/* =====================================================================
   Rénovation Durand — feuille de style partagée
   Charte : base claire « plâtre », accent terre cuite, Fraunces + Inter
   Mobile-first · breakpoints 768px (tablet) / 1280px (desktop)
   ===================================================================== */

/* ---------- Variables ---------- */
:root {
  /* Palette */
  --c-bg: #F7F4EF;        /* fond principal — plâtre frais */
  --c-bg-2: #EAE4DA;      /* fond secondaire — pierre / béton clair */
  --c-bg-3: #E2DACE;      /* surface un peu plus marquée */
  --c-accent: #B5532A;    /* accent métier — terre cuite / brique */
  --c-accent-dark: #97431F;
  --c-text: #26221E;      /* anthracite chaud */
  --c-mute: #6E665B;      /* taupe — texte secondaire */
  --c-line: rgba(38, 34, 30, 0.12);
  --c-line-2: rgba(38, 34, 30, 0.22);
  --c-dark: #26221E;      /* fond footer */

  /* Typo */
  --font-title: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container: 1200px;
  --pad: 16px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 10px rgba(38, 34, 30, 0.08);
  --shadow: 0 22px 48px -28px rgba(38, 34, 30, 0.5);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; color: inherit; }
a { color: inherit; }

/* ---------- Base ---------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body.is-menu-open { overflow: hidden; }

h1, h2, h3 { font-family: var(--font-title); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }
p { color: var(--c-text); }
a { text-decoration: none; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--c-text); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: 56px; }
.section--alt { background: var(--c-bg-2); }
.section--dark { background: var(--c-dark); color: var(--c-bg); }
.section__head { max-width: 720px; margin-bottom: 32px; }
.section__head--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-body); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--c-accent); margin-bottom: 12px;
}
.section--dark .eyebrow { color: #E29A6B; }
.lead { font-size: 1.1rem; color: var(--c-mute); margin-top: 12px; }
.section--dark .lead { color: rgba(247, 244, 239, 0.78); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 15px 24px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; text-align: center;
  transition: background 0.2s var(--ease), color 0.2s, border-color 0.2s, transform 0.2s;
}
.btn--primary { background: var(--c-accent); color: #fff; }
.btn--primary:hover { background: var(--c-accent-dark); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-line-2); }
.btn--ghost:hover { border-color: var(--c-text); }
.btn--light { background: #fff; color: var(--c-text); }
.btn--light:hover { background: var(--c-bg-2); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px var(--pad);
  background: rgba(247, 244, 239, 0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; }
.brand__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--c-accent); color: #fff;
  font-family: var(--font-title); font-weight: 600; font-size: 1rem; letter-spacing: 0.02em;
}
.brand__name { font-family: var(--font-title); font-size: 1.18rem; }
.nav { display: none; align-items: center; gap: 6px; }
.nav a {
  padding: 9px 14px; border-radius: 999px; font-size: 0.96rem; color: var(--c-text);
  transition: background 0.2s, color 0.2s;
}
.nav a:hover { background: var(--c-bg-2); }
.nav a.is-active { color: var(--c-accent); font-weight: 600; }
.nav .nav__cta { background: var(--c-accent); color: #fff; font-weight: 600; }
.nav .nav__cta:hover { background: var(--c-accent-dark); }
.nav .nav__cta.is-active { color: #fff; }

.burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px; background: transparent; border: 0; cursor: pointer;
}
.burger span { height: 2px; width: 100%; background: var(--c-text); border-radius: 2px; transition: transform 0.25s, opacity 0.2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Menu mobile ---------- */
.mobile-menu {
  position: fixed; inset: 64px 0 0 0; z-index: 99;
  display: flex; flex-direction: column; gap: 4px;
  padding: 24px var(--pad);
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a {
  padding: 16px 8px; font-family: var(--font-title); font-size: 1.4rem;
  border-bottom: 1px solid var(--c-line);
}
.mobile-menu a.is-active { color: var(--c-accent); }
.mobile-menu .nav__cta { color: var(--c-accent); }

