/* =========================================================
   Sani-Dépannage & Désembouage — feuille de style
   Couleurs du logo : bleu nuit, orange flamme, bleu eau, crème
   ========================================================= */
:root {
  --nuit: #10304f;
  --bleu: #17406a;
  --bleu-2: #2a5d8f;
  --eau: #6fa9cf;
  --eau-clair: #dcebf6;
  --flamme: #e0692a;
  --flamme-vive: #f28a3c;
  --braise: #b8501b;
  --creme: #f8f3ea;
  --sable: #efe4d2;
  --texte: #1f2c3a;
  --gris: #5d6874;
  --bord: #e6dccb;
  --blanc: #fff;
  --whatsapp: #25d366;
  --rayon: 18px;
  --ombre: 0 12px 30px rgba(16, 48, 79, .10);
  --ombre-forte: 0 22px 50px rgba(16, 48, 79, .20);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
html, body { overflow-x: clip; }
body { margin: 0; font-family: "Nunito Sans", Arial, sans-serif; font-size: 17px; line-height: 1.65; color: var(--texte); background: var(--creme); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu-2); }
h1, h2, h3, .titre { font-family: "Barlow Condensed", "Arial Narrow", Arial, sans-serif; line-height: 1.05; margin: 0 0 .45em; color: var(--nuit); text-transform: uppercase; letter-spacing: .01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 800; }
h3 { font-size: 1.55rem; font-weight: 700; }
p { margin: 0 0 1em; }
.conteneur { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.sur-titre { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--flamme); margin-bottom: .9em; }
.sur-titre::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: var(--flamme); }
.centre { text-align: center; }
.centre .sur-titre { justify-content: center; }
.intro { max-width: 680px; color: var(--gris); font-size: 1.08rem; }
.centre .intro { margin: 0 auto 2.6em; }
.orange { color: var(--flamme); }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55em; padding: .9em 1.5em; border-radius: 999px; border: 0; font-family: inherit; font-weight: 800; font-size: 1rem; text-decoration: none; cursor: pointer; transition: transform .2s, background .2s, box-shadow .2s; }
.btn svg { width: 1.2em; height: 1.2em; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn-flamme { background: var(--flamme); color: #fff; box-shadow: 0 10px 22px rgba(224,105,42,.35); }
.btn-flamme:hover { background: var(--flamme-vive); }
.btn-bleu { background: var(--bleu); color: #fff; }
.btn-bleu:hover { background: var(--bleu-2); }
.btn-whatsapp { background: var(--whatsapp); color: #fff; box-shadow: 0 10px 22px rgba(37,211,102,.3); }
.btn-whatsapp:hover { background: #1ebe5d; }
.btn-contour { background: transparent; color: var(--nuit); box-shadow: inset 0 0 0 2px var(--nuit); }
.btn-contour:hover { background: var(--nuit); color: #fff; }
.btn-blanc { background: #fff; color: var(--nuit); }

/* En-tête */
.entete { position: sticky; top: 0; z-index: 1000; background: rgba(248,243,234,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: .3s; }
.entete.defile { border-color: var(--bord); box-shadow: 0 6px 24px rgba(16,48,79,.08); }
.entete .conteneur { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.marque img { height: 70px; width: auto; }
.menu { display: flex; align-items: center; gap: 4px; }
.menu a:not(.btn) { padding: 9px 13px; border-radius: 10px; text-decoration: none; color: var(--nuit); font-weight: 700; font-size: .98rem; }
.menu a:not(.btn):hover { background: var(--sable); }
.menu .btn { margin-left: 8px; padding: .7em 1.2em; font-size: .95rem; }
.burger { display: none; width: 48px; height: 48px; border: 0; border-radius: 12px; background: var(--nuit); color: #fff; cursor: pointer; }
.burger svg { width: 26px; height: 26px; }

