/* ============================================================
   DA Couverture Zinguerie — style.css
   Couleurs : noir #1C1C1B · or #C9A227 · blanc cassé #F0EBE0
   ============================================================ */

:root {
  --black:       #1C1C1B;
  --black-soft:  #232322;
  --black-card:  #272726;
  --black-border:#333331;
  --gold:        #C9A227;
  --gold-light:  #E2B93B;
  --gold-dark:   #A8871E;
  --white:       #FFFFFF;
  --off-white:   #F0EBE0;
  --grey:        #8A8880;
  --grey-light:  #B8B5AF;
  --shadow-gold: rgba(201,162,39,0.15);
  --radius:      2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Barlow', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--off-white);
  background: var(--black);
  overflow-x: hidden;
}

h1, h2, h3 { font-family: 'Playfair Display', serif; line-height: 1.15; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ── UTILITAIRES ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

.label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold);
}

.gold-line {
  display: block; width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  margin: 0.6rem 0;
}
.gold-line.center { margin: 0.6rem auto; }

/* ── BOUTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.75rem; border-radius: var(--radius);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  text-decoration: none; transition: all 0.2s;
  cursor: pointer; border: none;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  color: var(--black);
}
.btn-gold:hover { filter: brightness(1.12); }
.btn-outline { background: transparent; color: var(--gold); border: 1.5px solid var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--black); }

/* ── REVEAL ANIMATION ── */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.55s ease, transform 0.55s ease; }
[data-reveal].visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════
   HEADER / NAV
   ══════════════════════════════════════════════ */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(28,28,27,0.97);
  backdrop-filter: blur(10px);
}
header::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
nav {
  max-width: 1280px; margin: 0 auto; padding: 0 2rem;
  height: 76px; display: flex; align-items: center;
  justify-content: space-between; gap: 2rem;
}
.logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.logo img { height: 54px; width: auto; object-fit: contain; }

.nav-links { display: flex; align-items: center; gap: 2.25rem; list-style: none; }
.nav-links a {
  color: var(--grey-light); text-decoration: none;
  font-size: 0.8rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  transition: color 0.2s; position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; 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 { display: flex; align-items: center; gap: 1.25rem; flex-shrink: 0; }
.nav-phone { color: var(--grey-light); text-decoration: none; font-size: 0.88rem; transition: color 0.2s; }
.nav-phone:hover { color: var(--gold); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--gold); transition: transform 0.2s, opacity 0.2s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none; position: fixed; top: 76px; left: 0; right: 0;
  background: var(--black-soft); border-bottom: 1px solid var(--gold);
  padding: 1.5rem 2rem; z-index: 999; flex-direction: column; gap: 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--grey-light); text-decoration: none; font-size: 0.95rem;
  padding: 0.75rem 0; border-bottom: 1px solid var(--black-border);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--gold); }
.mobile-nav .mobile-phone { color: var(--gold); font-weight: 600; border-bottom: none; padding-top: 1rem; }

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */
#accueil {
  min-height: 100vh; background: var(--black);
  display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 76px;
}
#accueil::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(-55deg,
    rgba(201,162,39,0.02) 0px, rgba(201,162,39,0.02) 1px,
    transparent 1px, transparent 12px);
  pointer-events: none;
}
#accueil::after {
  content: ''; position: absolute; top: -15%; left: -10%;
  width: 55%; height: 60%;
  background: radial-gradient(ellipse, rgba(201,162,39,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.hero-content {
  position: relative; max-width: 1280px; margin: 0 auto;
  padding: 5rem 2rem; display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem; align-items: center; width: 100%; z-index: 1;
}
.hero-left { display: flex; flex-direction: column; gap: 1.5rem; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(201,162,39,0.07);
  border: 1px solid rgba(201,162,39,0.3);
  border-radius: 1px; padding: 0.45rem 1rem; width: fit-content;
}
.hero-badge span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 700;
}
.hero-title { font-size: clamp(2.4rem, 4.5vw, 4rem); font-weight: 900; color: var(--white); line-height: 1.08; }
.hero-title em { font-style: normal; color: var(--gold); }
.hero-sub { font-size: 1.05rem; color: var(--grey-light); max-width: 500px; font-weight: 300; line-height: 1.8; }
.hero-sub strong { color: var(--off-white); font-weight: 500; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 0.25rem; }
.hero-stats {
  display: flex; gap: 2.5rem;
  border-top: 1px solid var(--black-border);
  padding-top: 1.75rem; margin-top: 0.5rem;
}
.stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2.2rem; font-weight: 900; color: var(--gold); line-height: 1; }
.stat-label { font-size: 0.72rem; color: var(--grey); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }

.hero-card {
  background: var(--black-card); border: 1px solid var(--black-border);
  border-top: 2px solid var(--gold); border-radius: 3px;
  padding: 2.5rem; display: flex; flex-direction: column; gap: 1.75rem;
}
.hero-card-logo { display: flex; justify-content: center; padding-bottom: 1.25rem; border-bottom: 1px solid var(--black-border); }
.hero-card-logo img { height: 90px; width: auto; object-fit: contain; }
.artisan-list { display: flex; flex-direction: column; gap: 1.1rem; }
.artisan-item { display: flex; align-items: center; gap: 1rem; }
.artisan-avatar {
  width: 50px; height: 50px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 1.05rem;
  color: var(--black); font-weight: 900; flex-shrink: 0;
}
.artisan-info { display: flex; flex-direction: column; }
.artisan-name { color: var(--white); font-weight: 600; font-size: 0.95rem; }
.artisan-role { color: var(--grey); font-size: 0.78rem; }
.hero-certifs { display: flex; flex-direction: column; gap: 0.6rem; border-top: 1px solid var(--black-border); padding-top: 1.25rem; }
.certif-item { display: flex; align-items: center; gap: 0.7rem; color: var(--grey-light); font-size: 0.85rem; }
.certif-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }

/* ══════════════════════════════════════════════
   SECTIONS COMMUNES
   ══════════════════════════════════════════════ */
section { padding: 6rem 0; }
.section-header { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 3.5rem; }
.section-header.center { text-align: center; align-items: center; }
.section-title { font-size: clamp(1.9rem, 3vw, 2.8rem); color: var(--white); }
.section-lead { font-size: 1rem; color: var(--grey-light); max-width: 620px; font-weight: 300; line-height: 1.85; }
.section-lead strong { color: var(--off-white); font-weight: 500; }

/* ══════════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════════ */
#services { background: var(--black-soft); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.25rem; }

.service-card {
  background: var(--black-card); border: 1px solid var(--black-border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  opacity: 0; transition: opacity 0.25s;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--gold-dark); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.service-card:hover::before { opacity: 1; }

.service-img {
  width: 100%; height: 175px; object-fit: cover;
  border-bottom: 1px solid var(--black-border);
  transition: transform 0.35s;
}
.service-card:hover .service-img { transform: scale(1.04); }

.service-img-placeholder {
  width: 100%; height: 175px;
  background: linear-gradient(135deg, #1a1a19, #252524);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--black-border);
  overflow: hidden;
}
.service-img-placeholder svg { width: 54px; height: 54px; fill: rgba(201,162,39,0.1); }

.service-body { padding: 1.75rem; }
.service-icon {
  width: 40px; height: 40px;
  background: rgba(201,162,39,0.08); border: 1px solid rgba(201,162,39,0.2);
  border-radius: 3px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.service-icon svg { width: 22px; height: 22px; fill: var(--gold); }
.service-card h3 { font-size: 1.1rem; color: var(--white); margin-bottom: 0.55rem; }
.service-card p { font-size: 0.87rem; color: var(--grey); line-height: 1.75; }
.service-list { list-style: none; margin-top: 0.85rem; display: flex; flex-direction: column; gap: 0.35rem; }
.service-list li { font-size: 0.82rem; color: var(--grey); display: flex; align-items: center; gap: 0.55rem; }
.service-list li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }

/* ══════════════════════════════════════════════
   À PROPOS
   ══════════════════════════════════════════════ */
#a-propos { background: var(--black); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-text { display: flex; flex-direction: column; gap: 1.5rem; }
.about-text p { color: var(--grey-light); font-size: 0.97rem; line-height: 1.85; }
.about-text strong { color: var(--off-white); font-weight: 600; }

