:root {
  --granite: #2B3A42;
  --lichen: #A7C957;
  --stone: #DAD7CD;
  --sand: #F1E0C5;
  --offwhite: #FAFAF8;
  --white: #FFFFFF;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--granite);
  background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: 1600px 800px, 1400px 680px, 1800px 1000px, 100% 100%, 256px 256px;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0% 0%, 0 0;
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(1200px 520px at 12% -8%, rgba(241,224,197,.45), transparent 60%),
    radial-gradient(1000px 420px at 88% -6%, rgba(167,201,87,.26), transparent 62%),
    radial-gradient(900px 480px at 10% 92%, rgba(241,224,197,.30), transparent 65%),
    radial-gradient(900px 420px at 92% 88%, rgba(167,201,87,.20), transparent 65%),
    linear-gradient(180deg, rgba(0,0,0,.035), rgba(0,0,0,0));
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed; inset:0;
  z-index:-1;
  /* faux grain via gradients */
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px);
  mix-blend-mode:multiply;
  opacity:.4;
  pointer-events:none;
}

}

.container { width: min(1120px, 92%); margin-inline: auto; position: relative; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.2);
  border-bottom: 1px solid var(--stone);
}
.header-inner { display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center; padding: 10px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand-logo { height: 32px; width: auto; display: block; }
.brand-logo.alt { filter: brightness(100%) contrast(100%); }
.main-nav { display: none; gap: 20px; font-size: 14px; }
.main-nav a {
  color: inherit; text-decoration: none; opacity: .9; position: relative; display: inline-block; padding-bottom: 4px;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background: var(--lichen);
  transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease;
  border-radius: 2px;
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after{ transform: scaleX(1); }
.main-nav a:hover { opacity: 1; }
.burger { display: grid; gap: 4px; background: transparent; border: 0; cursor: pointer; }
.burger span { width: 24px; height: 2px; background: var(--granite); display: block; }
@media (min-width: 860px) { .main-nav { display: inline-flex; } .burger { display: none; } }

/* Hero */
.hero { position: relative; padding: 72px 0 96px; overflow: clip; min-height: calc(100vh - 64px); display: grid; align-items: center; }
.soft-ambient {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(1200px 520px at 10% -12%, rgba(241,224,197,0.68), transparent 64%),
    radial-gradient(1000px 420px at 90% -10%, rgba(167,201,87,0.44), transparent 66%),
    radial-gradient(1400px 680px at 60% 130%, rgba(43,58,66,0.18), transparent 72%);
}
.hero-grid { display: grid; gap: 36px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.1fr 1fr; } }
.eyebrow { font-size: 12px; font-weight: 700; background: var(--sand); padding: 6px 10px; border-radius: 999px; display: inline-block; }
.hero h1 { font-size: clamp(28px, 4vw, 48px); line-height: 1.1; margin: 14px 0; }
.lede { font-size: 18px; opacity: .9; }
.hero-actions { display: flex; gap: 12px; margin-top: 16px; }
.btn { display: inline-block; padding: 11px 16px; border-radius: 12px; text-decoration: none; font-weight: 600; }
/* Centrer le contenu du hero quand on est sur la version "générale" */
.hero.general .hero-grid {
  grid-template-columns: 1fr;      /* une seule colonne */
  justify-items: center;           /* on centre le bloc dans la grille */
  text-align: center;              /* texte centré */
}

.hero.general .hero-copy {
  max-width: 640px;
}

.hero.general .hero-actions {
  justify-content: center;         /* boutons centrés */
}
.btn.primary { background: var(--granite); color: var(--offwhite); }
.btn.ghost { border: 1px solid var(--granite); color: var(--granite); background: transparent; }

.media-card { border: 1px solid var(--stone); border-radius: 16px; overflow: hidden; background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: 1600px 800px, 1400px 680px, 1800px 1000px, 100% 100%, 256px 256px;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0% 0%, 0 0;
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(1200px 520px at 12% -8%, rgba(241,224,197,.45), transparent 60%),
    radial-gradient(1000px 420px at 88% -6%, rgba(167,201,87,.26), transparent 62%),
    radial-gradient(900px 480px at 10% 92%, rgba(241,224,197,.30), transparent 65%),
    radial-gradient(900px 420px at 92% 88%, rgba(167,201,87,.20), transparent 65%),
    linear-gradient(180deg, rgba(0,0,0,.035), rgba(0,0,0,0));
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed; inset:0;
  z-index:-1;
  /* faux grain via gradients */
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px);
  mix-blend-mode:multiply;
  opacity:.4;
  pointer-events:none;
}
 box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.ph { aspect-ratio: 16/10; background: linear-gradient(135deg, var(--offwhite), var(--sand)); }
.hero-ph {
  background: url('assets/Image de présentation.jpg') center center / cover no-repeat;
  border-radius: 16px;
}
.ph-note { display: block; margin-top: 8px; opacity: .65; font-size: 12px; }

