/* ==========================================================================
   Suresnes Toiture Pro – feuille de style
   Palette (3 couleurs tirées au hasard) : NOIR (dominante), BLEU (soutien),
   BLEU CIEL (accent des boutons d'action : appel, devis).
   Les fonds clairs sont des teintes très pâles du bleu ciel.
   ========================================================================== */
:root {
  --noir: #0D1218;
  --bleu: #1F5FAF;
  --ciel: #5BBCF0;
  --fond: #F1F8FD;
  --fond-2: #E1F0FA;
  --ligne: #BFE1F5;
  --texte: #0D1218;
  --texte-2: #2F3B47;
  --r: 14px;
  --max: 1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--texte);
  background: var(--fond);
  padding-bottom: 76px; /* place pour la barre d'appel mobile */
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); text-underline-offset: 3px; }
a:hover { color: var(--noir); }
:focus-visible { outline: 3px solid var(--bleu); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ciel); color: var(--noir); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.ico { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ico-fill { fill: currentColor; stroke: none; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; color: var(--noir); }
h1 { font-size: clamp(1.9rem, 6vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--texte-2); }

/* ----- Boutons ----- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: 52px; padding: 12px 26px;
  background: var(--ciel); color: var(--noir);
  border: 2px solid var(--ciel); border-radius: 999px;
  font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; text-align: center;
}
.btn:hover { background: var(--noir); color: var(--ciel); border-color: var(--ciel); }
.btn-ghost { background: transparent; color: var(--ciel); }
.btn-ghost:hover { background: var(--ciel); color: var(--noir); }
.btn-lg { min-height: 60px; font-size: 1.15rem; padding: 14px 32px; }
.section--clair .btn-ghost, .btn-ghost.sur-clair { color: var(--noir); border-color: var(--noir); }
.section--clair .btn-ghost:hover, .btn-ghost.sur-clair:hover { background: var(--noir); color: var(--ciel); }

/* ----- En-tête ----- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--noir); color: var(--fond); border-bottom: 3px solid var(--bleu); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; }
.brand { display: block; line-height: 0; }
.brand img { height: 40px; width: auto; }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: transparent; color: var(--ciel); border: 2px solid var(--ciel); border-radius: 12px; cursor: pointer; }
.nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--noir); border-bottom: 3px solid var(--bleu); padding: 8px 20px 20px; }
.nav.open { display: block; }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav a { display: block; padding: 14px 4px; color: var(--fond); text-decoration: none; font-weight: 600; border-bottom: 1px solid #1c2733; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ciel); }
.nav .nav-tel { display: none; }
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav { display: flex; align-items: center; gap: 22px; position: static; background: transparent; border: 0; padding: 0; }
  .nav ul { display: flex; gap: 6px; }
  .nav a { border: 0; padding: 10px 12px; }
  .nav .nav-tel { display: inline-flex; }
  .nav .nav-tel a { display: inline-flex; align-items: center; gap: .5em; padding: 10px 22px; min-height: 48px; color: var(--noir); }
  .nav .nav-tel a:hover { color: var(--ciel); }
  .nav .nav-tel a:hover .ico { color: var(--ciel); }
  body { padding-bottom: 0; }
}

/* ----- Hero ----- */
.hero { position: relative; isolation: isolate; background: var(--noir); color: var(--fond); overflow: hidden; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(13,18,24,.92) 0%, rgba(13,18,24,.7) 55%, rgba(13,18,24,.45) 100%); }
.hero--texte { background: linear-gradient(135deg, var(--noir) 60%, var(--bleu) 140%); }
.hero--texte::after { display: none; }
@media (min-width: 900px) {
  .hero--texte { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='%235BBCF0'%3E%3Cpath fill-opacity='.22' d='M4 24L32 4l28 20v8L32 12 4 32z'/%3E%3Cpath fill-opacity='.14' d='M4 38L32 18l28 20v8L32 26 4 46z'/%3E%3Cpath fill-opacity='.08' d='M4 52L32 32l28 20v8L32 40 4 60z'/%3E%3C/g%3E%3C/svg%3E"), linear-gradient(135deg, var(--noir) 60%, var(--bleu) 140%); background-repeat: no-repeat; background-position: right 6% center, 0 0; background-size: min(36vw, 400px), cover; }
}
.hero .container { padding-top: 56px; padding-bottom: 56px; }
.hero h1 { color: var(--fond); max-width: 18ch; }
.hero--page h1 { max-width: 24ch; font-size: clamp(1.8rem, 5vw, 2.6rem); }
.hero p.lead { color: var(--ligne); max-width: 56ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero .cta .btn { flex: 1 1 240px; }
.hero .mini { margin: 18px 0 0; font-size: .95rem; color: var(--ligne); display: flex; align-items: center; gap: .5em; }
.hero .mini .ico { color: var(--ciel); }
.crumbs { font-size: .9rem; margin-bottom: 18px; color: var(--ligne); }
.crumbs a { color: var(--ligne); }
.crumbs a:hover { color: var(--ciel); }
@media (min-width: 900px) {
  .hero .container { padding-top: 96px; padding-bottom: 96px; }
  .hero--page .container { padding-top: 64px; padding-bottom: 64px; }
  .hero .cta .btn { flex: 0 0 auto; }
}

