/* ==========================================================================
   ATOUT TOITURE — Feuille de style principale
   Charte : rouge HS #DA291C + gris ardoise #3A3A3A + cream #FAFAF7 + gold accent
   Design : artisan + technique, footer clair (contrainte logo gris ardoise)
   ========================================================================== */

/* ---------------------------------- *
 *  1. RESET & TOKENS
 * ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 4; scroll-behavior: smooth; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; font-synthesis: none; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; }

:root {
  /* Couleurs brand (croix Haute-Savoie) */
  --at-red:         #DA291C;
  --at-red-dark:    #B41F12;   /* hover / active */
  --at-red-light:   #F26B5E;   /* accents subtils */
  --at-grey:        #3A3A3A;   /* texte principal, contours */
  --at-grey-2:      #5A5A5A;   /* texte secondaire */
  --at-grey-3:      #8A8A8A;   /* texte muted */
  --at-gold:        #C8A049;   /* accent "Depuis 1990" */
  --at-gold-dark:   #A88532;
  --at-cream:       #FAFAF7;   /* fond crème */
  --at-cream-2:     #F2F0EA;   /* fond sections alternées */
  --at-white:       #FFFFFF;
  --at-border:      #E5E2D8;
  --at-text:        #2A2A2A;

  /* Ombres */
  --at-shadow-sm:   0 1px 2px rgba(58, 58, 58, 0.06);
  --at-shadow:      0 4px 16px rgba(58, 58, 58, 0.08);
  --at-shadow-lg:   0 12px 40px rgba(58, 58, 58, 0.14);

  /* Typo */
  --ff-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --ff-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --container: 1200px;
  --gutter:    clamp(1rem, 4vw, 2rem);
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --header-h:  88px;

  /* Transitions */
  --t-fast: 150ms ease;
  --t:      250ms ease;
  --t-slow: 400ms cubic-bezier(.2,.8,.2,1);
}

body {
  font-family: var(--ff-sans);
  color: var(--at-text);
  background: var(--at-cream);
}

/* ---------------------------------- *
 *  2. TYPOGRAPHIE
 * ---------------------------------- */
h1, h2, h3, .display { font-family: var(--ff-serif); letter-spacing: -0.01em; color: var(--at-grey); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.05rem; font-family: var(--ff-sans); text-transform: uppercase; letter-spacing: 0.06em; color: var(--at-grey); }

p + p { margin-top: 0.8em; }
a { color: var(--at-red-dark); border-bottom: 1px solid transparent; transition: color var(--t-fast), border-color var(--t-fast); }
a:hover { color: var(--at-red); border-bottom-color: currentColor; }

.eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--at-red); }

/* ---------------------------------- *
 *  3. UTILITAIRES & LAYOUT
 * ---------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3rem, 8vw, 6rem); }
.section--red { background: var(--at-red); color: var(--at-white); }
.section--red h1, .section--red h2, .section--red h3 { color: var(--at-white); }
.section--red a { color: var(--at-white); border-bottom-color: rgba(255,255,255,0.5); }
.section--cream { background: var(--at-cream); }
.section--cream-2 { background: var(--at-cream-2); }
.section--white { background: var(--at-white); }

.skip-link { position: absolute; top: -100px; left: 0; padding: 1rem; background: var(--at-red); color: var(--at-white); z-index: 100; }
.skip-link:focus { top: 0; }

