/* =========================================================
   BATILAB TECHNOLOGY — Feuille de style principale
   Couleurs : Noir #0b0b07 · Or #c9a227
   ========================================================= */

/* ── Reset & Variables ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:        #c9a227;
  --gold-light:  #e8c55a;
  --gold-dark:   #9a7a1a;
  --black:       #0b0b07;
  --surface:     #141410;
  --surface2:    #1c1c16;
  --surface3:    #232319;
  --text:        #f0ead6;
  --text-muted:  #8a8070;
  --text-dim:    #5a5448;
  --border:      rgba(201, 162, 39, 0.18);
  --serif:       'Cormorant Garamond', Georgia, serif;
  --sans:        'Jost', sans-serif;
  --wa-green:    #25D366;
}

html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; }

/* ── Navigation ────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 4rem;
  background: rgba(11, 11, 7, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
  transition: padding 0.3s, background 0.3s, box-shadow 0.3s;
}
nav.nav-scrolled {
  padding: 0.8rem 4rem;
  background: rgba(11, 11, 7, 0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 1.5rem; font-weight: 600;
  letter-spacing: 0.12em; color: var(--gold);
  text-decoration: none; text-transform: uppercase;
}
.nav-logo span {
  font-weight: 300; color: var(--text-muted);
  font-size: 0.75rem; display: block;
  letter-spacing: 0.3em; margin-top: -2px;
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.78rem; letter-spacing: 0.2em;
  text-transform: uppercase; font-weight: 400;
  transition: color 0.3s; position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 0.5px; background: var(--gold);
  transition: width 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: transparent; border: 0.5px solid var(--gold);
  color: var(--gold); padding: 0.6rem 1.5rem;
  font-family: var(--sans); font-size: 0.75rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  cursor: pointer; transition: all 0.3s;
  font-weight: 400;
}
.nav-cta:hover { background: var(--gold); color: var(--black); }

/* Hamburger */
.nav-hamburger {
  display: none; flex-direction: column;
  justify-content: center; gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none;
  cursor: pointer; padding: 4px; z-index: 201;
}
.nav-hamburger span {
  display: block; height: 1px; background: var(--gold);
  transition: transform 0.3s, opacity 0.3s, width 0.3s;
  transform-origin: center;
}
.nav-hamburger span:nth-child(2) { width: 70%; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; width: 100%; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none; position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(11, 11, 7, 0.98);
  backdrop-filter: blur(20px);
  z-index: 199; padding: 7rem 2.5rem 3rem;
  flex-direction: column; gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile ul {
  list-style: none; display: flex;
  flex-direction: column; gap: 0.2rem;
}
.nav-mobile a {
  display: block; color: var(--text-muted);
  font-family: var(--serif); font-size: 2.2rem;
  font-weight: 300; padding: 0.6rem 0;
  border-bottom: 0.5px solid var(--border);
  transition: color 0.3s;
}
.nav-mobile a:hover, .nav-mobile a.active { color: var(--gold); }
.nav-mobile .nav-mobile-cta {
  margin-top: auto; padding-top: 2rem;
}
.nav-mobile .nav-mobile-cta a {
  display: inline-block; border: 0.5px solid var(--gold);
  color: var(--gold); font-family: var(--sans);
  font-size: 0.78rem; letter-spacing: 0.2em;
  text-transform: uppercase; padding: 1rem 2.5rem;
  border-bottom: 0.5px solid var(--gold); /* override */
}
.nav-mobile .nav-mobile-cta a:hover { background: var(--gold); color: var(--black); }

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 8rem 4rem 5rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(201,162,39,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201,162,39,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  font-size: 0.7rem; letter-spacing: 0.4em; text-transform: uppercase;
  color: var(--gold); font-weight: 400; margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 1rem;
}
.hero-eyebrow::before {
  content: ''; display: inline-block;
  width: 40px; height: 0.5px; background: var(--gold);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 300; line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 900px; margin-bottom: 0.5rem;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero-tagline {
  font-family: var(--serif);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 300; font-style: italic;
  color: var(--text-muted);
  margin: 1.5rem 0 3rem;
  max-width: 560px; line-height: 1.5;
}
.hero-actions {
  display: flex; gap: 1.5rem;
  align-items: center; flex-wrap: wrap;
}
.hero-badge {
  position: absolute; right: 4rem; bottom: 4rem;
  width: 140px; height: 140px;
  border: 0.5px solid var(--border); border-radius: 50%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 1rem;
  background: var(--surface);
}
.hero-badge-icon { font-size: 1.4rem; color: var(--gold); margin-bottom: 0.3rem; }
.hero-badge-text {
  font-size: 0.55rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-muted); line-height: 1.5;
}
.hero-badge-year { font-family: var(--serif); font-size: 1.3rem; color: var(--gold); font-weight: 600; }

