/* =========================================================
   BeCraft Studio — Styles personnalisés
   Complète Tailwind CDN avec : variables, typographies,
   micro-interactions et animations.
   ========================================================= */

:root {
  /* Palette */
  --bc-black: #0F0F0F;
  --bc-charcoal: #1A1A1A;
  --bc-ink: #2A2A2A;
  --bc-white: #FFFFFF;
  --bc-cream: #FAF7F2;
  --bc-beige: #E8DFD3;
  --bc-beige-dark: #C9BFB0;
  --bc-copper: #B87333;
  --bc-copper-dark: #8C5520;
  --bc-gold: #C9A961;
  --bc-text: #2A2A2A;
  --bc-muted: #6B6B6B;
  --bc-border: #E5E0D6;

  /* Typo */
  --bc-font-display: 'Playfair Display', Georgia, serif;
  --bc-font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Reset doux */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--bc-font-body);
  color: var(--bc-text);
  background-color: var(--bc-cream);
  line-height: 1.6;
}

/* Typographies */
.font-display { font-family: var(--bc-font-display); letter-spacing: -0.01em; }
.font-body { font-family: var(--bc-font-body); }

h1, h2, h3, h4 { font-family: var(--bc-font-display); letter-spacing: -0.015em; }

/* ---------------- Couleurs utilitaires ---------------- */
.bg-bc-black { background-color: var(--bc-black); }
.bg-bc-cream { background-color: var(--bc-cream); }
.bg-bc-beige { background-color: var(--bc-beige); }
.bg-bc-copper { background-color: var(--bc-copper); }
.bg-bc-gold { background-color: var(--bc-gold); }
.text-bc-black { color: var(--bc-black); }
.text-bc-copper { color: var(--bc-copper); }
.text-bc-gold { color: var(--bc-gold); }
.text-bc-muted { color: var(--bc-muted); }
.border-bc-border { border-color: var(--bc-border); }
.border-bc-copper { border-color: var(--bc-copper); }

/* ---------------- Boutons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: 9999px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--bc-black);
  color: var(--bc-white);
}
.btn-primary:hover {
  background-color: var(--bc-copper);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(184, 115, 51, 0.5);
}

.btn-secondary {
  background-color: transparent;
  color: var(--bc-black);
  border-color: var(--bc-black);
}
.btn-secondary:hover {
  background-color: var(--bc-black);
  color: var(--bc-white);
  transform: translateY(-2px);
}

.btn-light {
  background-color: var(--bc-white);
  color: var(--bc-black);
}
.btn-light:hover {
  background-color: var(--bc-copper);
  color: var(--bc-white);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--bc-white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background-color: var(--bc-white);
  color: var(--bc-black);
  border-color: var(--bc-white);
}

/* ---------------- Header ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
  padding: 1.25rem 0;
}
.site-header.scrolled {
  background-color: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--bc-border);
  padding: 0.75rem 0;
}
.nav-link {
  position: relative;
  color: var(--bc-text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color 0.3s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background-color: var(--bc-copper);
  transition: width 0.35s ease;
}
.nav-link:hover, .nav-link.active { color: var(--bc-copper); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Header transparent (sur hero sombre) : nav + burger + bouton en clair */
.site-header:not(.scrolled) .nav-link { color: rgba(255, 255, 255, 0.92); }
.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active { color: var(--bc-gold); }
.site-header:not(.scrolled) .nav-link::after { background-color: var(--bc-gold); }
.site-header:not(.scrolled) [data-burger] { color: #fff; }
.site-header:not(.scrolled) .btn-primary {
  background-color: #fff;
  color: var(--bc-black);
}
.site-header:not(.scrolled) .btn-primary:hover {
  background-color: var(--bc-copper);
  color: #fff;
}

