/* ============================================================
   Façades & Patrimoine — Variante PREMIUM
   Ravalement d'exception & valorisation du patrimoine
   Palette anthracite + doré/laiton, titres serif
   ============================================================ */

:root {
  --bg:        #101216;
  --bg-2:      #161a21;
  --surface:   #1c2129;
  --surface-2: #232a34;
  --line:      #2c3540;
  --text:      #ECECEC;
  --muted:     #9aa0aa;
  --accent:    #C7A24B;
  --accent-2:  #d8b96a;
  --accent-dk: #a8853a;
  --stone:     #b9a98f;
  --success:   #6fae7d;
  --serif: Georgia, "Times New Roman", "Iowan Old Style", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: #fff; letter-spacing: .2px; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0 0 .5em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); margin: 0 0 .6em; }
h3 { font-size: 1.25rem; margin: 0 0 .4em; }

p { margin: 0 0 1rem; }

a { color: var(--accent-2); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--accent); }

img, svg { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
}

.section { padding: 88px 0; }
.section--tight { padding: 60px 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: #1a1208; padding: 10px 18px; font-weight: 700; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--sans); font-weight: 600; font-size: .95rem;
  padding: 14px 26px; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: all .25s var(--ease); letter-spacing: .02em;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-dk));
  color: #1a1208; box-shadow: 0 8px 24px rgba(199,162,75,.22);
}
.btn--primary:hover { color: #1a1208; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(199,162,75,.34); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { color: #fff; border-color: var(--accent); background: rgba(199,162,75,.06); }
.btn--lg { padding: 16px 34px; font-size: 1.02rem; }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(16,18,22,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { width: 40px; height: 40px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--serif); font-size: 1.18rem; color: #fff; font-weight: 600; }
.brand__tag { font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }

.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.main-nav a {
  display: block; color: var(--muted); padding: 8px 14px; font-size: .92rem; font-weight: 500;
  border-radius: var(--radius); transition: color .2s, background .2s;
}
.main-nav a:hover { color: #fff; }
.main-nav a.active { color: var(--accent-2); }
.main-nav a.active::after {
  content: ""; display: block; height: 2px; width: 20px; margin: 4px auto 0;
  background: var(--accent); border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 520px at 80% -10%, rgba(199,162,75,.16), transparent 60%),
    radial-gradient(800px 500px at 0% 100%, rgba(185,169,143,.08), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 90px 0 96px; }
.hero h1 { color: #fff; }
.hero h1 em { font-style: italic; color: var(--accent-2); }
.hero__lead { font-size: 1.18rem; color: var(--muted); max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__meta { display: flex; gap: 30px; margin-top: 38px; flex-wrap: wrap; }
.hero__meta div { border-left: 2px solid var(--accent); padding-left: 14px; }
.hero__meta strong { font-family: var(--serif); font-size: 1.7rem; color: #fff; display: block; }
.hero__meta span { font-size: .82rem; color: var(--muted); }

.hero__art { position: relative; }
.hero-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
}
.hero-card svg { width: 100%; height: auto; display: block; }
.hero-badge {
  position: absolute; bottom: -18px; left: -18px; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px 20px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px;
}
.hero-badge svg { width: 30px; height: 30px; }
.hero-badge strong { display: block; color: #fff; font-family: var(--serif); }
.hero-badge span { font-size: .78rem; color: var(--muted); }

/* ---------- Reassurance strip ---------- */
.reassure { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.reassure__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; padding: 40px 0; }
.reassure-item { display: flex; gap: 14px; align-items: flex-start; }
.reassure-item svg { width: 34px; height: 34px; flex: none; color: var(--accent); }
.reassure-item strong { display: block; color: #fff; font-size: .98rem; }
.reassure-item span { font-size: .85rem; color: var(--muted); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 26px; }
.grid--3 { grid-template-columns: repeat(3,1fr); }
.grid--2 { grid-template-columns: repeat(2,1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(199,162,75,.5); box-shadow: var(--shadow); }
.card__icon {
  width: 54px; height: 54px; border-radius: var(--radius); display: grid; place-items: center;
  background: rgba(199,162,75,.1); border: 1px solid rgba(199,162,75,.25); color: var(--accent); margin-bottom: 18px;
}
.card__icon svg { width: 28px; height: 28px; }
.card p { color: var(--muted); font-size: .95rem; }
.card__link { font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: 6px; }
.card__link svg { width: 15px; height: 15px; transition: transform .2s; }
.card__link:hover svg { transform: translateX(3px); }