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary {
  background: var(--gold); color: var(--black);
  padding: 0.9rem 2.5rem; font-family: var(--sans);
  font-size: 0.78rem; letter-spacing: 0.2em;
  text-transform: uppercase; font-weight: 500;
  transition: all 0.3s; display: inline-block; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-ghost {
  color: var(--text-muted); font-size: 0.78rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 400; display: flex;
  align-items: center; gap: 0.6rem;
  transition: color 0.3s;
}
.btn-ghost:hover { color: var(--gold); }
.btn-ghost::after { content: '↓'; font-family: var(--sans); }

.btn-outline {
  background: transparent; border: 0.5px solid var(--gold);
  color: var(--gold); padding: 0.9rem 2.5rem;
  font-family: var(--sans); font-size: 0.78rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 400; transition: all 0.3s;
  display: inline-block; cursor: pointer;
}
.btn-outline:hover { background: var(--gold); color: var(--black); }

/* ── Stats / Counters ───────────────────────────────────── */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}
.stat {
  padding: 2rem 3rem;
  border-right: 0.5px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--serif);
  font-size: 2.8rem; font-weight: 300;
  color: var(--gold); line-height: 1; margin-bottom: 0.4rem;
  transition: color 0.3s;
}
.stat-label {
  font-size: 0.68rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-muted);
}

/* ── Sections base ──────────────────────────────────────── */
section { padding: 7rem 4rem; }
.section-eyebrow {
  font-size: 0.68rem; letter-spacing: 0.4em;
  text-transform: uppercase; color: var(--gold);
  font-weight: 400; margin-bottom: 1rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300; line-height: 1.1;
  margin-bottom: 1.5rem;
}
.section-sub {
  color: var(--text-muted); max-width: 560px;
  font-size: 0.95rem; line-height: 1.8;
}
.gold-line {
  width: 50px; height: 1px;
  background: var(--gold); margin: 2rem 0;
}

/* ── About ──────────────────────────────────────────────── */
.about { background: var(--surface); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6rem; align-items: center; margin-top: 4rem;
}
.about-img-frame {
  aspect-ratio: 4/5; border: 0.5px solid var(--border);
  position: relative; background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.about-img-frame::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(201,162,39,0.06) 0%, transparent 70%);
}
.about-img-frame img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s;
}
.about-img-frame:hover img { transform: scale(1.04); }
.about-img-placeholder { text-align: center; }
.about-img-icon { font-size: 4rem; color: var(--gold-dark); display: block; margin-bottom: 1rem; }
.about-img-label { font-size: 0.7rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-dim); }
.about-corner {
  position: absolute; bottom: -1px; right: -1px;
  width: 80px; height: 80px;
  border-top: 0.5px solid var(--gold);
  border-left: 0.5px solid var(--gold);
  transform: translate(1px, 1px);
}
.about-award {
  margin-top: 2.5rem; padding: 1.5rem;
  border: 0.5px solid var(--border); background: var(--surface2);
  display: flex; align-items: flex-start; gap: 1rem;
}
.award-icon { font-size: 1.8rem; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.award-label { font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.3rem; }
.award-title { font-family: var(--serif); font-size: 1rem; color: var(--text); line-height: 1.4; }

