/* =========================================================
   PeMesso — feuille de style principale
   Palette : marron foncé / marron clair / blanc / noir
   ========================================================= */

:root {
  --color-dark:    #2a1c14;   /* marron très foncé (quasi noir) */
  --color-brown:   #8a5a3c;   /* marron principal */
  --color-brown-light: #d9b896; /* marron clair / beige */
  --color-cream:   #f8f3ec;   /* fond clair */
  --color-white:   #ffffff;
  --color-black:   #1a1310;
  --color-text:    #3c2e24;
  --color-text-light: #8a7b6f;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Poppins', Arial, sans-serif;

  --container: 1200px;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(42, 28, 20, 0.08);
  --shadow-lg: 0 20px 50px rgba(42, 28, 20, 0.15);
  --transition: 0.35s cubic-bezier(.25,.8,.25,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h3 { font-size: 1.35rem; }

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

/* =========================================================
   Boutons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: var(--transition);
  white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; transition: transform var(--transition); }

.btn-primary {
  background: var(--color-brown);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(138, 90, 60, 0.35);
}
.btn-primary:hover {
  background: var(--color-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(42, 28, 20, 0.3);
}
.btn-primary:hover svg { transform: translateX(4px); }

.btn-outline {
  background: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-brown-light);
}
.btn-outline:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-white);
  transform: translateY(-3px);
}
.site-header:not(.scrolled) .btn-outline {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}
.site-header:not(.scrolled) .btn-outline:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-dark);
}

.btn-light {
  background: var(--color-white);
  color: var(--color-dark);
}
.btn-light:hover {
  background: var(--color-brown-light);
  transform: translateY(-3px);
}

.btn-on-dark {
  border-color: rgba(255,255,255,0.35);
  color: var(--color-white);
}
.btn-on-dark:hover {
  background: var(--color-brown-light);
  border-color: var(--color-brown-light);
  color: var(--color-dark);
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: var(--transition);
  background: transparent;
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(248, 243, 236, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 24px rgba(42,28,20,0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}
.site-header:not(.scrolled) .logo { color: var(--color-white); }

.logo span { color: var(--color-brown); }
.logo img.logo-img { height: 42px; width: auto; display: block; }
.site-header:not(.scrolled) .logo span { color: var(--color-brown-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--color-dark);
  padding: 6px 0;
  transition: color var(--transition);
}
.site-header:not(.scrolled) .nav-links a { color: var(--color-white); }

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--color-brown-light);
  transition: width var(--transition);
}
.site-header:not(.scrolled) .nav-links a::after { background: var(--color-white); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-links a:hover,
.nav-links a.active { color: var(--color-brown); }
.site-header:not(.scrolled) .nav-links a:hover,
.site-header:not(.scrolled) .nav-links a.active { color: var(--color-brown-light); }

.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-cta .btn { padding: 12px 26px; }

/* Burger */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  z-index: 1100;
}
.site-header:not(.scrolled) .nav-toggle { color: var(--color-white); }
.nav-toggle svg { width: 26px; height: 26px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle.open .icon-menu { display: none; }
.nav-toggle.open .icon-close { display: block; }
.nav-toggle.open { color: var(--color-dark) !important; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 2px, transparent 2px, transparent 46px),
    linear-gradient(135deg, var(--color-dark) 0%, #4a2e1c 55%, var(--color-brown) 100%);
  background-size: 200% 200%;
  animation: heroDrift 30s ease-in-out infinite alternate;
  overflow: hidden;
}

@keyframes heroDrift {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(217, 184, 150, 0.12);
  filter: blur(10px);
  animation: float 14s ease-in-out infinite;
}
.hero::before { width: 320px; height: 320px; top: -80px; right: -60px; }
.hero::after { width: 220px; height: 220px; bottom: -60px; left: -40px; animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.08); }
}

.hero-content { position: relative; z-index: 2; max-width: 760px; padding: 0 24px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.1s;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.25s;
}
.hero h1 span { color: var(--color-brown-light); }

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 36px;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.4s;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards 0.55s;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.scroll-cue {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,0.45);
  border-radius: 50px;
  z-index: 2;
}
.scroll-cue::before {
  content: '';
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  background: var(--color-brown-light);
  border-radius: 4px;
  animation: scrollDot 1.8s ease infinite;
}
@keyframes scrollDot {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(14px); }
  100% { opacity: 0; transform: translateY(0); }
}