/* ---------------------------------- *
 *  4. BOUTONS
 * ---------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--ff-sans); font-weight: 600; font-size: 0.95rem;
  border: 1px solid currentColor; border-radius: var(--radius-sm);
  text-transform: uppercase; letter-spacing: 0.05em;
  transition: all var(--t);
  cursor: pointer;
}
.btn--cta { background: var(--at-red); color: var(--at-white); border-color: var(--at-red); }
.btn--cta:hover { background: var(--at-red-dark); border-color: var(--at-red-dark); transform: translateY(-1px); box-shadow: var(--at-shadow); }
.btn--ghost { background: transparent; color: var(--at-grey); border-color: var(--at-grey); }
.btn--ghost:hover { background: var(--at-grey); color: var(--at-white); }
.btn--white { background: var(--at-white); color: var(--at-red); border-color: var(--at-white); }
.btn--white:hover { background: var(--at-cream); }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* ---------------------------------- *
 *  5. HEADER (fond clair — logo gris OK)
 * ---------------------------------- */
.header { position: sticky; top: 0; z-index: 50; background: var(--at-white); border-bottom: 1px solid var(--at-border); transition: box-shadow var(--t); }
.header.is-scrolled { box-shadow: var(--at-shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: var(--header-h); max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.header__logo img { height: 64px; width: auto; }
.header__nav { display: flex; gap: 1.35rem; }
.header__nav-link { font-size: 0.9rem; font-weight: 500; color: var(--at-grey); border-bottom: 2px solid transparent; padding-block: 4px; }
.header__nav-link:hover, .header__nav-link.is-active { color: var(--at-red); border-bottom-color: var(--at-red); }
.header__actions { display: flex; align-items: center; gap: 0.75rem; }
.header__phone { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; font-weight: 600; color: var(--at-grey); border-bottom: 0; }
.header__phone:hover { color: var(--at-red); }
.header__cta { padding: 0.55rem 1.1rem; font-size: 0.82rem; }
.header__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.header__burger span { display: block; width: 24px; height: 2px; background: var(--at-grey); transition: all var(--t); }
.header__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sticky tel mobile (rouge HS) */
.sticky-tel {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: none; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 1rem;
  background: var(--at-red); color: var(--at-white);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.9rem;
  border-bottom: 0;
  box-shadow: 0 -4px 16px rgba(218, 41, 28, 0.25);
}
.sticky-tel:hover { color: var(--at-white); }

/* FAB urgence (rouge HS pulsant) */
.fab { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 35; display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; box-shadow: var(--at-shadow-lg); transition: transform var(--t); border-bottom: 0; background: var(--at-red); color: var(--at-white); }
.fab:hover { transform: scale(1.06); color: var(--at-white); }
.fab::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; background: var(--at-red); opacity: 0.4; animation: fabPulse 2s ease-out infinite; z-index: -1; }
@keyframes fabPulse { 0% { transform: scale(1); opacity: 0.4; } 100% { transform: scale(1.4); opacity: 0; } }

/* ---------------------------------- *
 *  6. FOOTER CLAIR (contrainte logo)
 * ---------------------------------- */
.footer { background: var(--at-cream-2); color: var(--at-grey); padding-block: 3.5rem 1.5rem; border-top: 4px solid var(--at-red); }
.footer h4 { color: var(--at-grey); font-size: 0.85rem; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer a { color: var(--at-grey); border-bottom: 0; }
.footer a:hover { color: var(--at-red); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2rem; }
.footer__brand img { height: 130px; width: auto; margin-bottom: 0.75rem; }
.footer__tagline { font-style: italic; font-size: 0.95rem; color: var(--at-red-dark); margin-bottom: 0.4rem; }
.footer__zone { font-size: 0.88rem; color: var(--at-grey-2); }
.footer__col ul { display: flex; flex-direction: column; gap: 0.45rem; }
.footer__col li { font-size: 0.92rem; color: var(--at-grey-2); }
.footer__contact a { font-weight: 600; color: var(--at-grey); }
.footer__hours { color: var(--at-grey-2); font-size: 0.85rem; margin-top: 0.5rem; }
.footer__siret { font-size: 0.78rem; color: var(--at-grey-3); margin-top: 1rem; }
.footer__bottom { padding-top: 1.5rem; border-top: 1px solid var(--at-border); text-align: center; font-size: 0.85rem; color: var(--at-grey-3); }

/* ---------------------------------- *
 *  7. POPUP & FORMULAIRES
 * ---------------------------------- */
.popup { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.popup[hidden] { display: none; }
.popup__backdrop { position: absolute; inset: 0; background: rgba(58, 58, 58, 0.6); backdrop-filter: blur(4px); }
.popup__panel { position: relative; background: var(--at-white); padding: 2.5rem 2rem; border-radius: var(--radius-lg); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; box-shadow: var(--at-shadow-lg); }
.popup__close { position: absolute; top: 12px; right: 16px; font-size: 2rem; line-height: 1; color: var(--at-grey-3); }
.popup__close:hover { color: var(--at-red); }
.popup__lead { color: var(--at-grey-2); margin-bottom: 1.5rem; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__row { display: flex; flex-direction: column; gap: 0.35rem; }
.form__row--full { grid-column: 1 / -1; }
.form__row label { font-size: 0.85rem; font-weight: 600; color: var(--at-grey-2); }
.form__row input, .form__row select, .form__row textarea {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--at-border); border-radius: var(--radius-sm);
  background: var(--at-white);
  font-size: 0.95rem;
  transition: border-color var(--t-fast);
}
.form__row input:focus, .form__row select:focus, .form__row textarea:focus { outline: 2px solid var(--at-red); outline-offset: 1px; border-color: var(--at-red); }
.form__honeypot { position: absolute; left: -9999px; }
.form__check { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.85rem; color: var(--at-grey-2); }
.form__check input { margin-top: 4px; }