/* ── Produits ───────────────────────────────────────────── */
.products { background: var(--black); }
.products-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 4rem; }
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5px; background: var(--border);
}
.product-card {
  background: var(--surface); padding: 2.5rem;
  position: relative; overflow: hidden;
  transition: background 0.4s; cursor: default;
}
.product-card:hover { background: var(--surface2); }
.product-card.featured { grid-column: span 2; background: var(--surface2); }
.product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 1px; background: transparent; transition: background 0.4s;
}
.product-card:hover::before { background: var(--gold); }
.product-card.featured::before { background: var(--gold); }
.product-num {
  font-family: var(--serif); font-size: 3rem; font-weight: 300;
  color: var(--text-dim); line-height: 1; margin-bottom: 1.5rem;
  transition: color 0.4s;
}
.product-card:hover .product-num,
.product-card.featured .product-num { color: var(--gold-dark); }
.product-tag {
  display: inline-block; font-size: 0.6rem;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); border: 0.5px solid var(--gold);
  padding: 0.25rem 0.75rem; margin-bottom: 1rem;
}
.product-name {
  font-family: var(--serif); font-size: 1.6rem;
  font-weight: 400; line-height: 1.2;
  margin-bottom: 1rem; color: var(--text);
}
.product-desc {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 1.5rem;
}
.product-specs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.spec-pill {
  font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase;
  background: var(--surface3); color: var(--text-muted);
  padding: 0.3rem 0.7rem; border: 0.5px solid var(--border);
}
.product-link {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); display: flex; align-items: center; gap: 0.5rem;
  transition: gap 0.3s;
}
.product-link:hover { gap: 0.8rem; }
.product-visual {
  position: absolute; right: 2rem; bottom: 2rem;
  width: 100px; height: 100px;
  border: 0.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--border);
  transform: rotate(15deg); opacity: 0.4;
}

/* ── Galerie ────────────────────────────────────────────── */
.gallery { background: var(--surface); }
.gallery-header {
  display: flex; justify-content: space-between;
  align-items: flex-end; margin-bottom: 3.5rem;
  flex-wrap: wrap; gap: 1rem;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 280px;
  gap: 3px;
}
.gallery-item {
  position: relative; overflow: hidden;
  background: var(--surface2); cursor: pointer;
}
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.8rem; background: var(--surface2);
  border: 0.5px solid var(--border);
  transition: transform 0.5s ease;
}
.gallery-item-placeholder span {
  font-size: 2.2rem; color: var(--border);
}
.gallery-item-placeholder p {
  font-size: 0.65rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--text-dim);
}
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,11,7,0.85) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.4s;
  display: flex; flex-direction: column;
  justify-content: flex-end; padding: 1.5rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover .gallery-item-placeholder { transform: scale(1.04); }
.gallery-caption {
  font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text);
  margin-bottom: 0.3rem;
}
.gallery-tag {
  font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
}
.gallery-zoom {
  position: absolute; top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  border: 0.5px solid rgba(255,255,255,0.3);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.1rem;
  opacity: 0; transition: opacity 0.3s;
}
.gallery-item:hover .gallery-zoom { opacity: 1; }

/* Lightbox */
.lightbox {
  display: none; position: fixed; inset: 0;
  background: rgba(11,11,7,0.97); z-index: 500;
  align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox-inner {
  position: relative; max-width: 90vw; max-height: 90vh;
  display: flex; flex-direction: column; align-items: center;
}
.lightbox img {
  max-width: 85vw; max-height: 80vh;
  object-fit: contain; border: 0.5px solid var(--border);
}
.lightbox-caption {
  margin-top: 1rem; font-family: var(--serif);
  font-size: 1rem; color: var(--text-muted);
  text-align: center;
}
.lightbox-close {
  position: fixed; top: 2rem; right: 2rem;
  background: none; border: 0.5px solid var(--border);
  color: var(--text-muted); width: 44px; height: 44px;
  font-size: 1.4rem; cursor: pointer;
  transition: border-color 0.3s, color 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { border-color: var(--gold); color: var(--gold); }
.lightbox-prev,
.lightbox-next {
  position: fixed; top: 50%; transform: translateY(-50%);
  background: none; border: 0.5px solid var(--border);
  color: var(--text-muted); width: 48px; height: 48px;
  font-size: 1.6rem; cursor: pointer;
  transition: border-color 0.3s, color 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-prev:hover,
.lightbox-next:hover { border-color: var(--gold); color: var(--gold); }
.lightbox-counter {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-size: 0.65rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--text-dim);
}

