/* ─── TOKENS ──────────────────────────────────────────────────────────────── */
:root {
  --black:      #080808;
  --charcoal:   #141414;
  --dark:       #1e1e1e;
  --cream:      #f7f5f0;
  --white:      #ffffff;
  --text:       #1a1a1a;
  --muted:      #888888;
  --light-muted:#bbbbbb;
  --gold:       #c9a84c;
  --gold-light: #f0d080;
  --gold-dark:  #8a6020;
  --gold-grad:  linear-gradient(135deg, #f0d070 0%, #c9a84c 45%, #9a7030 100%);
  --black-grad: linear-gradient(160deg, #000000 0%, #0d0d0d 55%, #110e02 100%);
  --gold-soft:  rgba(201,168,76,0.10);
  --gold-border:rgba(201,168,76,0.25);
  --line-dark:  rgba(255,255,255,0.08);
  --line-light: rgba(0,0,0,0.08);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, 'Segoe UI', system-ui, sans-serif;
  --radius: 0px;
}

/* ─── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--cream); color: var(--text); overflow-x: hidden; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; color: transparent; }
.product-img-wrap, .proj-img-wrap, .gallery-item, .liv-products { background: var(--cream); }

/* ─── UTILITIES ──────────────────────────────────────────────────────────── */
.gold-text { background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.gold-line { height: 1px; background: var(--gold-grad); border: none; margin: 0; }

/* ─── NAV ─────────────────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 60px; background: transparent; transition: background 0.4s, padding 0.4s;
}
nav.scrolled {
  background: rgba(8,8,8,0.96); backdrop-filter: blur(12px);
  padding: 14px 60px; border-bottom: 1px solid var(--line-dark);
}
nav.dark-nav {
  background: rgba(8,8,8,0.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-dark);
}
.nav-logo img { height: 32px; filter: brightness(0) invert(1); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.7); transition: color 0.2s; cursor: pointer;
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-badge {
  font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  margin-top: 16px; background: rgba(8,8,8,0.98); backdrop-filter: blur(12px);
  border: 1px solid var(--line-dark); border-top: 2px solid var(--gold);
  min-width: 200px; padding: 8px 0;
}
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 10px 20px;
  font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,0.6); transition: color 0.2s, background 0.2s;
}
.nav-dropdown-menu a:hover { color: var(--gold); background: rgba(201,168,76,0.05); }
.nav-dropdown-menu a.active { color: var(--gold); }

/* ─── BOUTON SON ─────────────────────────────────────────────────────────── */
.audio-toggle {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  display: none; /* visible seulement après le clic sur l'overlay */
  align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: rgba(8,8,8,0.75); backdrop-filter: blur(8px);
  border: 1px solid var(--gold-border); border-radius: 50%;
  color: rgba(255,255,255,0.7); cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.audio-toggle:hover {
  background: rgba(201,168,76,0.15); border-color: var(--gold); color: var(--gold);
}
.audio-toggle.visible { display: flex; }

/* ─── INTRO OVERLAY ──────────────────────────────────────────────────────── */
.intro-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--black);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px;
  cursor: pointer; transition: opacity 0.7s ease;
}
.intro-overlay.hide { opacity: 0; pointer-events: none; }
.intro-logo img { height: 52px; filter: brightness(0) invert(1); opacity: 0.65; }
.intro-line { width: 1px; height: 60px; background: var(--gold-grad); }
.intro-cta {
  font-family: var(--serif); font-size: clamp(22px, 4vw, 40px);
  font-weight: 300; color: var(--white); letter-spacing: -0.5px;
  text-align: center; line-height: 1.3;
}
.intro-cta em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.intro-hint {
  font-size: 10px; letter-spacing: 4px; text-transform: uppercase;
  color: rgba(255,255,255,0.25); margin-top: 8px;
  animation: hint-pulse 2s ease-in-out infinite;
}
.intro-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); animation: hint-pulse 2s ease-in-out infinite; }
@keyframes hint-pulse { 0%, 100% { opacity: 0.25; } 50% { opacity: 0.7; } }

