/* SAUBESTY Maçonnerie — palette gris ardoisé (slate) */
:root {
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --accent:    #c8a45c;   /* touche dorée/sable pour le bâtiment */
  --accent-dk: #a8843f;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 23, 42, .12);
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--slate-800);
  background: var(--slate-50);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }
.btn {
  display: inline-block; cursor: pointer; border: none; font-size: 1rem; font-weight: 600;
  padding: .85rem 1.6rem; border-radius: 10px; transition: .2s; text-align: center;
}
.btn-primary { background: var(--accent); color: var(--slate-900); }
.btn-primary:hover { background: var(--accent-dk); }
.btn-ghost { background: transparent; color: var(--white); border: 1.5px solid var(--slate-300); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-dark { background: var(--slate-700); color: #fff; }
.btn-dark:hover { background: var(--slate-800); }

/* ---------- Accessibilité ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--slate-900); padding: .8rem 1.2rem;
  font-weight: 700; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 23, 42, .96); backdrop-filter: blur(6px);
  color: #fff;
}
header.site .container { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; }
.brand { display: flex; align-items: center; gap: .7rem; }
.brand .logo {
  width: 42px; height: 42px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent); color: var(--slate-900); font-weight: 800; font-size: 1.2rem;
}
.brand .logo-img {
  width: 48px; height: 48px; border-radius: 50%; object-fit: contain; flex-shrink: 0;
  background: #000; box-shadow: 0 0 0 2px rgba(200,164,92,.35);
}
.brand .name { font-weight: 800; letter-spacing: .5px; line-height: 1.1; }
.brand .name small { display: block; font-weight: 500; font-size: .72rem; color: var(--slate-400); letter-spacing: 2px; text-transform: uppercase; }
nav.main a { margin-left: 1.6rem; color: var(--slate-200); font-weight: 500; }
nav.main a:hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; text-align: center;
  padding: 6rem 0 5rem;
  background:
    linear-gradient(rgba(15,23,42,.78), rgba(15,23,42,.86)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Crect width='40' height='40' fill='%23334155'/%3E%3Cpath d='M0 20h40M20 0v40' stroke='%23475569' stroke-width='1'/%3E%3C/svg%3E");
  background-size: cover, 40px 40px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; margin-bottom: 1rem; }
.hero h1 .accent { color: var(--accent); }
.hero p.lead { font-size: 1.2rem; color: var(--slate-200); max-width: 680px; margin: 0 auto 2rem; }
.hero .cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Sections ---------- */
section { padding: 4.5rem 0; }
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head .eyebrow { color: var(--accent-dk); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: .8rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); color: var(--slate-900); margin: .4rem 0; }
.section-head p { color: var(--slate-500); max-width: 620px; margin: 0 auto; }
.alt { background: var(--slate-100); }

/* ---------- Présentation ---------- */
.about { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2.5rem; align-items: center; }
.about .infos { background: var(--slate-800); color: #fff; border-radius: var(--radius); padding: 2rem; }
.about .infos h3 { color: var(--accent); margin-bottom: 1rem; }
.about .infos li { list-style: none; padding: .55rem 0; border-bottom: 1px solid var(--slate-700); display: flex; gap: .6rem; }
.about .infos li:last-child { border: 0; }

/* ---------- Corps de métier ---------- */
.metiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.metier-card {
  background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
  border-top: 4px solid var(--slate-600); transition: .2s;
}
.metier-card:hover { transform: translateY(-5px); border-top-color: var(--accent); }
.metier-card .ico { font-size: 2.4rem; margin-bottom: .8rem; }
.metier-card h3 { color: var(--slate-900); margin-bottom: .6rem; }
.metier-card p { color: var(--slate-600); }

/* ---------- Certifications ---------- */
.certifs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.certif-card {
  display: flex; gap: 1rem; align-items: flex-start; padding: 1.6rem; border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow); border-left: 4px solid var(--accent);
}
.certif-card .ico { font-size: 2rem; line-height: 1; }
.certif-card h3 { color: var(--slate-900); font-size: 1.1rem; margin-bottom: .3rem; }
.certif-card p { color: var(--slate-600); font-size: .95rem; }