/* ── Processus ──────────────────────────────────────────── */
.process { background: var(--surface); }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-top: 4rem;
  border: 0.5px solid var(--border);
}
.process-step {
  padding: 2.5rem 2rem;
  border-right: 0.5px solid var(--border);
  position: relative;
}
.process-step:last-child { border-right: none; }
.step-num {
  font-family: var(--serif); font-size: 3.5rem;
  font-weight: 300; color: var(--border);
  line-height: 1; margin-bottom: 1.5rem;
}
.step-title {
  font-family: var(--serif); font-size: 1.1rem;
  font-weight: 400; color: var(--text); margin-bottom: 0.8rem;
}
.step-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.7; }
.step-connector {
  position: absolute; top: 2.5rem; right: -0.6rem;
  width: 1rem; height: 0.5px; background: var(--gold); z-index: 1;
}
.process-step:last-child .step-connector { display: none; }

/* ── Témoignages ────────────────────────────────────────── */
.testimonials { background: var(--black); }
.testimonials-wrapper { position: relative; margin-top: 4rem; overflow: hidden; }
.testimonials-track {
  display: flex; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.testimonial {
  min-width: 100%; padding: 0 10%;
}
.testimonial-body {
  border: 0.5px solid var(--border); padding: 3rem;
  background: var(--surface); position: relative;
}
.testimonial-body::before {
  content: '"';
  font-family: var(--serif); font-size: 8rem;
  color: var(--border); line-height: 0;
  position: absolute; top: 3rem; left: 2.5rem;
  pointer-events: none;
}
.testimonial-text {
  font-family: var(--serif); font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300; font-style: italic;
  line-height: 1.7; color: var(--text);
  position: relative; z-index: 1;
  padding-left: 3rem;
}
.testimonial-footer {
  margin-top: 2rem; padding-left: 3rem;
  display: flex; align-items: center; gap: 1.5rem;
}
.testimonial-avatar {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--surface2); border: 0.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.2rem; color: var(--gold);
  flex-shrink: 0;
}
.testimonial-name {
  font-family: var(--serif); font-size: 1rem;
  font-weight: 400; color: var(--text); margin-bottom: 0.2rem;
}
.testimonial-info {
  font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gold);
}
.testimonials-controls {
  display: flex; align-items: center; gap: 1.5rem;
  margin-top: 2.5rem; justify-content: center;
}
.testimonial-btn {
  background: none; border: 0.5px solid var(--border);
  color: var(--text-muted); width: 44px; height: 44px;
  cursor: pointer; transition: all 0.3s; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.testimonial-btn:hover { border-color: var(--gold); color: var(--gold); }
.testimonials-dots { display: flex; gap: 0.6rem; }
.testimonial-dot {
  width: 6px; height: 6px;
  background: var(--border); cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}
.testimonial-dot.active { background: var(--gold); transform: scale(1.4); }

/* ── Contact ────────────────────────────────────────────── */
.contact { background: var(--black); position: relative; overflow: hidden; }
.contact::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 80% at 30% 50%, rgba(201,162,39,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6rem; align-items: start; margin-top: 4rem;
}
.contact-info-block { margin-bottom: 2.5rem; }
.contact-info-label {
  font-size: 0.65rem; letter-spacing: 0.35em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 0.6rem;
}
.contact-info-value {
  font-family: var(--serif); font-size: 1.3rem;
  font-weight: 300; color: var(--text); line-height: 1.5;
}
.whatsapp-cta {
  display: flex; align-items: center; gap: 1.2rem;
  background: var(--surface); border: 0.5px solid var(--border);
  padding: 1.5rem 2rem; margin-top: 2.5rem;
  text-decoration: none; color: var(--text);
  transition: border-color 0.3s, background 0.3s;
}
.whatsapp-cta:hover { border-color: var(--gold); background: var(--surface2); }
.wa-icon {
  width: 44px; height: 44px; background: #128C7E;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0; color: white;
}
.wa-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.2rem; }
.wa-num { font-family: var(--serif); font-size: 1.4rem; color: var(--gold); font-weight: 400; }

