/* Océaviva — fabricant de piscines coque acrylique. DA "eau & travertin".
   Petrol/turquoise (eau) + travertin (plage) + data mono (process industriel).
   Signature : la "ligne d'eau" turquoise. 0 tiret cadratin, guillemets droits. */

:root {
  --oc-petrol: #0d4c58;
  --oc-petrol-2: #08333c;
  --oc-aqua: #2ba7c4;
  --oc-turquoise: #06b6a4;
  --oc-turquoise-d: #059a8b;
  --oc-sable: #ece3d4;
  --oc-sable-2: #ddccb3;
  --oc-encre: #0d1b1f;
  --oc-gris: #566468;
  --oc-ligne: #e2e8ea;
  --oc-blanc: #ffffff;
  --oc-brume: #f4f8f9;
  --max: 1200px;
  --pad: clamp(1rem, 4vw, 2.25rem);
  --sp: clamp(3rem, 7vw, 5.5rem);
  --r: 10px;
  --r-s: 7px;
  --f-display: 'Bricolage Grotesque', 'Arial Black', system-ui, sans-serif;
  --f-corps: 'Hanken Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --f-data: ui-monospace, 'Cascadia Code', 'SFMono-Regular', Menlo, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }
body { margin: 0; font-family: var(--f-corps); font-size: clamp(1rem, .35vw + .92rem, 1.06rem); line-height: 1.6; color: var(--oc-encre); background: var(--oc-blanc); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--pad); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--oc-aqua); text-underline-offset: 3px; }
a:hover { color: var(--oc-turquoise); }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; margin: 0; color: var(--oc-encre); }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.3rem); }
.data { font-family: var(--f-data); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

/* signature ligne d'eau */
.kicker { font-family: var(--f-corps); font-weight: 700; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--oc-aqua); display: inline-block; }
.waterline { height: 4px; width: 64px; border-radius: 4px; background: linear-gradient(90deg, var(--oc-turquoise), var(--oc-aqua) 60%, transparent); margin: .6rem 0 0; }
.section-head { max-width: 720px; margin-bottom: 1.8rem; }
.section-head h2 { margin-top: .35rem; }
.section-head p { color: var(--oc-gris); margin: .7rem 0 0; }

/* boutons */
.btn { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--f-corps); font-weight: 700; font-size: 1rem; padding: .85em 1.5em; border-radius: var(--r-s); border: 2px solid transparent; text-decoration: none; transition: transform .12s ease, background .15s ease, color .15s ease, border-color .15s ease; cursor: pointer; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--oc-turquoise); color: #04231f; border-color: var(--oc-turquoise); }
.btn-primary:hover { background: var(--oc-turquoise-d); border-color: var(--oc-turquoise-d); color: #04231f; }
.btn-ghost { background: transparent; color: var(--oc-petrol); border-color: var(--oc-petrol); }
.btn-ghost:hover { background: var(--oc-petrol); color: #fff; }
.btn-light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.5); backdrop-filter: blur(4px); }
.btn-light:hover { background: #fff; color: var(--oc-petrol); }

/* ---------- Header ---------- */
.site-head { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: saturate(1.3) blur(9px); border-bottom: 1px solid var(--oc-ligne); }
.site-head .bar { display: flex; align-items: center; gap: 1.5rem; height: 72px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand img { height: 38px; width: auto; }
.brand .txt { font-family: var(--f-display); font-weight: 800; font-size: 1.35rem; letter-spacing: -.03em; color: var(--oc-petrol); }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 1.4rem; }
.site-nav a { font-weight: 600; font-size: .95rem; color: var(--oc-encre); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--oc-turquoise); }
.site-nav .btn { padding: .6em 1.1em; }
.head-tel { font-weight: 700; color: var(--oc-petrol); text-decoration: none; white-space: nowrap; }
.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--oc-ligne); border-radius: var(--r-s); width: 44px; height: 40px; cursor: pointer; position: relative; }
.burger span, .burger span::before, .burger span::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); width: 18px; height: 2px; background: var(--oc-encre); }
.burger span { top: 50%; } .burger span::before { top: -5px; } .burger span::after { top: 5px; }
@media (max-width: 900px) {
  .burger { display: block; }
  .site-nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--oc-ligne); padding: .5rem var(--pad) 1.3rem; transform: translateY(-130%); transition: transform .25s ease; }
  .site-nav.open { transform: translateY(0); box-shadow: 0 20px 40px rgba(0,0,0,.12); }
  .site-nav a { padding: .85rem 0; border-bottom: 1px solid var(--oc-ligne); }
  .site-nav .btn { margin-top: .8rem; justify-content: center; }
  .head-tel { display: none; }
}