/* ---------- Why us ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-list { list-style: none; margin: 0; padding: 0; }
.feature-list li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.feature-list li:last-child { border-bottom: none; }
.feature-list .ck {
  width: 28px; height: 28px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: rgba(199,162,75,.12); color: var(--accent); border: 1px solid rgba(199,162,75,.3);
}
.feature-list .ck svg { width: 15px; height: 15px; }
.feature-list strong { color: #fff; display: block; }
.feature-list span { color: var(--muted); font-size: .9rem; }
.media-frame {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface);
  box-shadow: var(--shadow);
}
.media-frame svg { width: 100%; height: auto; }

/* ---------- Process ---------- */
.process { background: var(--bg-2); }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 26px; counter-reset: step; }
.step { position: relative; padding-top: 14px; }
.step__num {
  font-family: var(--serif); font-size: 2.6rem; color: var(--accent); opacity: .55; line-height: 1; margin-bottom: 8px;
}
.step h3 { font-size: 1.1rem; }
.step p { color: var(--muted); font-size: .9rem; }
.step::after {
  content: ""; position: absolute; top: 28px; right: -13px; width: 26px; height: 1px; background: var(--line);
}
.step:last-child::after { display: none; }

/* ---------- Stats ---------- */
.stats__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat { padding: 26px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.stat strong { font-family: var(--serif); font-size: 2.4rem; color: var(--accent-2); display: block; }
.stat span { color: var(--muted); font-size: .9rem; }

/* ---------- Testimonials ---------- */
.testimonial {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px;
}
.testimonial__stars { color: var(--accent); letter-spacing: 2px; margin-bottom: 12px; }
.testimonial p { font-style: italic; color: var(--text); }
.testimonial__who { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-dk)); color: #1a1208; font-weight: 700; font-family: var(--serif);
}
.testimonial__who strong { color: #fff; font-size: .92rem; display: block; }
.testimonial__who span { color: var(--muted); font-size: .82rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(199,162,75,.18), transparent 60%),
    linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 56px; text-align: center;
}
.cta-band h2 { max-width: 18ch; margin: 0 auto .5em; }
.cta-band p { color: var(--muted); max-width: 52ch; margin: 0 auto 26px; }
.cta-band .hero__cta { justify-content: center; }

/* ---------- Page hero (inner) ---------- */
.page-hero {
  background:
    radial-gradient(900px 400px at 75% -20%, rgba(199,162,75,.14), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  padding: 70px 0 60px; border-bottom: 1px solid var(--line);
}
.page-hero p { color: var(--muted); max-width: 60ch; font-size: 1.08rem; }
.breadcrumb { font-size: .82rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent-2); }

/* ---------- Service detail ---------- */
.service-row {
  display: grid; grid-template-columns: 90px 1fr; gap: 26px; padding: 34px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.service-row__icon {
  width: 76px; height: 76px; border-radius: var(--radius); display: grid; place-items: center;
  background: rgba(199,162,75,.1); border: 1px solid rgba(199,162,75,.25); color: var(--accent);
}
.service-row__icon svg { width: 40px; height: 40px; }
.service-row ul { margin: 14px 0 18px; padding-left: 0; list-style: none; columns: 2; }
.service-row ul li { padding: 4px 0 4px 22px; position: relative; color: var(--muted); font-size: .92rem; break-inside: avoid; }
.service-row ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---------- Realisations gallery ---------- */
.filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  background: var(--surface); border: 1px solid var(--line); color: var(--muted);
  padding: 9px 20px; border-radius: 100px; cursor: pointer; font-size: .9rem; font-weight: 500;
  transition: all .2s var(--ease); font-family: var(--sans);
}
.filter-btn:hover { color: #fff; border-color: var(--accent); }
.filter-btn.active { background: var(--accent); color: #1a1208; border-color: var(--accent); font-weight: 600; }

.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.project {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.project:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.project.is-hidden { display: none; }
.ba {
  position: relative; height: 220px; overflow: hidden; cursor: ew-resize;
}
.ba__after, .ba__before { position: absolute; inset: 0; }
.ba__after svg, .ba__before svg { width: 100%; height: 100%; }
.ba__before { width: 50%; border-right: 2px solid var(--accent); overflow: hidden; }
.ba__before svg { width: 200%; }
.ba__tag {
  position: absolute; top: 10px; padding: 3px 10px; font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; border-radius: 3px; backdrop-filter: blur(4px);
}
.ba__tag--before { left: 10px; background: rgba(0,0,0,.55); color: #fff; }
.ba__tag--after { right: 10px; background: rgba(199,162,75,.9); color: #1a1208; }
.ba__hint { position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%); font-size: .7rem; color: #fff; background: rgba(0,0,0,.5); padding: 2px 10px; border-radius: 100px; pointer-events: none; }
.project__body { padding: 20px 22px 24px; }
.project__body h3 { font-size: 1.1rem; margin-bottom: 4px; }
.project__meta { display: flex; gap: 14px; color: var(--muted); font-size: .82rem; margin-top: 6px; }
.project__cat { display: inline-block; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }

/* ---------- Simulator ---------- */
.sim { max-width: 760px; margin: 0 auto; }
.sim__progress { height: 6px; background: var(--surface-2); border-radius: 100px; overflow: hidden; margin-bottom: 8px; }
.sim__bar { height: 100%; width: 20%; background: linear-gradient(90deg, var(--accent-dk), var(--accent-2)); transition: width .4s var(--ease); }
.sim__count { text-align: right; font-size: .82rem; color: var(--muted); margin-bottom: 28px; }
.sim__step { display: none; animation: fade .4s var(--ease); }
.sim__step.active { display: block; }
.sim__step h3 { font-size: 1.5rem; }
.sim__step > p { color: var(--muted); margin-bottom: 24px; }
.options { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.option {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px 20px;
  cursor: pointer; transition: all .2s var(--ease); background: var(--surface);
}
.option:hover { border-color: var(--accent); }
.option input { position: absolute; opacity: 0; }
.option__title { color: #fff; font-weight: 600; display: block; }
.option__desc { color: var(--muted); font-size: .85rem; }
.option input:checked ~ .option__check { opacity: 1; }
.option:has(input:checked) { border-color: var(--accent); background: rgba(199,162,75,.08); }
.option__check { position: absolute; top: 14px; right: 14px; color: var(--accent); opacity: 0; transition: opacity .2s; }
.option__check svg { width: 20px; height: 20px; }

.field { margin-bottom: 18px; }
.field label { display: block; font-size: .9rem; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--line); color: var(--text);
  padding: 13px 15px; border-radius: var(--radius); font-family: var(--sans); font-size: .98rem;
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field textarea { resize: vertical; min-height: 120px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }

.sim__nav { display: flex; justify-content: space-between; gap: 14px; margin-top: 30px; }
.sim__note {
  margin-top: 30px; padding: 18px 22px; background: rgba(199,162,75,.07); border: 1px solid rgba(199,162,75,.25);
  border-radius: var(--radius-lg); display: flex; gap: 14px; align-items: flex-start;
}
.sim__note svg { width: 26px; height: 26px; color: var(--accent); flex: none; }
.sim__note p { margin: 0; font-size: .9rem; color: var(--muted); }
.sim__done { text-align: center; padding: 30px 0; }
.sim__done .ok-icon {
  width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 24px; display: grid; place-items: center;
  background: rgba(111,174,125,.12); border: 1px solid rgba(111,174,125,.4); color: var(--success);
}
.sim__done .ok-icon svg { width: 40px; height: 40px; }

