/* Concept : identité reprise du logo (crème, encre, cuivre), titres en grotesque géométrique,
   cercle comme motif récurrent (logo, carrousel, zone), mise en page éditoriale en deux colonnes. */
:root {
  --bg: #faf8f1;
  --surface: #ffffff;
  --ink: #1b1f22;
  --muted: #5a5f63;
  --line: #e3ddd0;
  --copper: #b68149;
  --copper-ink: #8a5a26;
  --copper-soft: #f1e5d3;
  --tint: #f2ede1;
  --error: #b3261e;

  --font-display: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 6px;
  --header-h: 68px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); }
body { margin: 0; font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.65; color: var(--ink); background: var(--bg); }
img { max-width: 100%; display: block; }
a { color: var(--copper-ink); }
p { margin: 0 0 1em; }
ul, dl, address { margin: 0; padding: 0; list-style: none; font-style: normal; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); line-height: 1.1; letter-spacing: -.015em; margin: 0 0 .6em; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.8vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: 0; }

.container { width: min(1160px, 100%); margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

.label { margin: 0 0 1rem; font-family: var(--font-display); font-size: .74rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--copper-ink); }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 52ch; }

:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; border-radius: 3px; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 300; padding: .7rem 1.1rem; background: var(--ink); color: #fff; border-radius: var(--radius); transition: top .2s; }
.skip-link:focus { top: 1rem; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.5rem; background: var(--ink); color: var(--bg); border: 2px solid var(--ink); border-radius: var(--radius); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.btn:hover { background: var(--copper-ink); border-color: var(--copper-ink); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn-small { min-height: 40px; padding: .4rem 1.1rem; font-size: .95rem; }

/* En-tête */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); background: var(--bg); z-index: 150; }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100; background: var(--bg); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.logo img { width: 44px; height: 44px; }

.nav-list { display: flex; align-items: center; gap: 1.6rem; }
.nav-list a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; padding: .3rem 0; border-bottom: 2px solid transparent; }
.nav-list a:not(.btn):hover { border-bottom-color: var(--copper); }
.nav-list .btn { color: var(--bg); }
.nav-list .btn:hover { color: #fff; }

.nav-toggle { display: none; width: 48px; height: 48px; background: none; border: 0; border-radius: var(--radius); cursor: pointer; position: relative; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 12px; width: 24px; height: 2px; background: var(--ink); transition: transform .25s; }
.nav-toggle-bar { top: 23px; }
.nav-toggle-bar::before { left: 0; top: -7px; }
.nav-toggle-bar::after { left: 0; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

/* Accueil */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-grid > * { min-width: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin: 1.8rem 0 2.4rem; }
.facts { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.facts dt { font-family: var(--font-display); font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; font-family: var(--font-display); font-weight: 800; font-size: 1.8rem; line-height: 1.25; font-variant-numeric: tabular-nums; }
.hero-logo img { width: min(100%, 440px); height: auto; margin-inline: auto; }

/* Sections */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-tint { background: var(--tint); }
.section-head { max-width: 42rem; margin-bottom: 2.5rem; }
.section-head h2 { margin-bottom: 0; }
.section-head-row { max-width: 1160px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 1.25rem; }
.section-head-row > * { min-width: 0; }

.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); }
.about-grid > * { min-width: 0; }
.about-body > p { color: var(--muted); max-width: 60ch; }
.values { margin-top: 2rem; border-top: 1px solid var(--line); }
.values li { display: grid; grid-template-columns: 10.5rem 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.values strong { font-family: var(--font-display); font-size: .98rem; }
.values span { color: var(--muted); }

/* Compétences */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 1.25rem; }
.skill-group { background: var(--surface); padding: 1.75rem; border-radius: var(--radius); border-top: 4px solid var(--copper); }
.skill-group h3 { margin-bottom: 1rem; }
.skill-group li { position: relative; padding: .5rem 0 .5rem 1.6rem; border-top: 1px solid var(--line); }
.skill-group li::before { content: ""; position: absolute; left: .1rem; top: 1.05em; width: .6rem; height: .6rem; border-radius: 50%; background: var(--copper); }

/* Carrousel rond */
.realisations { overflow: hidden; }
.orbit { overflow: hidden; padding-block: 1rem 2rem; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.orbit-track { display: flex; width: max-content; animation: orbit-scroll 60s linear infinite; }
.orbit:hover .orbit-track, .orbit:focus-within .orbit-track, .orbit.paused .orbit-track { animation-play-state: paused; }
@keyframes orbit-scroll { to { transform: translateX(-50%); } }

.orb { margin: 0 1.75rem 0 0; width: clamp(170px, 22vw, 250px); text-align: center; flex: none; }
.orb:nth-child(even) { margin-top: 2.5rem; }
.orb figcaption { margin-top: 1rem; font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .04em; }
.photo { position: relative; width: 100%; height: auto; aspect-ratio: 1; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 5px var(--bg), 0 0 0 7px var(--copper); transition: transform .35s; overflow: hidden; }
.orb:hover .photo { transform: scale(1.06); }


