/* ===========================================================
   EXCAVATION SHAWINIGAN
   Palette : ambre machinerie + charbon. Angles vifs, contraste fort.
   Contrastes vérifiés WCAG AA :
     #14181C sur #FFFFFF ........ 16.1:1
     #333A40 sur #FFFFFF ........ 11.5:1
     #9A6300 sur #FFFFFF ......... 5.1:1  (ambre en texte)
     #14181C sur #F2A007 ........ 10.2:1  (bouton principal)
     #FFFFFF sur #14181C ........ 16.1:1
   =========================================================== */

:root {
  --ink: #14181C;
  --ink-soft: #1C2229;
  --body: #333A40;
  --muted: #6A737B;
  --accent: #F2A007;
  --accent-hi: #FFB92B;
  --accent-text: #9A6300;
  --earth: #6B4A2F;
  --bg: #ffffff;
  --bg-alt: #F5F3F0;
  --bg-warm: #EFEAE3;
  --line: #DFDAD3;
  --line-strong: #C4BCB1;
  --ok: #1F7A3D;
  --err: #C22B2B;

  --font-h: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-b: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --fs-h1: clamp(2.1rem, 5.2vw, 3.75rem);
  --fs-h2: clamp(1.6rem, 3.4vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 1.9vw, 1.4rem);

  --s1: .5rem;  --s2: 1rem;   --s3: 1.5rem; --s4: 2rem;
  --s5: 3rem;   --s6: 4rem;   --s7: 5.5rem;

  --wrap: 1180px;
  --wrap-narrow: 760px;
  --hdr: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent-text); text-underline-offset: 3px; }
a:hover { text-decoration: none; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-h);
  font-weight: 900;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 800; letter-spacing: -.01em; }
h4 { font-size: 1.05rem; font-weight: 800; }
p { text-wrap: pretty; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--s3); }
.narrow { max-width: var(--wrap-narrow); }
section { padding-block: var(--s6); }
@media (min-width: 860px) { section { padding-block: var(--s7); } }

.overline {
  display: inline-block;
  font-family: var(--font-h);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: var(--s2);
}
.overline::before { content: ""; display: inline-block; width: 22px; height: 3px; background: var(--accent); vertical-align: middle; margin-right: .6rem; }
.on-dark .overline, .dark .overline { color: var(--accent); }
.lede { font-size: 1.09rem; color: var(--body); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.6rem;
  font-family: var(--font-h); font-weight: 800; font-size: .95rem;
  letter-spacing: .03em; text-transform: uppercase; text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s, transform .08s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-dark:hover { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.on-dark .btn-ghost { color: #fff; border-color: rgba(255,255,255,.5); }
.on-dark .btn-ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-lg { padding: 1.1rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------- En-tête ---------- */
.hdr {
  position: sticky; top: 0; z-index: 60;
  background: #fff; border-bottom: 1px solid var(--line);
}
.hdr .wrap { display: flex; align-items: center; gap: var(--s3); height: var(--hdr); }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; margin-right: auto; flex-shrink: 0; }
.brand svg { height: 38px; width: auto; }
.brand b { font-family: var(--font-h); font-weight: 900; font-size: 1.02rem; color: var(--ink); letter-spacing: -.03em; line-height: 1; }
.brand span { display: block; font-size: .62rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--accent-text); margin-top: 2px; }

.nav { display: none; gap: 1.35rem; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: .93rem; padding-block: .4rem; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current] { border-bottom-color: var(--accent); }
@media (min-width: 1000px) { .nav { display: flex; } }

.hdr-call {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--ink); color: #fff; text-decoration: none;
  font-family: var(--font-h); font-weight: 800; font-size: .95rem;
  padding: .7rem 1.1rem; white-space: nowrap;
}
.hdr-call:hover { background: var(--accent); color: var(--ink); }
.hdr-call .lbl { display: none; }
@media (min-width: 520px) { .hdr-call .lbl { display: inline; } }

.burger { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 0 10px; background: none; border: 1px solid var(--line); cursor: pointer; }
.burger i { display: block; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1000px) { .burger { display: none; } }