/* ---------- Hero (accueil) ---------- */
.hero {
  position: relative; color: #fff;
  background:
    linear-gradient(180deg, rgba(20, 17, 14, 0.5) 0%, rgba(20, 17, 14, 0.72) 100%),
    url('images/hero-accueil.jpg') center / cover no-repeat,
    #2A2724;
}
.hero__inner { max-width: 820px; padding-block: clamp(72px, 14vw, 140px); }
.hero__title { color: #fff; font-size: clamp(2.2rem, 6.5vw, 3.8rem); }
.hero__sub { margin-top: 20px; font-size: 1.12rem; max-width: 600px; color: rgba(255, 255, 255, 0.86); }
.hero .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.hero .btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

/* Hero court (pages internes) */
.hero-page {
  background: var(--c-bg-2);
  border-bottom: 1px solid var(--c-line);
  padding-block: clamp(48px, 9vw, 88px);
}
.hero-page__inner { max-width: 760px; }
.hero-page h1 { margin-top: 8px; }
.hero-page p { margin-top: 16px; color: var(--c-mute); font-size: 1.08rem; }

/* Variante hero de page avec photo de fond (services / zone / contact) */
.hero-page--photo { color: #fff; border-bottom: 0; background-size: cover; background-position: center; }
.hero-page--photo h1 { color: #fff; }
.hero-page--photo p { color: rgba(255, 255, 255, 0.85); }
.hero-page--photo .eyebrow { color: #E7A074; }
.hero-page--services { background-image: linear-gradient(180deg, rgba(20,17,14,0.55), rgba(20,17,14,0.8)), url('images/hero-services.jpg'); }
.hero-page--zone { background-image: linear-gradient(180deg, rgba(20,17,14,0.5), rgba(20,17,14,0.78)), url('images/hero-zone.jpg'); }
.hero-page--contact { background-image: linear-gradient(180deg, rgba(20,17,14,0.5), rgba(20,17,14,0.78)), url('images/hero-contact.jpg'); }

/* ---------- Proof bar ---------- */
.proof {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--c-line); border-block: 1px solid var(--c-line);
}
.proof__item { background: var(--c-bg); padding: 22px 16px; text-align: center; }
.proof__num { display: block; font-family: var(--font-title); font-size: 1.5rem; color: var(--c-accent); }
.proof__label { display: block; margin-top: 4px; font-size: 0.86rem; color: var(--c-mute); }

/* ---------- Grilles de cards ---------- */
.cards { display: grid; gap: 18px; grid-template-columns: 1fr; }
.card {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.section--alt .card { background: #fff; }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; margin-bottom: 16px; border-radius: 12px;
  background: var(--c-bg-2); color: var(--c-accent);
}
.section--alt .card__icon { background: var(--c-bg-2); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--c-mute); }

/* ---------- Corps de métier ---------- */
.trades { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
.trade {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 20px 16px;
}
.section--alt .trade { background: #fff; }
.trade__icon { width: 34px; height: 34px; color: var(--c-accent); }
.trade__name { font-family: var(--font-title); font-size: 1.08rem; }
.trade__desc { font-size: 0.9rem; color: var(--c-mute); }

/* ---------- Bloc zone / villes ---------- */
.cities { display: grid; gap: 18px; grid-template-columns: 1fr; }
.city {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.section--alt .city { background: #fff; }
.city__name { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.city__name strong { font-family: var(--font-title); font-size: 1.3rem; font-weight: 600; }
.city__name span { font-size: 0.82rem; color: var(--c-accent); letter-spacing: 0.04em; text-transform: uppercase; }
.city p { color: var(--c-mute); }
.commune-list {
  list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px;
}
.commune-list li {
  background: var(--c-bg); border: 1px solid var(--c-line-2); border-radius: 999px;
  padding: 9px 16px; font-size: 0.92rem;
}
.section--alt .commune-list li { background: #fff; }

/* ---------- Compare slider (version simplifiée du site principal) ---------- */
.case { margin-block: 64px; }
.case__head { margin-bottom: 16px; }
.case__title { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
.case__meta { color: var(--c-mute); margin-top: 4px; }

.compare {
  --split: 50%;
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 12px;
  background: var(--c-bg-2);
  user-select: none;
  touch-action: pan-y;
}
.compare__layer { position: absolute; inset: 0; }
.compare__layer img { width: 100%; height: 100%; object-fit: cover; display: block; }
.compare__layer--after { z-index: 1; }
.compare__layer--before {
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
  -webkit-clip-path: inset(0 calc(100% - var(--split)) 0 0);
}
.compare__label {
  position: absolute;
  top: 14px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  z-index: 4;
  pointer-events: none;
}
.compare__label--before { left: 14px; }
.compare__label--after { right: 14px; }
.compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 44px;
  transform: translateX(-50%);
  background: transparent;
  border: 0;
  cursor: ew-resize;
  z-index: 3;
  padding: 0;
}
.compare__handle-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
}
.compare__handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.compare__handle-grip::before,
.compare__handle-grip::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}
.compare__handle-grip::before { left: 10px; border-right: 7px solid currentColor; color: var(--c-text); }
.compare__handle-grip::after { right: 10px; border-left: 7px solid currentColor; color: var(--c-text); }
.compare__handle:focus-visible { outline: 0; }
.compare__handle:focus-visible .compare__handle-grip {
  box-shadow: 0 0 0 3px var(--c-accent), 0 2px 8px rgba(0,0,0,0.25);
}

/* ---------- Services : offres ---------- */
.offers { display: grid; gap: 20px; grid-template-columns: 1fr; }
.offer {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-sm);
}
.section--alt .offer { background: #fff; }
.offer h3 { font-size: 1.4rem; margin-bottom: 10px; }
.offer > p { color: var(--c-mute); margin-bottom: 16px; }
.offer__list { list-style: none; display: grid; gap: 9px; }
.offer__list li { position: relative; padding-left: 24px; color: var(--c-text); }
.offer__list li::before {
  content: ''; position: absolute; left: 4px; top: 0.55em;
  width: 8px; height: 8px; border-radius: 2px; background: var(--c-accent);
}

/* ---------- Services : processus ---------- */
.steps { display: grid; gap: 14px; grid-template-columns: 1fr; counter-reset: step; }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start;
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 22px;
}
.section--alt .step { background: #fff; }
.step__num {
  font-family: var(--font-title); font-size: 1.6rem; color: var(--c-accent);
  line-height: 1; min-width: 48px;
}
.step__title { font-family: var(--font-title); font-size: 1.15rem; margin-bottom: 4px; }
.step__text { color: var(--c-mute); }

/* ---------- Services : ce qu'on ne fait pas ---------- */
.exclude { display: grid; gap: 12px; grid-template-columns: 1fr; }
.exclude__item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 18px 20px; border: 1px dashed var(--c-line-2); border-radius: var(--radius);
}
.exclude__mark { color: var(--c-accent); font-weight: 700; line-height: 1.4; }
.exclude__item p { color: var(--c-mute); }
.exclude__item strong { color: var(--c-text); font-weight: 600; }

/* ---------- À propos : équipe ---------- */
.team { display: grid; gap: 16px; grid-template-columns: 1fr; }
.member {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 22px;
}
.section--alt .member { background: #fff; }
.member__role { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent); }
.member__name { font-family: var(--font-title); font-size: 1.2rem; margin: 4px 0 8px; }
.member__pitch { color: var(--c-mute); font-size: 0.95rem; }

/* ---------- À propos : certifications ---------- */
.certs { display: grid; gap: 16px; grid-template-columns: 1fr; }
.cert {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px;
}
.section--alt .cert { background: #fff; }
.cert h3 { color: var(--c-accent); margin-bottom: 8px; }
.cert p { color: var(--c-mute); }

/* ---------- À propos : charte de travail ---------- */
.pledge { list-style: none; display: grid; gap: 12px; }
.pledge li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 20px; background: var(--c-bg); border-left: 3px solid var(--c-accent); border-radius: 0 var(--radius) var(--radius) 0;
}
.section--alt .pledge li { background: #fff; }
.pledge svg { flex: none; width: 22px; height: 22px; color: var(--c-accent); margin-top: 2px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
.contact-info { display: grid; gap: 18px; align-content: start; }
.contact-info__block { display: grid; gap: 4px; }
.contact-info__label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-mute); }
.contact-info a { font-size: 1.12rem; color: var(--c-text); font-weight: 600; }
.contact-info a:hover { color: var(--c-accent); }

.contact-form {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-sm);
}
.section--alt .contact-form { background: #fff; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field--row { grid-template-columns: 1fr; gap: 16px; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field .req { color: var(--c-accent); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--c-text);
  padding: 12px 14px; background: var(--c-bg); border: 1.5px solid var(--c-line-2); border-radius: 10px;
  transition: border-color 0.2s;
}
.section--alt .field input, .section--alt .field select, .section--alt .field textarea { background: var(--c-bg); }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--c-accent); }
.form-message {
  margin-bottom: 16px; padding: 14px 16px; border-radius: 10px;
  background: rgba(181, 83, 42, 0.1); color: var(--c-accent-dark); font-weight: 600;
}

/* ---------- Mentions légales ---------- */
.legal { margin-top: 40px; border-top: 1px solid var(--c-line); padding-top: 24px; }
.legal summary {
  cursor: pointer; font-family: var(--font-title); font-size: 1.1rem; padding: 6px 0;
  list-style: none;
}
.legal summary::-webkit-details-marker { display: none; }
.legal summary::before { content: '+ '; color: var(--c-accent); font-weight: 700; }
.legal[open] summary::before { content: '– '; }
.legal__body { padding-top: 14px; color: var(--c-mute); font-size: 0.92rem; display: grid; gap: 10px; }
.legal__body strong { color: var(--c-text); }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; }
.cta-final h2 { color: var(--c-bg); margin-bottom: 12px; }
.cta-final p { color: rgba(247, 244, 239, 0.78); max-width: 560px; margin-inline: auto; }
.cta-final .btn-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-dark); color: rgba(247, 244, 239, 0.8); padding-block: 48px; }
.footer__cols { display: grid; gap: 28px; grid-template-columns: 1fr; }
.footer__col { display: grid; gap: 8px; align-content: start; }
.footer__col a { color: rgba(247, 244, 239, 0.8); }
.footer__col a:hover { color: #fff; }
.footer__brand { font-family: var(--font-title); font-size: 1.25rem; color: #fff; }
.footer__legal {
  margin-top: 36px; padding-top: 24px; border-top: 1px solid rgba(247, 244, 239, 0.16);
  display: grid; gap: 8px; font-size: 0.88rem; color: rgba(247, 244, 239, 0.6);
}
.footer__credit a { color: #E29A6B; text-decoration: underline; }
.footer__credit a:hover { color: #fff; }
.footer__demo { font-style: italic; }

/* ---------- Images de contenu (photos prompt 3) ---------- */
.offer__img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; margin-bottom: 18px; }
.histoire-grid { display: grid; gap: 22px; }
.histoire-grid__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.histoire-grid__media img { width: 100%; height: 100%; object-fit: cover; }
.histoire-text p + p { margin-top: 14px; }
.team-banner { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--radius-lg); margin-bottom: 28px; box-shadow: var(--shadow-sm); }
@media (min-width: 768px) {
  .histoire-grid { grid-template-columns: 320px 1fr; align-items: center; }
}

/* ---------- Accessibilité : focus visible ---------- */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--c-accent); outline-offset: 2px; border-radius: 4px;
}

/* ---------- Tablet ≥ 768px ---------- */
@media (min-width: 768px) {
  :root { --pad: 24px; }
  .section { padding-block: 80px; }
  .nav { display: flex; }
  .burger { display: none; }
  .mobile-menu { display: none !important; }

  .proof { grid-template-columns: repeat(4, 1fr); }
  .cards { grid-template-columns: repeat(3, 1fr); }
  .trades { grid-template-columns: repeat(3, 1fr); }
  .cities { grid-template-columns: repeat(3, 1fr); }
  .offers { grid-template-columns: repeat(3, 1fr); }
  .steps { gap: 16px; }
  .exclude { grid-template-columns: repeat(3, 1fr); }
  .team { grid-template-columns: repeat(3, 1fr); }
  .certs { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
  .field--row { grid-template-columns: 1fr 1fr; }
  .compare { aspect-ratio: 16 / 10; }
}

/* ---------- Desktop ≥ 1280px ---------- */
@media (min-width: 1280px) {
  .hero__inner { padding-block: 150px; }
  .trades { grid-template-columns: repeat(5, 1fr); }
  .team { grid-template-columns: repeat(5, 1fr); }
  .case .compare { max-width: 980px; }
}

/* ---------- Préférence : mouvement réduit ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}