/* ===========================
   ACL THERMOLAQUAGE — CSS
   Identité noir / or premium
   =========================== */

:root {
  --black:     #0a0a0a;
  --anthra:    #161616;
  --anthra2:   #222222;
  --gold:      #d4a017;
  --gold-l:    #f0c040;
  --gold-glow: #ffd966;
  --white:     #ffffff;
  --gray:      #9a9a9a;
  --gray-l:    #c4c4c4;
  --border:    rgba(212,160,23,.18);
  --font:      'Segoe UI', Arial, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--gray-l);
  background: var(--black);
  line-height: 1.7;
}

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

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
section { padding: 100px 0; }

h1, h2, h3 { line-height: 1.25; color: var(--white); }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.15rem; }

p { text-align: justify; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 14px;
}

.section-label::before {
  content: '';
  width: 26px; height: 1px;
  background: var(--gold);
}

.section-title { margin-bottom: 16px; }

.section-subtitle {
  color: var(--gray);
  max-width: 640px;
  margin-bottom: 56px;
  text-align: justify;
}

/* ---- GOLD UTILITIES ---- */
.gold { color: var(--gold); }

/* ---- HEADER ---- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}

header.scrolled {
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo { display: flex; align-items: center; gap: 12px; }

.logo-mark-img {
  height: 46px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(212,160,23,.45));
  transition: filter .3s;
}

.logo:hover .logo-mark-img {
  filter: drop-shadow(0 0 18px rgba(212,160,23,.8));
}

.logo-text { display: flex; flex-direction: column; line-height: 1.15; }

.logo-name {
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .08em;
}

.logo-tagline {
  color: var(--gold);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .14em;
}

nav ul { display: flex; list-style: none; gap: 30px; align-items: center; }

nav a {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color .25s;
  position: relative;
  padding-bottom: 4px;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
  transition: width .3s;
}

nav a:hover, nav a.active { color: var(--white); }
nav a:hover::after, nav a.active::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--gold) 0%, #b8860b 100%);
  color: var(--black) !important;
  padding: 11px 26px;
  border-radius: 4px;
  font-weight: 700 !important;
  transition: box-shadow .25s, transform .25s !important;
  box-shadow: 0 0 0 rgba(212,160,23,0);
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  box-shadow: 0 0 24px rgba(212,160,23,.65);
  transform: translateY(-1px);
}

.nav-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--gold);
  border: 1px solid rgba(212,160,23,.4);
  border-radius: 10px;
  vertical-align: middle;
}

.option-banner {
  background: rgba(212,160,23,.08);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  font-size: .92rem;
  color: var(--gold-l);
}

.option-banner strong { color: var(--gold); }

.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.burger span { display: block; width: 26px; height: 2px; background: var(--gold); border-radius: 2px; transition: .3s; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(10,10,10,.59) 0%, rgba(10,10,10,.66) 55%, rgba(10,10,10,.72) 100%),
    url('../../images/low-angle-hand-spraying-powder-paint.jpg') center / cover no-repeat;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 84px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(212,160,23,.16) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: 25%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(212,160,23,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212,160,23,.1);
  border: 1px solid var(--border);
  color: var(--gold-l);
  padding: 7px 16px;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 26px;
}

.hero-badge span {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--gold-glow);
}

.hero h1 { margin-bottom: 22px; }
.hero h1 em { color: var(--gold); font-style: normal; text-shadow: 0 0 30px rgba(212,160,23,.4); }

.hero-desc {
  color: rgba(255,255,255,.65);
  font-size: 1.1rem;
  margin-bottom: 42px;
  text-align: justify;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 4px;
  font-weight: 600;
  font-size: .95rem;
  transition: .25s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, #b8860b 100%);
  color: var(--black);
}
.btn-primary:hover { box-shadow: 0 0 28px rgba(212,160,23,.6); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.25);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); box-shadow: 0 0 18px rgba(212,160,23,.25); }