/* Images des réalisations NERZH */
.project:nth-child(1) .ph {
  background: url('assets/URSSAF-Vannes.webp') center center / cover no-repeat;
}

.project:nth-child(2) .ph {
  background: url('assets/Porsche.webp') center center / cover no-repeat;
}

.project:nth-child(3) .ph {
  background: url('assets/yon.webp') center center / cover no-repeat;
}


/* Sections */
.section { padding: 72px 0; }
.section-head h2 { font-size: clamp(22px, 3vw, 34px); margin: 0 0 8px; }
.section-head p { margin: 0; opacity: .85; }
.section-head.center { text-align: center; }
.subhead h3 { margin: 28px 0 10px; font-size: 20px; }

/* Timeline */
.soft-bg { background: linear-gradient(180deg, rgba(167,201,87,0.08), rgba(0,0,0,0) 40%); }
.narrow { width: min(820px, 92%); margin-inline: auto; }
.timeline { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 18px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--stone); }
.timeline li { padding-left: 32px; position: relative; }
.timeline .dot { width: 14px; height: 14px; background: var(--lichen); border-radius: 50%; position: absolute; left: 3px; top: 6px; }

/* Projects */
.projects-grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.project { background: var(--white); border: 1px solid var(--stone); border-radius: 16px; overflow: hidden; box-shadow: 0 8px 20px rgba(0,0,0,0.04); }
.project .media-card { border-bottom: 1px solid var(--stone); }
.project-meta { padding: 14px 16px 0; }
.project .muted { opacity: .7; margin: 0 16px 6px; }
.meta-list { margin: 6px 16px 16px; padding-left: 18px; }

/* DISPLEG 35 */
.section.dark { background: var(--granite); color: var(--offwhite); }
.grid-35 { display: grid; gap: 24px; align-items: center; }
@media (min-width: 960px) { .grid-35 { grid-template-columns: 1fr 1fr; } }
.dark-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15); border-radius: 16px; overflow: hidden; }
.dark-ph { aspect-ratio: 4/3; background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06)); }
.meta-list.light li { color: rgba(255,255,255,.9); }

.section-35-head {
  margin-bottom: 24px;
}

.section-35-head h2 {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  color: #1c262b; /* ou var(--granite) si tu utilises déjà cette variable */
}

.section-35-head {
  text-align: center;
}

/* Contact */
.contact-grid { display: grid; gap: 24px; align-items: start; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-form { background: var(--white); border: 1px solid var(--stone); border-radius: 16px; padding: 16px; box-shadow: 0 8px 20px rgba(0,0,0,0.04); display: grid; gap: 10px; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; }
.contact-form input, .contact-form textarea {
  border: 1px solid var(--stone); border-radius: 10px; padding: 10px 12px; font: inherit; background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: 1600px 800px, 1400px 680px, 1800px 1000px, 100% 100%, 256px 256px;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0% 0%, 0 0;
body::before{
  content:"";
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(1200px 520px at 12% -8%, rgba(241,224,197,.45), transparent 60%),
    radial-gradient(1000px 420px at 88% -6%, rgba(167,201,87,.26), transparent 62%),
    radial-gradient(900px 480px at 10% 92%, rgba(241,224,197,.30), transparent 65%),
    radial-gradient(900px 420px at 92% 88%, rgba(167,201,87,.20), transparent 65%),
    linear-gradient(180deg, rgba(0,0,0,.035), rgba(0,0,0,0));
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed; inset:0;
  z-index:-1;
  /* faux grain via gradients */
  background-image:
    repeating-linear-gradient(0deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.012) 0, rgba(0,0,0,.012) 1px, transparent 2px);
  mix-blend-mode:multiply;
  opacity:.4;
  pointer-events:none;
}

}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--lichen); outline-offset: 2px; background: var(--white); }
.contact-list { list-style: none; padding: 0; display: grid; gap: 8px; }
.legal { font-size: 12px; opacity: .7; }
.form-msg { font-size: 14px; margin-top: 6px; min-height: 1.2em; }

/* Footer */
.site-footer { background: var(--granite); color: var(--offwhite); padding: 56px 0 0; margin-top: 40px; }
.footer-grid { display: grid; gap: 24px; }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer h4 { margin: 0 0 8px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.legalbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 22px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.14); font-size: 12px; }
.legal-link { color: var(--offwhite); opacity: .9; text-decoration: none; }
.legal-link:hover { text-decoration: underline; }

/* Reveal + Parallax */
.reveal { opacity: 0; transform: translateY(16px); transition: 600ms cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.parallax .media-card { transform: translateY(0); will-change: transform; transition: transform .2s; }

