/* ═══════════════════════════════════════════════
   ALSACE NETTOIE PRO — feuille de style unique
   ═══════════════════════════════════════════════ */

:root {
  --rouge-fonce: #651222;
  --rouge-clair: #801430;
  --creme:       #ffffff;
  --bleu-fonce:  #222651;
  --bleu-inter:  #394285;
  --bleu-clair:  #a6cff0;

  --display: "Jost", system-ui, sans-serif;
  --texte:   "Lato", system-ui, sans-serif;

  --large: 1320px;
  --marge-bord: clamp(18px, 3vw, 52px);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--texte);
  font-size: 1.0625rem;
  line-height: 1.62;
  color: var(--bleu-fonce);
  background: var(--creme);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.005em;
  margin: 0;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
a { color: var(--rouge-clair); text-underline-offset: 3px; }

:focus-visible { outline: 3px solid var(--rouge-clair); outline-offset: 3px; }

.sprite { position: absolute; width: 0; height: 0; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 0; top: 0; z-index: 200;
  background: var(--bleu-fonce); color: var(--creme); padding: 12px 20px;
}

.conteneur {
  width: min(100% - (var(--marge-bord) * 2), var(--large));
  margin-inline: auto;
}

/* ═══ EN-TÊTE ═══ */
.entete {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 12px var(--marge-bord);

  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  /* bord franc : supprime la bavure grise au contact du hero bleu */
  border-bottom: 1px solid rgba(34, 38, 81, 0.12);
}

@supports not (backdrop-filter: blur(1px)) {
  .entete { background: rgba(255, 255, 255, 0.97); }
}

.marque { display: flex; align-items: center; margin-right: auto; }
.marque__texte { height: clamp(56px, 7vw, 100px); width: auto; }

.nav { display: flex; gap: 28px; }
.nav a {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--bleu-fonce);
  text-decoration: none;
  padding-block: 4px;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.nav a:hover { color: var(--rouge-clair); border-bottom-color: var(--rouge-clair); }
.nav a[aria-current="page"] { color: var(--rouge-clair); border-bottom-color: var(--rouge-clair); }

.tel {
  position: relative;
  overflow: hidden;
  isolation: isolate;

  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  text-decoration: none;
  padding: 8px 22px;
  border-radius: 999px;

  background: var(--bleu-clair);
  color: var(--bleu-fonce);
  transition: color 260ms cubic-bezier(.22, .61, .36, 1);
}
.tel:hover { color: var(--creme); }

.tel::before {
  content: "";
  position: absolute;
  inset: -45%;
  z-index: -1;
  background: radial-gradient(circle, var(--bleu-inter) 0%, var(--bleu-inter) 58%, transparent 80%);
  filter: blur(12px);
  opacity: 0;
  transform: scale(0.55);
  transition:
    opacity   340ms cubic-bezier(.22, .61, .36, 1),
    transform 520ms cubic-bezier(.22, .61, .36, 1);
}
.tel:hover::before { opacity: 1; transform: scale(1); }
.tel__label {
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-indent: 0.14em;      /* ← AJOUTE cette ligne : compense l'espace de fin */
  text-transform: uppercase;
  opacity: 0.75;
}
.tel__num { font-family: var(--display); font-weight: 700; font-size: 1.05rem; }

/* ═══ BOUTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 999px;
  border: 2px solid transparent;
}

/* Halo flou : le texte change en 260 ms, le fond en 520 ms.
   Ne jamais inverser ces durées — le contraste s'effondrerait à mi-transition. */
.btn--plein {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--bleu-clair);
  color: var(--bleu-fonce);
  transition: color 260ms cubic-bezier(.22, .61, .36, 1);
}
.btn--plein:hover { color: var(--creme); }

.btn--plein::before {
  content: "";
  position: absolute;
  inset: -45%;
  z-index: -1;
  background: radial-gradient(circle, var(--bleu-inter) 0%, var(--bleu-inter) 58%, transparent 80%);
  filter: blur(12px);
  opacity: 0;
  transform: scale(0.55);
  transition:
    opacity   340ms cubic-bezier(.22, .61, .36, 1),
    transform 520ms cubic-bezier(.22, .61, .36, 1);
}
.btn--plein:hover::before { opacity: 1; transform: scale(1); }

.btn--ligne {
  color: var(--bleu-fonce);
  border-color: var(--bleu-fonce);
  transition: background-color 200ms ease, color 200ms ease;
}
.btn--ligne:hover { background: var(--bleu-fonce); color: var(--creme); }

/* ═══ HERO ═══ */
.hero {
  background: var(--bleu-fonce);
  padding-block: clamp(56px, 7vw, 96px);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero__texte { position: relative; }

