/* =====================================================================
   Sud Rénovation — Démo GridCore.lu  ·  v3
   Carrelage & travaux intérieurs · Luxembourg-Sud
   Palette « Terracotta & Charbon chaud » · Space Grotesk + Inter
   Motion tasteful, prefers-reduced-motion-safe.
   ===================================================================== */

/* 1. TOKENS ----------------------------------------------------------- */
:root {
  --ink: #211B17;
  --ink-2: #2A2420;
  --ink-3: #352D27;
  --ink-deep: #181310;
  --txt-on-dark: #F4EFE8;
  --txt-on-dark-soft: rgba(244, 239, 232, .68);
  --txt-on-dark-faint: rgba(244, 239, 232, .42);
  --line-d: rgba(244, 239, 232, .12);
  --line-d-strong: rgba(244, 239, 232, .22);

  --paper: #F4EFE8;
  --paper-2: #E8DFD2;
  --surface: #FFFCF7;
  --txt: #2B2320;
  --txt-soft: #6B6157;
  --line: rgba(43, 35, 32, .12);
  --line-strong: rgba(43, 35, 32, .2);

  --clay: #C2603C;
  --clay-2: #A84E2E;
  --clay-ink: #934022;
  --clay-soft: #D98A63;
  --clay-grad: linear-gradient(135deg, #C2603C, #A84E2E);
  --olive: #6B7B3C;
  --olive-deep: #55632F;

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 26px;
  --shadow: 0 1px 2px rgba(43, 35, 32, .06), 0 24px 60px -34px rgba(43, 35, 32, .34);
  --shadow-d: 0 30px 80px -40px rgba(0, 0, 0, .72);
  --maxw: 1180px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --demobar-h: 38px;
  --nav-h: 72px;
}

/* 2. RESET / BASE ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--txt);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.02em;
}
a { color: inherit; text-decoration: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 40px);
}

.section { padding: clamp(64px, 9vw, 116px) 0; position: relative; }
.section--light { background: var(--paper); color: var(--txt); }
.section--stone { background: var(--paper-2); color: var(--txt); }
.section--dark { background: var(--grain), var(--ink); color: var(--txt-on-dark); }
.section--dark-2 { background: var(--grain), var(--ink-2); color: var(--txt-on-dark); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--clay-ink);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--clay-grad);
  border-radius: 2px;
}
.section--dark .eyebrow, .section--dark-2 .eyebrow, .hero .eyebrow { color: var(--clay-soft); }

/* en-têtes de section : centrés */
.section-head { max-width: clamp(560px, 92%, 880px); margin: 0 auto clamp(34px, 5vw, 56px); text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 14px 0 0; text-wrap: balance; }
.section-head p { margin: 16px auto 0; color: var(--txt-soft); font-size: 1.05rem; max-width: 62ch; }
.section--dark .section-head p, .section--dark-2 .section-head p { color: var(--txt-on-dark-soft); }

/* 3. BOUTONS ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--clay-grad); color: #FFF6EF; box-shadow: 0 14px 30px -14px rgba(168, 78, 46, .75); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -14px rgba(168, 78, 46, .85); }
.btn-dark { background: var(--ink); color: var(--txt-on-dark); }
.btn-dark:hover { transform: translateY(-2px); background: var(--ink-2); }
.btn-outline { border-color: var(--line-strong); color: var(--txt); background: transparent; }
.btn-outline:hover { border-color: var(--clay-2); color: var(--clay-ink); background: rgba(194, 96, 60, .06); }
.btn-ghost { border-color: var(--line-d-strong); color: var(--txt-on-dark); background: rgba(244, 239, 232, .05); }
.btn-ghost:hover { border-color: var(--txt-on-dark); background: rgba(244, 239, 232, .1); }