/* Mobile menu */
.mobile-open .main-nav {
  position: fixed; inset: 56px 16px auto 16px;
  background: var(--white); border: 1px solid var(--stone);
  padding: 12px; border-radius: 12px; display: grid; gap: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* Steps grid */
.steps{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap:16px;
  margin-top:10px;
}
.step-card{
  position:relative;
  background: var(--white);
  border:1px solid var(--stone);
  border-radius:16px;
  padding:16px;
  box-shadow: 0 10px 24px rgba(0,0,0,.05);
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-card:hover{ transform: translateY(-2px); box-shadow:0 14px 30px rgba(0,0,0,.06); }
.step-badge{
  position:absolute; top:12px; right:12px;
  width:28px; height:28px; border-radius:50%;
  display:grid; place-items:center;
  font-weight:700;
  background: var(--sand);
  color: var(--granite);
}
/* Connector line effect on wide screens */
@media(min-width:960px){
  .steps{
    grid-template-columns: repeat(5, 1fr);
  }
  .steps::before{
    content:"";
    position:absolute;
    width:100%; height:2px;
    background: var(--stone);
    transform: translateY(-12px);
    opacity:.6;
    display:none;
  }
}


/* Adjust spacing between NERZH method and DISPLEG 35 */
.pole-35 { margin-top: 36px; border-top-left-radius: 18px; border-top-right-radius: 18px; overflow: hidden; }
.pole-nerzh .subhead + .steps { margin-bottom: 24px; }


/* Connected timeline variant */
.steps { position: relative; padding-top: 28px; }
.steps.connected::before {
  content: "";
  position: absolute; left: 0; right: 0;
  top: 14px; height: 2px;
  background: linear-gradient(90deg, var(--stone), var(--stone));
  opacity: .9;
}
.step-card { overflow: visible; }
.step-card::before {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  top: -6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--lichen); box-shadow: 0 0 0 4px var(--offwhite);
}
.step-card::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  top: 0; width: 2px; height: 12px; background: var(--stone);
}
@media (max-width: 640px){
  .steps.connected::before { top: 12px; }
  .step-card::after { height: 10px; }
}


/* v5 – Stronger connected timeline line */
.steps.connected{
  position: relative;
  padding-top: 36px;
}
.steps.connected::before{
  content:"";
  position:absolute;
  left: 0; right: 0;
  top: 18px;
  height: 2px;
  background: var(--stone);
  opacity: 1;
  z-index: 1;
  pointer-events:none;
}
.step-card{ position:relative; z-index: 2; background: var(--white); }
.step-card::before{
  content:"";
  position:absolute;
  left:50%; transform: translateX(-50%);
  top: -10px;
  width: 14px; height: 14px;
  border-radius:50%;
  background: var(--lichen);
  box-shadow: 0 0 0 4px var(--offwhite);
  z-index: 3;
}
.step-card::after{
  content:"";
  position:absolute;
  left:50%; transform: translateX(-50%);
  top: 0;
  width: 2px; height: 12px;
  background: var(--stone);
  z-index: 2;
}

/* v5 – Section 35 bottom smoothing */
.pole-35{
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.pole-35::after{ display:none; }
.pole-35 .container{ padding-bottom: 28px; }


/* v6 – Connected timeline with animated progress */
.steps.connected{ position:relative; padding-top:40px; }
.steps.connected::before{
  content:""; position:absolute; left:0; right:0; top:20px; height:3px;
  background: var(--stone); opacity:1; z-index:1;
}
.progress-line{
  position:absolute; left:0; top:20px; height:3px; width:0;
  background: var(--lichen); z-index:2;
  transition: width .6s cubic-bezier(.22,1,.36,1);
  border-radius: 2px;
}
.step-card{ position:relative; z-index:3; }
.step-card::before{
  content:""; position:absolute; left:50%; transform:translateX(-50%);
  top:-12px; width:16px; height:16px; border-radius:50%;
  background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: 1600px 800px, 1400px 680px, 1800px 1000px, 100% 100%, 256px 256px;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0% 0%, 0 0; box-shadow:0 0 0 2px var(--stone);
  z-index:4;
}
.step-card.active::before{ box-shadow:0 0 0 2px var(--lichen); background: var(--lichen); }
.step-card::after{
  content:""; position:absolute; left:50%; transform:translateX(-50%);
  top:0; width:2px; height:14px; background: var(--stone); z-index:2;
}
.step-card.active::after{ background: var(--lichen); }

.step-badge{ background: var(--sand); }
.step-card.active .step-badge{ background: var(--lichen); color: var(--granite); }

/* Step icons */
.step-icon{ position:absolute; top:14px; left:14px; width:20px; height:20px; opacity:.95; }
.step-icon svg{ display:block; width:20px; height:20px; }
.step-card h4{ padding-left:42px; } /* space for icon */

/* v6 – Ensure pole-35 spacing below */
.pole-35{ margin-bottom: 36px; }


/* v7 – spacing + let JS position the progress line */
.subhead + .steps{ margin-top: 12px; }
.progress-line{ top: 0 !important; } /* JS will compute accurate top */


/* v10 – smooth color transitions and progress fade */
.progress-line{
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--lichen) 0%, var(--lichen) calc(100% - 26px), rgba(167,201,87,0) 100%) !important;
  transition: width .35s cubic-bezier(.22,1,.36,1);
}

/* animate node color changes smoothly */
.step-card::before,
.step-card::after,
.step-badge,
.step-card h4,
.step-card p{
  transition: all .28s ease;
}


/* v11 – Hovers on project cards */
.project{
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.project:hover{
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0,0,0,.10);
  border-color: var(--lichen);
}
.project .media-card{
  position: relative;
  overflow: hidden;
}
.project .media-card .ph{
  transition: transform .35s ease;
}
.project:hover .media-card .ph{
  transform: scale(1.04);
}
/* subtle highlight overlay */
.project .media-card::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(60% 60% at 50% 30%, rgba(167,201,87,.12), transparent 60%);
  opacity: 0; transition: opacity .35s ease;
}
.project:hover .media-card::after{ opacity: 1; }

/* Keyboard focus parity */
.project:focus-within,
.project:focus-visible{
  outline: 2px solid var(--lichen);
  outline-offset: 3px;
}

/* v11 – Hovers on method steps */
.step-card{
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background-color .22s ease;
}
.step-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,.08);
  background: var(--white);
  border-color: var(--lichen);
}
.step-card:hover::before{
  box-shadow: 0 0 0 2px var(--lichen), 0 0 0 6px var(--offwhite), 0 0 0 10px rgba(167,201,87,.15);
}

/* Slight text emphasis on hover */
.step-card:hover h4{ opacity: 1; }
.step-card h4{ opacity: .96; transition: opacity .22s ease; }

/* Pointer cursor for affordance */
.project, .step-card{ cursor: default; }
.project a, .step-card a{ cursor: pointer; }

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce){
  .project, .project .media-card .ph, .project .media-card::after,
  .step-card, .step-card h4 {
    transition: none !important;
  }
}


/* v12 – Hero media hover (image à droite) */
.hero-media .media-card{
  position: relative;
  overflow: hidden;
}
.hero-media .hero-ph{
  transition: transform .35s ease, filter .35s ease;
}
.hero-media .media-card::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(70% 60% at 60% 30%, rgba(167,201,87,.12), transparent 65%);
  opacity: 0; transition: opacity .35s ease;
}
.hero-media .media-card:hover .hero-ph{
  transform: scale(1.035) translateY(-2px);
  filter: saturate(1.02);
}
.hero-media .media-card:hover::after{
  opacity: 1;
}

/* v12 – Hover & focus for hero buttons */
.btn{
  transition: transform .18s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease, color .22s ease;
  will-change: transform;
}
.btn:focus-visible{
  outline: 2px solid var(--lichen);
  outline-offset: 3px;
}
.btn.primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
  background: #253138; /* slightly darker than granite */
}
.btn.primary:active{
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(0,0,0,.10);
}
.btn.ghost:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0,0,0,.10);
  border-color: var(--lichen);
  color: var(--granite);
  background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');
  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-size: 1600px 800px, 1400px 680px, 1800px 1000px, 100% 100%, 256px 256px;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0% 0%, 0 0;
}
.btn.ghost:active{
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(0,0,0,.08);
}


/* v13 – subtle colored wash per section */
.section.soft-bg{
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(167,201,87,.10), transparent 60%),
    linear-gradient(180deg, rgba(167,201,87,0.08), rgba(0,0,0,0) 45%);
}
.section.dark{
  background:
    radial-gradient(800px 360px at 88% 0%, rgba(255,255,255,.06), rgba(255,255,255,0) 60%),
    var(--granite);
}


/* v14 – center method text and remove icon spacing */
.step-card{ text-align: center; }
.step-card h4{ padding-left: 0 !important; text-align: center; }
.step-card p{ text-align: center; }


/* v15 – stronger section washes (scroll with content) */
.section{
  position: relative;
}
.section::before{
  content:""; position:absolute; inset:-10px 0 -10px 0; z-index:-1;
  background:
    radial-gradient(800px 340px at 12% 0%, rgba(167,201,87,0.18), transparent 62%),
    radial-gradient(900px 360px at 88% 0%, rgba(241,224,197,0.18), transparent 62%);
  pointer-events:none;
}
.section.dark::before{
  background:
    radial-gradient(900px 380px at 20% 0%, rgba(255,255,255,0.08), transparent 60%),
    radial-gradient(800px 360px at 86% 4%, rgba(255,255,255,0.07), transparent 64%);
}


/* v16 – remove per-section washes to avoid seams; rely on global body gradients */
.section::before{ display: none !important; }


/* v17 – Seamless blend between hero and next section */
.hero.general{ position: relative; }
.hero.general::after{
  content:""; position:absolute; left:0; right:0; bottom:-1px; height:160px;
  background: linear-gradient(180deg, rgba(250,250,248,0) 0%, rgba(250,250,248,0.14) 55%, rgba(250,250,248,0.24) 100%);
  pointer-events: none;
  z-index: 0;
}

/* Intro logo plein écran */
#intro-logo {
  position: fixed;
  inset: 0;
  background: var(--granite);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  animation: fadeOut 1s ease forwards;
  animation-delay: 4.2s; /* Durée avant disparition (ajuste selon la longueur de ton anim) */
}

#intro-logo video {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  pointer-events: none;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* v19 – Hero background video */
.hero.general{ position: relative; }
.hero-bg-video{
  position: absolute;
  inset: 0;
  z-index: -1; /* behind hero content, above page bg */
  overflow: hidden;
}
.hero-bg-video .hero-bg{
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .50;
}


/* v20 – DISPLEG 35 split layout */
.split35{ padding-top: 48px; padding-bottom: 72px; }
.split35-wrap{
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: stretch;
}
.split35-media{
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0,0,0,.22);
  border: 1px solid rgba(0,0,0,.12);
  background: var(--granite);
  min-height: 360px;
}
.split35-img{
  position: absolute; inset:0;
  background: url('assets/35-fibre.jpg') center/cover no-repeat;
  filter: grayscale(.2) contrast(1.05) brightness(.92);
  transform: scale(1.03);
  will-change: transform;
}
.split35-overlay{
  position:absolute; inset:0;
  background:
    linear-gradient(120deg, rgba(43,58,66,.66) 0%, rgba(43,58,66,.38) 40%, rgba(43,58,66,.24) 100%),
    radial-gradient(600px 260px at 12% 12%, rgba(167,201,87,.18), transparent 70%);
  pointer-events:none;
}

/* DISPLEG 35 – deux cartes 3D */

.section-35 {
  padding-top: 56px;
  padding-bottom: 80px;
}

.section-35-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

/* Base des cartes */

.card-35 {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: radial-gradient(circle at 0% 0%, rgba(167,201,87,0.16), rgba(43,58,66,0.98));
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
  transform-style: preserve-3d;
  transform: perspective(1200px) rotateX(0deg) rotateY(0deg) translateZ(0);
  transition:
    transform 0.35s cubic-bezier(.21,.61,.35,1),
    box-shadow 0.35s ease,
    background 0.35s ease;
}

/* Carte image */

.card-35-media {
  position: relative;
  overflow: hidden;
}

.card-35-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s cubic-bezier(.21,.61,.35,1);
}

/* léger glow par dessus, mais pas de filtre sur la photo */
.card-35-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 400px at 20% 0%, rgba(167,201,87,0.14), transparent 70%),
    radial-gradient(900px 500px at 80% 120%, rgba(0,0,0,0.8), transparent 70%);
  mix-blend-mode: soft-light;
  opacity: 0.9;
  transition: opacity 0.4s ease;
}

/* Carte texte */

.card-35-info {
  color: var(--offwhite);
  padding: 30px 30px 32px;

  background:
    radial-gradient(1600px 800px at 12% -8%, rgba(241,224,197,0.70), rgba(250,250,248,0) 68%),
    radial-gradient(1400px 680px at 88% -10%, rgba(167,201,87,0.55), rgba(250,250,248,0) 70%),
    radial-gradient(1800px 1000px at 50% 120%, rgba(43,58,66,0.38), rgba(43,58,66,0) 64%),
    linear-gradient(180deg, rgba(43,58,66,0.20), rgba(250,250,248,0) 42%, rgba(43,58,66,0.16) 100%),
    url('assets/noise.png');

  background-repeat: no-repeat, no-repeat, no-repeat, no-repeat, repeat;
  background-position: 12% 0%, 88% 0%, 50% 120%, 0 0, 0 0;
}

.card-35-info {
  text-shadow: 0 0px 12px rgba(0, 0, 0, 0.45);
}

.card-35-header h2 {
  color: var(--offwhite);
  margin-bottom: 10px;
}

.card-35-header .eyebrow {
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
}

/* Liste de services */

.card-35-list {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.card-35-list li {
  list-style: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(10,16,20,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 8px 18px rgba(0,0,0,0.4);
}

.pill-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--lichen);
  box-shadow: 0 0 0 5px rgba(167,201,87,0.25);
}

.pill-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--offwhite);
}

.pill-desc {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}

/* Hover "3D" de base */

.tilt-card {
  cursor: pointer;
}

.tilt-card:hover .card-35-media img {
  transform: scale(1.00);
}

.tilt-card:hover .card-35-glow {
  opacity: 1;
}

/* Responsive */

@media (max-width: 960px) {
  .section-35-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
}

/* Hover premium sur les pills */
.pill {
  transition:
    transform .28s cubic-bezier(.21,.61,.35,1),
    box-shadow .28s ease,
    background .28s ease;
}

.pill:hover {
  transform: translateY(-3px) scale(1.03);
  background: rgba(20, 26, 30, 0.85);
  box-shadow:
    0 10px 22px rgba(0,0,0,0.35),
    0 0 12px rgba(167,201,87,0.25);
}