.hero-stats {
  display: flex;
  gap: 52px;
  margin-top: 64px;
  padding-top: 42px;
  border-top: 1px solid rgba(212,160,23,.15);
}

.stat-num {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  text-shadow: 0 0 20px rgba(212,160,23,.3);
}

.stat-label {
  font-size: .78rem;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: 6px;
}

/* ---- EXPERTISE (3 blocs) ---- */
.expertise { background: var(--anthra); position: relative; }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.exp-card {
  background: linear-gradient(160deg, rgba(255,255,255,.03), transparent);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px 32px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity .3s;
}

.exp-card:hover {
  transform: translateY(-6px);
  border-color: rgba(212,160,23,.45);
  box-shadow: 0 16px 40px rgba(0,0,0,.5), 0 0 30px rgba(212,160,23,.08);
}

.exp-card:hover::before { opacity: 1; }

.exp-icon {
  width: 58px; height: 58px;
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  font-size: 1.6rem;
  background: radial-gradient(circle, rgba(212,160,23,.1), transparent);
  color: var(--gold);
}

.exp-card h3 { margin-bottom: 12px; }
.exp-card p { color: var(--gray); font-size: .93rem; }

/* ---- POURQUOI ACL ---- */
.pourquoi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.pq-card {
  background: var(--anthra);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 30px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color .3s, transform .3s;
}

.pq-card:hover { border-color: rgba(212,160,23,.45); transform: translateY(-3px); }

.pq-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  flex-shrink: 0;
  line-height: 1;
}

.pq-card h3 { font-size: 1rem; margin-bottom: 8px; }
.pq-card p { color: var(--gray); font-size: .88rem; }

/* ---- SAVOIR-FAIRE SPLIT ---- */
.savoir-faire {
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 540px;
  background: var(--anthra);
}

.sf-image { position: relative; overflow: hidden; }

.sf-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212,160,23,.12), transparent 60%);
  mix-blend-mode: overlay;
}

.sf-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(15%) contrast(1.05);
  transition: transform .6s ease, filter .6s ease;
}

.sf-image:hover img { transform: scale(1.05); filter: grayscale(0%) contrast(1.1); }

.sf-content {
  background: var(--black);
  padding: 76px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sf-content p { color: var(--gray); margin-bottom: 32px; text-align: justify; }

.sf-list { list-style: none; display: flex; flex-direction: column; gap: 15px; margin-bottom: 38px; }

.sf-list li { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.75); font-size: .95rem; }

.sf-list li::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold-glow);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- PROCESSUS (circuit timeline) ---- */
.process {
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(212,160,23,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,160,23,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.circuit-line {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  z-index: 1;
}

.circuit-line::before {
  content: '';
  position: absolute;
  top: 28px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 8%, var(--gold) 92%, transparent);
  box-shadow: 0 0 10px rgba(212,160,23,.4);
}

.step {
  position: relative;
  text-align: center;
  flex: 1;
  padding: 0 12px;
}

.step-num {
  width: 56px; height: 56px;
  background: var(--anthra2);
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--gold);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 6px var(--black), 0 0 16px rgba(212,160,23,.35);
}

.step h3 { font-size: .98rem; margin-bottom: 8px; }
.step p { color: var(--gray); font-size: .84rem; }

/* ---- ENGAGEMENT QUALITÉ ---- */
.engagement {
  background: var(--anthra);
  position: relative;
}

.eng-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.eng-visual {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 420px;
  border: 1px solid var(--border);
}

.eng-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
  filter: grayscale(20%);
}

.eng-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(10,10,10,.2), rgba(10,10,10,.75));
}

.eng-badge {
  position: absolute;
  bottom: 24px; left: 24px;
  z-index: 2;
  background: rgba(10,10,10,.85);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  backdrop-filter: blur(6px);
}

.eng-badge .stat-num { font-size: 1.6rem; }

.eng-list { display: flex; flex-direction: column; gap: 22px; }

.eng-item { display: flex; gap: 18px; align-items: flex-start; }

.eng-icon {
  width: 46px; height: 46px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(212,160,23,.2);
}