/* =========================================================
   Page hero (pages internes)
   ========================================================= */
.page-hero {
  position: relative;
  padding: 200px 0 110px;
  text-align: center;
  color: var(--color-white);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 2px, transparent 2px, transparent 46px),
    linear-gradient(135deg, var(--color-dark) 0%, #4a2e1c 60%, var(--color-brown) 100%);
}
.page-hero h1 { color: var(--color-white); margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; }
.breadcrumb {
  display: flex; gap: 8px; justify-content: center;
  font-size: 0.9rem; color: var(--color-brown-light);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-white); }

/* =========================================================
   Sections génériques
   ========================================================= */
.section { padding: 100px 0; }
.section-sm { padding: 70px 0; }
.section-cream { background: var(--color-cream); }
.section-dark {
  background: linear-gradient(135deg, var(--color-dark), #3a261a);
  color: var(--color-white);
}
.section-dark h2, .section-dark h3 { color: var(--color-white); }
.section-dark p { color: rgba(255,255,255,0.75); }

.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-brown);
  margin-bottom: 14px;
}
.eyebrow::before, .eyebrow::after {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--color-brown-light);
}
.section-header h2 { margin-bottom: 14px; }
.section-header p { font-size: 1.05rem; }

/* =========================================================
   Grilles & Cartes
   ========================================================= */
.grid {
  display: grid;
  gap: 30px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 38px 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(138,90,60,0.08);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(138,90,60,0.2);
}

.icon-badge {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--color-brown-light), var(--color-brown));
  color: var(--color-white);
  margin-bottom: 22px;
  transition: var(--transition);
}
.card:hover .icon-badge { transform: rotate(-6deg) scale(1.06); }

.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.95rem; margin-bottom: 16px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-list li {
  font-size: 0.82rem;
  color: var(--color-text);
  background: var(--color-cream);
  border: 1px solid rgba(138,90,60,0.12);
  padding: 6px 14px;
  border-radius: 50px;
  transition: var(--transition);
}
.card:hover .tag-list li { border-color: rgba(138,90,60,0.3); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-brown);
}
.card-link svg { width: 16px; height: 16px; transition: transform var(--transition); }
.card:hover .card-link svg { transform: translateX(5px); }

/* Cartes "article" (Blog) */
.card-flush { padding: 0; overflow: hidden; }
.card-flush .img-placeholder { min-height: 200px; border-radius: 0; }
.card-flush .card-body { padding: 30px 32px 34px; }
.post-meta {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brown);
  margin-bottom: 12px;
}

/* =========================================================
   Listes de fonctionnalités (Pourquoi choisir)
   ========================================================= */
.feature {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.feature-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(217, 184, 150, 0.18);
  color: var(--color-brown);
}
.section-dark .feature-icon { background: rgba(217,184,150,0.15); color: var(--color-brown-light); }
.feature-icon svg { width: 22px; height: 22px; }
.feature h4 { font-size: 1.05rem; margin-bottom: 6px; color: var(--color-dark); }
.section-dark .feature h4 { color: var(--color-white); }
.feature p { font-size: 0.92rem; margin: 0; }

/* =========================================================
   Sections image + texte
   ========================================================= */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.split-text .eyebrow { margin-top: 0; }
.split-text h2 { margin-bottom: 18px; }
.split-text p { margin-bottom: 16px; }

/* =========================================================
   Placeholders d'images (en attendant les vraies photos)
   ========================================================= */
.img-placeholder {
  position: relative;
  width: 100%;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-white);
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 8px, transparent 8px, transparent 16px),
    linear-gradient(135deg, var(--color-brown), var(--color-dark));
  border-radius: var(--radius);
  text-align: center;
}
.img-placeholder .emoji { font-size: 2.6rem; }
.img-placeholder span.label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* =========================================================
   Section CTA
   ========================================================= */
.cta {
  position: relative;
  text-align: center;
  padding: 90px 0;
  color: var(--color-white);
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 2px, transparent 2px, transparent 46px),
    linear-gradient(135deg, var(--color-brown), var(--color-dark));
  overflow: hidden;
}
.cta h2 { color: var(--color-white); margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* =========================================================
   Etapes / Process
   ========================================================= */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}
.process-step { text-align: center; position: relative; }
.process-step .step-number {
  width: 60px; height: 60px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-brown-light), var(--color-brown));
  box-shadow: 0 10px 24px rgba(138,90,60,0.35);
}
.process-step h4 { margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; }
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30px; left: calc(50% + 50px);
  width: calc(100% - 100px);
  height: 2px;
  background: repeating-linear-gradient(to right, var(--color-brown-light) 0, var(--color-brown-light) 8px, transparent 8px, transparent 16px);
}