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; }
.hero .bg { position: absolute; inset: 0; z-index: 0; }
.hero .bg img { width: 100%; height: 100%; object-fit: cover; }
.hero .bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(8,51,60,.92) 0%, rgba(13,76,88,.72) 45%, rgba(13,76,88,.25) 100%); }
.hero .inner { position: relative; z-index: 1; padding-block: clamp(3.5rem, 9vw, 7rem); max-width: 680px; }
.hero h1 { color: #fff; }
.hero .lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: rgba(255,255,255,.92); margin: 1.1rem 0 0; max-width: 44ch; }
.hero .cta-row { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: .8rem; }
.hero .trust { margin-top: 1.8rem; display: flex; flex-wrap: wrap; gap: 1.2rem; font-size: .85rem; color: rgba(255,255,255,.9); }
.hero .trust b { color: #fff; }
.hero .trust span::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--oc-turquoise); margin-right: .5rem; vertical-align: middle; }

/* bandeau preuve */
.proofbar { background: var(--oc-petrol); color: #fff; }
.proofbar .row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-block: 1.1rem; }
.proofbar .it { display: flex; align-items: center; gap: .6rem; font-weight: 600; font-size: .92rem; }
.proofbar .it b { display: block; font-size: 1.05rem; }
.proofbar .ic { width: 34px; height: 34px; flex: none; border-radius: 8px; background: rgba(6,182,164,.18); display: grid; place-items: center; color: var(--oc-turquoise); font-weight: 800; }
@media (max-width: 760px) { .proofbar .row { grid-template-columns: 1fr 1fr; } }

/* sections */
section { padding-block: var(--sp); }
.bg-sable { background: var(--oc-sable); }
.bg-brume { background: var(--oc-brume); }

/* ---------- Gamme (cartes modele) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr; } }
.pcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--oc-ligne); border-radius: var(--r); overflow: hidden; text-decoration: none; color: inherit; transition: transform .15s ease, box-shadow .15s ease; position: relative; }
.pcard:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(13,76,88,.14); }
.pcard .ph { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.pcard .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.pcard:hover .ph img { transform: scale(1.05); }
.pcard .ph::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--oc-turquoise); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.pcard:hover .ph::after { transform: scaleX(1); }
.pcard .body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.pcard .fam { font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--oc-aqua); }
.pcard h3 { font-size: 1.2rem; margin: .3rem 0 .4rem; }
.pcard p { color: var(--oc-gris); font-size: .95rem; margin: 0 0 .8rem; flex: 1; }
.pcard .spec { font-family: var(--f-data); font-size: .82rem; color: var(--oc-petrol); display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: .8rem; }
.pcard .go { font-weight: 700; color: var(--oc-turquoise); }
.pcard .go::after { content: ' \2192'; }

/* ---------- Avantages (grille) ---------- */
.adv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 900px) { .adv { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .adv { grid-template-columns: 1fr; } }
.adv .it { background: #fff; border: 1px solid var(--oc-ligne); border-radius: var(--r); padding: 1.3rem 1.3rem 1.4rem; }
.adv .it .ic { width: 40px; height: 40px; border-radius: 9px; background: var(--oc-brume); color: var(--oc-turquoise); display: grid; place-items: center; font-weight: 800; margin-bottom: .7rem; }
.adv .it h3 { font-size: 1.08rem; margin-bottom: .3rem; }
.adv .it p { color: var(--oc-gris); font-size: .95rem; margin: 0; }

/* split image + texte */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
.split.rev { grid-template-columns: 1fr 1.05fr; }
.split.rev .txt { order: 2; }
@media (max-width: 820px) { .split, .split.rev { grid-template-columns: 1fr; } .split.rev .txt { order: 0; } }
.split .media img { border-radius: var(--r); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.split ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.split ul li { position: relative; padding-left: 1.6rem; margin: .5rem 0; }
.split ul li::before { content: ''; position: absolute; left: 0; top: .5em; width: .7rem; height: .7rem; border-radius: 3px; background: var(--oc-turquoise); }

/* galerie realisations */
.gal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 760px) { .gal { grid-template-columns: 1fr 1fr; } }
.gal .g { border-radius: var(--r); overflow: hidden; aspect-ratio: 16/10; }
.gal .g img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gal .g:hover img { transform: scale(1.05); }

/* FAQ */
.faq { max-width: 780px; }
.faq details { border-bottom: 1px solid var(--oc-ligne); }
.faq summary { font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; padding: 1rem 2rem 1rem 0; cursor: pointer; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: .2rem; top: .85rem; font-size: 1.5rem; color: var(--oc-turquoise); }
.faq details[open] summary::after { content: '\2013'; }
.faq .a { padding-bottom: 1.1rem; color: var(--oc-gris); }