/* ---------------------------------- *
 *  8. HOME — HERO + SECTIONS
 * ---------------------------------- */
.home-hero { padding-block: clamp(3rem, 8vw, 6rem); background: var(--at-cream); }
.home-hero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.home-hero h1 { color: var(--at-grey); margin-bottom: 1rem; }
.home-hero__lead { font-size: 1.15rem; color: var(--at-grey-2); margin-block: 1rem 1.5rem; max-width: 56ch; }
.home-hero__bullets { list-style: none; margin-block: 1.5rem; }
.home-hero__bullets li { padding-left: 1.8rem; position: relative; margin-bottom: 0.55rem; color: var(--at-grey); font-size: 0.98rem; }
.home-hero__bullets li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--at-red); font-weight: 700; font-size: 1.15rem; }
.home-hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.home-hero__visual { position: relative; }
.home-hero__visual img { border-radius: var(--radius-lg); box-shadow: var(--at-shadow-lg); object-fit: cover; aspect-ratio: 4/3; width: 100%; }
.home-hero__badge {
  position: absolute;
  top: 1.25rem; left: 1.25rem;
  width: 96px; height: 96px;
  background: var(--at-white);
  border-radius: 50%;
  padding: 0.55rem;
  box-shadow: 0 8px 24px rgba(58, 58, 58, 0.18);
  z-index: 2;
  display: flex; align-items: center; justify-content: center;
}
.home-hero__badge img { width: 100%; height: 100%; object-fit: contain; box-shadow: none; border-radius: 0; aspect-ratio: auto; }
@media (max-width: 600px) {
  .home-hero__badge { width: 72px; height: 72px; top: 0.75rem; left: 0.75rem; padding: 0.4rem; }
}

/* USP 4 colonnes */
.usp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.usp-card { padding: 1.75rem 1.25rem; text-align: center; background: var(--at-white); border-radius: var(--radius); border-top: 3px solid var(--at-red); }
.usp-card__icon { font-size: 2.25rem; line-height: 1; margin-bottom: 0.75rem; }
.usp-card h3 { font-family: var(--ff-sans); font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--at-grey); }
.usp-card p { font-size: 0.92rem; color: var(--at-grey-2); line-height: 1.55; }

/* Services 6 cards */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 2rem; }
.service-card { background: var(--at-white); border-radius: var(--radius); box-shadow: var(--at-shadow-sm); overflow: hidden; transition: transform var(--t), box-shadow var(--t); display: flex; flex-direction: column; }
.service-card:hover { transform: translateY(-3px); box-shadow: var(--at-shadow); }
.service-card__img { aspect-ratio: 16/10; overflow: hidden; }
.service-card__img picture { display: block; width: 100%; height: 100%; }
.service-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.service-card:hover .service-card__img img { transform: scale(1.05); }
.service-card__body { padding: 1.5rem 1.25rem; flex: 1; display: flex; flex-direction: column; }
.service-card h3 { font-family: var(--ff-sans); font-size: 1.15rem; margin-bottom: 0.5rem; color: var(--at-grey); }
.service-card p { font-size: 0.93rem; color: var(--at-grey-2); line-height: 1.55; flex: 1; }
.service-card__link { margin-top: 1rem; color: var(--at-red); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 0; }
.service-card__link::after { content: ' →'; transition: transform var(--t); display: inline-block; }
.service-card:hover .service-card__link::after { transform: translateX(4px); }

/* Bandeau urgence rouge HS */
.urgence-banner { background: var(--at-red); color: var(--at-white); padding-block: clamp(2.5rem, 5vw, 4rem); text-align: center; }
.urgence-banner h2 { color: var(--at-white); margin-bottom: 0.5rem; }
.urgence-banner p { color: rgba(255,255,255,0.95); font-size: 1.05rem; margin-bottom: 1.5rem; max-width: 60ch; margin-inline: auto; }
.urgence-banner .btn { background: var(--at-white); color: var(--at-red); border-color: var(--at-white); font-size: 1.05rem; padding: 1rem 2rem; }
.urgence-banner .btn:hover { background: var(--at-cream); }