/* ─── HERO ────────────────────────────────────────────────────────────────── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.35) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 120px 60px 80px; max-width: 1200px; margin: 0 auto; width: 100%; }
.hero-eyebrow { font-size: 10px; letter-spacing: 4px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.hero-brand { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 24px; }
.hero-title { font-family: var(--serif); font-size: clamp(42px, 7vw, 80px); font-weight: 300; color: var(--white); line-height: 1.08; letter-spacing: -1px; margin-bottom: 24px; }
.hero-title em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 15px; color: rgba(255,255,255,0.65); max-width: 580px; line-height: 1.85; margin-bottom: 40px; }
.hero-meta { display: flex; gap: 48px; }
.hero-meta-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 4px; }
.hero-meta-value { font-family: var(--serif); font-size: 15px; color: var(--white); }
.hero-meta-value em { font-style: normal; color: var(--gold); }
.hero-dots { position: absolute; bottom: 36px; right: 60px; z-index: 3; display: flex; gap: 10px; }
.hero-dot { width: 20px; height: 2px; background: rgba(255,255,255,0.25); cursor: pointer; transition: background 0.3s; }
.hero-dot.active { background: var(--gold); width: 40px; }

/* ─── PAGE HERO (inner pages) ─────────────────────────────────────────────── */
.page-hero {
  position: relative; padding: 160px 60px 80px;
  background: var(--black-grad); overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--gold-grad);
}
.page-hero-inner { max-width: 1200px; margin: 0 auto; }
.page-eyebrow { font-size: 10px; letter-spacing: 4px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.page-title { font-family: var(--serif); font-size: clamp(36px, 5vw, 64px); font-weight: 300; color: var(--white); line-height: 1.1; letter-spacing: -0.5px; }
.page-title em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.page-sub { font-size: 15px; color: rgba(255,255,255,0.5); max-width: 600px; line-height: 1.8; margin-top: 20px; }

/* ─── TICKER ──────────────────────────────────────────────────────────────── */
.ticker-band { background: var(--black); overflow: hidden; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.ticker-track { display: flex; }
.ticker-items { display: flex; align-items: center; animation: ticker-scroll 32s linear infinite; white-space: nowrap; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.ticker-item { display: flex; align-items: center; gap: 12px; padding: 16px 36px; }
.ticker-label { font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; color: rgba(255,255,255,0.28); }
.ticker-value { font-family: var(--serif); font-size: 14px; color: var(--white); }
.ticker-sep { color: var(--gold); font-size: 8px; }

/* ─── SECTION BASE ────────────────────────────────────────────────────────── */
section { padding: 100px 60px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-eyebrow { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 16px; }
.section-title { font-family: var(--serif); font-size: clamp(28px, 4vw, 48px); font-weight: 300; color: var(--black); line-height: 1.15; letter-spacing: -0.5px; margin-bottom: 20px; }
.section-title em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-sub { font-size: 15px; color: var(--muted); max-width: 640px; line-height: 1.85; margin-bottom: 0; }

/* ─── PROBLEME → HISTOIRE ────────────────────────────────────────────────── */
.probleme { background: var(--cream); }
.prob-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; margin-top: 56px; align-items: start; }
.prob-visual {
  aspect-ratio: 3/4; background: var(--black-grad);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.prob-visual::before { content: ''; position: absolute; inset: 0; background: var(--gold-soft); }
.prob-visual-inner { text-align: center; position: relative; z-index: 1; }
.prob-visual-num { font-family: var(--serif); font-size: 80px; font-weight: 300; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.prob-visual-label { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-top: 12px; }
.prob-visual-sub { font-size: 12px; color: rgba(255,255,255,0.2); margin-top: 8px; font-style: italic; }
.prob-quote { border-left: 2px solid var(--gold); padding-left: 20px; margin-bottom: 28px; }
.prob-quote p { font-family: var(--serif); font-size: 18px; font-weight: 300; font-style: italic; color: var(--black); line-height: 1.55; }
.prob-quote cite { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block; margin-top: 10px; }
.prob-text p { font-size: 15px; color: var(--muted); line-height: 1.85; margin-bottom: 16px; }
.prob-text p strong { color: var(--black); font-weight: 600; }
.prob-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; padding-top: 36px; border-top: 1px solid var(--line-light); }
.stat-num { font-family: var(--serif); font-size: 32px; font-weight: 300; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-top: 4px; }

/* ─── IMG SCENE (sticky scroll plein écran) ──────────────────────────────── */
.img-scene { position: relative; }
.img-sticky { position: sticky; top: 0; height: 100vh; width: 100%; overflow: hidden; }
.img-sticky img { width: 100%; height: 100%; object-fit: cover; }
/* Les sections ont un fond opaque et se glissent par-dessus l'image sticky */
.img-scene > section { position: relative; z-index: 1; }