.pill-dot {
  transition: transform .25s ease;
}

.pill:hover .pill-dot {
  transform: scale(1.2);
}



/* Content */
.split35-content{
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 22px;
  padding: 36px 32px;
  box-shadow: 0 18px 48px rgba(0,0,0,.22);
  color: var(--offwhite);
}
.split35 .section-head h2{ color: var(--offwhite); }
.split35 .muted{ color: rgba(255,255,255,.86); }
.split35 .bullets{ margin-top: 18px; }
.split35 .bullets li{
  display:flex; align-items:center; gap:10px;
  margin: 10px 0; font-weight: 600;
}
.split35 .bullets .dot{
  width:10px; height:10px; border-radius:50%;
  background: var(--lichen);
  box-shadow: 0 0 0 6px rgba(167,201,87,.88);
}

/* Hover / motion */
.split35-media:hover .split35-img{ transform: scale(1.06); }
.split35-media:hover .split35-overlay{ background:
    linear-gradient(120deg, rgba(43,58,66,.66) 0%, rgba(43,58,66,.36) 40%, rgba(43,58,66,.20) 100%),
    radial-gradient(600px 260px at 16% 18%, rgba(167,201,87,.22), transparent 72%);
}

/* Mobile */
@media (max-width: 960px){
  .split35-wrap{ grid-template-columns: 1fr; gap: 24px; }
  .split35-media{ min-height: 260px; }
}

/* Optional subtle parallax */
@media (prefers-reduced-motion: no-preference){
  .split35-img.parallax{ transition: transform .2s linear; }
}


/* v21 – Global reveal animations */
.reveal-up, .reveal-fade { opacity: 0; transform: translateY(14px); }
.reveal-fade { transform: none; }
.is-visible { opacity: 1; transform: none; transition: opacity .55s ease, transform .65s cubic-bezier(.21,.61,.35,1); }

/* Stagger helper via custom property */
.stagger > * { transition-delay: var(--d, 0s); }
.stagger-children > * { opacity: 0; transform: translateY(12px); }
.stagger-children.is-visible > * { opacity: 1; transform: none; }
.stagger-children > * { transition: opacity .5s ease, transform .6s cubic-bezier(.21,.61,.35,1); }

/* NERZH project cards initial state */
#nerzh .projects .project { opacity: 0; transform: translateY(12px); }
#nerzh .projects .project.is-visible { opacity: 1; transform: none; transition: opacity .5s ease, transform .6s cubic-bezier(.21,.61,.35,1); }

/* 35 split detail: allow inner stagger */
.split35-content .bullets li { opacity: 0; transform: translateY(10px); }
.split35-content.is-visible .bullets li { opacity: 1; transform: none; transition: opacity .5s ease, transform .6s cubic-bezier(.21,.61,.35,1); }
.split35-media { opacity: 0; transform: translateY(16px); }
.split35-media.is-visible { opacity: 1; transform: none; transition: opacity .6s ease, transform .7s cubic-bezier(.21,.61,.35,1); }

/* prefers-reduced-motion: no animations */
@media (prefers-reduced-motion: reduce){
  .reveal-up, .reveal-fade, .stagger > *, .stagger-children > *, 
  #nerzh .projects .project, .split35-media, .split35-content .bullets li {
    transition: none !important; opacity: 1 !important; transform: none !important;
  }
}

/* Pages chantier NERZH */

.page-project {
  padding-bottom: 80px;
}

/* HERO */

.project-hero {
  padding-top: 80px;
  padding-bottom: 40px;
}

.project-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.project-hero-media {
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
  background: #000;
}

.project-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Carte résumé */

.project-hero-card {
  border-radius: 26px;
  padding: 28px 28px 30px;
  background: linear-gradient(165deg, #f5f5f5, #dedede);
  box-shadow: 0 18px 40px rgba(0,0,0,0.18);
}

.project-hero-card h1 {
  font-size: clamp(26px, 3vw, 30px);
  margin-bottom: 10px;
}

.project-meta {
  margin-top: -20px;
  display: grid;
  gap: 8px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(0,0,0,0.55);
}

.meta-value {
  font-weight: 600;
  color: #111;
}

.project-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Détails */

.project-details {
  padding: 20px 0 40px;
}

.project-details-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
}

.project-card {
  border-radius: 22px;
  padding: 22px 24px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 14px 30px rgba(0,0,0,0.12);
}

.project-list {
  margin-top: 12px;
  list-style: disc;
  padding-left: 18px;
}

/* Étapes méthode NERZH */

.project-method {
  padding: 10px 0 40px;
}

.project-steps {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}

.step-card {
  border-radius: 18px;
  padding: 18px 18px 20px;
  background: #f6f6f6;
  box-shadow: 0 10px 22px rgba(0,0,0,0.08);
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: #a7c957;
  color: #111;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 8px;
}

/* CTA */

.project-cta {
  padding-top: 30px;
}

.project-cta-inner {
  border-radius: 22px;
  padding: 22px 24px;
  background: linear-gradient(135deg, #232d32, #151b1f);
  color: #fdfdfd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.project-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Responsive */

@media (max-width: 960px) {
  .project-hero-grid,
  .project-details-grid,
  .project-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .project-hero {
    padding-top: 64px;
  }