.hero__titre {
  font-size: clamp(2rem, 1rem + 4vw, 3.9rem);
  font-weight: 500;
  color: var(--creme);
  max-width: 14ch;
}

.hero__accroche {
  margin-top: clamp(18px, 2.2vw, 30px);
  font-family: var(--display);
  font-size: clamp(1.1rem, 0.9rem + 1vw, 1.55rem);
  font-weight: 400;
  color: var(--bleu-clair);
  line-height: 1.35;
}
.hero__accroche strong { font-weight: 700; color: var(--creme); }

.hero__texte .btn { margin-top: clamp(24px, 3vw, 38px); }

.hero__lien { margin-top: 18px; }
.hero__lien a {
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--bleu-clair);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 207, 240, 0.45);
  padding-bottom: 2px;
  transition: color 160ms ease, border-color 160ms ease;
}
.hero__lien a:hover { color: var(--creme); border-bottom-color: var(--creme); }

/* ── Avant / Après ── */
.hero__preuve {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(12px, 1.8vw, 26px);
  align-items: end;
}

.cliche {
  position: relative;
  margin: 0;
  overflow: visible;   /* indispensable, sinon le scotch est rogné */
}

.cliche img {
  width: 100%;
  aspect-ratio: 3 / 4;
  max-height: 62vh;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3);
}

.cliche--avant { transform: rotate(-2.5deg); }
.cliche--apres { transform: rotate(2.5deg); }

.scotch {
  position: absolute;
  top: -13px;
  z-index: 3;

  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(0.8rem, 0.68rem + 0.4vw, 1.02rem);
  letter-spacing: 0.01em;
  white-space: nowrap;

  background: var(--creme);
  padding: 6px 24px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.32);
  clip-path: polygon(2% 0, 100% 3%, 98% 100%, 0 96%);
}

.cliche--avant .scotch {
  left: -20px;
  color: var(--rouge-clair);
  transform: rotate(-6deg);
}
.cliche--apres .scotch {
  right: -20px;
  color: var(--bleu-fonce);
  transform: rotate(5deg);
}

/* ═══ Section introduction / SEO ═══
   À coller à la fin de ton styles.css */
.intro {
  padding: clamp(50px, 6vw, 90px) 0;
}
.intro__inner {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}
.intro__titre {
    font-family: var(--display);
    font-size: 30px;
    font-weight: 600;
    color: var(--bleu-fonce, #232350);
    margin-bottom: 24px;
}
.intro__texte {
  font-family: var(--texte, 'Lato', sans-serif);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--bleu-fonce, #232350);
  margin-bottom: 18px;
  text-align: left;
}
.intro__texte strong { font-weight: 700; }
.intro__texte a {
  color: var(--bleu-inter, #4a6fb0);
  font-weight: 600;
}

/* ═══ PRESTATIONS ═══ */
.prestations {
  background: var(--creme);
  padding-bottom: clamp(72px, 9vw, 130px);
}

.bandeau {
  background: var(--creme);
  padding-block: clamp(56px, 7vw, 96px) clamp(32px, 4vw, 52px);
  text-align: center;
}

.bandeau__titre {
  font-size: clamp(1.45rem, 0.9rem + 2.1vw, 2.5rem);
  font-weight: 500;
  color: var(--bleu-fonce);
  padding-inline: var(--marge-bord);
}

.liste-presta {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.presta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 36px);
  align-items: start;        /* le picto reste calé en haut à l'ouverture */
  padding: clamp(18px, 2.2vw, 28px);
  border-radius: 10px;
  cursor: default;
  transition: background-color 180ms ease;
}
.presta:hover,
.presta:focus-visible,
.presta:focus-within { background: rgba(166, 207, 240, 0.18); }

.presta__picto {
  display: grid;
  place-items: center;
  width: clamp(72px, 8vw, 96px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(166, 207, 240, 0.42);
}
.presta__picto svg {
  width: 54%;
  height: 54%;
  fill: none;
  stroke: var(--bleu-fonce);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 180ms ease;
}
.presta:hover .presta__picto svg { stroke: var(--rouge-fonce); }

.presta__texte h3 {
  font-size: clamp(1.2rem, 0.95rem + 0.8vw, 1.5rem);
  font-weight: 600;
  color: var(--bleu-fonce);
  margin-bottom: 6px;
}
.presta__texte > p { color: var(--bleu-inter); max-width: 58ch; }

/* ── Mots-clés repris du flyer ── */
.presta__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}
.presta__tags li {
  font-family: var(--display);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--bleu-inter);
  background: rgba(166, 207, 240, 0.32);
  border-radius: 999px;
  padding: 4px 13px;
}