/* ─── LIVRABLES → COLLECTIONS ────────────────────────────────────────────── */
.livrables { background: var(--white); }
.liv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 56px; background: var(--cream); }
.liv-card { background: var(--cream); padding: 40px 36px; display: flex; flex-direction: column; transition: background 0.2s; }
.liv-card:hover { background: var(--white); }
.liv-num { font-family: var(--serif); font-size: 52px; font-weight: 300; color: rgba(0,0,0,0.06); line-height: 0.9; margin-bottom: 16px; }
.liv-label { font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.liv-title { font-family: var(--serif); font-size: 22px; font-weight: 300; color: var(--black); margin-bottom: 14px; line-height: 1.2; }
.liv-title em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.liv-delay { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.liv-divider { height: 1px; background: var(--gold-grad); margin-bottom: 20px; }
.liv-body { flex: 1; margin-bottom: 20px; }
.liv-body p { font-size: 13px; color: var(--muted); line-height: 1.85; margin-bottom: 12px; }
.liv-body p strong { color: var(--black); }
.liv-inclus { padding-top: 16px; border-top: 1px solid var(--line-light); margin-top: auto; }
.liv-inclus-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.liv-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.liv-tag { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; padding: 5px 10px; border: 1px solid var(--gold-border); color: var(--muted); background: var(--gold-soft); }
.liv-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 16px; }
.liv-product-img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(10%); transition: filter 0.3s; }
.liv-product-img:hover { filter: grayscale(0%); }
.liv-cta { display: inline-block; margin-top: 20px; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; border-bottom: 1px solid var(--gold-border); padding-bottom: 2px; transition: border-color 0.2s; }
.liv-cta:hover { border-color: var(--gold); }

/* ─── DEEP → VALEURS ─────────────────────────────────────────────────────── */
.deep { background: var(--black-grad); padding: 100px 60px; }
.deep .section-title { color: var(--white); }
.deep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-top: 56px; }
.deep-text p { font-size: 16px; color: rgba(255,255,255,0.72); margin-bottom: 18px; line-height: 1.85; }
.deep-text p strong { background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 600; }
.deep-card { background: rgba(255,255,255,0.03); border: 1px solid var(--gold-border); padding: 40px 36px; border-top: 3px solid var(--gold); }
.deep-card-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 20px; }
.deep-card-quote { font-family: var(--serif); font-size: 22px; font-weight: 300; font-style: italic; color: var(--white); line-height: 1.55; margin-bottom: 20px; }
.deep-card-quote em { background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.deep-card-sub { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.75; }

/* ─── PHASE 1 → ARCHITECTURAUX ───────────────────────────────────────────── */
.phase1 { background: var(--cream); }
.phase-header { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-bottom: 60px; align-items: start; }
.phase-intro p { font-size: 15px; color: var(--muted); line-height: 1.85; margin-bottom: 16px; }
.phase-intro p strong { color: var(--black); }
.phase-pill { display: inline-flex; align-items: center; gap: 10px; background: var(--gold-soft); border: 1px solid var(--gold-border); padding: 10px 20px; margin-top: 8px; }
.phase-pill-text { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.deliverables-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--cream); }
.del-card { background: var(--white); padding: 36px 32px; display: flex; gap: 24px; transition: background 0.2s; }
.del-card:hover { background: #fafaf8; }
.del-num { font-family: var(--serif); font-size: 48px; font-weight: 300; color: rgba(0,0,0,0.07); line-height: 0.9; flex-shrink: 0; width: 56px; }
.del-title { font-family: var(--serif); font-size: 17px; font-weight: 400; color: var(--black); margin-bottom: 6px; line-height: 1.3; }
.del-desc { font-size: 13px; color: var(--muted); line-height: 1.75; }
.del-full { grid-column: 1 / -1; }

/* ─── MÉTHODO → ZELLIGE ──────────────────────────────────────────────────── */
.methodo { background: var(--white); padding: 100px 60px; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin-top: 56px; background: var(--cream); }
.step-card { background: var(--cream); padding: 36px 28px; }
.step-num { font-family: var(--serif); font-size: 52px; font-weight: 300; color: rgba(0,0,0,0.06); line-height: 0.9; margin-bottom: 16px; }
.step-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 10px; }
.step-title { font-family: var(--serif); font-size: 16px; font-weight: 400; color: var(--black); margin-bottom: 12px; line-height: 1.3; }
.step-list { list-style: none; padding: 0; }
.step-list li { font-size: 12px; color: var(--muted); line-height: 1.7; padding-left: 12px; position: relative; margin-bottom: 4px; }
.step-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }

/* ─── PROJETS ─────────────────────────────────────────────────────────────── */
.tableau { background: var(--cream); }
.proj-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 56px; background: var(--cream); }
.proj-card { background: var(--white); overflow: hidden; transition: background 0.2s; }
.proj-img-wrap { overflow: hidden; }
.proj-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(15%); transition: filter 0.4s, transform 0.5s; }
.proj-card:hover .proj-img { filter: grayscale(0%); transform: scale(1.04); }
.proj-info { padding: 28px 32px; }
.proj-cat { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 8px; }
.proj-name { font-family: var(--serif); font-size: 20px; color: var(--black); margin-bottom: 6px; }
.proj-location { font-size: 12px; color: var(--muted); }
.proj-desc { font-size: 13px; color: var(--muted); line-height: 1.8; margin-top: 10px; }
.proj-link { display: inline-block; margin-top: 14px; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; border-bottom: 1px solid var(--gold-border); padding-bottom: 2px; transition: border-color 0.2s; }
.proj-link:hover { border-color: var(--gold); }
.proj-featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
.proj-featured .proj-img { aspect-ratio: 16/8; }
.proj-featured .proj-info { display: flex; flex-direction: column; justify-content: center; padding: 48px 44px; }
.proj-featured .proj-name { font-size: 26px; }

/* ─── PRODUCT GRID ────────────────────────────────────────────────────────── */
.products-section { background: var(--cream); padding: 80px 60px; }
.products-intro { max-width: 1200px; margin: 0 auto 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.products-intro-text p { font-size: 15px; color: var(--muted); line-height: 1.85; margin-bottom: 16px; }
.products-intro-text p strong { color: var(--black); }
.products-intro-aside { }
.product-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--cream); }
.product-card { background: var(--white); overflow: hidden; transition: background 0.2s; }
.product-card:hover { background: #fafaf8; }
.product-img-wrap { overflow: hidden; }
.product-img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(10%); transition: filter 0.5s, transform 0.5s; }
.product-card:hover .product-img { filter: grayscale(0%); transform: scale(1.05); }
.product-info { padding: 24px 28px 28px; border-top: 1px solid var(--line-light); }
.product-name { font-family: var(--serif); font-size: 16px; color: var(--black); margin-bottom: 8px; line-height: 1.3; }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.product-tag { font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 8px; border: 1px solid var(--gold-border); color: var(--muted); background: var(--gold-soft); }

/* ─── GALERIE PROJETS (full width) ───────────────────────────────────────── */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px; background: var(--cream); }
.gallery-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(15%); transition: filter 0.4s, transform 0.5s; display: block; }
.gallery-img:hover { filter: grayscale(0%); transform: scale(1.03); }
.gallery-item { background: var(--white); overflow: hidden; }

/* ─── CONDITIONS → CSR ────────────────────────────────────────────────────── */
.conditions { background: var(--cream); }
.cond-card { background: var(--white); padding: 64px 56px; max-width: 960px; border-left: 3px solid var(--gold); margin-top: 48px; }
.cond-item { margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--line-light); }
.cond-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.cond-lead { font-family: var(--serif); font-size: 18px; color: var(--black); font-weight: 400; font-style: italic; margin-bottom: 8px; line-height: 1.4; }
.cond-lead em { background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-style: normal; font-weight: 600; }
.cond-desc { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ─── CTA BLOCK ──────────────────────────────────────────────────────────── */
.cta-block { margin-top: 60px; padding: 48px; background: var(--black-grad); display: flex; align-items: center; justify-content: space-between; gap: 40px; max-width: 1200px; }
.cta-text { font-family: var(--serif); font-size: 24px; font-weight: 300; color: var(--white); line-height: 1.4; }
.cta-text em { font-style: italic; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cta-sub { font-size: 13px; color: rgba(255,255,255,0.45); margin-top: 8px; }
.btn-gold { display: block; background: var(--gold-grad); color: var(--black); font-weight: 700; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; padding: 16px 36px; text-align: center; transition: opacity 0.2s; flex-shrink: 0; }
.btn-gold:hover { opacity: 0.85; }
.btn-outline { display: block; border: 1px solid var(--gold-border); color: var(--gold); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; padding: 14px 36px; text-align: center; transition: border-color 0.2s; }
.btn-outline:hover { border-color: var(--gold); }