.mnav { display: none; background: var(--ink); border-top: 1px solid rgba(255,255,255,.12); }
.mnav.open { display: block; }
.mnav ul { list-style: none; padding: var(--s2) var(--s3) var(--s3); margin: 0; }
.mnav li + li { border-top: 1px solid rgba(255,255,255,.1); }
.mnav a { display: block; padding: .85rem 0; color: #fff; text-decoration: none; font-weight: 600; }
.mnav a:hover { color: var(--accent); }
@media (min-width: 1000px) { .mnav { display: none !important; } }

/* ---------- Hero (CSS/SVG, aucune image à charger) ---------- */
.hero { position: relative; background: var(--ink); color: #fff; overflow: hidden; padding-block: var(--s5) var(--s6); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 480px at 78% -8%, rgba(242,160,7,.20), transparent 62%),
    linear-gradient(180deg, #191E24 0%, #14181C 62%, #101418 100%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 46%;
  opacity: .5; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1440' height='260' viewBox='0 0 1440 260' preserveAspectRatio='none'%3E%3Cg fill='none' stroke='%23F2A007' stroke-opacity='.16' stroke-width='1.5'%3E%3Cpath d='M0 46c180 26 320-18 500 4s300 46 480 26 300-40 460-16'/%3E%3Cpath d='M0 96c190 22 330-14 510 8s290 42 470 24 290-36 460-14'/%3E%3Cpath d='M0 150c200 18 330-10 520 12s280 36 450 20 300-30 470-10'/%3E%3Cpath d='M0 206c210 14 340-6 530 14s270 30 440 16 300-24 470-6'/%3E%3C/g%3E%3Cg fill='%23F2A007' fill-opacity='.10'%3E%3Ccircle cx='190' cy='72' r='2.5'/%3E%3Ccircle cx='640' cy='124' r='2.5'/%3E%3Ccircle cx='1080' cy='92' r='2.5'/%3E%3Ccircle cx='1330' cy='176' r='2.5'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 100% 100%;
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 { color: #fff; margin-bottom: var(--s3); }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { font-size: 1.14rem; color: #D6DAE0; max-width: 54ch; margin-bottom: var(--s4); }
.hero-grid { display: grid; gap: var(--s5); }
@media (min-width: 940px) { .hero-grid { grid-template-columns: 1.08fr .92fr; align-items: start; gap: var(--s6); } }

.hero-pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: var(--s3); }
.hero-pills span {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.07); border: 1px solid rgba(242,160,7,.35);
  color: #F0E6D6; font-size: .8rem; font-weight: 600; padding: .4rem .75rem;
}
.hero-pills span::before { content: ""; width: 6px; height: 6px; background: var(--accent); flex-shrink: 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Formulaire ---------- */
.form-card { background: #fff; border: 3px solid var(--accent); padding: var(--s3); color: var(--body); }
.form-card h2, .form-card h3 { font-size: 1.3rem; margin-bottom: .35rem; color: var(--ink); }
.form-card .note { font-size: .84rem; color: var(--muted); margin-bottom: var(--s3); }
.fld { margin-bottom: .85rem; }
.fld label { display: block; font-size: .82rem; font-weight: 700; color: var(--ink); margin-bottom: .3rem; }
.fld input, .fld select, .fld textarea {
  width: 100%; padding: .7rem .8rem; background: #fff;
  border: 2px solid var(--line-strong); font-size: 1rem;
}
.fld input:focus, .fld select:focus, .fld textarea:focus { border-color: var(--ink); outline: 2px solid var(--accent); outline-offset: 1px; }
.fld textarea { min-height: 92px; resize: vertical; }
.fld select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2314181C' d='M6 8 0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .8rem center; padding-right: 2.2rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { font-size: .78rem; color: var(--muted); text-align: center; margin-top: .7rem; }
.form-msg { padding: var(--s3); border: 3px solid var(--ok); background: #F2FAF4; }
.form-msg h3 { color: var(--ok); margin-bottom: .5rem; }
.form-err { background: #FDF2F2; border-left: 4px solid var(--err); color: var(--err); font-weight: 600; padding: .7rem .9rem; margin-bottom: .85rem; font-size: .9rem; }