/* Héros */
.heros { position: relative; overflow: hidden; padding: 70px 0 110px; background:
  radial-gradient(700px 420px at 82% 40%, rgba(242,138,60,.22), transparent 65%),
  radial-gradient(600px 400px at 95% 90%, rgba(111,169,207,.28), transparent 65%),
  var(--creme); }
.heros .conteneur { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.heros h1 .ligne2 { display: block; color: var(--flamme); }
.heros p.accroche { font-size: 1.2rem; color: var(--gris); max-width: 560px; margin-bottom: 1.8em; }
.heros .boutons { display: flex; flex-wrap: wrap; gap: 12px; }
.garanties { display: flex; flex-wrap: wrap; gap: 10px; margin: 2em 0 0; padding: 0; list-style: none; }
.garanties li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; background: #fff; border: 1px solid var(--bord); border-radius: 999px; font-weight: 700; font-size: .92rem; color: var(--nuit); }
.garanties svg { width: 18px; height: 18px; color: var(--flamme); }
.medaillon { position: relative; aspect-ratio: 1; max-width: 500px; margin-left: auto; width: 100%; }
.medaillon::before { content: ""; position: absolute; inset: 6%; border-radius: 50%; background: radial-gradient(circle at 50% 40%, #fff 0%, #fff 55%, var(--sable) 100%); box-shadow: 0 30px 60px rgba(16,48,79,.18), inset 0 0 0 10px rgba(255,255,255,.7); }
.medaillon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px dashed rgba(224,105,42,.35); animation: tourne 60s linear infinite; }
@keyframes tourne { to { transform: rotate(360deg); } }
.medaillon img { position: absolute; left: 14%; top: 16%; width: 72%; z-index: 1; filter: drop-shadow(0 10px 18px rgba(16,48,79,.18)); }
.puce { position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 8px; background: #fff; border-radius: 14px; padding: 10px 14px; box-shadow: var(--ombre); font-weight: 800; font-size: .9rem; color: var(--nuit); white-space: nowrap; animation: flotte 5s ease-in-out infinite; }
.puce svg { width: 22px; height: 22px; }
.puce.p1 { top: 6%; left: -4%; } .puce.p1 svg { color: var(--flamme); }
.puce.p2 { top: 46%; right: -6%; animation-delay: -1.6s; } .puce.p2 svg { color: var(--eau); }
.puce.p3 { bottom: 4%; left: 6%; animation-delay: -3.2s; } .puce.p3 svg { color: var(--bleu-2); }
@keyframes flotte { 50% { transform: translateY(-8px); } }
.vague { position: absolute; left: 0; right: 0; bottom: -1px; height: 70px; width: 100%; }

/* Sections */
.section { padding: 100px 0; position: relative; }
.section-blanche { background: #fff; }
.section-nuit { background: linear-gradient(170deg, var(--bleu) 0%, var(--nuit) 70%); color: #d8e5f1; overflow: hidden; }
.section-nuit h2, .section-nuit h3 { color: #fff; }
.section-nuit .intro { color: #b9cde0; }
.section-nuit .sur-titre { color: var(--flamme-vive); }
.section-nuit .sur-titre::before { background: var(--flamme-vive); }

/* Services */
.grille-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service { background: #fff; border-radius: var(--rayon); padding: 32px 28px; box-shadow: var(--ombre); border: 1px solid var(--bord); position: relative; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.service:hover { transform: translateY(-6px); box-shadow: var(--ombre-forte); }
.service::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: linear-gradient(90deg, var(--flamme), var(--eau)); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.service:hover::after { transform: scaleX(1); }
.service .icone { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: #fdeee4; color: var(--flamme); margin-bottom: 18px; }
.service .icone svg { width: 34px; height: 34px; }
.service.eau .icone { background: var(--eau-clair); color: var(--bleu-2); }
.service p { color: var(--gris); margin: 0; }
.service ul { margin: 14px 0 0; padding: 0; list-style: none; color: var(--texte); font-size: .95rem; }
.service li { padding-left: 22px; position: relative; margin-bottom: 4px; }
.service li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--flamme); }
.service.eau li::before { background: var(--eau); }
.service-large { grid-column: span 2; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: start; background: linear-gradient(135deg, #fff 0%, #fff6ee 100%); }
.service-large .icone { margin: 0; width: 80px; height: 80px; }
.service-large .icone svg { width: 42px; height: 42px; }
.lien { display: inline-flex; margin-top: 16px; font-weight: 800; color: var(--flamme); text-decoration: none; }
.lien:hover { color: var(--braise); }