/* =========================================================
   Galerie / Réalisations
   ========================================================= */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid rgba(138,90,60,0.25);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--color-brown); color: var(--color-brown); }
.filter-btn.active { background: var(--color-brown); color: var(--color-white); border-color: var(--color-brown); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-item.hidden { display: none; }
.gallery-item .img-placeholder { position: absolute; inset: 0; min-height: 0; border-radius: 0; }
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 22px;
  background: linear-gradient(to top, rgba(26,19,16,0.85), transparent);
  color: var(--color-white);
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}
.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }
.gallery-caption h4 { color: var(--color-white); font-size: 1rem; margin-bottom: 2px; }
.gallery-caption span { font-size: 0.78rem; color: var(--color-brown-light); letter-spacing: 0.08em; text-transform: uppercase; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(26, 19, 16, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition);
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-content {
  position: relative;
  width: min(700px, 90vw);
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition);
}
.lightbox.active .lightbox-content { transform: scale(1); }
.lightbox-content .img-placeholder { position: absolute; inset: 0; min-height: 0; border-radius: 0; }
.lightbox-close {
  position: absolute;
  top: -50px; right: 0;
  color: var(--color-white);
  width: 36px; height: 36px;
}
.lightbox-close svg { width: 28px; height: 28px; }

/* =========================================================
   Formulaire de contact
   ========================================================= */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--color-dark); }
.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 14px 18px;
  border: 1.5px solid rgba(138,90,60,0.18);
  border-radius: 10px;
  background: var(--color-white);
  color: var(--color-text);
  transition: var(--transition);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brown);
  box-shadow: 0 0 0 4px rgba(138,90,60,0.1);
}

.form-message {
  padding: 16px 22px;
  border-radius: 10px;
  margin-bottom: 24px;
  font-size: 0.92rem;
  font-weight: 500;
  display: none;
}
.form-message.show { display: block; animation: fadeInUp 0.5s ease; }
.form-message.success { background: rgba(138,90,60,0.12); color: var(--color-brown); border: 1px solid rgba(138,90,60,0.3); }
.form-message.error { background: rgba(200,60,40,0.08); color: #a3402b; border: 1px solid rgba(200,60,40,0.25); }

/* =========================================================
   Infos de contact
   ========================================================= */
.contact-info-list { display: flex; flex-direction: column; gap: 24px; margin-top: 30px; }
.contact-info-item { display: flex; gap: 18px; align-items: flex-start; }
.contact-info-item .feature-icon { background: rgba(138,90,60,0.1); color: var(--color-brown); }
.contact-info-item h4 { margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 0.95rem; color: var(--color-text-light); }
.contact-info-item a:hover { color: var(--color-brown); }

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 0;
}
.map-frame iframe { width: 100%; height: 360px; border: 0; display: block; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: var(--color-white); margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; max-width: 320px; }
.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--color-brown-light); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.92rem; color: rgba(255,255,255,0.6); }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--color-brown-light); }

.social-links { display: flex; gap: 12px; margin-top: 22px; }
.social-links a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-white);
  transition: var(--transition);
}
.social-links a:hover { background: var(--color-brown-light); color: var(--color-dark); border-color: var(--color-brown-light); transform: translateY(-3px); }
.social-links svg { width: 18px; height: 18px; }

.social-links.on-light a { color: var(--color-brown); border-color: rgba(138,90,60,0.25); }
.social-links.on-light a:hover { background: var(--color-brown); color: var(--color-white); border-color: var(--color-brown); }

.footer-bottom {
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--color-brown-light); }

/* =========================================================
   Back to top
   ========================================================= */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--color-brown);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-dark); }
.back-to-top svg { width: 22px; height: 22px; }

/* =========================================================
   Reveal au scroll
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1.active { transition-delay: 0.1s; }
.reveal-delay-2.active { transition-delay: 0.2s; }
.reveal-delay-3.active { transition-delay: 0.3s; }
.reveal-delay-4.active { transition-delay: 0.4s; }
.reveal-delay-5.active { transition-delay: 0.5s; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 50px 30px; }
  .process-step:not(:last-child)::after { display: none; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: 0; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    background: linear-gradient(135deg, var(--color-dark), #3a261a);
    z-index: 1050;
  }
  .nav-links.open a { color: var(--color-white); font-size: 1.3rem; }
  .nav-links.open a::after { background: var(--color-brown-light); }
  .nav-links.open .nav-mobile-cta { margin-top: 10px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { min-height: 90vh; }
  .page-hero { padding: 150px 0 80px; }
}

@media (min-width: 769px) {
  .nav-mobile-cta { display: none; }
}