/* ---------- Barre de confiance ---------- */
.trust { background: var(--bg-warm); border-block: 1px solid var(--line); padding-block: var(--s3); }
.trust ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s3) var(--s2); text-align: center; }
@media (min-width: 900px) { .trust ul { grid-template-columns: repeat(5, 1fr); } }
.trust b { display: block; font-family: var(--font-h); font-weight: 900; font-size: 1.15rem; color: var(--ink); line-height: 1.15; }
.trust span { display: block; font-size: .8rem; color: var(--body); margin-top: .25rem; }

/* ---------- Grilles / cartes ---------- */
.grid { display: grid; gap: var(--s3); }
.g2 { grid-template-columns: 1fr; }
.g3 { grid-template-columns: 1fr; }
.g4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 700px) { .g2 { grid-template-columns: repeat(2, 1fr); } .g3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  padding: var(--s3); text-decoration: none; color: inherit;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
a.card:hover { border-color: var(--line-strong); border-top-color: var(--accent); box-shadow: 0 10px 26px -14px rgba(20,24,28,.4); transform: translateY(-2px); }
.card h3 { margin-bottom: .45rem; }
.card p { font-size: .93rem; }
.card .go { margin-top: auto; padding-top: var(--s2); font-family: var(--font-h); font-weight: 800; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); }
.card .go::after { content: " \2192"; }

.card-img { border-top: 0; padding: 0; overflow: hidden; }
.card-img img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-img .in { padding: var(--s3); display: flex; flex-direction: column; flex: 1; }

/* ---------- Bloc étapes ---------- */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: st; display: grid; gap: var(--s3); }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(2, 1fr); } }
.steps li { counter-increment: st; position: relative; padding-left: 3.4rem; }
.steps li::before {
  content: counter(st); position: absolute; left: 0; top: 0;
  width: 2.5rem; height: 2.5rem; display: grid; place-items: center;
  background: var(--accent); color: var(--ink);
  font-family: var(--font-h); font-weight: 900; font-size: 1.05rem;
}
.steps h3 { font-size: 1.05rem; margin-bottom: .3rem; }
.steps p { font-size: .93rem; }

/* ---------- Listes à coche ---------- */
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s3); }
@media (min-width: 800px) { .checks { grid-template-columns: repeat(2, 1fr); } }
.checks li { position: relative; padding-left: 2.1rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .35rem; width: 1.15rem; height: .65rem;
  border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent);
  transform: rotate(-45deg);
}
.checks h3 { font-size: 1.02rem; margin-bottom: .25rem; }
.checks p { font-size: .93rem; }

/* ---------- Section sombre ---------- */
.dark { background: var(--ink); color: #D6DAE0; }
.dark h2, .dark h3 { color: #fff; }
.dark .card { background: var(--ink-soft); border-color: rgba(255,255,255,.14); color: #D6DAE0; }
.dark .card h3 { color: #fff; }
.alt { background: var(--bg-alt); }

/* ---------- Prose ---------- */
.prose > * + * { margin-top: var(--s3); }
.prose h2 { margin-top: var(--s5); }
.prose h3 { margin-top: var(--s4); }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: .5rem; }
.prose img { margin-block: var(--s4); }

/* ---------- FAQ ---------- */
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: flex-start; gap: var(--s2);
  font-family: var(--font-h); font-weight: 800; font-size: 1.02rem; color: var(--ink);
  padding: 1.1rem 0; cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; margin-left: auto; flex-shrink: 0;
  font-size: 1.5rem; line-height: 1; color: var(--accent-text); font-weight: 700;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details > p { padding-bottom: 1.1rem; font-size: .96rem; }