.eng-item h3 { font-size: 1rem; margin-bottom: 6px; }
.eng-item p { color: var(--gray); font-size: .88rem; }

/* ---- CTA BAND ---- */
.cta-band {
  background: linear-gradient(135deg, #b8860b 0%, var(--gold) 50%, #b8860b 100%);
  padding: 70px 0;
  text-align: center;
  position: relative;
}

.cta-band h2 { color: var(--black); margin-bottom: 12px; }
.cta-band p { color: rgba(10,10,10,.75); max-width: 560px; margin: 0 auto 32px; }

.btn-black { background: var(--black); color: var(--gold); }
.btn-black:hover { box-shadow: 0 0 24px rgba(0,0,0,.4); }

/* ---- CONTACT ---- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.contact-info p { color: var(--gray); margin-bottom: 32px; }

.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }

.contact-icon {
  width: 46px; height: 46px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--gold);
  box-shadow: 0 0 14px rgba(212,160,23,.2);
}

.contact-item strong { display: block; color: var(--white); font-weight: 600; }
.contact-item span { color: var(--gray); font-size: .93rem; }

.contact-form {
  background: var(--anthra);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 38px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gold-l);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px;
  font-family: var(--font);
  font-size: .93rem;
  color: var(--white);
  background: var(--black);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,160,23,.15);
}

.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; justify-content: center; margin-top: 8px; }

/* ---- FOOTER ---- */
footer { background: var(--black); color: rgba(255,255,255,.5); padding: 64px 0 24px; border-top: 1px solid var(--border); }

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }

.footer-brand p { margin: 18px 0 0; font-size: .9rem; line-height: 1.7; }

.social-links { display: flex; gap: 12px; margin-top: 22px; }

.social-icon {
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-l);
  transition: color .2s, border-color .2s, box-shadow .2s;
}

.social-icon:hover {
  color: var(--gold);
  border-color: rgba(212,160,23,.45);
  box-shadow: 0 0 14px rgba(212,160,23,.2);
}

footer h4 { color: var(--gold-l); font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 20px; }

footer ul { list-style: none; }
footer ul li { margin-bottom: 11px; }
footer ul a { color: rgba(255,255,255,.5); font-size: .9rem; transition: color .2s; }
footer ul a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
}

.footer-admin-link { opacity: .45; transition: opacity .2s; }
.footer-admin-link:hover { opacity: 1; color: var(--gold); }

.footer-bottom a { color: var(--gold); }

/* ---- PAGE BANNER ---- */
.page-banner {
  background:
    linear-gradient(135deg, rgba(10,10,10,.9), rgba(10,10,10,.96)),
    url('../../images/rain-drops-window.jpg') center / cover no-repeat;
  padding: 150px 0 84px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(212,160,23,.16) 0%, transparent 70%);
}

.page-banner h1 { margin-bottom: 12px; position: relative; }
.page-banner p { color: rgba(255,255,255,.55); position: relative; max-width: 560px; margin: 0 auto; }

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.35);
  margin-bottom: 16px;
  position: relative;
}

.breadcrumb a { color: var(--gold); }
.breadcrumb span { color: rgba(255,255,255,.25); }

/* ---- MAP ---- */
.map-wrap {
  margin-top: 60px;
  border-radius: 12px;
  overflow: hidden;
  height: 380px;
  border: 1px solid var(--border);
}

.map-wrap iframe { width: 100%; height: 100%; border: none; filter: grayscale(40%) invert(92%) contrast(85%); }

/* ---- ALERT ---- */
.alert { padding: 14px 18px; border-radius: 6px; font-size: .9rem; margin-top: 16px; display: none; }
.alert-success { background: rgba(212,160,23,.1); color: var(--gold-l); border: 1px solid var(--border); }
.alert-error { background: rgba(220,38,38,.1); color: #fca5a5; border: 1px solid rgba(220,38,38,.3); }