/* Zone / carte */
.zone-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.zone-grid > * { min-width: 0; }
.communes { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0 1.5rem; margin-top: 1.5rem; }
.communes li { padding: .55rem .5rem; border-bottom: 1px solid var(--line); cursor: default; transition: background .2s, color .2s; }
.communes li.on { background: var(--copper-soft); color: var(--copper-ink); font-weight: 600; }

.map { margin: 0; background: var(--surface); border-radius: var(--radius); padding: 1rem; }
.map-svg { width: 100%; height: auto; max-height: 82vh; }
.map figcaption { margin-top: .75rem; font-size: .85rem; color: var(--muted); }
.map-zone { fill: var(--copper); fill-opacity: .12; stroke: var(--copper); stroke-opacity: .12; stroke-width: 56; stroke-linejoin: round; }
.map-river { fill: none; stroke: #9db4bd; stroke-width: 7; stroke-linecap: round; opacity: .75; }
.map-river-label { font-family: var(--font-display); font-size: 17px; font-style: italic; fill: #5f7882; }
.map-dot { fill: var(--ink); stroke: var(--surface); stroke-width: 3; transition: fill .2s; }
.map-dot-main { fill: var(--copper); }
.map-label { font-family: var(--font-display); font-weight: 600; font-size: 17px; fill: var(--ink); paint-order: stroke; stroke: var(--surface); stroke-width: 5px; stroke-linejoin: round; }
.map-label-main { font-weight: 800; font-size: 21px; }
.map-pt.on .map-dot { fill: var(--copper); }
.map-pt.on .map-label { fill: var(--copper-ink); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.contact-grid > * { min-width: 0; }
.contact-buttons { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.8rem 0 2rem; }
.contact-info { border-top: 1px solid var(--line); }
.contact-info > div { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.contact-info .label { margin: 0; color: var(--muted); }
.contact-info a { overflow-wrap: anywhere; }

.form { background: var(--surface); padding: clamp(1.5rem, 4vw, 2.25rem); border-radius: var(--radius); border: 1px solid var(--line); }
.hp { position: absolute; left: -9999px; }
.field { margin-bottom: 1.25rem; }
.field label { display: block; margin-bottom: .35rem; font-weight: 700; }
.field input, .field textarea { width: 100%; padding: .8rem 1rem; font: inherit; color: var(--ink); background: var(--bg); border: 1.5px solid #cfc7b6; border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--copper-ink); box-shadow: 0 0 0 4px rgba(182, 129, 73, .25); }
.field [aria-invalid="true"] { border-color: var(--error); }
.error { margin: .35rem 0 0; font-size: .9rem; color: var(--error); }
.form-status { margin: 1rem 0 0; font-weight: 700; }

/* Pied de page */
.site-footer { background: var(--ink); color: #cfd3d6; padding-block: 2rem; font-size: .95rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer-links a { color: #fff; }

.quickbar { display: none; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .zone-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-logo { order: -1; }
  .hero-logo img { width: min(60%, 260px); margin-inline: 0; }
}

@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav-list { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem max(16px, env(safe-area-inset-right, 0px)) 1.25rem max(16px, env(safe-area-inset-left, 0px)); background: var(--bg); border-bottom: 1px solid var(--line); visibility: hidden; opacity: 0; transform: translateY(-6px); transition: opacity .2s, transform .2s, visibility .2s; }
  .nav-list.open { visibility: visible; opacity: 1; transform: none; }
  .nav-list li { border-bottom: 1px solid var(--line); }
  .nav-list li:last-child { border: 0; padding-top: 1rem; }
  .nav-list a:not(.btn) { display: block; padding: .9rem 0; border: 0; }
  .nav-list .btn { width: 100%; }

  .quickbar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: .5rem; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: .6rem max(16px, env(safe-area-inset-right, 0px)) calc(.6rem + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); background: var(--surface); border-top: 1px solid var(--line); }
  .quickbar a { display: grid; place-items: center; min-height: 46px; border: 1.5px solid var(--line); border-radius: var(--radius); color: var(--ink); font-weight: 700; text-decoration: none; }
  .quickbar .quickbar-main { background: var(--ink); border-color: var(--ink); color: var(--bg); }
  .site-footer { padding-bottom: 6rem; }
}

@media (max-width: 560px) {
  .values li, .contact-info > div { grid-template-columns: 1fr; gap: .2rem; }
  .hero-actions .btn { width: 100%; }
}

/* Sans animation : le carrousel devient une rangée défilable à la main */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .orbit { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
  .orbit-track { animation: none; }
  .orbit-track [aria-hidden="true"] { display: none; }
  #orbit-toggle { display: none; }
}