.differentiators { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 0.25rem; }
.diff-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--black-card);
  border: 1px solid var(--black-border); border-left: 2px solid var(--gold);
  border-radius: var(--radius); transition: border-left-color 0.2s;
}
.diff-item:hover { border-left-color: var(--gold-light); }
.diff-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 0.1rem; }
.diff-title { font-weight: 600; color: var(--white); font-size: 0.92rem; margin-bottom: 0.2rem; }
.diff-text { font-size: 0.82rem; color: var(--grey); }

.artisans-cards { display: flex; flex-direction: column; gap: 1.25rem; }
.artisan-card {
  background: var(--black-card); border: 1px solid var(--black-border);
  border-radius: var(--radius); padding: 1.75rem; display: flex; align-items: center; gap: 1.5rem;
  transition: border-color 0.2s;
}
.artisan-card:hover { border-color: var(--gold-dark); }
.artisan-card-avatar {
  width: 66px; height: 66px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 1.35rem;
  color: var(--black); font-weight: 900; flex-shrink: 0;
}
.artisan-card-info { flex: 1; }
.artisan-card-name { font-size: 1.12rem; color: var(--white); font-weight: 700; font-family: 'Playfair Display', serif; }
.artisan-card-title { font-size: 0.7rem; color: var(--gold); font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700; margin-bottom: 0.6rem; }
.artisan-card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  background: rgba(201,162,39,0.07); border: 1px solid rgba(201,162,39,0.2);
  border-radius: 2px; padding: 0.2rem 0.65rem; font-size: 0.72rem;
  color: var(--gold); font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.08em; font-weight: 600;
}
.engagements-box {
  background: var(--black-card); border: 1px solid var(--black-border);
  border-top: 2px solid var(--gold); border-radius: var(--radius); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.eng-title { font-family: 'Barlow Condensed', sans-serif; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 0.15rem; }
.eng-item { display: flex; align-items: center; gap: 0.75rem; color: var(--grey-light); font-size: 0.87rem; }
.eng-icon { color: var(--gold); font-size: 0.85rem; flex-shrink: 0; }

/* ══════════════════════════════════════════════
   RÉALISATIONS / GALERIE
   ══════════════════════════════════════════════ */
#realisations { background: var(--black-soft); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.875rem; }
.gallery-item {
  border-radius: var(--radius); overflow: hidden; position: relative;
  cursor: pointer; border: 1px solid var(--black-border); transition: border-color 0.3s;
}
.gallery-item:first-child { grid-column: span 2; }
.gallery-item:hover { border-color: var(--gold-dark); }
.gallery-item img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; transition: transform 0.4s; }
.gallery-item:first-child img { aspect-ratio: 4/3; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(28,28,27,0.92) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.3s; display: flex; align-items: flex-end; padding: 1.25rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-caption { color: var(--gold-light); font-weight: 600; font-size: 0.87rem; }

/* Lightbox (activé via JS) */
.lightbox-overlay {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92); align-items: center; justify-content: center;
  cursor: zoom-out;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; object-fit: contain; border: 1px solid var(--black-border); }
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  color: var(--grey-light); font-size: 2rem; cursor: pointer; line-height: 1;
  background: none; border: none; transition: color 0.2s;
}
.lightbox-close:hover { color: var(--gold); }

/* ══════════════════════════════════════════════
   SIMULATEUR
   ══════════════════════════════════════════════ */
#simulateur { background: var(--black); }
.simulator-wrapper {
  background: var(--black-card); border: 1px solid var(--black-border);
  border-top: 2px solid var(--gold); border-radius: 3px; overflow: hidden;
}
.simulator-header {
  background: var(--black-soft); padding: 2rem 2.5rem;
  display: flex; align-items: center; gap: 1.5rem; border-bottom: 1px solid var(--black-border);
}
.simulator-header-icon {
  width: 50px; height: 50px;
  background: rgba(201,162,39,0.1); border: 1px solid rgba(201,162,39,0.25);
  border-radius: 3px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.simulator-header-icon svg { width: 27px; height: 27px; fill: var(--gold); }
.simulator-header-text h3 { font-family: 'Playfair Display', serif; font-size: 1.3rem; color: var(--white); }
.simulator-header-text p { color: var(--grey); font-size: 0.84rem; margin-top: 0.25rem; }
.simulator-body { padding: 2.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.sim-form { display: flex; flex-direction: column; gap: 1.1rem; }

