/* Atelier Duo Concept — site public. Couleurs de la marque : Charbon, Pierre, Lin, Sauge, Terre. */
:root {
  --charbon: #2B2B2B;
  --charbon-doux: #3A3835;
  --pierre: #C8B9A7;
  --pierre-fonce: #A99884;
  --lin: #EDE8E1;
  --lin-clair: #F6F3EE;
  --sauge: #6B7A68;
  --sauge-fonce: #56634F;
  --terre: #5A4A3A;
  --terre-fonce: #45382B;
  --rouille: #8A4B3B;
  --texte: #2B2B2B;
  --texte-doux: #6A635B;
  --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --sans: 'Montserrat', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --rayon: 14px;
  --largeur: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--lin-clair); color: var(--texte); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--terre); }
a:hover { color: var(--terre-fonce); }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.18; margin: 0 0 .5em; color: var(--charbon); }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1em; }
.cadre { width: 100%; max-width: var(--largeur); margin: 0 auto; padding: 0 20px; }
.etroit { max-width: 760px; }
.surtitre { font-size: .76rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--sauge); margin-bottom: .8em; }
.ico { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.evitement { position: absolute; left: -9999px; }
.evitement:focus { left: 12px; top: 12px; z-index: 50; background: #fff; padding: 8px 12px; }
:focus-visible { outline: 2px solid var(--sauge); outline-offset: 3px; }

.bandeau-apercu { background: var(--terre); color: var(--lin); font-size: .82rem; text-align: center; padding: 8px 16px; }

/* ---------- En-tête ---------- */
.entete { position: sticky; top: 0; z-index: 20; background: rgba(246, 243, 238, .94); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid rgba(169, 152, 132, .28); }
.entete-cadre { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.marque { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--charbon); margin-right: auto; }
.marque img { width: 46px; height: auto; }
.marque strong { display: block; font-family: var(--serif); font-weight: 500; font-size: 1.12rem; letter-spacing: .04em; }
.marque small { display: block; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--texte-doux); }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a { text-decoration: none; color: var(--charbon); font-size: .9rem; font-weight: 500; }
.menu a:hover { color: var(--sauge-fonce); }
.menu .menu-contact { background: var(--charbon); color: var(--lin-clair); padding: 10px 18px; border-radius: 999px; font-weight: 600; }
.menu .menu-contact .court { display: none; }
.menu .menu-contact:hover { background: var(--terre); color: #fff; }
.entete-tel { display: none; align-items: center; gap: 6px; color: var(--charbon); font-weight: 600; text-decoration: none; }

/* ---------- Héros ---------- */
.hero { background: radial-gradient(120% 90% at 85% 10%, #fff 0%, var(--lin) 55%, #E3DCD2 100%); border-bottom: 1px solid rgba(169, 152, 132, .25); overflow: hidden; }
.hero-cadre { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 48px; padding-top: 88px; padding-bottom: 96px; }
.hero-intro { font-size: 1.08rem; color: var(--texte-doux); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-zone { display: flex; align-items: center; gap: 8px; color: var(--terre); font-weight: 500; font-size: .95rem; margin: 0; }
.hero-visuel { position: relative; }
.hero-visuel img { position: relative; width: 100%; max-width: 440px; margin: 0 auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 26px; border-radius: 999px; font-family: var(--sans); font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer; border: 1.5px solid transparent; transition: background .2s, color .2s, transform .2s; }
.btn:active { transform: translateY(1px); }
.btn-plein { background: var(--terre); color: #fff; }
.btn-plein:hover { background: var(--terre-fonce); color: #fff; }
.btn-contour { border-color: var(--charbon); color: var(--charbon); background: transparent; }
.btn-contour:hover { background: var(--charbon); color: var(--lin-clair); }
.btn-large { width: 100%; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-lin { background: var(--lin); }
.section-charbon { background: var(--charbon); color: var(--lin); }
.section-charbon h2 { color: var(--lin-clair); }
.section-charbon .surtitre { color: var(--pierre); }

.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.service { background: #fff; border: 1px solid rgba(169, 152, 132, .3); border-radius: var(--rayon); padding: 28px 26px; transition: transform .25s, box-shadow .25s; }
.service:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -18px rgba(43, 43, 43, .35); }
.service-ico { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--lin); color: var(--sauge-fonce); margin-bottom: 16px; }
.service-ico .ico { width: 26px; height: 26px; }
.service p { color: var(--texte-doux); font-size: .95rem; margin: 0; }

.etapes { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: e; }
.etapes li { counter-increment: e; background: var(--lin-clair); border-radius: var(--rayon); padding: 24px 22px; position: relative; }
.etapes li::before { content: counter(e); display: block; font-family: var(--serif); font-size: 2.4rem; line-height: 1; color: var(--pierre-fonce); margin-bottom: 12px; }
.etapes strong { display: block; margin-bottom: 6px; font-size: 1rem; }
.etapes span { color: var(--texte-doux); font-size: .93rem; }
.duo { display: flex; align-items: center; gap: 28px; margin-top: 44px; padding: 28px 30px; background: #fff; border-radius: var(--rayon); border: 1px solid rgba(169, 152, 132, .3); }
.duo img { width: 96px; flex: none; }
.duo p { margin: 0; color: var(--texte-doux); }
.duo strong { color: var(--charbon); }