.checkbox { display: flex; gap: 12px; align-items: flex-start; }
.checkbox input { width: auto; margin-top: 4px; flex: none; }
.checkbox label { font-weight: 400; font-size: .88rem; color: var(--muted); }

/* ---------- Form feedback ---------- */
.form-status {
  display: none; margin-top: 18px; padding: 16px 20px; border-radius: var(--radius-lg);
  background: rgba(111,174,125,.12); border: 1px solid rgba(111,174,125,.4); color: var(--success);
  font-size: .92rem;
}
.form-status.show { display: block; animation: fade .4s var(--ease); }

/* ---------- About / team ---------- */
.team-card { text-align: center; }
.team-card .avatar { width: 88px; height: 88px; font-size: 1.6rem; margin: 0 auto 16px; }
.team-card h3 { margin-bottom: 2px; }
.team-card .role { color: var(--accent); font-size: .85rem; margin-bottom: 10px; }
.team-card p { color: var(--muted); font-size: .9rem; }

.cert-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.cert {
  text-align: center; padding: 26px 16px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--surface);
}
.cert svg { width: 44px; height: 44px; margin: 0 auto 12px; color: var(--accent); }
.cert strong { display: block; color: #fff; }
.cert span { font-size: .82rem; color: var(--muted); }

.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { display: grid; gap: 20px; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; }
.contact-line svg { width: 24px; height: 24px; color: var(--accent); flex: none; margin-top: 2px; }
.contact-line strong { display: block; color: #fff; font-size: .95rem; }
.contact-line span, .contact-line a { color: var(--muted); font-size: .92rem; }
.map-placeholder {
  height: 240px; border-radius: var(--radius-lg); border: 1px solid var(--line); overflow: hidden;
  background:
    repeating-linear-gradient(45deg, var(--surface) 0 18px, var(--surface-2) 18px 36px);
  position: relative; display: grid; place-items: center;
}
.map-placeholder .pin {
  background: var(--accent); color: #1a1208; padding: 8px 18px; border-radius: 100px; font-weight: 600; font-size: .85rem;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 8px;
}
.map-placeholder .pin svg { width: 18px; height: 18px; }

.zones { display: flex; flex-wrap: wrap; gap: 10px; }
.zone-chip { background: var(--surface); border: 1px solid var(--line); padding: 7px 16px; border-radius: 100px; font-size: .85rem; color: var(--muted); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--muted); font-size: .9rem; max-width: 34ch; }
.site-footer h4 { font-family: var(--sans); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer ul a { color: var(--muted); font-size: .9rem; }
.site-footer ul a:hover { color: #fff; }
.footer-contact li { color: var(--muted); font-size: .9rem; display: flex; gap: 9px; }
.footer-contact svg { width: 16px; height: 16px; color: var(--accent); flex: none; margin-top: 3px; }
.footer-bottom {
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .82rem; color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--accent-2); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__art { order: -1; max-width: 460px; }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid--3, .value-grid { grid-template-columns: repeat(2,1fr); }
  .steps, .reassure__grid, .stats__grid, .cert-grid { grid-template-columns: repeat(2,1fr); }
  .step::after { display: none; }
  .gallery { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .main-nav {
    position: fixed; inset: 76px 0 auto 0; background: var(--bg-2); border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .35s var(--ease); padding: 16px 0 22px; max-height: calc(100vh - 76px); overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: 2px; padding: 0 16px; }
  .main-nav a { padding: 13px 16px; font-size: 1rem; border-radius: var(--radius); }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: rgba(199,162,75,.1); }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .grid--3, .grid--2, .value-grid, .cert-grid, .stats__grid, .reassure__grid, .steps, .gallery, .options { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 1fr; }
  .service-row ul { columns: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
  .field--row, .field--row.field { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 24px; }
  .hero__meta { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   CRO — additions (barre mobile, modale, trust bar, FAQ)
   ============================================================ */