/* Zone d'intervention */
.zone-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.zone-layout__img img { border-radius: var(--radius-lg); box-shadow: var(--at-shadow); object-fit: cover; aspect-ratio: 4/3; width: 100%; }
.zone-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.5rem; margin-top: 1rem; }
.zone-list li { padding: 0.55rem 0.8rem; background: var(--at-cream); border-left: 3px solid var(--at-red); border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--at-grey); }
.zone-list a { color: var(--at-grey); border-bottom: 0; display: block; }
.zone-list a:hover { color: var(--at-red); }

/* Pourquoi nous */
.why-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center; }
.why-layout__img img { border-radius: var(--radius-lg); box-shadow: var(--at-shadow-lg); object-fit: cover; aspect-ratio: 4/5; width: 100%; }
.why-points li { padding: 1rem 0; border-bottom: 1px solid var(--at-border); position: relative; padding-left: 2.5rem; }
.why-points li:last-child { border-bottom: 0; }
.why-points li::before { content: ''; position: absolute; left: 0; top: 1.3rem; width: 1.5rem; height: 2px; background: var(--at-red); }
.why-points h3 { font-family: var(--ff-sans); font-size: 1.05rem; margin-bottom: 0.25rem; color: var(--at-grey); }
.why-points p { color: var(--at-grey-2); font-size: 0.95rem; }

/* CTA final formulaire */
.cta-final { background: var(--at-cream-2); padding-block: clamp(3rem, 6vw, 5rem); }
.cta-final__inner { max-width: 720px; margin-inline: auto; text-align: center; }
.cta-final h2 { margin-bottom: 0.5rem; }
.cta-final p { color: var(--at-grey-2); margin-bottom: 2rem; }
.cta-final .form { text-align: left; margin-top: 1.5rem; }

/* ---------------------------------- *
 *  8b. PAGES SERVICE / CITY — Hero + sections riches
 * ---------------------------------- */
.container--narrow { max-width: 880px; }

.service-hero { padding-block: clamp(3rem, 8vw, 5rem); }
.service-hero__inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.service-hero__lead { font-size: 1.1rem; color: var(--at-grey-2); margin-block: 1rem 1.5rem; max-width: 56ch; }
.service-hero__badges { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 2rem; list-style: none; padding: 0; }
.service-hero__badges li { font-size: 0.95rem; color: var(--at-red); font-weight: 500; }
.service-hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.service-hero__visual picture,
.service-hero__visual img { border-radius: var(--radius-lg); box-shadow: var(--at-shadow-lg); object-fit: cover; aspect-ratio: 4/3; width: 100%; }
.service-hero__visual { position: relative; }

.prose { font-size: 1.05rem; color: var(--at-text); margin-top: 1.5rem; }
.prose p { margin-bottom: 1.1em; line-height: 1.75; }
.prose strong { color: var(--at-grey); font-weight: 700; }
.prose a { color: var(--at-red-dark); border-bottom: 1px solid currentColor; }
.prose a:hover { color: var(--at-red); }
.prose ul { margin-block: 1em; padding-left: 1.5em; list-style: disc; }
.prose ul li { margin-bottom: 0.4em; line-height: 1.7; }

/* ─── Service types (page service) — Cards style "étapes numérotées" ─────── */
.service-grid { counter-reset: step-counter; }
.service-grid > .usp-card {
  position: relative;
  padding: 2.25rem 1.75rem 1.75rem;
  background: var(--at-white);
  border-radius: var(--radius-lg);
  border-top: 0;
  box-shadow: var(--at-shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
  overflow: hidden;
  counter-increment: step-counter;
}
.service-grid > .usp-card::before {
  content: counter(step-counter, decimal-leading-zero);
  position: absolute;
  top: 0.6rem; right: 1.25rem;
  font-family: var(--ff-serif);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--at-red);
  opacity: 0.12;
  line-height: 1;
  transition: opacity var(--t), color var(--t);
  pointer-events: none;
}
.service-grid > .usp-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 48px; height: 3px;
  background: var(--at-red);
  border-radius: 0 3px 3px 0;
  transition: width var(--t-slow);
}
.service-grid > .usp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--at-shadow-lg);
}
.service-grid > .usp-card:hover::before { opacity: 0.95; }
.service-grid > .usp-card:hover::after { width: 80px; }
.service-grid > .usp-card h3 {
  font-family: var(--ff-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--at-grey);
  margin-bottom: 0.6rem;
  position: relative; z-index: 1;
}
.service-grid > .usp-card p {
  font-size: 0.94rem;
  color: var(--at-grey-2);
  line-height: 1.6;
  position: relative; z-index: 1;
}