/* Désembouage */
.deux-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.signes { list-style: none; padding: 0; margin: 1.4em 0 2em; display: grid; gap: 12px; }
.signes li { display: flex; gap: 14px; align-items: flex-start; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 14px 16px; }
.signes svg { width: 24px; height: 24px; flex: none; color: var(--flamme-vive); margin-top: 2px; }
.signes strong { color: #fff; display: block; }
.radiateurs { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 24px; padding: 30px; }
.radiateurs .duo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.radiateurs figure { margin: 0; text-align: center; }
.radiateurs figcaption { margin-top: 12px; font-family: "Barlow Condensed", Arial, sans-serif; font-weight: 700; font-size: 1.3rem; text-transform: uppercase; color: #fff; letter-spacing: .04em; }
.radiateurs figcaption small { display: block; font-family: "Nunito Sans", Arial, sans-serif; text-transform: none; font-weight: 600; font-size: .85rem; color: #b9cde0; letter-spacing: 0; }
.radiateurs .note { font-size: .88rem; color: #b9cde0; margin: 20px 0 0; text-align: center; }
.benefices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.benefice { text-align: center; background: rgba(255,255,255,.06); border-radius: 14px; padding: 16px 10px; }
.benefice b { display: block; font-family: "Barlow Condensed", Arial, sans-serif; font-size: 1.4rem; color: var(--flamme-vive); text-transform: uppercase; }
.benefice span { font-size: .85rem; color: #b9cde0; }

/* Entretien + réservation */
.pourquoi { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 1.6em 0; }
.pourquoi div { background: #fff; border: 1px solid var(--bord); border-radius: 14px; padding: 18px; }
.pourquoi svg { width: 28px; height: 28px; color: var(--flamme); margin-bottom: 6px; }
.pourquoi strong { display: block; color: var(--nuit); font-size: 1.02rem; }
.pourquoi span { font-size: .92rem; color: var(--gris); }
.info-legale { font-size: .9rem; color: var(--gris); background: var(--eau-clair); border-left: 4px solid var(--eau); padding: 14px 16px; border-radius: 0 12px 12px 0; }

.reservation { background: #fff; border-radius: 24px; box-shadow: var(--ombre-forte); border: 1px solid var(--bord); overflow: hidden; }
.reservation .tete-form { background: linear-gradient(135deg, var(--flamme) 0%, var(--braise) 100%); color: #fff; padding: 26px 30px; display: flex; gap: 16px; align-items: center; }
.reservation .tete-form svg { width: 44px; height: 44px; flex: none; }
.reservation .tete-form h3 { color: #fff; margin: 0; font-size: 1.9rem; }
.reservation .tete-form p { margin: 0; color: #ffe6d6; font-size: .95rem; }
.reservation form { padding: 26px 30px 30px; }
.etape-form { font-family: "Barlow Condensed", Arial, sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--bleu-2); font-size: 1.05rem; margin: 6px 0 12px; display: flex; align-items: center; gap: 10px; }
.etape-form span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--bleu); color: #fff; font-size: .95rem; }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.champs .plein { grid-column: 1 / -1; }
label.lib { display: block; font-weight: 700; font-size: .9rem; color: var(--nuit); margin-bottom: 6px; }
.reservation input[type=text], .reservation input[type=tel], .reservation input[type=email], .reservation input[type=month], .reservation select, .reservation textarea { width: 100%; padding: 12px 14px; margin-bottom: 16px; font: inherit; font-size: .98rem; color: var(--texte); background: var(--creme); border: 1px solid var(--bord); border-radius: 12px; }
.reservation input:focus, .reservation select:focus, .reservation textarea:focus { outline: none; border-color: var(--flamme); background: #fff; box-shadow: 0 0 0 4px rgba(224,105,42,.14); }
.reservation textarea { min-height: 90px; resize: vertical; }
.choix { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.choix input { position: absolute; opacity: 0; pointer-events: none; }
.choix label { cursor: pointer; padding: 9px 14px; border-radius: 999px; border: 1.5px solid var(--bord); background: var(--creme); font-weight: 700; font-size: .92rem; color: var(--nuit); transition: .15s; user-select: none; }
.choix input:checked + label { background: var(--bleu); border-color: var(--bleu); color: #fff; }
.choix input:focus-visible + label { box-shadow: 0 0 0 3px rgba(224,105,42,.4); }
.choix label:hover { border-color: var(--bleu-2); }
.reservation .btn { width: 100%; font-size: 1.08rem; padding: 1em; }
.reservation .note { text-align: center; font-size: .86rem; color: var(--gris); margin: 12px 0 0; }
.erreur { color: #b42318; font-weight: 700; font-size: .9rem; margin: -6px 0 12px; display: none; }
.erreur.visible { display: block; }