/* ---------------- LOGO ADAPTATIF ----------------
   .logo-mark : conteneur de taille fixe avec 2 images superposées
   en position absolute. On bascule via opacity selon le contexte.
   - Header transparent (sur hero sombre) => version BLANCHE
   - Header .scrolled (fond crème)        => version NOIRE
   - .force-light : force la version blanche (footer)
   - .force-dark  : force la version noire
*/
.logo-mark {
  position: relative;
  display: inline-block;
  width: 150px;
  height: 38px;
  flex-shrink: 0;
}
.logo-mark img {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  object-fit: contain;
  object-position: left center;
  opacity: 0;
  transition: opacity 0.35s ease;
}

/* Etats */
.site-header:not(.scrolled) .logo-mark .logo-img-light { opacity: 1; }
.site-header.scrolled       .logo-mark .logo-img-dark  { opacity: 1; }
.logo-mark.force-light .logo-img-light { opacity: 1; }
.logo-mark.force-dark  .logo-img-dark  { opacity: 1; }

/* Tailles responsive */
@media (max-width: 640px) {
  .logo-mark { width: 120px; height: 32px; }
}

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: var(--bc-cream);
  z-index: 49;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  font-family: var(--bc-font-display);
  font-size: 1.75rem;
  color: var(--bc-black);
}
.mobile-menu a:hover { color: var(--bc-copper); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(15,15,15,0.55) 0%, rgba(15,15,15,0.75) 100%),
    url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
  color: var(--bc-white);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bc-gold);
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before {
  content: ''; width: 2.5rem; height: 1px; background: var(--bc-gold);
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 1.05;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--bc-gold);
  font-weight: 400;
}
.hero p.subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
}

/* Hero alternatif (services, gallery, contact) */
.page-hero {
  position: relative;
  padding: 10rem 0 5rem;
  background: var(--bc-black);
  color: var(--bc-white);
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(184,115,51,0.18) 0%, transparent 50%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.page-hero p {
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  font-size: 1.05rem;
}

/* ---------------- Sections génériques ---------------- */
section { padding: 6rem 0; }
@media (max-width: 768px) { section { padding: 4rem 0; } }

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bc-copper);
  margin-bottom: 1rem;
  font-weight: 500;
}
.section-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--bc-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------------- Cartes produits ---------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--bc-white);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--bc-border);
  transition: transform 0.5s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.5s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 50px -20px rgba(0,0,0,0.15);
}
.product-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bc-beige);
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1);
}
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-body { padding: 1.25rem 1.5rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-card-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.product-card-price {
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--bc-copper);
  font-weight: 600;
}
.product-card-price small { color: var(--bc-muted); font-weight: 400; font-size: 0.8rem; }

/* ---------------- Pourquoi nous ---------------- */
.feature-card {
  padding: 2rem 1.75rem;
  background: var(--bc-white);
  border-radius: 1rem;
  border: 1px solid var(--bc-border);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -25px rgba(184,115,51,0.35);
}
.feature-icon {
  width: 3rem; height: 3rem;
  border-radius: 0.75rem;
  background: var(--bc-beige);
  color: var(--bc-copper);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.feature-icon svg { width: 1.5rem; height: 1.5rem; }
.feature-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.95rem; color: var(--bc-muted); }

/* ---------------- CTA bannière ---------------- */
.cta-banner {
  background: var(--bc-black);
  color: var(--bc-white);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(184,115,51,0.2) 0%, transparent 70%);
  top: -300px; right: -150px;
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--bc-black);
  color: rgba(255,255,255,0.7);
  padding: 5rem 0 2rem;
}
.site-footer h4 {
  color: var(--bc-white);
  font-family: var(--bc-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.site-footer a {
  color: rgba(255,255,255,0.7);
  transition: color 0.25s;
  font-size: 0.95rem;
}
.site-footer a:hover { color: var(--bc-copper); }
.footer-social {
  display: inline-flex;
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  align-items: center; justify-content: center;
  transition: all 0.3s;
}
.footer-social:hover {
  background: var(--bc-copper);
  border-color: var(--bc-copper);
  color: white !important;
  transform: translateY(-2px);
}

/* ---------------- WhatsApp flottant ---------------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 40;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,0.55);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 18px 40px -8px rgba(37,211,102,0.7);
}
.whatsapp-float svg { width: 1.75rem; height: 1.75rem; }