/* Formulaire */
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-size: 0.65rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--text-muted); }
.form-input, .form-textarea, .form-select {
  background: var(--surface); border: 0.5px solid var(--border);
  color: var(--text); padding: 1rem 1.2rem;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 300;
  transition: border-color 0.3s; outline: none; appearance: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--gold); }
.form-input.error, .form-textarea.error, .form-select.error { border-color: #e05050; }
.form-input.valid, .form-textarea.valid, .form-select.valid { border-color: #4a9a5a; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select option { background: var(--surface); }
.form-error {
  font-size: 0.65rem; letter-spacing: 0.1em;
  color: #e05050; display: none; margin-top: 0.2rem;
}
.form-error.visible { display: block; }
.form-submit {
  background: var(--gold); color: var(--black);
  border: none; padding: 1.1rem 2.5rem;
  font-family: var(--sans); font-size: 0.78rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  font-weight: 500; cursor: pointer;
  transition: background 0.3s; align-self: flex-start;
}
.form-submit:hover { background: var(--gold-light); }
.form-submit:disabled { opacity: 0.7; cursor: not-allowed; }
.form-notice {
  padding: 1rem 1.5rem; font-size: 0.82rem;
  display: none; border: 0.5px solid;
}
.form-notice.success {
  display: flex; align-items: center; gap: 0.8rem;
  border-color: #4a9a5a; color: #4a9a5a;
  background: rgba(74,154,90,0.05);
}
.form-notice.error-msg {
  display: flex; align-items: center; gap: 0.8rem;
  border-color: #e05050; color: #e05050;
  background: rgba(224,80,80,0.05);
}

/* ── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--surface);
  border-top: 0.5px solid var(--border);
  padding: 3rem 4rem;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1.5rem;
}
.footer-logo {
  font-family: var(--serif); font-size: 1.2rem;
  font-weight: 600; color: var(--gold);
  letter-spacing: 0.12em; text-transform: uppercase;
}
.footer-tagline {
  font-family: var(--serif); font-style: italic;
  color: var(--text-muted); font-size: 0.85rem;
}
.footer-links {
  display: flex; gap: 2rem; list-style: none;
}
.footer-links a {
  font-size: 0.65rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-dim);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: 0.65rem; letter-spacing: 0.1em; color: var(--text-dim);
}
.footer-social a {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.65rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-dim);
  border: 0.5px solid var(--border); padding: 0.5rem 1rem;
  transition: all 0.3s;
}
.footer-social a:hover { border-color: var(--gold); color: var(--gold); }

/* ── Bouton WhatsApp flottant ────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 300;
  width: 60px; height: 60px;
  background: var(--wa-green); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
  animation: wa-pulse 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  animation-play-state: paused;
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}
.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

@keyframes wa-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0   rgba(37, 211, 102, 0); }
}

/* ── Page intérieure hero ───────────────────────────────── */
.page-hero {
  min-height: 50vh; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 10rem 4rem 5rem;
  background: var(--surface); position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(201,162,39,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-back {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.68rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 2rem;
  transition: color 0.3s;
}
.page-hero-back:hover { color: var(--gold); }
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 300; line-height: 1.1;
  margin-bottom: 1rem;
}
.page-hero h1 em { font-style: italic; color: var(--gold); }
.page-hero-sub {
  font-size: 0.95rem; color: var(--text-muted);
  max-width: 600px; line-height: 1.8;
}

/* ── Page Produits — fiches ─────────────────────────────── */
.product-sheet {
  padding: 6rem 4rem; border-bottom: 0.5px solid var(--border);
}
.product-sheet:nth-child(odd) { background: var(--surface); }
.product-sheet:nth-child(even) { background: var(--black); }
.product-sheet-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: start; margin-top: 3rem;
}
.product-sheet-gallery {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3px;
}
.product-sheet-img {
  aspect-ratio: 1; overflow: hidden;
  background: var(--surface2); position: relative;
}
.product-sheet-img.main { grid-column: span 2; aspect-ratio: 16/9; }
.product-sheet-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s;
}
.product-sheet-img:hover img { transform: scale(1.06); }
.product-sheet-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.6rem; border: 0.5px solid var(--border);
}
.product-sheet-placeholder span { font-size: 2rem; color: var(--border); }
.product-sheet-placeholder p {
  font-size: 0.6rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-dim);
}
.product-sheet-content h2 {
  font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300; margin-bottom: 1.5rem;
}
.product-sheet-content h2 em { font-style: italic; color: var(--gold); }
.product-long-desc {
  font-size: 0.9rem; color: var(--text-muted);
  line-height: 1.9; margin-bottom: 2rem;
}
.product-specs-table {
  border: 0.5px solid var(--border);
  margin-bottom: 2rem;
}
.spec-row {
  display: grid; grid-template-columns: 1fr 2fr;
  border-bottom: 0.5px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-key, .spec-val {
  padding: 0.75rem 1rem; font-size: 0.82rem;
}
.spec-key {
  background: var(--surface2); font-size: 0.65rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gold); border-right: 0.5px solid var(--border);
}
.spec-val { color: var(--text-muted); }
.product-usecases { margin-bottom: 2rem; }
.product-usecases h4 {
  font-size: 0.65rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 1rem;
}
.usecase-list {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.usecase-tag {
  font-size: 0.72rem; padding: 0.4rem 1rem;
  border: 0.5px solid var(--border); color: var(--text-muted);
  background: var(--surface2);
}
.product-wa-cta {
  display: inline-flex; align-items: center; gap: 1rem;
  background: var(--wa-green); color: white;
  padding: 1rem 2rem; font-family: var(--sans);
  font-size: 0.78rem; letter-spacing: 0.15em;
  text-transform: uppercase; font-weight: 500;
  transition: background 0.3s;
}
.product-wa-cta:hover { background: #20b85a; }