/* ── FORMULAIRES ── */
.form-group, .cf-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label, .cf-group label {
  font-size: 0.73rem; font-weight: 700; color: var(--grey-light);
  font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.12em; text-transform: uppercase;
}
.form-group input, .form-group select,
.cf-group input, .cf-group select, .cf-group textarea {
  padding: 0.7rem 1rem; border: 1px solid var(--black-border); border-radius: var(--radius);
  font-family: 'Barlow', sans-serif; font-size: 0.93rem;
  color: var(--off-white); background: var(--black-soft); transition: border-color 0.2s; outline: none;
  width: 100%;
}
.form-group input:focus, .form-group select:focus,
.cf-group input:focus, .cf-group select:focus, .cf-group textarea:focus { border-color: var(--gold); }
.form-group select option, .cf-group select option { background: var(--black-soft); }
.form-hint { font-size: 0.72rem; color: var(--grey); }
.form-row, .cf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cf-group textarea { min-height: 110px; resize: vertical; }
.cf-full { grid-column: 1 / -1; }
.req { color: var(--gold); }

.sim-cta, .cf-submit button {
  width: 100%; padding: 0.9rem;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-light));
  color: var(--black); border: none; border-radius: var(--radius);
  font-family: 'Barlow Condensed', sans-serif; font-size: 0.92rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; cursor: pointer; transition: filter 0.2s;
}
.sim-cta:hover, .cf-submit button:hover { filter: brightness(1.12); }
.cf-submit { display: flex; align-items: center; gap: 1.5rem; margin-top: 1rem; flex-wrap: wrap; }
.cf-submit button { width: auto; }
.cf-note { font-size: 0.78rem; color: var(--grey); }

.sim-results { display: flex; flex-direction: column; gap: 1rem; }
.sim-placeholder {
  background: var(--black-soft); border: 1px dashed var(--black-border);
  border-radius: var(--radius); padding: 2.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center;
}
.sim-placeholder svg { width: 48px; height: 48px; fill: rgba(201,162,39,0.15); }
.sim-placeholder p { color: var(--grey); font-size: 0.9rem; }
.result-card { background: var(--black-soft); border: 1px solid var(--black-border); border-radius: var(--radius); padding: 1.35rem 1.5rem; }
.result-card.highlight { border-color: rgba(201,162,39,0.35); background: rgba(201,162,39,0.04); }
.result-card-label { font-size: 0.7rem; font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; color: var(--grey); margin-bottom: 0.4rem; }
.result-card-value { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 900; color: var(--white); line-height: 1; }
.result-card-value.gold { color: var(--gold); }
.result-card-sub { font-size: 0.77rem; color: var(--grey); margin-top: 0.4rem; }
.result-breakdown { background: var(--black-soft); border: 1px solid var(--black-border); border-radius: var(--radius); overflow: hidden; }
.breakdown-header { padding: 0.75rem 1.25rem; background: rgba(201,162,39,0.05); border-bottom: 1px solid var(--black-border); }
.breakdown-header span { font-family: 'Barlow Condensed', sans-serif; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.breakdown-rows { padding: 0.4rem 0; }
.breakdown-row { display: flex; justify-content: space-between; padding: 0.45rem 1.25rem; border-bottom: 1px solid var(--black-border); }
.breakdown-row:last-child { border-bottom: none; }
.breakdown-row span:first-child { font-size: 0.82rem; color: var(--grey); }
.breakdown-row span:last-child { font-size: 0.82rem; font-weight: 600; color: var(--off-white); }
.breakdown-total { display: flex; justify-content: space-between; padding: 0.75rem 1.25rem; background: rgba(201,162,39,0.07); border-top: 1px solid rgba(201,162,39,0.25); }
.breakdown-total span:first-child { font-weight: 600; color: var(--off-white); font-size: 0.88rem; }
.breakdown-total span:last-child { font-weight: 700; color: var(--gold); font-size: 1rem; }
.sim-disclaimer { font-size: 0.78rem; color: var(--grey); padding: 0.75rem 1rem; background: rgba(201,162,39,0.03); border: 1px solid var(--black-border); border-radius: var(--radius); }