  .project-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.tilt-card {
  cursor: pointer;
  transform-style: preserve-3d;
  transform: perspective(1200px) rotateX(0deg) rotateY(0deg) translateZ(0);
  transition:
    transform 0.35s cubic-bezier(.21,.61,.35,1),
    box-shadow 0.35s ease;
}

/* optionnel : hover un peu plus profond */
.tilt-card:hover {
  box-shadow:
    0 24px 60px rgba(0,0,0,0.30),
    0 0 18px rgba(0,0,0,0.15);
}

.project-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Optionnel : focus clavier visible sur la carte entière */
.project-link:focus-visible .project {
  outline: 2px solid var(--lichen);
  outline-offset: 4px;
}

/* Chantiers */
.back-btn {
  display: inline-block;
  margin: 20px 0 0 20px;
  padding: 10px 16px;
  background: rgba(240, 240, 240, 0.5);
  backdrop-filter: blur(6px);
  border-radius: 12px;
  font-weight: 600;
  color: #1a1a1a;
  text-decoration: none;
  font-size: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: 0.25s ease;
}

.back-btn:hover {
  transform: translateX(-4px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.15);
  background: rgba(240,240,240,0.8);
}

/* Galerie d’images chantier */

.project-gallery {
  padding: 10px 0 40px;
}

.project-gallery .section-head {
  margin-bottom: 18px;
}

.project-gallery-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-shot {
  border-radius: 20px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 16px 36px rgba(0,0,0,0.16);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-shot-img {
  position: relative;
  overflow: hidden;
}

.project-shot-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.03);
  transition: transform 0.4s cubic-bezier(.21,.61,.35,1);
}

/* léger glow au survol, sans flinguer le contraste */
.project-shot-img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(60% 60% at 50% 25%, rgba(167,201,87,0.18), transparent 65%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.project-shot:hover .project-shot-img img {
  transform: scale(1.00);
}

.project-shot:hover .project-shot-img::after {
  opacity: 1;
}

.project-shot-caption {
  padding: 12px 14px 14px;
  font-size: 14px;
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 960px) {
  .project-gallery-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Animation d'apparition au scroll */

.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(4px);
  transition:
    opacity 0.55s ease-out,
    transform 0.55s cubic-bezier(.21,.61,.35,1),
    filter 0.55s ease-out;
  will-change: opacity, transform, filter;
}

/* Quand l'élément devient visible */
.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}


/* ============================= */
/*   VERSION MOBILE (< 768px)    */
/* ============================= */
@media (max-width: 768px) {

  body {
    font-size: 15px;
  }

  .container {
    padding-inline: 16px;
  }

  /* HERO */
  .hero {
    padding: 68px 0 80px;
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0,1fr);
    justify-items: center;
    text-align: center;
    gap: 24px;
  }

  .hero-copy {
    max-width: 540px;
  }

  .hero-logo {
    width: 190px;
    margin-bottom: 10px;
  }

  .hero-copy .lede {
    font-size: 15px;
    margin-bottom: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* NAV HEADER */
  .brand-logo {
    height: 26px;
  }

  /* GRILLES PRINCIPALES */
  .projects-grid,
  .section-35-grid,
  .project-gallery-row,
  .project-details-grid,
  .project-steps,
  .contact-grid,
  .footer-grid {
    grid-template-columns: minmax(0,1fr);
    gap: 18px;
  }

  /* DISPLEG 35 : image au-dessus du texte */
  .section-35-grid {
    align-items: stretch;
  }
  .card-35-media {
    order: -1;
  }

  /* CARTES GÉNÉRALES (réduites) */
  .project-card,
  .project-hero-card,
  .card-35-info,
  .project-shot,
  .step-card {
    border-radius: 14px;
    padding: 16px 16px 18px;
  }

  .project-shot-caption {
    font-size: 13px;
  }

  .project-meta {
    gap: 6px;
  }

  .meta-label {
    font-size: 10px;
  }
  .meta-value {
    font-size: 14px;
  }

  /* ICONES & RONDS (plus petits) */
  .pill-dot {
    width: 7px;
    height: 7px;
  }

  .step-index {
    width: 22px;
    height: 22px;
    font-size: 12px;
  }

  .pill {
    padding: 8px 10px;
    font-size: 13px;
  }

  /* FOOTER */
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 768px) {

  /* On masque la barre de progression et la ligne verticale */
  .method-progress {
    display: none !important;
  }

  /* Les blocs méthode deviennent des petites cartes simples */
  .method-steps {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    margin-top: 8px;
  }

  .method-step {
    border-radius: 14px;
    padding: 14px 14px 16px;
    background: rgba(20, 26, 30, 0.92);
    box-shadow: 0 12px 26px rgba(0,0,0,0.35);
  }

  .method-step h3 {
    font-size: 15px;
    margin-bottom: 4px;
  }

  .method-step p {
    font-size: 13px;
    line-height: 1.4;
  }
}
  .method-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 10px;
  }

.contact-form textarea {
    min-height: 150px;  
    resize: vertical;   
    padding: 15px;
    font-size: 16px;
    line-height: 1.4;
}