/* ---------- Compétences (étiquettes) ---------- */
.competences { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; }
.competences .tag {
  background: #fff; color: var(--slate-700); border: 1.5px solid var(--slate-300);
  padding: .55rem 1.1rem; border-radius: 30px; font-weight: 600; font-size: .95rem;
  display: inline-flex; align-items: center; gap: .5rem;
}
.competences .tag::before { content: "✓"; color: var(--accent-dk); font-weight: 800; }

/* ---------- Avis clients ---------- */
.avis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.avis-card .photos { display: flex; gap: .5rem; flex-wrap: wrap; margin: .2rem 0 1rem; }
.avis-card .photos img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; cursor: pointer; }
.rev-note-row { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin: .2rem 0 1rem; }
.rev-note-title { font-weight: 600; color: var(--slate-700); }
.star-input { font-size: 2.2rem; color: var(--slate-300); cursor: pointer; display: inline-flex; gap: .25rem; line-height: 1; user-select: none; }
.star-input span { transition: transform .12s, color .12s; }
.star-input span:hover { transform: scale(1.2); }
.star-input span.on { color: var(--accent); }
.rev-note-label { font-weight: 700; color: var(--accent-dk); font-size: .95rem; }
.rev-photos-label { display: inline-flex; align-items: center; gap: .4rem; cursor: pointer; color: var(--accent-dk); font-weight: 600; font-size: .92rem; margin-top: .3rem; padding: .6rem .9rem; border: 1.5px dashed var(--accent); border-radius: 9px; background: #fffaf0; }
.rev-photos-label.has { border-style: solid; color: #166534; background: #f0fdf4; border-color: #16a34a; }
.rev-previews { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .7rem; }
.rev-previews .pv { position: relative; }
.rev-previews img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; border: 2px solid #16a34a; }
.rev-previews .pv button { position: absolute; top: -7px; right: -7px; width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff; background: #991b1b; color: #fff; cursor: pointer; font-size: .85rem; line-height: 1; }
.avis-card {
  background: #fff; border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow);
  border-top: 4px solid var(--slate-600);
}
.avis-card .stars { color: var(--accent); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: .7rem; }
.avis-card .texte { color: var(--slate-700); font-style: italic; margin-bottom: 1rem; }
.avis-card .auteur { color: var(--slate-900); font-weight: 700; }
.avis-reponse { margin-top: 1rem; padding: .9rem 1rem; background: var(--slate-100); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; }
.avis-reponse strong { color: var(--accent-dk); font-size: .85rem; display: block; margin-bottom: .3rem; }
.avis-reponse p { color: var(--slate-600); font-size: .92rem; margin: 0; font-style: normal; }
#avis-note { font-weight: 600; color: var(--accent-dk); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: 10px; box-shadow: var(--shadow); margin-bottom: .9rem; overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 1.2rem 1.4rem; font-size: 1.05rem; font-weight: 600; color: var(--slate-800);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-q .chev { color: var(--accent-dk); transition: transform .25s; flex-shrink: 0; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 1.4rem 1.2rem; color: var(--slate-600); }
.faq-item.open .faq-a { max-height: 400px; }

/* ---------- Poser une question ---------- */
.ask-box { max-width: 760px; margin: 2.5rem auto 0; background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border-top: 4px solid var(--accent); }
.ask-box h3 { color: var(--slate-900); margin-bottom: .3rem; }
.muted-light { color: var(--slate-500); font-size: .92rem; margin-bottom: 1rem; }
.ask-box input, .ask-box textarea { width: 100%; padding: .8rem; border: 1.5px solid var(--slate-300); border-radius: 9px; font-size: 1rem; font-family: inherit; margin-bottom: .8rem; }
.ask-box textarea { min-height: 90px; resize: vertical; }
.ask-box input:focus, .ask-box textarea:focus { outline: none; border-color: var(--accent); }

/* ---------- Partenaires ---------- */
.partenaires-groupe { margin-bottom: 2.5rem; }
.partenaires-groupe h3 { color: var(--slate-800); font-size: 1.3rem; margin-bottom: 1.2rem; padding-left: .8rem; border-left: 4px solid var(--accent); }
.partenaires-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.2rem; }
.partenaire-card { background: #fff; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.partenaire-card .metier { display: inline-block; font-size: .78rem; font-weight: 700; color: var(--accent-dk); background: #fffaf0; padding: .2rem .6rem; border-radius: 6px; margin-bottom: .6rem; }
.partenaire-card h4 { color: var(--slate-900); font-size: 1.1rem; margin-bottom: .6rem; }
.partenaire-card .coord { color: var(--slate-600); font-size: .9rem; line-height: 1.9; }
.partenaire-card .coord a { color: var(--slate-700); }
.partenaire-card .coord a:hover { color: var(--accent-dk); }

/* ---------- Galeries ---------- */
.galerie-block { margin-bottom: 3.5rem; }
.galerie-head { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; margin-bottom: 1.2rem; padding-left: .8rem; border-left: 4px solid var(--accent); }
.galerie-head h3 { color: var(--slate-800); font-size: 1.4rem; }
.galerie-count { color: var(--slate-500); font-size: .9rem; font-weight: 600; }
/* Grille mosaïque : respecte le format des photos (pas de recadrage) */
.grid-photos { columns: 3; column-gap: 1rem; }
.photo-item { position: relative; border-radius: 12px; overflow: hidden; background: var(--slate-200); box-shadow: var(--shadow); cursor: pointer; break-inside: avoid; margin-bottom: 1rem; }
.photo-item img { width: 100%; height: auto; display: block; transition: transform .45s ease; }
.photo-item:hover img { transform: scale(1.05); }
.photo-item .photo-zoom {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .95rem; opacity: 0; background: rgba(15,23,42,0);
  transition: opacity .25s, background .25s; pointer-events: none;
}
.photo-item:hover .photo-zoom { opacity: 1; background: rgba(15,23,42,.4); }
.photo-item .legende {
  position: absolute; bottom: 0; left: 0; right: 0; padding: .6rem .8rem;
  background: linear-gradient(transparent, rgba(15,23,42,.85)); color: #fff; font-size: .85rem;
}
.empty-note { color: var(--slate-500); font-style: italic; }
@media (max-width: 900px) { .grid-photos { columns: 2; } }
@media (max-width: 540px) { .grid-photos { columns: 2; column-gap: .6rem; } .photo-item { margin-bottom: .6rem; } }

/* ---------- Devis ---------- */
.devis-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.devis-types { display: grid; gap: 1rem; }
.type-card {
  display: flex; gap: 1rem; align-items: flex-start; padding: 1.2rem; border-radius: 12px;
  background: #fff; border: 2px solid var(--slate-200); cursor: pointer; transition: .2s;
}
.type-card:hover { border-color: var(--slate-400); }
.type-card input { margin-top: .35rem; width: 20px; height: 20px; accent-color: var(--accent-dk); }
.type-card.checked { border-color: var(--accent); background: #fffaf0; }
.type-card .ico { font-size: 1.8rem; }
.type-card h4 { color: var(--slate-800); }
.type-card small { color: var(--slate-500); }

form.devis { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
form.devis label { display: block; font-weight: 600; margin: 1rem 0 .35rem; color: var(--slate-700); font-size: .92rem; }
form.devis input, form.devis textarea, form.devis select {
  width: 100%; padding: .8rem; border: 1.5px solid var(--slate-300); border-radius: 9px; font-size: 1rem; font-family: inherit;
}
form.devis input:focus, form.devis textarea:focus { outline: none; border-color: var(--accent); }
form.devis textarea { min-height: 110px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.consent { display: flex; gap: .6rem; align-items: flex-start; margin-top: 1rem; font-weight: 400 !important; font-size: .88rem; color: var(--slate-600); cursor: pointer; }
.consent input { width: 18px; height: 18px; margin-top: .15rem; flex-shrink: 0; accent-color: var(--accent-dk); }
.secure-note { margin-top: 1rem; font-size: .82rem; color: var(--slate-500); text-align: center; }
.form-msg { margin-top: 1rem; padding: .8rem 1rem; border-radius: 9px; display: none; }
.form-msg.ok { display: block; background: #dcfce7; color: #166534; }
.form-msg.err { display: block; background: #fee2e2; color: #991b1b; }

