/* Proposition 1, atelier sombre, noir du logo, or et vert sapin */
:root {
  --noir: #000000;
  --charbon: #131614;
  --sapin: #1E3A2C;
  --sapin-fonce: #142A1F;
  --or: #C2A160;
  --or-clair: #E2CB94;
  --pierre: #ECEDE8;
  --gris: #A9AEA9;
  --blanc: #FFFFFF;
  --f-titre: "Marcellus", Georgia, serif;
  --f-texte: "Manrope", system-ui, sans-serif;
  --t-h1: clamp(2.1rem, 1.4rem + 2.4vw, 3.6rem);
  --t-h2: clamp(1.75rem, 1.3rem + 1.5vw, 2.6rem);
  --t-h3: 1.3rem;
  --t-txt: 1.0625rem;
}

body { font-family: var(--f-texte); font-size: var(--t-txt); line-height: 1.65; color: var(--pierre); background: var(--noir); }
h1, h2, h3 { font-family: var(--f-titre); font-weight: 400; line-height: 1.15; color: var(--blanc); }
h1 { font-size: var(--t-h1); }
h2 { font-size: var(--t-h2); }
h3 { font-size: var(--t-h3); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 26px; border-radius: 2px; font-weight: 700; font-size: .98rem; letter-spacing: .02em; text-decoration: none; transition: background .2s, color .2s; }
.btn-or { background: var(--or); color: var(--noir); border: 1px solid var(--or); }
.btn-or:hover { background: var(--or-clair); }
.btn-ligne { border: 1px solid var(--or); color: var(--or-clair); }
.btn-ligne:hover { background: var(--or); color: var(--noir); }
.btns { display: flex; flex-wrap: wrap; gap: 14px; }

.titre-bloc { display: flex; flex-direction: column; gap: 16px; max-width: 760px; margin-bottom: 48px; }
.titre-bloc p { color: var(--gris); }

/* En-tête */
.header.section { padding-top: 10px; padding-bottom: 10px; background: var(--noir); position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(194,161,96,.25); }
.header-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo img { height: 74px; width: auto; }
.menu { display: flex; align-items: center; gap: 30px; }
.menu a:not(.btn) { text-decoration: none; font-size: .95rem; color: var(--pierre); }
.menu a:not(.btn):hover { color: var(--or-clair); }

/* Héros */
.hero.section { position: relative; min-height: min(78vh, 760px); display: flex; align-items: flex-end; overflow: hidden; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(0,0,0,.82) 0%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.1) 100%), linear-gradient(0deg, rgba(0,0,0,.75) 0%, transparent 45%); }
.hero-in { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 56px; }
.hero-txt { max-width: 680px; display: flex; flex-direction: column; gap: 22px; }
.hero-txt p { font-size: 1.15rem; color: var(--pierre); max-width: 58ch; }
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid rgba(194,161,96,.45); }
.hero-points li { display: flex; align-items: center; gap: 12px; padding-top: 20px; font-weight: 500; color: var(--blanc); }
.hero-points .ico { color: var(--or); width: 28px; height: 28px; }

/* Entreprise */
.entreprise.section { background: var(--sapin); }
.ent-in { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.ent-txt { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.ent-txt p { max-width: 60ch; }
.ent-photos { position: relative; padding-bottom: 90px; }
.ent-photos .ph-a { width: 82%; aspect-ratio: 1; object-fit: cover; }
.ent-photos .ph-b { position: absolute; right: 0; bottom: 0; width: 44%; aspect-ratio: 3 / 4; object-fit: cover; border: 8px solid var(--sapin); }

/* Prestations */
.prestations.section { background: var(--noir); }
.cartes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.carte { background: var(--charbon); border: 1px solid rgba(194,161,96,.2); display: flex; flex-direction: column; transition: border-color .25s; }
.carte:hover { border-color: var(--or); }
.carte img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.carte-txt { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.carte-txt .ico { color: var(--or); width: 30px; height: 30px; }
.carte-txt p { font-size: .97rem; color: var(--gris); }

/* Réalisations, galerie en maçonnerie */
.realisations.section { background: var(--charbon); }
.galerie { columns: 3; column-gap: 18px; }
.galerie img { width: 100%; margin-bottom: 18px; break-inside: avoid; }

/* Zone */
.zone.section { background: var(--sapin-fonce); text-align: center; }
.zone-in { display: flex; flex-direction: column; align-items: center; gap: 44px; }
.zone h2 { max-width: 760px; }
.depts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; width: 100%; max-width: 1100px; }
.depts li { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 28px 12px; border: 1px solid rgba(194,161,96,.35); }
.depts .num { font-family: var(--f-titre); font-size: clamp(3.5rem, 2rem + 4vw, 6rem); line-height: 1; color: var(--or); }
.depts .nom { font-size: 1.15rem; font-weight: 500; color: var(--blanc); }
.zone-in > p { max-width: 60ch; color: var(--pierre); }

/* Avis */
.avis.section { background: var(--noir); }
.mention { font-size: .9rem; color: var(--gris); }
.avis-liste { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.avis-carte { background: var(--charbon); border: 1px solid rgba(194,161,96,.2); padding: 0 0 26px; display: flex; flex-direction: column; gap: 16px; }
.avis-carte img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.avis-carte > *:not(img) { margin: 0 26px; }
.etoiles { display: flex; gap: 4px; color: var(--or); }
.etoiles .ico { width: 20px; height: 20px; fill: currentColor; stroke: none; }
.auteur { font-weight: 700; color: var(--or-clair); }

/* FAQ */
.faq.section { background: var(--charbon); }
.faq h2 { margin-bottom: 40px; }
.faq-liste { border-top: 1px solid rgba(194,161,96,.35); }
.faq details { border-bottom: 1px solid rgba(194,161,96,.35); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font-family: var(--f-titre); font-size: 1.3rem; color: var(--blanc); }
.faq summary .ico { color: var(--or); transition: transform .3s; }
.faq details[open] summary .ico { transform: rotate(45deg); }
.faq details p { padding: 0 0 26px; max-width: 80ch; color: var(--gris); }

/* Devis */
.devis.section { position: relative; background: url("../img/tuiles-chantier.jpg") center / cover; }
.devis::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.8); }
.devis-in { position: relative; display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: start; }
.devis-txt { display: flex; flex-direction: column; gap: 20px; }
.contacts { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.contacts li { display: flex; align-items: center; gap: 12px; }
.contacts .ico { color: var(--or); }
.contacts a { text-decoration: none; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 36px; background: var(--sapin); border-top: 3px solid var(--or); }
.form label { display: flex; flex-direction: column; gap: 8px; font-size: .92rem; font-weight: 500; color: var(--blanc); }
.form .large { grid-column: 1 / -1; }
.form input, .form select, .form textarea { font: inherit; color: var(--noir); background: var(--pierre); border: 1px solid transparent; border-radius: 2px; padding: 12px 14px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--or); outline-offset: 1px; }

/* Pied de page */
.footer.section { background: var(--noir); text-align: center; }
.footer-in { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.footer-logo { width: 220px; }
.reseaux { display: flex; gap: 14px; }
.reseaux a { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--or); border-radius: 50%; color: var(--or); }
.legal { display: flex; gap: 24px; font-size: .88rem; color: var(--gris); }

/* Animations, réservées à deux blocs */
.anim .rv { opacity: 0; transition: opacity .9s ease, transform .9s ease; }
.anim .rv-droite { transform: translateX(40px); }
.anim .rv-bas { transform: translateY(40px); transition-delay: .25s; }
.anim .rv.vu { opacity: 1; transform: none; }
.anim .depts li { opacity: 0; transform: scale(.94); transition: opacity .6s ease, transform .6s ease; }
.anim .depts.vu li { opacity: 1; transform: none; }
.anim .depts.vu li:nth-child(2) { transition-delay: .15s; }
.anim .depts.vu li:nth-child(3) { transition-delay: .3s; }

/* Portable */
@media (max-width: 1366px) {
  .menu { gap: 22px; }
  .cartes { gap: 16px; }
  .carte-txt { padding: 18px; }
  .ent-in { gap: 56px; }
}
@media (max-width: 1180px) {
  .burger { display: block; color: var(--or); }
  .menu { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px var(--kit-pad-x) 24px; background: var(--noir); border-bottom: 1px solid rgba(194,161,96,.25); }
  .menu.ouvert { display: flex; }
  .menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .menu .btn { margin-top: 16px; }
  .header-in { position: static; }
}
/* Tablette */
@media (max-width: 1024px) {
  .ent-in { grid-template-columns: 1fr; }
  .cartes { grid-template-columns: repeat(2, 1fr); }
  .cartes { grid-template-columns: repeat(2, 1fr); }
  .galerie { columns: 2; }
  .avis-liste { grid-template-columns: 1fr; max-width: 640px; }
  .devis-in { grid-template-columns: 1fr; gap: 40px; }
  .hero-points { grid-template-columns: 1fr; gap: 0; border-top: 0; }
  .hero-points li { padding-top: 10px; }
}
/* Téléphone */
@media (max-width: 767px) {
  .logo img { height: 60px; }
  .hero.section { min-height: 88vh; }
  .hero::before { background: linear-gradient(0deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.6) 60%, rgba(0,0,0,.35) 100%); }
  .hero-in { gap: 32px; }
  .btns .btn { width: 100%; }
  .cartes { grid-template-columns: 1fr; }
  .galerie { columns: 2; column-gap: 10px; }
  .galerie img { margin-bottom: 10px; }
  .depts { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; padding: 24px; }
  .ent-photos { padding-bottom: 60px; }
  .legal { flex-direction: column; gap: 8px; }
}