/* CTA final */
.cta-final { background: var(--oc-petrol); color: #fff; }
.cta-final h2 { color: #fff; max-width: 18ch; }
.cta-final p { color: rgba(255,255,255,.85); max-width: 52ch; }
.cta-final .cta-row { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- Corps editorial (pages internes / articles) ---------- */
.page { padding-block: clamp(1.4rem, 3vw, 2.4rem) var(--sp); }
.crumbs { font-size: .82rem; color: var(--oc-gris); margin-bottom: 1rem; }
.crumbs a { color: var(--oc-gris); font-weight: 600; }
.page-head { max-width: 760px; }
.page-head h1 { margin: .4rem 0 .5rem; }
.page-head .chapo { font-size: clamp(1.05rem, 1.4vw, 1.22rem); color: #33484d; }
.prose { max-width: 720px; margin-inline: auto; }
.prose h2 { margin: 1.7em 0 .5em; }
.prose h3 { font-size: 1.2rem; margin: 1.4em 0 .4em; }
.prose p { margin: 0 0 1em; }
.prose a { font-weight: 600; text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: .95rem; }
.prose th, .prose td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--oc-ligne); }
.prose th { background: var(--oc-brume); font-family: var(--f-corps); }
.prose td.data, .spec-table td:last-child { font-family: var(--f-data); }
.note { background: var(--oc-brume); border-left: 3px solid var(--oc-turquoise); padding: .8rem 1.1rem; border-radius: var(--r-s); margin: 0 0 1.1em; }
.avérifier { color: #b4600a; font-weight: 700; }

/* devis form */
.devis { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; max-width: 640px; }
.devis .full { grid-column: 1/-1; }
.devis label { font-weight: 600; font-size: .9rem; display: block; margin-bottom: .3rem; }
.devis input, .devis select, .devis textarea { width: 100%; padding: .7rem .8rem; border: 1px solid var(--oc-ligne); border-radius: var(--r-s); font: inherit; background: #fff; }
.devis input:focus, .devis select:focus, .devis textarea:focus { outline: 2px solid var(--oc-turquoise); border-color: var(--oc-turquoise); }
@media (max-width: 560px) { .devis { grid-template-columns: 1fr; } }

/* blog cards */
.bgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .bgrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .bgrid { grid-template-columns: 1fr; } }
.acard { background: #fff; border: 1px solid var(--oc-ligne); border-radius: var(--r); overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform .15s ease, box-shadow .15s ease; }
.acard:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(13,76,88,.12); }
.acard .ph { aspect-ratio: 16/10; } .acard .ph img { width: 100%; height: 100%; object-fit: cover; }
.acard .body { padding: 1rem 1.1rem 1.2rem; }
.acard .cat { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--oc-aqua); }
.acard h3 { font-size: 1.08rem; margin: .3rem 0 .3rem; }
.acard .date { font-size: .8rem; color: var(--oc-gris); }

/* ---------- Footer ---------- */
.site-foot { background: var(--oc-petrol-2); color: rgba(255,255,255,.78); padding-block: var(--sp) 2.5rem; }
.site-foot .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; }
@media (max-width: 820px) { .site-foot .cols { grid-template-columns: 1fr 1fr; gap: 1.6rem; } }
@media (max-width: 500px) { .site-foot .cols { grid-template-columns: 1fr; } }
.site-foot .brand .txt { color: #fff; }
.site-foot h4 { color: #fff; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 .9rem; }
.site-foot a { color: rgba(255,255,255,.82); text-decoration: none; display: block; padding: .26rem 0; }
.site-foot a:hover { color: var(--oc-turquoise); }
.site-foot .legal { margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.14); font-size: .82rem; color: rgba(255,255,255,.55); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

:focus-visible { outline: 3px solid var(--oc-turquoise); outline-offset: 2px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--pad); top: .5rem; z-index: 60; background: var(--oc-petrol); color: #fff; padding: .6rem 1rem; border-radius: var(--r-s); }

/* ---------- QA mobile + SEO (audit 2026-08) ---------- */
/* lisibilite : remonter les micro-typographies sous 12px */
.kicker { font-size: .8rem; }
.acard .cat { font-size: .78rem; }
.pcard .fam { font-size: .78rem; }
/* titres footer sans casser la hierarchie Hn (ex-h4 -> p.foot-title) */
.site-foot .foot-title { color: #fff; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 .9rem; font-weight: 700; }
/* cartes gamme/blog : h2 rendu comme l'ancien h3 */
.acard h2 { font-size: 1.08rem; margin: .3rem 0 .3rem; }
.adv .it h2 { font-size: 1.08rem; margin-bottom: .3rem; }
/* icones SVG des avantages acrylique */
.adv .it .ic svg { width: 22px; height: 22px; }
/* confort tactile : fil d'Ariane cliquable ~40px de hauteur de frappe */
.crumbs { line-height: 1; }
.crumbs a { display: inline-block; padding: .55rem .15rem; }
.crumbs span { color: var(--oc-gris); }
/* galerie : figure sans marge par defaut */
.gal figure.g { margin: 0; }
/* tableaux d'article : indice de defilement horizontal sur mobile */
.twrap { overflow-x: auto;
  background: linear-gradient(90deg, #fff 30%, rgba(255,255,255,0)) left, linear-gradient(-90deg, #fff 30%, rgba(255,255,255,0)) right;
  background-repeat: no-repeat; background-size: 34px 100%, 34px 100%; background-attachment: local, local; }
.prose .twrap table { min-width: 34rem; }
/* CTA d'envoi : pleine largeur sur mobile (pouce) */
@media (max-width: 560px) { .devis .full button[type=submit] { width: 100%; } }