/* ---------- Footer ---------- */
footer.site { background: var(--slate-900); color: var(--slate-300); padding: 3rem 0 1.5rem; }
footer.site .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 2rem; }
footer.site h4 { color: #fff; margin-bottom: .8rem; }
footer.site a:hover { color: var(--accent); }
footer.site .copy { text-align: center; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--slate-700); font-size: .85rem; color: var(--slate-500); }
footer.site .copy a { color: var(--slate-400); }
footer.site .copy .credit { color: var(--accent); font-weight: 600; display: inline-block; margin-top: .4rem; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; background: rgba(15,23,42,.94); display: none; align-items: center; justify-content: center; z-index: 100; padding: 2rem; }
.lightbox.open { display: flex; }
.lb-figure { margin: 0; max-width: 92vw; max-height: 88vh; display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.lightbox img { max-width: 92vw; max-height: 80vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.lb-figure figcaption { color: #e2e8f0; font-size: .95rem; font-weight: 600; letter-spacing: .3px; }
.lightbox .close { position: absolute; top: 1rem; right: 1.4rem; color: #fff; font-size: 2.4rem; cursor: pointer; background: none; border: 0; line-height: 1; z-index: 2; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.13); color: #fff; border: 0; width: 54px; height: 54px; border-radius: 50%; font-size: 2rem; cursor: pointer; display: grid; place-items: center; transition: background .2s, transform .2s; z-index: 2; }
.lb-nav:hover { background: var(--accent); color: var(--slate-900); }
.lb-prev { left: 1.2rem; } .lb-next { right: 1.2rem; }
@media (max-width: 560px) { .lb-nav { width: 44px; height: 44px; font-size: 1.6rem; } .lb-prev { left: .4rem; } .lb-next { right: .4rem; } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .about, .devis-wrap { grid-template-columns: 1fr; }
  nav.main { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--slate-900); flex-direction: column; padding: 1rem 0; }
  nav.main.open { display: flex; }
  nav.main a { margin: .6rem 1.5rem; }
  .nav-toggle { display: block; }
  .row2 { grid-template-columns: 1fr; }
}

/* ===================== POLISH / PREMIUM ===================== */

/* Réseaux sociaux (pied de page) */
.socials { display: flex; gap: .7rem; margin-top: .3rem; }
.socials a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--slate-700); color: #fff; transition: transform .2s, background .2s, color .2s; }
.socials a:hover { background: var(--accent); color: var(--slate-900); transform: translateY(-3px); }

/* Apparition au défilement */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

/* Entrée du hero */
.hero h1, .hero p.lead, .hero .cta { opacity: 0; animation: heroUp .9s cubic-bezier(.2,.7,.2,1) forwards; }
.hero p.lead { animation-delay: .15s; }
.hero .cta { animation-delay: .3s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

/* Lueur dorée subtile dans le hero */
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 50% at 50% 0%, rgba(200,164,92,.18), transparent 70%); }
.hero .container { position: relative; z-index: 1; }

/* Boutons : effet de relief au survol */
.btn { transition: .2s; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(168,132,63,.35); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15,23,42,.3); }

/* Cartes : ombre et survol plus marqués */
.metier-card, .certif-card, .avis-card, .partenaire-card, .stat-card { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.certif-card:hover, .avis-card:hover, .partenaire-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(15,23,42,.16); }

/* Titres de section : petit trait doré sous l'intitulé */
.section-head .eyebrow { display: inline-block; }
.section-head h2 { position: relative; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero h1, .hero p.lead, .hero .cta { opacity: 1 !important; animation: none; }
  .btn-primary:hover, .btn-dark:hover, .certif-card:hover, .avis-card:hover, .partenaire-card:hover { transform: none; }
}