/* Envoi du formulaire : e-mail ou WhatsApp */
.envois { display: grid; gap: 12px; }
.reservation .envois .btn-whatsapp { font-size: 1rem; padding: .85em 1em; }
.reservation .btn[disabled] { opacity: .7; cursor: wait; transform: none; }
.piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.merci { text-align: center; padding: 30px 10px 10px; }
.merci:focus { outline: none; }
.merci > svg { width: 56px; height: 56px; color: var(--flamme); margin: 0 auto 10px; display: block; }
.merci p { color: var(--gris); }
.reservation .merci .btn { width: auto; font-size: 1rem; padding: .8em 1.4em; }

/* Étapes */
.etapes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: e; }
.etape { background: #fff; border-radius: var(--rayon); padding: 30px 26px; border: 1px solid var(--bord); box-shadow: var(--ombre); }
.etape::before { counter-increment: e; content: counter(e); display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--flamme); color: #fff; font-family: "Barlow Condensed", Arial, sans-serif; font-size: 1.6rem; font-weight: 800; margin-bottom: 14px; }
.etape p { color: var(--gris); margin: 0; }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--bord); border-radius: 16px; margin-bottom: 12px; overflow: hidden; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; font-weight: 800; color: var(--nuit); position: relative; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: var(--sable); display: grid; place-items: center; font-size: 1.2rem; color: var(--flamme); transition: .2s; }
.faq details[open] summary::after { content: "–"; background: var(--flamme); color: #fff; }
.faq details p { padding: 0 22px 20px; margin: 0; color: var(--gris); }

/* Bandeau final */
.bandeau { background: linear-gradient(120deg, var(--flamme) 0%, var(--braise) 100%); border-radius: 26px; padding: 54px; color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 30px; box-shadow: var(--ombre-forte); position: relative; overflow: hidden; }
.bandeau::before { content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%; background: rgba(255,255,255,.08); }
.bandeau h2 { color: #fff; margin-bottom: .2em; }
.bandeau p { margin: 0; color: #ffe6d6; font-size: 1.1rem; }
.bandeau .boutons { display: flex; flex-wrap: wrap; gap: 12px; position: relative; flex: none; }

/* Pied */
.pied { background: var(--nuit); color: #b9cde0; padding: 70px 0 0; }
.pied .conteneur { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.pied .logo-pied { background: var(--creme); border-radius: 20px; padding: 14px; display: inline-block; margin-bottom: 16px; }
.pied .logo-pied img { height: 110px; width: auto; }
.pied h4 { font-family: "Barlow Condensed", Arial, sans-serif; color: #fff; text-transform: uppercase; letter-spacing: .08em; font-size: 1.15rem; margin: 0 0 14px; }
.pied ul { list-style: none; padding: 0; margin: 0; }
.pied li { margin-bottom: 8px; }
.pied a { color: #e2ecf5; text-decoration: none; }
.pied a:hover { color: #fff; text-decoration: underline; }
.pied .bas { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .86rem; color: #8ea7c0; }