/* 4. SCROLL PROGRESS + BARRE DÉMO ------------------------------------- */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0;
  background: var(--clay-grad);
  z-index: 200;
  transition: width .12s linear;
}
.gc-demo-bar {
  height: var(--demobar-h);
  background: linear-gradient(90deg, #181310, #2A2420);
  color: var(--txt-on-dark-soft);
  display: flex; align-items: center; justify-content: center;
  gap: 14px; font-size: .8rem; padding-inline: 16px; text-align: center;
  border-bottom: 1px solid var(--line-d);
}
.gc-demo-bar strong { color: var(--clay-soft); font-weight: 600; }
.gc-demo-bar a {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--txt-on-dark); font-weight: 600;
  border-bottom: 1px solid transparent; transition: border-color .2s var(--ease);
}
.gc-demo-bar a:hover { border-color: var(--clay-soft); }
@media (max-width: 620px) {
  .gc-demo-bar { font-size: .72rem; gap: 8px; }
  .gc-demo-bar .gc-demo-bar__sep { display: none; }
}

/* 5. NAV -------------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
  color: var(--txt-on-dark);
}
.nav.scrolled {
  background: rgba(33, 27, 23, .9);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  box-shadow: 0 12px 30px -20px rgba(0, 0, 0, .8);
  border-bottom-color: var(--line-d);
}
.nav-inner {
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 40px);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand img { width: 38px; height: 38px; }
.brand-name { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 1.12rem; letter-spacing: -.01em; line-height: 1; }
.brand-name span { font-weight: 400; opacity: .82; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: inline-block; padding: 9px 13px;
  font-size: .94rem; font-weight: 500;
  color: var(--txt-on-dark-soft); border-radius: 9px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover { color: var(--txt-on-dark); background: rgba(244, 239, 232, .08); }
.nav-actions { display: flex; align-items: center; gap: 10px; }

/* sélecteur de langues (desktop) */
.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 42px; padding: 0 12px; border-radius: 11px;
  border: 1px solid var(--line-d-strong);
  background: rgba(244, 239, 232, .05);
  color: var(--txt-on-dark); font-weight: 600; font-size: .9rem;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.lang-btn:hover { border-color: var(--txt-on-dark); }
.lang-btn .globe { width: 16px; height: 16px; }
.lang-btn .chev { width: 13px; height: 13px; transition: transform .25s var(--ease); }
.lang.open .lang-btn .chev { transform: rotate(180deg); }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px;
  background: var(--ink-2); border: 1px solid var(--line-d-strong);
  border-radius: 14px; padding: 6px; box-shadow: var(--shadow-d);
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease); z-index: 120;
}
.lang.open .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.lang-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  width: 100%; padding: 10px 12px; border: 0; background: transparent;
  color: var(--txt-on-dark); border-radius: 9px; font: inherit; font-size: .92rem; text-align: left;
}
.lang-opt:hover { background: rgba(244, 239, 232, .07); }
.lang-opt[aria-current="true"] { color: var(--clay-soft); font-weight: 700; }
.lang-opt[aria-disabled="true"] { cursor: default; }
.lang-opt span { font-size: .72rem; font-weight: 600; color: var(--txt-on-dark-faint); letter-spacing: .04em; }
.lang-opt[aria-current="true"] span { color: var(--clay-soft); }

.burger { display: none; width: 46px; height: 46px; border: 1px solid var(--line-d-strong); background: rgba(244, 239, 232, .06); border-radius: 11px; position: relative; }
.burger span, .burger span::before, .burger span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 19px; height: 2px; background: var(--txt-on-dark);
  transform: translate(-50%, -50%); transition: transform .3s var(--ease), opacity .2s var(--ease); border-radius: 2px;
}
.burger span::before { transform: translate(-50%, -8px); }
.burger span::after { transform: translate(-50%, 6px); }
.nav.menu-open .burger span { background: transparent; }
.nav.menu-open .burger span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav.menu-open .burger span::after { transform: translate(-50%, 0) rotate(-45deg); }
.lang-mobile { display: none; }