/* ---------- Trust bar (sous le hero) ---------- */
.trust-bar { background: var(--bg-2); border-bottom: 1px solid var(--line); }
.trust-bar__inner { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 26px; padding: 18px 0; }
.trust-bar__rating { display: inline-flex; align-items: center; gap: 8px; font-family: var(--serif); color: #fff; }
.trust-bar__stars { color: var(--accent); letter-spacing: 2px; }
.trust-bar__rating span { color: var(--muted); font-family: var(--sans); font-size: .88rem; }
.trust-chip { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; letter-spacing: .04em; color: var(--stone); font-weight: 500; }
.trust-chip svg { width: 15px; height: 15px; flex: none; color: var(--accent); }
.trust-bar__sep { width: 1px; height: 22px; background: var(--line); }

/* ---------- Étude patrimoniale (encart près du hero) ---------- */
.incite { display: inline-flex; align-items: center; gap: 12px; margin-top: 24px; padding: 12px 20px; background: rgba(199,162,75,.07); border: 1px solid rgba(199,162,75,.28); border-radius: var(--radius); color: var(--stone); font-size: .9rem; letter-spacing: .02em; }
.incite svg { width: 22px; height: 22px; flex: none; color: var(--accent); }

/* ---------- Réassurance formulaire ---------- */
.form-reassure { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: center; margin-top: 14px; font-size: .84rem; color: var(--muted); }
.form-reassure span { display: inline-flex; align-items: center; gap: 6px; }
.form-reassure svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* ---------- FAQ accordéon ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); margin-bottom: 12px; overflow: hidden; }
.faq__q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; font-family: var(--serif); font-size: 1.08rem; font-weight: 600; color: #fff; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq__q:hover { color: var(--accent-2); }
.faq__icon { width: 22px; height: 22px; flex: none; color: var(--accent); transition: transform .3s var(--ease); }
.faq__q[aria-expanded="true"] .faq__icon { transform: rotate(45deg); }
.faq__a { display: none; padding: 0 24px 22px; color: var(--muted); font-size: .96rem; }
.faq__a p { margin: 0; }
.faq__item.open .faq__a { display: block; animation: fade .35s var(--ease); }

/* ---------- Barre d'action mobile fixe ---------- */
.mobile-bar { display: none; }
.mobile-bar a {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-family: var(--sans); font-weight: 600; font-size: .9rem; padding: 14px 8px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; text-decoration: none; letter-spacing: .02em;
}
.mobile-bar svg { width: 17px; height: 17px; flex: none; }
.mobile-bar__call { background: transparent; color: var(--text); border-color: var(--line); }
.mobile-bar__quote { background: linear-gradient(135deg, var(--accent-2), var(--accent-dk)); color: #1a1208; }

/* ---------- Bouton flottant ---------- */
.fab-callback {
  position: fixed; right: 18px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-dk)); color: #1a1208; border: none; cursor: pointer;
  font-family: var(--sans); font-weight: 600; font-size: .88rem;
  padding: 13px 20px; border-radius: var(--radius); box-shadow: var(--shadow);
}
.fab-callback:hover { color: #1a1208; transform: translateY(-2px); }
.fab-callback svg { width: 18px; height: 18px; }

/* ---------- Modale ---------- */
.modal { position: fixed; inset: 0; z-index: 300; display: none; }
.modal.open { display: block; }
.modal__overlay { position: absolute; inset: 0; background: rgba(8,9,12,.7); backdrop-filter: blur(3px); }
.modal__dialog {
  position: relative; max-width: 460px; width: calc(100% - 32px); margin: 8vh auto 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); padding: 32px; animation: fade .3s var(--ease);
  max-height: 86vh; overflow-y: auto;
}
.modal__close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); cursor: pointer; font-size: 1.2rem; line-height: 1; display: grid; place-items: center; }
.modal__close:hover { color: #fff; border-color: var(--accent); }
.modal__title { font-size: 1.5rem; margin-bottom: 4px; }
.modal__sub { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.modal .form-status { text-align: left; }

/* ---------- Responsive CRO ---------- */
@media (max-width: 767px) {
  .mobile-bar {
    display: flex; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    padding: 9px 12px calc(9px + env(safe-area-inset-bottom, 0px));
    background: rgba(16,18,22,.94); backdrop-filter: blur(12px); border-top: 1px solid var(--line);
  }
  body { padding-bottom: 78px; }
  .fab-callback { display: none; }
}