/* Centre parfaitement la rangée finale contenant la 4e image */
.final-step-row {
  display: flex !important;
  justify-content: center !important;
  margin-top: 26px;
}

/* Taille propre et centrée pour la carte finale */
.final-step {
  width: 100%;
  max-width: 600px !important;
}
.final-step-row {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.final-step {
  max-width: 480px;
  width: 100%;
}
/* =========================
   LIGHTBOX
   ========================= */
body.lb-open { overflow: hidden; }

.lb {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity .22s ease;
}

.lb.is-open {
  pointer-events: auto;
  opacity: 1;
}

.lb__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 18, .72);
  backdrop-filter: blur(6px);
}

.lb__ui {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(14px, 2.5vw, 28px);
}

.lb__stage {
  position: relative;
  max-width: min(1100px, 92vw);
  max-height: 82vh;
  width: 100%;
  display: grid;
  place-items: center;
  gap: 12px;
}

.lb__img {
  max-width: 100%;
  max-height: 72vh;
  width: auto;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  user-select: none;
  -webkit-user-drag: none;
  opacity: 1;
  transition: opacity .18s ease;
}

.lb__caption {
  margin: 0;
  color: rgba(255,255,255,.86);
  font-size: 14px;
  text-align: center;
  max-width: 90ch;
}

.lb__btn {
  position: absolute;
  border: 0;
  cursor: pointer;
  color: #fff;
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: transform .18s ease, background .18s ease, opacity .18s ease;
  display: grid;
  place-items: center;
}

.lb__btn:hover { background: rgba(255,255,255,.16); transform: translateY(-1px); }
.lb__btn:active { transform: translateY(0); }

.lb__btn--close {
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-size: 18px;
}

.lb__btn--prev,
.lb__btn--next {
  top: 50%;
  transform: translateY(-10%);
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 32px;
  line-height: 1;
}

.lb__btn--prev { left: 18px; }
.lb__btn--next { right: 18px; }

@media (max-width: 700px) {
  .lb__btn--prev, .lb__btn--next { width: 46px; height: 46px; border-radius: 16px; }
  .lb__btn--prev { left: 10px; }
  .lb__btn--next { right: 10px; }
  .lb__btn--close { top: 10px; right: 10px; }
}

/* Clone pour l'animation "zoom depuis la carte" */
.lb-clone {
  position: fixed;
  z-index: 10000;
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
  will-change: transform, width, height, left, top;
  transform-origin: center center;
  transition: transform .32s cubic-bezier(.2,.9,.2,1),
              width .32s cubic-bezier(.2,.9,.2,1),
              height .32s cubic-bezier(.2,.9,.2,1),
              left .32s cubic-bezier(.2,.9,.2,1),
              top .32s cubic-bezier(.2,.9,.2,1),
              opacity .18s ease;
}
/* Zoom & pan dans la lightbox */
.lb__stage { touch-action: none; } /* permet pinch/pan sans scroll parasite */

.lb__img {
  transform-origin: center center;
  cursor: zoom-in;
}

.lb__img.is-zoomed { cursor: grab; }
.lb__img.is-zoomed:active { cursor: grabbing; }

/* Flèche retour */
.back-arrow{
  position:fixed;
  top:24px;
  left:24px;
  z-index:10;
  font-size:22px;
  text-decoration:none;
  color:#fff;
  background:rgba(0,0,0,.2);
  backdrop-filter:blur(8px);
  padding:10px 14px;
  border-radius:14px;
  transition:background .2s ease, transform .2s ease;
}
.back-arrow:hover{
  background:rgba(0,0,0,.5);
  transform:translateY(-1px);
}

/* Galerie simple */
.simple-gallery{
  min-height:100vh;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:32px;
  padding:120px 8vw 80px;
}

.simple-shot img{
  width:100%;
  height:auto;
  border-radius:22px;
  cursor:zoom-in;
  transition:transform .35s ease;
}
.simple-shot img:hover{
  transform:translateY(-4px);
}

html, body { height: 100%; }

body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(1100px 700px at 85% 10%, rgba(167,201,87,.35), rgba(0,0,0,0) 60%),
    radial-gradient(900px 600px at 20% 20%, rgba(241,224,197,.45), rgba(0,0,0,0) 55%),
    radial-gradient(1200px 900px at 50% 80%, rgba(218,215,205,.55), rgba(0,0,0,0) 60%),
    #FAFAF8;
  background-attachment: fixed;
}

.project-shot-caption:empty{
  display:none;
}

.project-shot{
  background: rgba(250,250,248,.55);
  border: 1px solid rgba(43,58,66,.08);
  backdrop-filter: blur(10px);
}

/* 4e */
.centered {
  display: flex !important;
  justify-content: center !important;
  margin-top: 26px;
}

/* Taille propre et centrée pour la carte finale */
.final-step {
  width: 100%;
  max-width: 350px !important;
}
.centered {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.centered {
  max-width: 480px;
  width: 100%;