/* 6. HERO ------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--grain), var(--ink);
  color: var(--txt-on-dark);
  margin-top: calc(-1 * var(--nav-h));
  padding-top: calc(var(--nav-h) + clamp(36px, 6vw, 72px));
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow: hidden;
}
/* motif chevron « point de Hongrie » subtil */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='28'%3E%3Cpath d='M0 24 L14 4 L28 24 L42 4 L56 24' fill='none' stroke='%23F4EFE8' stroke-opacity='0.07' stroke-width='1.3'/%3E%3C/svg%3E");
  background-size: 56px 28px;
  -webkit-mask-image: radial-gradient(120% 92% at 78% 6%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 92% at 78% 6%, #000 0%, transparent 72%);
  opacity: .9; pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; width: 540px; height: 540px; right: -130px; top: -170px;
  background: radial-gradient(circle, rgba(194, 96, 60, .2), transparent 65%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
/* lumière qui suit le curseur (desktop) — vars posées en JS */
.hero__glow {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(440px circle at var(--mx, 72%) var(--my, 16%), rgba(194, 96, 60, .22), transparent 60%);
  opacity: 0; transition: opacity .45s var(--ease);
}
.hero:hover .hero__glow { opacity: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(34px, 5vw, 64px); align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5.6vw, 4rem); margin: 18px 0 0; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--clay-soft); }
.hero .lede { margin-top: 22px; font-size: clamp(1.05rem, 1.7vw, 1.22rem); color: var(--txt-on-dark-soft); max-width: 34ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; font-size: .85rem; font-weight: 500;
  color: var(--txt-on-dark); background: rgba(244, 239, 232, .05);
  border: 1px solid var(--line-d); border-radius: 999px;
}
.badge svg { width: 15px; height: 15px; color: var(--clay-soft); }

.hero-visual { position: relative; }
.hero-photo {
  position: relative; aspect-ratio: 4 / 5;
  border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-d-strong);
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
  box-shadow: var(--shadow-d); will-change: transform;
  animation: heroReveal 1.1s var(--ease) both;
}
.hero-photo .media-fill {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 1.6s var(--ease) forwards;
}
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@keyframes heroReveal { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
.hero-photo__badge {
  position: absolute; top: 16px; left: 16px; z-index: 4;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(24, 19, 16, .72);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid var(--line-d-strong);
  color: var(--txt-on-dark); font-size: .8rem; font-weight: 600;
}
.float-card {
  position: absolute; left: -22px; bottom: 26px;
  display: flex; align-items: center; gap: 13px; padding: 14px 18px;
  background: rgba(24, 19, 16, .82);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid var(--line-d-strong); border-radius: var(--r);
  box-shadow: var(--shadow-d); z-index: 3;
}
.float-card .fc-num { font-family: 'Space Grotesk', sans-serif; font-size: 1.7rem; font-weight: 600; color: var(--clay-soft); line-height: 1; }
.float-card small { display: block; font-size: .78rem; color: var(--txt-on-dark-soft); max-width: 16ch; line-height: 1.35; }

/* placeholder image générique */
.ph {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; padding: 22px; text-align: center; color: var(--txt-on-dark-faint);
}
.ph svg { width: 42px; height: 42px; opacity: .55; }
.ph .ph-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 600; opacity: .85; }
.ph .ph-sub { font-size: .74rem; opacity: .7; max-width: 26ch; line-height: 1.4; }
.ph code { font-size: .72em; background: rgba(244, 239, 232, .08); padding: 1px 6px; border-radius: 5px; }