@media print {
  .mobile-bar, .fab-callback, .modal { display: none !important; }
  body { padding-bottom: 0 !important; }
}

/* ============================================================
   Finalisation premium : patrimoine pierre/sauge + photos
   ============================================================ */
:root{
  --bg:#101814;--bg-2:#16221c;--surface:#1c2a23;--surface-2:#25352d;--line:#35483d;
  --accent:#9fbe9f;--accent-2:#c8ddbd;--accent-dk:#739170;--stone:#d6c7ab;
  --serif:"Palatino Linotype", Palatino, ui-serif, Georgia, serif;
  --photo-hero:url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1200&q=82");
  --photo-work-1:url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=900&q=78");
  --photo-work-2:url("https://images.unsplash.com/photo-1560518883-ce09059eeffa?auto=format&fit=crop&w=900&q=78");
  --photo-work-3:url("https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=900&q=78");
}
.hero__art .hero-card,.media-frame,.ba,.map-placeholder{background-size:cover!important;background-position:center!important;overflow:hidden;isolation:isolate}
.hero__art .hero-card{min-height:360px;background-image:linear-gradient(135deg,rgba(16,24,20,.16),rgba(16,24,20,.34)),var(--photo-hero)!important}
.media-frame{min-height:320px;background-image:linear-gradient(135deg,rgba(16,24,20,.2),rgba(16,24,20,.42)),var(--photo-work-2)!important}
.ba{background-image:linear-gradient(180deg,rgba(16,24,20,.05),rgba(16,24,20,.62)),var(--photo-work-1)!important}
.project:nth-child(2n) .ba{background-image:linear-gradient(180deg,rgba(16,24,20,.05),rgba(16,24,20,.62)),var(--photo-work-3)!important}
.map-placeholder{background-image:linear-gradient(135deg,rgba(16,24,20,.66),rgba(37,53,45,.52)),var(--photo-hero)!important}
.hero__art .hero-card>svg,.media-frame>svg,.ba svg{opacity:0;visibility:hidden}
.brand__logo [stroke="#C7A24B"],.brand__logo[stroke="#C7A24B"]{stroke:var(--accent)!important}
.brand__logo [fill="#C7A24B"],.brand__logo[fill="#C7A24B"]{fill:var(--accent)!important}
@media(max-width:760px){.hero__art .hero-card,.media-frame{min-height:260px}.ba{aspect-ratio:16/11}}

/* a11y helper */
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- Illustrated avatars ---------- */
.avatar.avatar--illustrated {
  background: transparent !important;
  color: transparent !important;
  overflow: hidden;
  padding: 0;
  border: 2px solid rgba(255,255,255,.75);
  box-shadow: 0 8px 20px rgba(15,23,42,.14);
}
.avatar.avatar--illustrated img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.avatar.avatar--illustrated + span { min-width: 0; }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ---------- Specialist network ---------- */
.specialist-network {
  padding: 56px 0;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(245,247,250,.88));
  border-top: 1px solid rgba(148,163,184,.26);
  border-bottom: 1px solid rgba(148,163,184,.26);
}
.specialist-network__head {
  max-width: 760px;
  margin-bottom: 24px;
}
.specialist-network__head h2 {
  margin-bottom: 8px;
}
.specialist-network__head p {
  color: var(--muted, #64748b);
}
.network-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.network-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 132px;
  padding: 18px;
  border-radius: var(--radius, 12px);
  border: 1px solid rgba(148,163,184,.3);
  background: rgba(255,255,255,.92);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(15,23,42,.08);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.network-card:hover {
  transform: translateY(-3px);
  border-color: #c7a24b;
  box-shadow: 0 16px 36px rgba(15,23,42,.14);
}
.network-card span {
  color: #c7a24b;
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.network-card strong {
  color: var(--text, #111827);
  font-size: 1rem;
}
.network-card small {
  color: var(--muted, #64748b);
  line-height: 1.45;
}