/* ---------------- Onglets services ---------------- */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
  background: var(--bc-white);
  padding: 0.5rem;
  border-radius: 9999px;
  border: 1px solid var(--bc-border);
  max-width: max-content;
  margin-left: auto;
  margin-right: auto;
}
.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--bc-muted);
  background: transparent;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.tab-btn:hover { color: var(--bc-black); }
.tab-btn.active {
  background: var(--bc-black);
  color: var(--bc-white);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.5s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bc-white);
  border-radius: 1.5rem;
  padding: 3rem;
  border: 1px solid var(--bc-border);
}
@media (max-width: 900px) { .service-card { grid-template-columns: 1fr; padding: 1.5rem; gap: 1.5rem; } }
.service-card .image {
  aspect-ratio: 4 / 3;
  border-radius: 1rem;
  overflow: hidden;
  background: var(--bc-beige);
}
.service-card .image img { width: 100%; height: 100%; object-fit: cover; }
.service-card h3 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 1rem;
}
.service-price {
  display: inline-block;
  background: var(--bc-beige);
  color: var(--bc-copper);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.service-meta {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
  font-size: 0.95rem;
}
.service-meta strong { color: var(--bc-black); font-weight: 600; }

.indicative-note {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: var(--bc-beige);
  border-left: 3px solid var(--bc-copper);
  border-radius: 0.5rem;
  font-size: 0.9rem;
  color: var(--bc-text);
  font-style: italic;
}

/* ---------------- Galerie ---------------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  border: 1px solid var(--bc-border);
  background: transparent;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--bc-text);
  cursor: pointer;
  transition: all 0.3s;
}
.filter-btn:hover { border-color: var(--bc-black); }
.filter-btn.active {
  background: var(--bc-black);
  color: var(--bc-white);
  border-color: var(--bc-black);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  background: var(--bc-beige);
  aspect-ratio: 1 / 1;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.3s;
}
.gallery-item.hidden { display: none; }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  color: white;
  opacity: 0;
  transition: opacity 0.4s;
}
.gallery-item:hover .overlay { opacity: 1; }
.gallery-item .overlay h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.gallery-item .overlay span { font-size: 0.8rem; color: var(--bc-gold); letter-spacing: 0.1em; text-transform: uppercase; }

/* Masonry variants - tall items */
.gallery-item.tall { aspect-ratio: 3 / 4; }
.gallery-item.wide { aspect-ratio: 4 / 3; }

/* ---------------- Formulaire contact ---------------- */
.form-field { margin-bottom: 1.25rem; }
.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--bc-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--bc-border);
  border-radius: 0.65rem;
  background: var(--bc-white);
  font-family: var(--bc-font-body);
  font-size: 0.95rem;
  color: var(--bc-text);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--bc-copper);
  box-shadow: 0 0 0 4px rgba(184,115,51,0.12);
}
.form-field textarea { resize: vertical; min-height: 140px; }

.contact-info-card {
  background: var(--bc-white);
  border: 1px solid var(--bc-border);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-info-card .icon {
  flex-shrink: 0;
  width: 2.75rem; height: 2.75rem;
  border-radius: 0.65rem;
  background: var(--bc-beige);
  color: var(--bc-copper);
  display: flex; align-items: center; justify-content: center;
}
.contact-info-card h4 {
  font-family: var(--bc-font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bc-muted);
  margin-bottom: 0.35rem;
}
.contact-info-card p, .contact-info-card a {
  font-size: 1rem;
  color: var(--bc-text);
  font-weight: 500;
}
.contact-info-card a:hover { color: var(--bc-copper); }

/* ---------------- Animations scroll ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.2,0.8,0.2,1), transform 0.8s cubic-bezier(0.2,0.8,0.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------------- Utilitaires ---------------- */
.container-bc {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) {
  .container-bc { padding: 0 2.5rem; }
}

.divider-line {
  width: 60px;
  height: 2px;
  background: var(--bc-copper);
  margin: 0 auto 1.5rem;
}