/* 7. MARQUEE MATÉRIAUX ------------------------------------------------ */
.marquee { background: var(--grain), var(--ink-2); border-block: 1px solid var(--line-d); overflow: hidden; }
.marquee-track { display: flex; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex; align-items: center; gap: 22px;
  padding: 17px 26px; color: var(--txt-on-dark-soft);
  font-family: 'Space Grotesk', sans-serif; font-size: .95rem; letter-spacing: .04em; white-space: nowrap;
}
.marquee-item::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--clay); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 8. SERVICES --------------------------------------------------------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service {
  position: relative; padding: 28px 26px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--shadow); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.service::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), rgba(194, 96, 60, .1), transparent 60%);
  opacity: 0; transition: opacity .3s var(--ease); pointer-events: none;
}
.service:hover { transform: translateY(-4px); border-color: var(--clay-2); box-shadow: 0 1px 2px rgba(43,35,32,.06), 0 34px 70px -34px rgba(43,35,32,.4); }
.service:hover::before { opacity: 1; }
.service-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.service-ico {
  width: 52px; height: 52px; display: grid; place-items: center;
  border-radius: 14px; background: linear-gradient(160deg, #fff, var(--paper-2));
  border: 1px solid var(--line); color: var(--ink); transition: transform .3s var(--ease);
}
.service:hover .service-ico { transform: translateY(-2px) rotate(-3deg); }
.service-ico svg { width: 26px; height: 26px; }
.service h3 { font-size: 1.22rem; position: relative; }
.service p { margin-top: 9px; color: var(--txt-soft); font-size: .96rem; position: relative; }

/* 9. RÉALISATIONS / AVANT-APRÈS --------------------------------------- */
.ba-wrap { margin: 6px 0 52px; }
.ba {
  position: relative; width: 100%; max-width: 880px; margin-inline: auto;
  aspect-ratio: 4 / 3; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-d-strong); box-shadow: var(--shadow-d); user-select: none;
}
.ba-layer { position: absolute; inset: 0; width: 100%; height: 100%; }
.ba-layer .media-fill { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-after { background: linear-gradient(150deg, #3a322c, #241d18); }
.ba-before { background: linear-gradient(150deg, #4a3328, #2c1f18); clip-path: inset(0 50% 0 0); }
.ba-tag {
  position: absolute; top: 14px; z-index: 4; padding: 6px 12px;
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  border-radius: 999px; background: rgba(24, 19, 16, .72);
  border: 1px solid var(--line-d-strong); color: var(--txt-on-dark);
}
.ba-tag--before { left: 14px; }
.ba-tag--after { right: 14px; color: var(--clay-soft); }
.ba-handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--clay-soft); transform: translateX(-1px); z-index: 5; pointer-events: none; }
.ba-knob {
  position: absolute; top: 50%; left: 50%; width: 44px; height: 44px;
  transform: translate(-50%, -50%); background: var(--clay-grad); color: #FFF6EF;
  border-radius: 999px; display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .5); z-index: 6; pointer-events: none;
}
.ba-knob svg { width: 22px; height: 22px; }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 7; }

.realis-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.realis {
  position: relative; border-radius: var(--r); overflow: hidden; aspect-ratio: 3 / 4;
  border: 1px solid var(--line-d); background: linear-gradient(160deg, var(--ink-3), var(--ink-2));
}
.realis .media-fill { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.realis:hover .media-fill { transform: scale(1.08); }
.realis-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: 18px 16px 16px; background: linear-gradient(transparent, rgba(16, 11, 8, .92) 78%);
}
.realis-caption span { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--clay-soft); font-weight: 600; }
.realis-caption strong { display: block; margin-top: 4px; font-family: 'Space Grotesk', sans-serif; font-weight: 500; font-size: 1.04rem; }
.realis-caption small { display: block; margin-top: 5px; font-size: .8rem; color: var(--txt-on-dark-soft); line-height: 1.4; }

/* 10. PROCESSUS ------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.step { position: relative; padding: 26px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
.step-num {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; font-weight: 600;
  width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 13px; background: var(--ink); color: var(--clay-soft); margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; }
.step p { margin-top: 8px; color: var(--txt-soft); font-size: .9rem; }
.step::after { content: ""; position: absolute; top: 50px; right: -12px; width: 14px; height: 2px; background: var(--line-strong); z-index: 2; }
.steps .step:last-child::after { display: none; }

/* 11. POURQUOI -------------------------------------------------------- */
.why-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(28px, 4vw, 52px); align-items: center; }
.why-photo {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line-d-strong); background: linear-gradient(160deg, var(--ink-3), var(--ink-2)); box-shadow: var(--shadow-d);
}
.why-photo .media-fill { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.why-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.why {
  display: flex; gap: 14px; padding: 20px 18px;
  background: rgba(244, 239, 232, .035); border: 1px solid var(--line-d); border-radius: var(--r);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.why:hover { border-color: var(--line-d-strong); transform: translateY(-3px); }
.why-ico {
  flex: none; width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 12px; background: rgba(194, 96, 60, .14); border: 1px solid rgba(194, 96, 60, .32); color: var(--clay-soft);
}
.why-ico svg { width: 21px; height: 21px; }
.why h3 { font-size: 1.02rem; }
.why p { margin-top: 5px; color: var(--txt-on-dark-soft); font-size: .88rem; }

/* 12. ZONE ------------------------------------------------------------ */
.zone-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: center; }
.zone-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.zone-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  font-weight: 500; font-size: .94rem; transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.zone-chip:hover { border-color: var(--clay-2); transform: translateY(-2px); }
.zone-chip svg { width: 15px; height: 15px; color: var(--clay); }
.zone-note { margin-top: 22px; color: var(--txt-soft); font-size: .94rem; }
.zone-btn { margin-top: 24px; }
.zone-map {
  position: relative; aspect-ratio: 5 / 4; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--paper-2);
}
.zone-map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.zone-map-link { display: inline-block; margin-top: 12px; font-size: .84rem; font-weight: 600; color: var(--clay-ink); }
.zone-map-link:hover { color: var(--clay-2); }

/* 13. FAQ ------------------------------------------------------------- */
.faq-list { max-width: 820px; margin-inline: auto; }
.faq { border-bottom: 1px solid var(--line); }
.faq:first-child { border-top: 1px solid var(--line); }
.faq button {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 22px 4px; background: transparent; border: 0; text-align: left;
  font-family: 'Space Grotesk', sans-serif; font-size: 1.08rem; font-weight: 500; color: var(--txt);
}
.faq button .faq-plus {
  flex: none; width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 9px; border: 1px solid var(--line-strong); position: relative;
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.faq button .faq-plus::before, .faq button .faq-plus::after { content: ""; position: absolute; background: var(--txt); transition: transform .25s var(--ease), background .25s var(--ease); }
.faq button .faq-plus::before { width: 12px; height: 2px; }
.faq button .faq-plus::after { width: 2px; height: 12px; }
.faq.open button .faq-plus { background: var(--clay); border-color: var(--clay); }
.faq.open button .faq-plus::before, .faq.open button .faq-plus::after { background: #FFF6EF; }
.faq.open button .faq-plus::after { transform: scaleY(0); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .35s var(--ease); }
.faq-a p { padding: 0 4px 24px; color: var(--txt-soft); max-width: 70ch; }

/* 14. CTA + FORM ------------------------------------------------------ */
.cta-grid { display: grid; grid-template-columns: 1fr .9fr; gap: clamp(34px, 5vw, 64px); align-items: start; }
.cta h2 { font-size: clamp(2rem, 4.6vw, 3.1rem); }
.cta p { margin-top: 18px; color: var(--txt-on-dark-soft); font-size: 1.08rem; max-width: 42ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.devis-card { background: rgba(244, 239, 232, .04); border: 1px solid var(--line-d); border-radius: var(--r-lg); padding: clamp(24px, 3vw, 34px); }
.devis-card h3 { font-size: 1.3rem; }
.devis-card > p { margin-top: 6px; color: var(--txt-on-dark-soft); font-size: .92rem; }
.form-row { display: grid; gap: 16px; margin-top: 20px; }
.form-2 { grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: .82rem; font-weight: 600; color: var(--txt-on-dark); }
.field label .req { color: var(--clay-soft); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; color: var(--txt-on-dark);
  background: rgba(16, 11, 8, .5); border: 1px solid var(--line-d-strong);
  border-radius: 11px; padding: 12px 14px; min-height: 48px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 104px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--txt-on-dark-faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--clay-soft); box-shadow: 0 0 0 3px rgba(217, 138, 99, .2); }
.field select { color-scheme: dark; }
.field select option { background-color: var(--ink-2); color: var(--txt-on-dark); }
.form-submit { margin-top: 20px; width: 100%; }
.form-feedback { margin-top: 14px; font-size: .9rem; color: var(--clay-soft); min-height: 1.2em; }