/* ══════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════ */
#contact { background: var(--black-soft); }
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 4rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-block { display: flex; flex-direction: column; gap: 0.35rem; }
.contact-block-label { font-family: 'Barlow Condensed', sans-serif; font-size: 0.68rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--grey); font-weight: 700; }
.contact-block-value { color: var(--off-white); font-size: 0.97rem; }
.contact-block-value a { color: var(--gold); text-decoration: none; transition: filter 0.2s; }
.contact-block-value a:hover { filter: brightness(1.2); }
.contact-guarantee { background: var(--black-card); border: 1px solid var(--black-border); border-top: 2px solid var(--gold); border-radius: var(--radius); padding: 1.25rem; display: flex; flex-direction: column; gap: 0.6rem; }
.guarantee-title { font-family: 'Barlow Condensed', sans-serif; font-size: 0.68rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 0.15rem; }
.guarantee-item { display: flex; align-items: center; gap: 0.6rem; color: var(--grey-light); font-size: 0.85rem; }
.guarantee-icon { font-size: 0.85rem; }

.contact-form { background: var(--black-card); border: 1px solid var(--black-border); border-radius: var(--radius); padding: 2.5rem; }
.contact-form h3 { font-family: 'Playfair Display', serif; font-size: 1.35rem; color: var(--white); margin-bottom: 1.75rem; }
.cf-success { display: none; padding: 2rem; text-align: center; }
.cf-success h4 { font-family: 'Playfair Display', serif; color: var(--gold); font-size: 1.3rem; margin-bottom: 0.75rem; }
.cf-success p { color: var(--grey-light); }

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
footer {
  background: var(--black);
  border-top: 1px solid var(--black-border);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; padding: 4rem 2rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 1.1rem; }
.footer-logo img { height: 50px; width: auto; }
.footer-desc { font-size: 0.87rem; color: var(--grey); line-height: 1.75; max-width: 300px; }
.footer-contacts { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contacts a, .footer-contacts span { color: var(--grey-light); font-size: 0.87rem; text-decoration: none; transition: color 0.2s; }
.footer-contacts a:hover { color: var(--gold); }
.footer-col h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 1rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links li, .footer-links a { font-size: 0.87rem; color: var(--grey); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  padding: 1.5rem 2rem; max-width: 1280px; margin: 0 auto;
  border-top: 1px solid var(--black-border);
  font-size: 0.79rem; color: var(--grey);
}
.footer-bottom a { color: var(--grey); text-decoration: none; transition: color 0.2s; }
.footer-bottom a:hover { color: var(--gold); }

/* ══════════════════════════════════════════════
   PAGE : MENTIONS LÉGALES
   ══════════════════════════════════════════════ */
.mentions-page { padding: 8rem 2rem 5rem; max-width: 860px; margin: 0 auto; }
.mentions-page h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--white); margin-bottom: 2.5rem; }
.mentions-page h2 { font-size: 1.2rem; color: var(--gold); margin: 2rem 0 0.75rem; font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; }
.mentions-page p, .mentions-page address { font-size: 0.93rem; color: var(--grey-light); line-height: 1.85; font-style: normal; margin-bottom: 0.75rem; }
.mentions-page a { color: var(--gold); text-decoration: none; }
.mentions-page a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { gap: 3rem; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 3rem; }
  .hero-card { display: none; } /* masquer sur tablette/mobile */
  .about-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; }
  .simulator-body { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta .btn-gold { display: none; }
  .hamburger { display: flex; }
  .nav-phone { display: none; }
}

@media (max-width: 640px) {
  section { padding: 4rem 0; }
  .form-row, .cf-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}