/* ----- Bandeau de réassurance ----- */
.band { background: var(--bleu); color: var(--fond); }
.band ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; }
.band li { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-bottom: 1px solid rgba(241,248,253,.25); }
.band li:last-child { border-bottom: 0; }
.band .ico { width: 30px; height: 30px; color: var(--ciel); }
.band strong { display: block; font-size: 1.05rem; }
.band span { font-size: .93rem; opacity: .95; }
.band li:first-child strong { color: var(--ciel); font-size: 1.15rem; }
@media (min-width: 760px) {
  .band ul { grid-template-columns: repeat(4, 1fr); max-width: var(--max); margin: 0 auto; }
  .band li { border-bottom: 0; border-right: 1px solid rgba(241,248,253,.25); padding: 22px 20px; }
  .band li:last-child { border-right: 0; }
}
.decennale { background: var(--noir); color: var(--fond); border-bottom: 3px solid var(--bleu); }
.decennale .container { display: flex; align-items: center; gap: 14px; padding-top: 16px; padding-bottom: 16px; }
.decennale .ico { width: 32px; height: 32px; color: var(--ciel); }
.decennale strong { color: var(--ciel); font-size: 1.1rem; }
.decennale span { display: block; font-size: .95rem; color: var(--ligne); }

/* ----- Sections ----- */
.section { padding: 56px 0; }
.section--clair { background: var(--fond-2); }
.section--sombre { background: var(--noir); color: var(--fond); }
.section--sombre h2, .section--sombre h3 { color: var(--fond); }
.section--sombre .lead, .section--sombre p { color: var(--ligne); }
.section-head { max-width: 62ch; margin-bottom: 32px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 800; color: var(--bleu); margin: 0 0 .6em; }
.section--sombre .eyebrow { color: var(--ciel); }
@media (min-width: 900px) { .section { padding: 84px 0; } }

.grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card { background: var(--fond); border: 2px solid var(--ligne); border-radius: var(--r); padding: 26px; }
.section--clair .card { background: var(--fond); }
.card h3 { margin-top: 14px; }
.card p { color: var(--texte-2); margin-bottom: 0; }
.card .ico-box { width: 52px; height: 52px; border-radius: 12px; background: var(--noir); color: var(--ciel); display: flex; align-items: center; justify-content: center; }
.card .ico-box .ico { width: 28px; height: 28px; }
a.card { display: block; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--bleu); transform: translateY(-2px); }
a.card .more { display: inline-flex; align-items: center; gap: .4em; margin-top: 14px; font-weight: 700; color: var(--bleu); }

.two-col { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1.1fr .9fr; gap: 56px; } }

.ticks { list-style: none; margin: 0 0 1em; padding: 0; }
.ticks li { position: relative; padding: 8px 0 8px 34px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 13px; width: 20px; height: 20px; border-radius: 50%; background: var(--bleu) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-6.5' fill='none' stroke='%235BBCF0' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat; }
.ticks--ciel li::before { background-color: var(--noir); }

/* ----- Étapes ----- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; counter-reset: etape; grid-template-columns: 1fr; }
.steps li { counter-increment: etape; position: relative; background: var(--fond); border: 2px solid var(--ligne); border-radius: var(--r); padding: 22px 22px 22px 78px; }
.steps li::before { content: counter(etape); position: absolute; left: 20px; top: 20px; width: 40px; height: 40px; border-radius: 50%; background: var(--noir); color: var(--ciel); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.steps h3 { margin: 0 0 .25em; }
.steps p { margin: 0; color: var(--texte-2); }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(5, 1fr); } .steps li { padding: 70px 18px 22px; } .steps li::before { left: 18px; top: 18px; } .steps h3 { font-size: 1.02rem; } .steps p { font-size: .95rem; } }