/* ─── E-E-A-T cards — Pictos cerclés + design plus aéré ──────────────────── */
.eeat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.eeat-card {
  position: relative;
  padding: 2rem 1.75rem 1.75rem;
  background: var(--at-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--at-shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.eeat-card::before {
  content: '';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  margin-bottom: 1.25rem;
  background: var(--at-red);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(218, 41, 28, 0.25);
  /* Coche blanche en SVG inline */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--t-slow), box-shadow var(--t);
}
.eeat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--at-shadow-lg);
}
.eeat-card:hover::before {
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 6px 20px rgba(218, 41, 28, 0.4);
}
.eeat-card h3 {
  font-family: var(--ff-sans);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  color: var(--at-grey);
  margin-bottom: 0.5rem;
}
.eeat-card p {
  font-size: 0.94rem;
  color: var(--at-grey-2);
  line-height: 1.6;
}

.faq { margin-top: 2rem; }
.faq__item { background: var(--at-white); border-radius: var(--radius); margin-bottom: 0.75rem; box-shadow: var(--at-shadow-sm); overflow: hidden; }
.faq__item summary { padding: 1.1rem 1.25rem; cursor: pointer; font-weight: 600; color: var(--at-grey); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq__item summary::after { content: '+'; font-size: 1.5rem; color: var(--at-red); transition: transform var(--t); }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__answer { padding: 0 1.25rem 1.1rem; color: var(--at-grey-2); line-height: 1.7; }
.faq__answer a { color: var(--at-red-dark); border-bottom: 1px solid currentColor; }

/* ─── Galerie réalisations — grid masonry-like ────────────────────────────── */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}
.gallery__item {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--at-cream-2);
  aspect-ratio: 4/3;
  border-bottom: 0;
  cursor: zoom-in;
}
.gallery__item picture,
.gallery__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(58,58,58,0.35) 100%);
  opacity: 0;
  transition: opacity var(--t);
}
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item:hover::after { opacity: 1; }

@media (max-width: 600px) {
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
}

.quartiers { margin-top: 2rem; padding: 1.5rem 1.75rem; background: var(--at-white); border-radius: var(--radius); border-left: 4px solid var(--at-red); box-shadow: var(--at-shadow-sm); }
.quartiers ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.4rem 1rem; list-style: none; padding: 0; }
.quartiers li { font-size: 0.92rem; color: var(--at-grey); padding-left: 0.85rem; position: relative; }
.quartiers li::before { content: '•'; position: absolute; left: 0; color: var(--at-red); font-weight: 700; }

/* ---------------------------------- *
 *  9. RESPONSIVE
 * ---------------------------------- */
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .home-hero__inner,
  .service-hero__inner,
  .zone-layout,
  .why-layout {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .why-layout__img { order: -1; }
  .service-hero__visual picture,
  .service-hero__visual img { max-height: 360px; }
}
@media (max-width: 800px) {
  .header__nav, .header__phone { display: none; }
  .header__burger { display: inline-flex; }
  .sticky-tel { display: inline-flex; }
  body { padding-bottom: 56px; }
  .fab { bottom: 5rem; }

  .header__nav { position: fixed; inset: var(--header-h) 0 0 0; flex-direction: column; gap: 0; padding: 1.5rem; background: var(--at-white); transform: translateX(100%); transition: transform var(--t-slow); z-index: 49; }
  .header.is-menu-open .header__nav { transform: translateX(0); display: flex; }
  .header__nav-link { padding: 1rem 0; border-bottom: 1px solid var(--at-border); font-size: 1.1rem; }
}
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr !important; gap: 1.75rem !important; }
}

@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .form { grid-template-columns: 1fr; }
  .home-hero h1 { font-size: clamp(1.65rem, 7vw, 2.2rem); line-height: 1.15; }
  .home-hero__visual img,
  .home-hero__visual picture { aspect-ratio: 16/10; }
  .home-hero__cta, .cta-final__actions { flex-direction: column; }
  .home-hero__cta .btn { width: 100%; justify-content: center; }
  .service-hero h1 { font-size: clamp(1.6rem, 7vw, 2.2rem); line-height: 1.15; }
}