/* WhatsApp flottant */
.wa-flottant { position: fixed; right: 18px; bottom: 18px; z-index: 1100; display: inline-flex; align-items: center; gap: 10px; background: var(--whatsapp); color: #fff; text-decoration: none; font-weight: 800; padding: 13px 18px 13px 14px; border-radius: 999px; box-shadow: 0 10px 26px rgba(0,0,0,.25); transition: transform .2s; }
.wa-flottant:hover { transform: scale(1.04); }
.wa-flottant svg { width: 28px; height: 28px; }

.apparait { opacity: 0; transform: translateY(18px); transition: opacity .6s, transform .6s; }
.apparait.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .apparait { opacity: 1; transform: none; } .medaillon::after, .puce { animation: none; } html { scroll-behavior: auto; } }

/* Tablette */
@media (max-width: 1040px) {
  .grille-services { grid-template-columns: repeat(2, 1fr); }
  .deux-col { grid-template-columns: 1fr; gap: 40px; }
  .menu .btn-tel { display: none; }
}
/* Mobile */
@media (max-width: 820px) {
  body { font-size: 16px; }
  /* Pas de flou sur mobile : il "enfermait" le menu plein écran dans la barre du haut */
  .entete { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--creme); }
  .entete .conteneur { height: 72px; }
  .marque img { height: 58px; }
  .burger { display: grid; place-items: center; }
  .menu { position: fixed; top: 72px; left: 0; right: 0; bottom: auto; height: calc(100vh - 72px); height: calc(100dvh - 72px); background: var(--creme); flex-direction: column; align-items: stretch; padding: 16px 20px 30px; gap: 4px; transform: translateX(100%); visibility: hidden; transition: transform .3s, visibility .3s; overflow-y: auto; }
  .menu.ouvert { transform: none; visibility: visible; }
  .menu a:not(.btn) { padding: 15px 12px; font-size: 1.15rem; border-bottom: 1px solid var(--bord); border-radius: 0; }
  .menu .btn { margin: 14px 0 0; padding: 1em; }
  .menu .btn-tel { display: inline-flex; }
  .heros { padding: 40px 0 90px; }
  .heros .conteneur { grid-template-columns: 1fr; gap: 30px; }
  .medaillon { max-width: 340px; margin: 0 auto; }
  .puce { font-size: .8rem; padding: 8px 11px; }
  .puce.p2 { right: -2%; }
  .heros .btn { flex: 1 1 100%; }
  .section { padding: 70px 0; }
  .grille-services, .etapes, .pourquoi, .benefices { grid-template-columns: 1fr; }
  .service-large { grid-column: auto; grid-template-columns: 1fr; }
  .radiateurs { padding: 20px; }
  .radiateurs .duo { gap: 14px; }
  .champs { grid-template-columns: 1fr; }
  .reservation form, .reservation .tete-form { padding-left: 20px; padding-right: 20px; }
  .bandeau { flex-direction: column; align-items: flex-start; padding: 36px 24px; }
  .bandeau .boutons, .bandeau .btn { width: 100%; }
  .pied .conteneur { grid-template-columns: 1fr; gap: 30px; }
  .wa-flottant span { display: none; }
  .wa-flottant { padding: 14px; }
}

/* Choix de la langue FR / NL */
.langue { margin-left: auto; display: inline-grid; place-items: center; min-width: 44px; height: 40px; padding: 0 10px; border-radius: 10px; border: 2px solid var(--nuit); color: var(--nuit); font-weight: 800; font-size: .92rem; letter-spacing: .04em; text-decoration: none; }
.langue:hover { background: var(--nuit); color: #fff; }

/* Zone d'intervention */
.zone-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 2.2em; }
.zone-bloc { background: var(--creme); border: 1px solid var(--bord); border-radius: 18px; padding: 24px 26px; }
.zone-bloc h3 { font-size: 1.35rem; margin-bottom: .7em; }
.communes { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.communes li { background: #fff; border: 1px solid var(--bord); border-radius: 999px; padding: 7px 14px; font-weight: 700; font-size: .92rem; color: var(--nuit); }
#zone .note { margin-top: 1.6em; }
@media (max-width: 820px) { .zone-grille { grid-template-columns: 1fr; } }