/* ── Déroulé révélé au survol ──
   grid-template-rows 0fr → 1fr : anime une hauteur inconnue,
   sans JS ni max-height arbitraire. Ne pas remplacer par max-height. */
.presta__detail {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 380ms cubic-bezier(.22, .61, .36, 1),
    opacity            240ms ease;
}
.presta__detail-inner { overflow: hidden; }

.presta:hover .presta__detail,
.presta:focus-within .presta__detail,
.presta:focus-visible .presta__detail {
  grid-template-rows: 1fr;
  opacity: 1;
}

.presta__label {
  margin-top: 18px;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rouge-clair);
}

.presta__etapes {
  list-style: none;          /* sinon double numérotation avec le compteur */
  counter-reset: etape;
  margin-top: 10px;
  display: grid;
  gap: 7px;
}
.presta__etapes li {
  counter-increment: etape;
  position: relative;
  padding-left: 30px;
  font-size: 0.93rem;
  color: var(--bleu-inter);
}
.presta__etapes li::before {
  content: counter(etape);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bleu-fonce);
  color: var(--creme);
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
}

/* ═══ DEVIS ═══ */
.devis {
  background: var(--bleu-fonce);
  color: var(--creme);
  padding-block: clamp(62px, 7.5vw, 108px);
}

.devis__inner { max-width: 660px; margin-inline: auto; text-align: center; }

.pastille {
  display: grid;
  place-items: center;
  width: 106px;
  height: 106px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: var(--bleu-clair);
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.15;
  color: var(--bleu-fonce);
  transform: rotate(-6deg);
}

.devis__titre {
  font-size: clamp(1.65rem, 1.1rem + 1.9vw, 2.5rem);
  font-weight: 500;
  color: var(--creme);
  margin-bottom: 14px;
}
.devis__texte { color: var(--bleu-clair); }

.devis__form {
  margin-top: 38px;
  min-height: 280px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: 8px;
}
.devis__form p {
  font-family: var(--display);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.devis__alt { margin-top: 26px; color: var(--bleu-clair); }
.devis__alt a { color: var(--creme); font-weight: 700; }

/* ═══ ZONE ═══ */
.zone { background: var(--creme); padding-block: clamp(58px, 7vw, 96px); }

.zone__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px 48px;
}

.zone__titre {
  font-size: clamp(1.45rem, 1.05rem + 1.5vw, 2.2rem);
  font-weight: 600;
  color: var(--bleu-fonce);
}

.villes { display: flex; flex-wrap: wrap; gap: 10px; }
.villes li {
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--bleu-inter);
  border: 1.5px solid rgba(57, 66, 133, 0.3);
  border-radius: 999px;
  padding: 7px 18px;
}

/* ═══════════════════════════════════════════════
   PAGES INTERNES (à propos / réalisations)
   ═══════════════════════════════════════════════ */

.page-entete {
  background: var(--bleu-fonce);
  padding-block: clamp(48px, 6vw, 88px);
}

.page-entete__fil {
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--bleu-clair);
  opacity: 0.75;
  margin-bottom: 14px;
}

.page-entete__titre {
  font-size: clamp(1.9rem, 1.1rem + 3vw, 3.2rem);
  font-weight: 500;
  color: var(--creme);
}

.page-entete__accroche {
  margin-top: 16px;
  max-width: 54ch;
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.18rem);
  color: var(--bleu-clair);
}

/* ── À propos ── */
.apropos { background: var(--creme); padding-block: clamp(56px, 7vw, 96px); }

.apropos__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.apropos__titre {
  font-size: clamp(1.5rem, 1.05rem + 1.6vw, 2.3rem);
  font-weight: 600;
  color: var(--bleu-fonce);
  margin-bottom: 20px;
}

.apropos__texte p { color: var(--bleu-inter); max-width: 62ch; }
.apropos__texte p + p { margin-top: 16px; }

.apropos__visuel { margin: 0; }
.apropos__visuel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 10px 26px rgba(34, 38, 81, 0.18);
}
.apropos__visuel figcaption {
  margin-top: 10px;
  font-size: 0.88rem;
  color: var(--bleu-inter);
  opacity: 0.8;
}

/* ── Engagements ── */
.engagements { background: var(--bleu-fonce); padding-block: clamp(56px, 7vw, 96px); }

.engagements__titre {
  font-size: clamp(1.5rem, 1.05rem + 1.6vw, 2.3rem);
  font-weight: 500;
  color: var(--creme);
  margin-bottom: clamp(28px, 3.5vw, 46px);
}

.engagements__liste {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: clamp(24px, 3vw, 44px);
}

.engagement { border-top: 1px solid rgba(166, 207, 240, 0.24); padding-top: 18px; }

.engagement__num {
  display: block;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bleu-clair);
  margin-bottom: 10px;
}

.engagement h3 { font-size: 1.1rem; font-weight: 600; color: var(--creme); margin-bottom: 8px; }
.engagement p { color: var(--bleu-clair); font-size: 0.95rem; }

/* ── Galerie avant / après ── */
.galerie { background: var(--creme); padding-block: clamp(48px, 6vw, 84px); }

.filtres { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }

.filtre {
  font-family: var(--display);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--bleu-inter);
  background: transparent;
  border: 1.5px solid rgba(57, 66, 133, 0.3);
  border-radius: 999px;
  padding: 8px 20px;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}
.filtre:hover { border-color: var(--bleu-inter); }
.filtre.est-actif {
  background: var(--bleu-fonce);
  border-color: var(--bleu-fonce);
  color: var(--creme);
}

.galerie__compteur {
  font-size: 0.88rem;
  color: var(--bleu-inter);
  opacity: 0.75;
  margin-bottom: clamp(28px, 3.5vw, 48px);
}

.galerie__vide { padding-block: 40px; text-align: center; color: var(--bleu-inter); }

.chantiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: clamp(36px, 4.5vw, 64px);
}

.chantier__paire {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(10px, 1.4vw, 18px);
  align-items: end;
  margin-bottom: 26px;
}

.galerie .cliche img { aspect-ratio: 3 / 4; max-height: none; }

.chantier__titre { font-size: 1.14rem; font-weight: 600; color: var(--bleu-fonce); margin-bottom: 4px; }

.chantier__meta {
  font-family: var(--display);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--rouge-clair);
  margin-bottom: 10px;
}

.chantier__texte { color: var(--bleu-inter); font-size: 0.95rem; }

/* ── Rappel bas de page interne ── */
.rappel {
  background: var(--creme);
  border-top: 1px solid rgba(57, 66, 133, 0.18);
  padding-block: clamp(52px, 6.5vw, 88px);
}

.rappel__inner { max-width: 560px; margin-inline: auto; text-align: center; }

.rappel__titre {
  font-size: clamp(1.4rem, 1.05rem + 1.4vw, 2.1rem);
  font-weight: 600;
  color: var(--bleu-fonce);
  margin-bottom: 12px;
}

.rappel__texte { color: var(--bleu-inter); margin-bottom: 26px; }

/* ═══ PIED DE PAGE ═══ */
.pied {
  position: relative;
  overflow: hidden;
  background: var(--bleu-fonce);
  color: var(--bleu-clair);
  font-size: 0.95rem;
}

.pied__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-block: clamp(44px, 5vw, 68px);
}

.pied__bloc--marque {
  display: flex;
  align-items: center;
}

.pied__baseline {
  font-family: var(--display);
  line-height: 1.45;
}

.pied__titre {
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--creme);
  margin-bottom: 14px;
}

.pied__liens { display: grid; gap: 9px; }
.pied a { color: var(--bleu-clair); text-decoration: none; }
.pied a:hover { color: var(--creme); text-decoration: underline; }

.pied__barre {
  position: relative;
  border-top: 1px solid rgba(166, 207, 240, 0.16);
  padding-block: 18px;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.7;
}

/* Lien Facebook dans le footer */
.pied__social {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pied__social img {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  transition: transform 200ms ease, opacity 200ms ease;
}

/* Effet au survol : léger agrandissement + pleine opacité */
.pied__social:hover img {
  transform: scale(1.15);
  opacity: 0.85;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — un seul bloc par palier
   ═══════════════════════════════════════════════ */

@media (max-width: 900px) {
  .apropos__inner { grid-template-columns: 1fr; }
  .apropos__visuel img { aspect-ratio: 16 / 10; }
}

@media (max-width: 860px) {
  .pied__inner { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 820px) {
  .hero__inner { grid-template-columns: 1fr; gap: 38px; }
  .hero__titre { max-width: 100%; }
  .hero__preuve { max-width: 400px; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .presta { grid-template-columns: 1fr; justify-items: start; gap: 16px; }
}

@media (max-width: 560px) {
  .chantiers { grid-template-columns: 1fr; }
  .chantier__paire { gap: 8px; }
}

@media (max-width: 520px) {
  .hero__preuve { max-width: 100%; gap: 10px; }
  .cliche--avant, .cliche--apres { transform: none; }
  .scotch { top: -10px; padding: 4px 14px; }
  .cliche--avant .scotch { left: -8px; }
  .cliche--apres .scotch { right: -8px; }
  .pied__inner { grid-template-columns: 1fr; }
}

/* Écrans tactiles : pas de survol possible, le déroulé reste ouvert */
@media (hover: none) {
  .presta__detail { grid-template-rows: 1fr; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}