/* ---- GALERIE RÉALISATIONS ---- */
.gallery-toolbar {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.gallery-filter {
  background: var(--anthra);
  border: 1px solid var(--border);
  color: var(--gray-l);
  padding: 9px 20px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: .25s;
}

.gallery-filter:hover { border-color: var(--gold); color: var(--gold-l); }
.gallery-filter.active {
  background: linear-gradient(135deg, var(--gold) 0%, #b8860b 100%);
  border-color: transparent;
  color: var(--black);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--anthra);
}

.gallery-img-wrap { aspect-ratio: 4/3; overflow: hidden; }

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease, filter .5s ease;
  filter: grayscale(10%);
}

.gallery-item:hover img { transform: scale(1.06); filter: grayscale(0%); }

.gallery-cap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(10,10,10,.95));
  transform: translateY(8px);
  opacity: 0;
  transition: .3s;
}

.gallery-item:hover .gallery-cap { transform: translateY(0); opacity: 1; }
.gallery-cap span { color: var(--white); font-size: .9rem; font-weight: 600; }

.gallery-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
  border: 1px dashed var(--border);
  border-radius: 10px;
}

/* ---- LIGHTBOX ---- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 40px;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.lightbox-cap {
  position: absolute;
  bottom: 32px; left: 0; right: 0;
  text-align: center;
  color: var(--gold-l);
  font-size: .95rem;
}

.lightbox-close {
  position: absolute;
  top: 24px; right: 32px;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color .2s;
}

.lightbox-close:hover { color: var(--gold); }

/* ---- ADMIN ---- */
.admin-gate {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 84px;
}

.admin-gate-box {
  background: var(--anthra);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 44px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}

.admin-gate-box .exp-icon { margin: 0 auto 20px; }

.admin-panel { display: none; }
.admin-panel.open { display: block; }

.upload-zone {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 36px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s;
  margin-bottom: 18px;
}

.upload-zone:hover { border-color: var(--gold); }
.upload-zone.drag { border-color: var(--gold); background: rgba(212,160,23,.05); }

.upload-preview {
  max-width: 220px;
  max-height: 160px;
  border-radius: 8px;
  margin: 0 auto 14px;
  display: none;
}

.admin-photo-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.admin-photo-card {
  background: var(--anthra);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.admin-photo-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.admin-photo-meta {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.admin-photo-meta span { font-size: .82rem; color: var(--gray); }

.btn-danger {
  background: transparent;
  border: 1px solid rgba(220,38,38,.4);
  color: #fca5a5;
  padding: 6px 12px;
  font-size: .78rem;
  border-radius: 4px;
  cursor: pointer;
}

.btn-danger:hover { background: rgba(220,38,38,.1); }

.btn-sm { padding: 10px 22px; font-size: .85rem; }

/* ========= RESPONSIVE ========= */
@media (max-width: 980px) {
  .savoir-faire { grid-template-columns: 1fr; }
  .sf-image { min-height: 320px; }
  .sf-content { padding: 52px 32px; }
  .eng-grid { grid-template-columns: 1fr; gap: 40px; }
  .eng-visual { min-height: 320px; }
}

@media (max-width: 900px) {
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .circuit-line { flex-direction: column; gap: 36px; }
  .circuit-line::before { display: none; }
}

@media (max-width: 980px) {
  nav ul { display: none; flex-direction: column; gap: 0; }
  nav ul.open {
    display: flex;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: rgba(10,10,10,.97);
    padding: 12px 0;
    box-shadow: 0 8px 20px rgba(0,0,0,.5);
    border-bottom: 1px solid var(--border);
  }
  nav ul li a { display: block; padding: 12px 24px; }
  .nav-cta { margin: 8px 24px; display: block; text-align: center; }
  .burger { display: flex; }
}

@media (max-width: 720px) {
  section { padding: 70px 0; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}