/* ─── CONTACT FORM ────────────────────────────────────────────────────────── */
.contact-section { background: var(--white); padding: 100px 60px; }
.contact-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-top: 56px; }
.contact-info { }
.contact-info-item { margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--line-light); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-label { font-size: 9px; letter-spacing: 3px; text-transform: uppercase; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 8px; }
.contact-info-value { font-family: var(--serif); font-size: 20px; color: var(--black); }
.contact-info-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.contact-form { }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form-input {
  width: 100%; background: var(--cream); border: 1px solid var(--line-light);
  border-bottom: 1px solid rgba(0,0,0,0.15); padding: 14px 16px;
  font-family: var(--sans); font-size: 14px; color: var(--text);
  transition: border-color 0.2s; outline: none;
}
.form-input:focus { border-color: var(--gold); }
textarea.form-input { resize: vertical; min-height: 140px; }
.form-submit {
  width: 100%; background: var(--gold-grad); color: var(--black);
  font-weight: 700; font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  padding: 18px; border: none; cursor: pointer; transition: opacity 0.2s; font-family: var(--sans);
}
.form-submit:hover { opacity: 0.85; }

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer { background: var(--black-grad); padding: 60px; }
.sig-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; align-items: start; }
.sig-logo img { height: 32px; filter: brightness(0) invert(1); opacity: 0.65; margin-bottom: 16px; }
.sig-tagline { font-size: 11px; letter-spacing: 2px; color: rgba(255,255,255,0.3); margin-top: 6px; text-transform: uppercase; }
.sig-desc { font-size: 13px; color: rgba(255,255,255,0.28); margin-top: 16px; line-height: 1.8; }
.sig-col-title { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.sig-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.38); margin-bottom: 8px; transition: color 0.2s; }
.sig-col a:hover { color: var(--gold); }
.sig-contact { display: flex; flex-direction: column; gap: 10px; }
.sig-contact a { font-size: 13px; color: var(--light-muted); transition: color 0.2s; }
.sig-contact a:hover { color: var(--gold); }
.sig-contact a.gold { color: var(--gold); }
.sig-social { display: flex; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.sig-social a { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.25); transition: color 0.2s; }
.sig-social a:hover { color: var(--gold); }
.sig-legal { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.15); text-align: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line-dark); max-width: 1200px; margin-left: auto; margin-right: auto; }

/* ─── HAMBURGER ──────────────────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px;
  background: none; border: none; cursor: pointer; padding: 4px; z-index: 200;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile plein écran */
.mobile-menu {
  display: none;
  position: fixed; inset: 0; z-index: 150;
  background: rgba(8,8,8,0.98); backdrop-filter: blur(12px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a, .mobile-menu span {
  font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: rgba(255,255,255,0.7); padding: 14px 0; cursor: pointer;
  transition: color 0.2s;
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--gold); }
.mobile-menu .mobile-sep { width: 1px; height: 32px; background: var(--gold-border); margin: 4px 0; }
.mobile-menu .mobile-sub {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark);
  padding: 12px 0; width: 200px;
}
.mobile-menu .mobile-sub a { font-size: 11px; padding: 8px 0; color: rgba(255,255,255,0.5); }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  nav, nav.scrolled { padding-left: 24px; padding-right: 24px; }
  .nav-links, .nav-badge { display: none; }
  .nav-hamburger { display: flex; }
  /* CTA pleine largeur — écrase le padding inline des sections */
  section:has(.cta-block) { padding-left: 0 !important; padding-right: 0 !important; padding-top: 0 !important; padding-bottom: 0 !important; }
  .cta-block { margin-top: 0; }
  section, .deep, .methodo, .products-section, .contact-section, footer { padding: 64px 24px; }
  .page-hero { padding: 120px 24px 60px; }
  .hero { padding: 110px 24px 64px 24px; }
  .hero-inner { padding: 0; }
  .img-sticky { position: relative; height: 60vw; }
  .prob-grid, .deep-grid, .phase-header, .contact-grid { grid-template-columns: 1fr; gap: 36px; margin-top: 40px; }
  .liv-grid, .deliverables-grid, .products-intro { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .proj-featured { grid-template-columns: 1fr; grid-column: 1; }
  .cta-block { flex-direction: column; gap: 28px; padding: 36px 28px; max-width: 100%; }
  .sig-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cond-card { padding: 32px 24px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  section, .deep, .methodo { padding: 52px 20px; }
  .hero { min-height: 100svh; }
  .hero-inner { padding: 90px 20px 52px; }
  .hero-meta { flex-wrap: wrap; gap: 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-block { padding: 24px 20px; }
  .cta-text { font-size: 18px; }
  .sig-inner { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
}