.galerie { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 32px; }
.galerie-photo { position: relative; display: block; border-radius: var(--rayon); overflow: hidden; aspect-ratio: 4 / 3; background: var(--lin); }
.galerie-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.galerie-photo:hover img { transform: scale(1.04); }
.galerie-photo span { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 14px 12px; background: linear-gradient(transparent, rgba(0, 0, 0, .6)); color: #fff; font-size: .82rem; font-weight: 500; }

/* ---------- Contact ---------- */
.contact-cadre { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.contact-infos p { color: var(--pierre); }
.coordonnees { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.coordonnees li { display: flex; align-items: center; gap: 12px; }
.coordonnees a, .coordonnees span { color: var(--lin-clair); text-decoration: none; font-size: 1.05rem; }
.coordonnees a:hover { text-decoration: underline; }
.coordonnees .ico { color: var(--pierre); width: 22px; height: 22px; }
.formulaire { background: var(--lin-clair); color: var(--texte); border-radius: calc(var(--rayon) + 4px); padding: 30px; }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.champ { display: flex; flex-direction: column; gap: 6px; font-size: .86rem; font-weight: 600; }
.champ-large { grid-column: 1 / -1; }
.champ input, .champ select, .champ textarea { font: inherit; font-weight: 400; font-size: 1rem; color: var(--texte); background: #fff; border: 1px solid #D3CBC0; border-radius: 10px; padding: 12px 14px; width: 100%; }
.champ textarea { resize: vertical; min-height: 130px; }
.champ input:focus, .champ select:focus, .champ textarea:focus { outline: none; border-color: var(--sauge); box-shadow: 0 0 0 3px rgba(107, 122, 104, .18); }
.champ em, .accord-erreur { font-style: normal; font-weight: 500; color: var(--rouille); font-size: .82rem; }
.en-erreur input, .en-erreur textarea { border-color: var(--rouille); }
.accord { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 6px; font-size: .86rem; color: var(--texte-doux); }
.accord input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--sauge); flex: none; }
.accord.en-erreur span { color: var(--rouille); }
.accord-erreur { display: block; margin-bottom: 8px; }
.formulaire .btn { margin-top: 12px; }
.erreur-envoi { background: #F6E6E1; color: var(--rouille); border-radius: 10px; padding: 12px 14px; font-weight: 500; }
.piege { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.petit { font-size: .8rem; color: var(--texte-doux); margin: 10px 0 0; }

/* ---------- Pages simples ---------- */
.page-simple { text-align: left; }
.page-merci .page-simple, .page-introuvable .page-simple { text-align: center; }
.page-merci .page-simple img { margin: 0 auto 24px; width: 100px; }
.texte-long h1 { margin-bottom: .8em; }
.texte-long h2 { font-size: 1.35rem; margin-top: 1.6em; }
.texte-long p { color: var(--texte-doux); }

/* ---------- Pied ---------- */
.pied { background: #222120; color: var(--pierre); padding: 48px 0 92px; }
.pied-cadre { display: flex; flex-wrap: wrap; align-items: center; gap: 22px 40px; }
.pied img { width: 200px; }
.pied-liens { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-right: auto; }
.pied-liens a { color: var(--lin); text-decoration: none; font-size: .9rem; }
.pied-liens a:hover { text-decoration: underline; }
.pied-copy { margin: 0; font-size: .8rem; }

.appel-flottant { display: none; }

/* ---------- Téléphone et tablette ---------- */
@media (max-width: 900px) {
  .menu a:not(.menu-contact) { display: none; }
  .hero-cadre { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 60px; gap: 8px; }
  .hero-visuel { order: -1; }
  .hero-visuel img { max-width: 260px; }
  .etapes { grid-template-columns: 1fr 1fr; }
  .services { grid-template-columns: 1fr 1fr; }
  .contact-cadre { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 64px 0; }
}
@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .entete-cadre { min-height: 62px; gap: 12px; }
  .marque img { width: 38px; }
  .marque strong { font-size: 1rem; }
  .marque small { display: none; }
  .hero-visuel { display: none; }
  .hero-cadre { padding-top: 40px; }
  .menu .menu-contact { padding: 8px 16px; font-size: .85rem; font-size: 0; }
  .menu .menu-contact .court { display: inline; font-size: .88rem; }
  .etapes { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }
  .champs { grid-template-columns: 1fr; }
  .formulaire { padding: 20px 16px; margin: 0 -4px; }
  .duo { flex-direction: column; align-items: flex-start; padding: 22px; gap: 14px; }
  .duo img { width: 72px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .appel-flottant { display: inline-flex; align-items: center; gap: 8px; position: fixed; right: 16px; bottom: 16px; z-index: 30; background: var(--sauge); color: #fff; text-decoration: none; font-weight: 600; padding: 14px 20px; border-radius: 999px; box-shadow: 0 10px 26px -10px rgba(0, 0, 0, .45); }
  .appel-flottant:hover { color: #fff; background: var(--sauge-fonce); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }