}
.project-card-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
  color: var(--c-dark-khaki);
}
.project-card-meta {
  font-size: 0.82rem;
  color: var(--c-ash-brown);
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
}

/* ---- CATEGORY PAGE ---- */
.page-hero {
  padding: 5rem 0 3rem;
  background: var(--c-warm-beige);
  border-bottom: 1px solid var(--c-dry-sage);
}
.page-hero h1 { margin-bottom: 0.5rem; }
.page-hero-subtitle { color: var(--c-ash-brown); font-size: 1.1rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.85rem;
  color: var(--c-ash-brown);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--c-dusty-olive); }
.breadcrumb-sep { color: var(--c-dry-sage); }

/* Category filter tabs */
.cat-filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.cat-tab {
  padding: 0.5em 1.2em;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1.5px solid var(--c-dry-sage);
  background: transparent;
  color: var(--c-ash-brown);
  cursor: pointer;
  transition: all var(--transition);
}
.cat-tab:hover, .cat-tab.active {
  background: var(--c-dark-khaki);
  border-color: var(--c-dark-khaki);
  color: var(--c-warm-beige);
}

/* ---- PROJECT DETAIL ---- */
.project-detail-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  padding: 4rem 0;
  align-items: start;
}
.project-detail-info {
  position: sticky;
  top: 90px;
}
.project-detail-info h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1.5rem;
}
.project-meta-list {
  margin-bottom: 2rem;
}
.project-meta-item {
  display: flex;
  flex-direction: column;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--c-dry-sage);
}
.project-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-ash-brown);
  margin-bottom: 0.2em;
}
.project-meta-value { font-weight: 500; color: var(--c-dark-khaki); }
.phases-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}
.phase-badge {
  display: inline-block;
  padding: 0.25em 0.75em;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid;
  transition: background 0.2s, color 0.2s;
}
.phase-active {
  background: var(--c-gold-accent);
  border-color: var(--c-gold-accent);
  color: #fff;
}
.phase-inactive {
  background: transparent;
  border-color: #ddd;
  color: #bbb;
}
/* Bloc phases projet */
.project-phases {
  margin: 1.5rem 0;
}
.project-phases-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-dusty-olive);
  margin-bottom: 0.6rem;
  font-weight: 600;
}
.project-phases-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.project-desc { margin-bottom: 1.5rem; color: var(--c-ash-brown); font-size: 0.95rem; }

/* Main photo */
.project-main-photo {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 2rem;
  aspect-ratio: 4/3;
  background: var(--c-dry-sage);
}
.project-main-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ---- GALLERY ---- */
.gallery-section { padding: 2rem 0; }
.gallery-grid {
  display: grid;
  gap: 1rem;
}
.gallery-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.gallery-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.gallery-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.gallery-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  background: var(--c-dry-sage);
  transition: opacity var(--transition);
}
.gallery-thumb:hover { opacity: 0.85; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.gallery-thumb:hover img { transform: scale(1.04); }

/* ---- CAROUSEL ---- */
.carousel-section { padding: 2rem 0; }
.carousel-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--c-dark-khaki);
}
.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}
.carousel-slide {
  min-width: 100%;
  position: relative;
}
.carousel-slide img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(55,61,32,0.7);
  color: var(--c-warm-beige);
  border: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  z-index: 5;
  transition: background var(--transition);
}
.carousel-btn:hover { background: var(--c-dusty-olive); }
.carousel-btn-prev { left: 1rem; }
.carousel-btn-next { right: 1rem; }
.carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
  z-index: 5;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.carousel-dot.active { background: var(--c-gold-accent); transform: scale(1.3); }

/* ---- LIGHTBOX ---- */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay.active { display: flex; }
.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}
.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.lightbox-close:hover { opacity: 1; }
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  transition: background var(--transition);
}
.lightbox-nav:hover { background: rgba(255,255,255,0.3); }
.lightbox-prev { left: -3.5rem; }
.lightbox-next { right: -3.5rem; }
.lightbox-counter {
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

/* ---- TEAM GRID ---- */
.team-section { padding: 4rem 0; }
.team-member {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--c-dry-sage);
}
.team-member:last-child { border-bottom: none; }
.team-member.reverse { direction: rtl; }
.team-member.reverse > * { direction: ltr; }
.team-member-photo {
  aspect-ratio: 3/4;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-dry-sage);
}
.team-member-photo img { width: 100%; height: 100%; object-fit: cover; }
.team-member-photo-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--c-dry-sage), var(--c-dusty-olive));
}
.team-member-info { padding: 1rem 0; }
.team-member-role {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-dusty-olive);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.team-member-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 1rem;
}
.team-member-bio { color: var(--c-ash-brown); line-height: 1.8; }

/* ---- VALUES GRID ---- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.value-card {
  background: var(--c-parchment);
  border-radius: 8px;
  padding: 2rem;
  border-left: 3px solid var(--c-gold-accent);
  transition: transform var(--transition), box-shadow var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.value-emoji { font-size: 2rem; margin-bottom: 0.75rem; }
.value-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-dark-khaki);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.value-text { font-size: 0.9rem; color: var(--c-ash-brown); line-height: 1.7; }

/* ---- SERVICES GRID ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.service-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 8px;
  background: var(--c-parchment);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-emoji { font-size: 2.5rem; margin-bottom: 1rem; }
.service-title { font-weight: 600; margin-bottom: 0.5rem; }
.service-text { font-size: 0.88rem; color: var(--c-ash-brown); }

/* ---- CTA BLOCK ---- */
.cta-block {
  padding: 5rem 0;
  text-align: center;
}
.cta-block.dark {
  background: var(--c-dark-khaki);
  color: var(--c-warm-beige);
}
.cta-block.dark h2 { color: var(--c-warm-beige); }
.cta-block.dark .cta-subtitle { color: var(--c-dry-sage); }
.cta-block h2 { margin-bottom: 1rem; }
.cta-subtitle { font-size: 1.1rem; margin-bottom: 2rem; }

/* ---- CONTACT ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  padding: 4rem 0;
}
.contact-form .form-group {
  margin-bottom: 1.5rem;
}
.contact-form label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-ash-brown);
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.8em 1em;
  border: 1.5px solid var(--c-dry-sage);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: var(--c-warm-beige);
  color: var(--c-dark-khaki);
  transition: border-color var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--c-dusty-olive);
}
.contact-form textarea { min-height: 150px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-success {
  padding: 1rem 1.5rem;
  background: var(--c-soft-green);
  border-radius: var(--radius);
  color: var(--c-dark-khaki);
  margin-bottom: 1rem;
  display: none;
}
.form-error {
  padding: 1rem 1.5rem;
  background: #f4c2c2;
  border-radius: var(--radius);
  color: #7a0000;
  margin-bottom: 1rem;
  display: none;
}
.contact-info-block { padding-top: 2rem; }
.contact-info-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}
.contact-info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-dusty-olive);
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.contact-info-value { font-size: 1rem; color: var(--c-dark-khaki); }
.contact-info-value a { color: var(--c-dark-khaki); transition: color var(--transition); }
.contact-info-value a:hover { color: var(--c-dusty-olive); }

/* ---- FOOTER ---- */
.site-footer {
  background: var(--c-dark-khaki);
  color: var(--c-dry-sage);
  padding-top: 4rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo .logo-text { color: var(--c-warm-beige); font-size: 1.5rem; }
.footer-tagline { font-size: 0.9rem; color: var(--c-dry-sage); margin-top: 0.5rem; }
.footer-mention { font-size: 0.82rem; color: var(--c-ash-brown); margin-top: 0.25rem; }
.footer-social { display: flex; gap: 0.5rem; margin-top: 1rem; }
.footer-social .social-icon { color: var(--c-ash-brown); }
.footer-social .social-icon:hover { color: var(--c-gold-accent); }
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--c-gold-accent);
  margin-bottom: 1.2rem;
  font-weight: 600;
}
.footer-nav ul, .footer-categories ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a, .footer-categories a {
  font-size: 0.88rem;
  color: var(--c-ash-brown);
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-categories a:hover { color: var(--c-dry-sage); }
.footer-address {
  font-size: 0.88rem;
  color: var(--c-ash-brown);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.footer-contact-link {
  display: block;
  font-size: 0.88rem;
  color: var(--c-ash-brown);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}
.footer-contact-link:hover { color: var(--c-dry-sage); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--c-ash-brown);
}
.footer-admin-link { color: var(--c-ash-brown); transition: color var(--transition); }
.footer-admin-link:hover { color: var(--c-gold-accent); }