/* ----- Zones ----- */
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { display: inline-flex; align-items: center; min-height: 46px; padding: 8px 18px; border: 2px solid var(--noir); border-radius: 999px; color: var(--noir); font-weight: 700; text-decoration: none; background: var(--fond); }
.chips a:hover { background: var(--noir); color: var(--ciel); }
.section--sombre .chips a { background: transparent; color: var(--fond); border-color: var(--ciel); }
.section--sombre .chips a:hover { background: var(--ciel); color: var(--noir); }

/* ----- FAQ ----- */
.faq details { background: var(--fond); border: 2px solid var(--ligne); border-radius: var(--r); margin-bottom: 12px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 56px 18px 20px; font-weight: 700; position: relative; min-height: 56px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 1.6rem; color: var(--bleu); font-weight: 400; }
.faq details[open] { border-color: var(--bleu); }
.faq details[open] summary::after { content: "–"; }
.faq .rep { padding: 0 20px 18px; color: var(--texte-2); }
.faq .rep p { margin: 0; }

/* ----- Callouts (page ville) ----- */
.callout { border-left: 6px solid var(--bleu); background: var(--fond); border-radius: 0 var(--r) var(--r) 0; padding: 20px 24px; margin-bottom: 18px; }
.callout h3 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

/* ----- Formulaire ----- */
.form-wrap { display: grid; gap: 32px; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .form-wrap { grid-template-columns: .8fr 1.2fr; gap: 56px; } }
.form { background: var(--fond); color: var(--noir); border-radius: var(--r); padding: 26px; border: 2px solid var(--ligne); }
.form .row { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .form .row { grid-template-columns: 1fr 1fr; } }
.form .row .full { grid-column: 1 / -1; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: 12px 14px; font: inherit; color: var(--noir); background: var(--fond); border: 2px solid var(--noir); border-radius: 10px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--bleu); outline-offset: 1px; }
.form .btn { width: 100%; }
.form .rgpd { font-size: .88rem; color: var(--texte-2); margin: 14px 0 0; }
.hp { display: none; }
.badge-dec { display: inline-flex; border: 2px solid var(--bleu); align-items: center; gap: 12px; padding: 14px 16px; margin: 0 0 22px; background: var(--noir); color: var(--ciel); border-radius: 12px; font-weight: 800; }
.badge-dec .ico { width: 30px; height: 30px; }
.badge-dec span { display: block; font-weight: 600; font-size: .92rem; color: var(--ligne); line-height: 1.35; }
.badge-dec strong { display: block; color: var(--ciel); font-size: 1.05rem; }
.contact-list { list-style: none; margin: 0 0 1.2em; padding: 0; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; }
.contact-list .ico { margin-top: 4px; color: var(--ciel); }
.section--clair .contact-list .ico, .contact-list.sur-clair .ico { color: var(--bleu); }
.contact-list a { color: inherit; font-weight: 800; }
.section--sombre .contact-list a { color: var(--ciel); }

/* ----- Pied de page ----- */
.site-footer { background: var(--noir); color: var(--ligne); padding: 56px 0 28px; border-top: 4px solid var(--bleu); font-size: .98rem; }
.site-footer h2 { color: var(--fond); font-size: 1.05rem; margin-bottom: .8em; }
.site-footer a { color: var(--ligne); text-decoration: none; }
.site-footer a:hover { color: var(--ciel); text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { padding: 4px 0; }
.foot-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .foot-grid { grid-template-columns: 1.3fr 1fr 1.2fr 1fr; } }
.foot-brand img { height: 36px; width: auto; margin-bottom: 14px; }
.foot-dec { display: inline-flex; align-items: center; gap: 8px; color: var(--ciel); font-weight: 800; margin: 10px 0; }
.foot-cities { columns: 2; column-gap: 20px; }
.foot-bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid #1c2733; font-size: .88rem; }

/* ----- Barre d'appel fixe (mobile) ----- */
.callbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: 1.2fr 1fr; gap: 10px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--noir); border-top: 3px solid var(--bleu); }
.callbar .btn { min-height: 54px; padding: 10px 12px; font-size: 1.02rem; }
@media (min-width: 900px) { .callbar { display: none; } }

/* ----- Texte long (mentions) ----- */
.prose { max-width: 70ch; }
.narrow { max-width: 70ch; }
.prose h2 { font-size: 1.4rem; margin-top: 1.6em; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } a.card { transition: none; } }