/* ── Page Contact ─────────────────────────────────────────── */
.contact-page { background: var(--black); }
.contact-page-grid {
  display: grid; grid-template-columns: 1fr 1.6fr;
  gap: 5rem; margin-top: 4rem;
}
.contact-map-placeholder {
  height: 280px; background: var(--surface2);
  border: 0.5px solid var(--border); margin-top: 2.5rem;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 0.8rem;
}
.contact-map-placeholder span { font-size: 2rem; color: var(--border); }
.contact-map-placeholder p {
  font-size: 0.65rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--text-dim);
}
.faq-section { padding: 5rem 4rem; background: var(--surface); }
.faq-item {
  border-bottom: 0.5px solid var(--border); padding: 1.5rem 0;
  cursor: pointer;
}
.faq-question {
  display: flex; justify-content: space-between;
  align-items: center;
}
.faq-question span {
  font-family: var(--serif); font-size: 1.1rem; color: var(--text);
}
.faq-toggle {
  color: var(--gold); font-size: 1.2rem; transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.8; max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.open .faq-answer { max-height: 300px; padding-top: 1rem; }

/* ── Animations ─────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { animation: fadeUp 0.8s ease both; }
.hero h1      { animation: fadeUp 0.8s 0.15s ease both; }
.hero-tagline { animation: fadeUp 0.8s 0.28s ease both; }
.hero-actions { animation: fadeUp 0.8s 0.40s ease both; }
.hero-badge   { animation: fadeUp 0.8s 0.50s ease both; }

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1200px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  nav { padding: 1.25rem 2rem; }
  nav.nav-scrolled { padding: 0.8rem 2rem; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  section { padding: 5rem 2rem; }
  .hero { padding: 8rem 2rem 5rem; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 0.5px solid var(--border); }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-img-frame { aspect-ratio: 3/2; }

  .products-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: span 1; }
  .products-header { flex-direction: column; align-items: flex-start; gap: 1rem; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.wide { grid-column: span 1; }

  .process-steps { grid-template-columns: 1fr 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-page-grid { grid-template-columns: 1fr; gap: 3rem; }
  .product-sheet-grid { grid-template-columns: 1fr; gap: 3rem; }

  footer { flex-direction: column; align-items: flex-start; }
  .hero-badge { right: 2rem; bottom: 3rem; }
  .page-hero { padding: 9rem 2rem 4rem; }
  .product-sheet { padding: 4rem 2rem; }
  .faq-section { padding: 4rem 2rem; }
}
@media (max-width: 600px) {
  .process-steps { grid-template-columns: 1fr; }
  .hero-badge { display: none; }
  .hero h1 { font-size: 2.8rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.tall { grid-row: span 1; }
  .testimonial { padding: 0 1rem; }
  .testimonial-text { padding-left: 1rem; }
  .testimonial-body::before { display: none; }
  .testimonial-footer { padding-left: 1rem; }
  .product-sheet-gallery { grid-template-columns: 1fr; }
  .product-sheet-img.main { grid-column: span 1; }
  footer { padding: 2.5rem 1.5rem; }
}