/* ---- PHASES LIST ---- */
.phases-grid-full {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.phase-item-full {
  padding: 1.5rem;
  background: var(--c-parchment);
  border-radius: 6px;
  border-top: 3px solid var(--c-dusty-olive);
}
.phase-num {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-gold-accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.phase-name { font-size: 0.92rem; color: var(--c-dark-khaki); font-weight: 500; }

/* ---- ABOUT FOUNDER ---- */
.founder-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--c-dry-sage);
  margin-bottom: 3rem;
}
.founder-photo {
  aspect-ratio: 3/4;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-dry-sage);
}
.founder-photo img { width: 100%; height: 100%; object-fit: cover; }
.founder-citation {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--c-dusty-olive);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.founder-name { font-weight: 600; font-size: 1rem; }
.founder-title { font-size: 0.9rem; color: var(--c-ash-brown); }

/* ---- SOCIAL SHARE ---- */
.social-share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-dry-sage);
}
.social-share-label { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-ash-brown); }
.share-btn {
  display: flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.4em 0.9em;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1.5px solid;
  cursor: pointer;
  background: transparent;
  transition: all var(--transition);
}
.share-btn.facebook { border-color: #1877f2; color: #1877f2; }
.share-btn.facebook:hover { background: #1877f2; color: #fff; }
.share-btn.linkedin { border-color: #0077b5; color: #0077b5; }
.share-btn.linkedin:hover { background: #0077b5; color: #fff; }
.share-btn.email { border-color: var(--c-ash-brown); color: var(--c-ash-brown); }
.share-btn.email:hover { background: var(--c-ash-brown); color: #fff; }

/* ---- 404 ---- */
.page-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
}
.page-404 h1 {
  font-size: 8rem;
  color: var(--c-dry-sage);
  line-height: 1;
  margin-bottom: 1rem;
}

/* ---- MENTIONS LÉGALES ---- */
.mentions-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1rem;
}
.mentions-content h2 { margin: 2rem 0 0.75rem; font-size: 1.3rem; }
.mentions-content h3 { margin: 1.5rem 0 0.5rem; font-size: 1.1rem; color: var(--c-dusty-olive); }
.mentions-content p, .mentions-content li { color: var(--c-ash-brown); font-size: 0.95rem; }

/* ---- ANIMATIONS ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .phases-grid-full { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .burger-btn { display: flex; }
  .header-nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--c-dark-khaki);
    padding: 1.5rem;
    transform: translateX(-100%);
    transition: transform 0.3s;
    z-index: 999;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  .header-nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    box-shadow: none;
    background: rgba(255,255,255,0.05);
    display: none;
  }
  .has-dropdown.open .dropdown-menu { display: block; }
  .header-social { display: none; }
  .project-detail-layout { grid-template-columns: 1fr; }
  .project-detail-info { position: static; }
  .team-member { grid-template-columns: 1fr; gap: 1.5rem; }
  .team-member.reverse { direction: ltr; }
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .values-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .founder-block { grid-template-columns: 1fr; }
  .phases-grid-full { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid.cols-3, .gallery-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-section { min-height: 65vh; }
  .categories-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .category-group .projects-grid { grid-template-columns: 1fr; }
  .lightbox-prev { left: -2rem; }
  .lightbox-next { right: -2rem; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .phases-grid-full { grid-template-columns: 1fr 1fr; }
  .gallery-grid.cols-2 { grid-template-columns: 1fr; }
}