/* ---------- Bandeau CTA ---------- */
.cta-band { background: var(--accent); color: var(--ink); text-align: center; }
.cta-band h2 { color: var(--ink); margin-bottom: var(--s2); }
.cta-band p { font-size: 1.08rem; max-width: 56ch; margin-inline: auto; margin-bottom: var(--s4); }
.cta-band .btn-dark:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- Fil d'Ariane ---------- */
.crumbs { background: var(--bg-alt); border-bottom: 1px solid var(--line); padding-block: .8rem; font-size: .84rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; }
.crumbs li + li::before { content: "\203A"; margin-right: .4rem; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs [aria-current] { color: var(--ink); font-weight: 600; }

/* ---------- Page interne ---------- */
.phead { background: var(--ink); color: #D6DAE0; padding-block: var(--s5); position: relative; overflow: hidden; }
.phead::before { content: ""; position: absolute; inset: 0; background: radial-gradient(900px 380px at 88% -20%, rgba(242,160,7,.18), transparent 60%); }
.phead .wrap { position: relative; z-index: 2; }
.phead h1 { color: #fff; margin-bottom: var(--s2); }
.phead p { max-width: 62ch; font-size: 1.06rem; }

/* ---------- Zone de service ---------- */
.zone-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: .55rem; }
@media (min-width: 760px) { .zone-list { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1050px) { .zone-list { grid-template-columns: repeat(4, 1fr); } }
.zone-list a {
  display: block; padding: .7rem .85rem; background: #fff;
  border: 1px solid var(--line); border-left: 3px solid var(--accent);
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: .9rem;
}
.zone-list a:hover { background: var(--bg-warm); border-left-color: var(--ink); }
.dark .zone-list a { background: var(--ink-soft); border-color: rgba(255,255,255,.14); border-left-color: var(--accent); color: #fff; }
.dark .zone-list a:hover { background: #232A31; }

.tag { display: inline-block; background: var(--bg-warm); border: 1px solid var(--line); color: var(--body); font-size: .76rem; font-weight: 700; padding: .25rem .6rem; margin-bottom: var(--s2); }

/* ---------- Pied de page ---------- */
.ftr { background: var(--ink); color: #A8B0B8; padding-block: var(--s6) var(--s3); font-size: .92rem; }
.ftr h4 { color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: var(--s2); }
.ftr a { color: #C7CDD4; text-decoration: none; }
.ftr a:hover { color: var(--accent); text-decoration: underline; }
.ftr-grid { display: grid; gap: var(--s4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .ftr-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .ftr-grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; } }
.ftr ul { list-style: none; margin: 0; padding: 0; }
.ftr li + li { margin-top: .45rem; }
.ftr .brand b { color: #fff; }
.ftr .brand span { color: var(--accent); }
.ftr-note { font-size: .84rem; line-height: 1.6; margin-top: var(--s2); }
.ftr-btm {
  margin-top: var(--s5); padding-top: var(--s3);
  border-top: 1px solid rgba(255,255,255,.14);
  display: flex; flex-wrap: wrap; gap: var(--s2) var(--s3);
  justify-content: space-between; font-size: .82rem; color: #8B939B;
}
.ftr-btm a { color: #8B939B; }

/* ---------- CTA collant mobile ---------- */
.mcta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: grid; grid-template-columns: 1fr 1fr;
  transform: translateY(101%); transition: transform .25s ease;
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -6px 20px -8px rgba(0,0,0,.45);
}
.mcta.show { transform: translateY(0); }
.mcta a {
  padding: .95rem .5rem; text-align: center; text-decoration: none;
  font-family: var(--font-h); font-weight: 800; font-size: .88rem; text-transform: uppercase;
}
.mcta .c { background: var(--ink); color: #fff; }
.mcta .q { background: var(--accent); color: var(--ink); }
@media (min-width: 860px) { .mcta { display: none; } }
@media (max-width: 859px) { body { padding-bottom: 0; } }

.vh { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.tc { text-align: center; }
.mb3 { margin-bottom: var(--s3); }
.mb4 { margin-bottom: var(--s4); }
.skip { position: absolute; left: -9999px; z-index: 200; padding: .8rem 1.2rem; background: var(--accent); color: var(--ink); font-weight: 800; }
.skip:focus { left: var(--s3); top: .5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}