/* 15. FOOTER ---------------------------------------------------------- */
.foot { background: var(--grain), var(--ink-deep); color: var(--txt-on-dark-soft); padding: clamp(52px, 7vw, 80px) 0 30px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: clamp(26px, 4vw, 48px); }
.foot .brand { margin-bottom: 16px; }
.foot .brand-name { color: var(--txt-on-dark); }
.foot-about { font-size: .92rem; max-width: 34ch; }
.foot h4 { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--txt-on-dark); margin-bottom: 16px; }
.foot ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.foot a:hover { color: var(--clay-soft); }
.foot-contact li { display: flex; gap: 10px; font-size: .92rem; }
.foot-contact svg { width: 17px; height: 17px; color: var(--clay-soft); flex: none; margin-top: 2px; }
.foot-bottom {
  margin-top: clamp(40px, 5vw, 56px); padding-top: 24px; border-top: 1px solid var(--line-d);
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; font-size: .82rem;
}
.foot-sign { display: inline-flex; align-items: center; gap: 7px; }
.foot-sign a { color: var(--clay-soft); font-weight: 600; }
.foot-disclaimer { color: var(--txt-on-dark-faint); }

/* 16. REVEAL + REDUCED MOTION ----------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero-photo { transform: none !important; animation: none !important; clip-path: none !important; }
  .hero-photo .media-fill { animation: none !important; transform: none !important; }
  .hero__glow { display: none !important; }
  .marquee-track { animation: none !important; transform: none !important; flex-wrap: wrap; width: auto; justify-content: center; }
  .service::before { display: none; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* 18. RESPONSIVE ------------------------------------------------------ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .realis-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step::after { display: none; }
}
@media (max-width: 920px) {
  .nav-links, .lang { display: none; }
  .burger { display: block; }
  .nav.menu-open { background: rgba(33, 27, 23, .98); border-bottom-color: var(--line-d); }
  .nav-links.is-mobile {
    position: absolute; top: 100%; left: 0; right: 0;
    display: flex; flex-direction: column; gap: 2px;
    padding: 12px clamp(18px, 5vw, 40px) 18px;
    background: rgba(33, 27, 23, .98);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line-d); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .85);
    transform: translateY(-10px); opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .nav.menu-open .nav-links.is-mobile { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links.is-mobile a { padding: 13px 6px; font-size: 1.02rem; border-radius: 10px; }
  .lang-mobile { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px 6px 4px; margin-top: 6px; border-top: 1px solid var(--line-d); }
  .lang-mobile a { padding: 8px 15px; border-radius: 999px; border: 1px solid var(--line-d-strong); background: transparent; color: var(--txt-on-dark-soft); font-size: .86rem; font-weight: 600; }
  .lang-mobile a[aria-current="true"] { background: var(--clay); color: #FFF6EF; border-color: transparent; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 460px; }
  .hero .lede { max-width: none; }
  .why-grid { grid-template-columns: 1fr; }
  .why-photo { max-width: 460px; aspect-ratio: 16 / 10; }
  .cta-grid { grid-template-columns: 1fr; }
  .zone-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .realis-grid { grid-template-columns: 1fr 1fr; }
  .why-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-2 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero-cta .btn, .cta-actions .btn { flex: 1 1 auto; }
  .float-card { left: 12px; bottom: 14px; }
}
@media (max-width: 420px) {
  .foot-grid { grid-template-columns: 1fr; }
  .realis-grid { grid-template-columns: 1fr; }
}