/* ============================================================
   Expertise221 — design system
   Palette encre / papier + accent vert fiduciaire. Police display
   serif + police texte système (0 requête externe, budget de page
   maillage_technique.json). 1 seul fichier CSS.
   ============================================================ */
:root {
  --encre: #10202e;
  --encre-2: #17324a;
  --encre-3: #22455f;
  --papier: #f6f2ea;
  --papier-2: #fffdf8;
  --accent: #0d7a5f;
  --accent-d: #0a5f4a;
  --accent-t: #e4f2ec;
  --cuivre: #b4632a;
  --txt: #1c2a36;
  --muted: #5d6b77;
  --card: #ffffff;
  --ligne: #e5ddcf;
  --ligne-2: #efe9dd;
  --ok: #157a4f;
  --danger: #a5372a;
  --radius: 16px;
  --radius-s: 10px;
  --shadow: 0 1px 2px rgba(16, 32, 46, .05), 0 14px 30px -20px rgba(16, 32, 46, .28);
  --shadow-lg: 0 2px 6px rgba(16, 32, 46, .08), 0 34px 60px -32px rgba(16, 32, 46, .38);
  --wrap: 1140px;
  --font-display: Georgia, "Times New Roman", "Noto Serif", serif;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--papier); color: var(--txt);
  font: 400 17px/1.65 var(--font);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-d); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--encre); }
h1, h2, h3, h4 {
  font-family: var(--font-display); color: var(--encre);
  line-height: 1.16; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.015em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.15rem); }
h2 { font-size: clamp(1.45rem, 2.9vw, 2.05rem); }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--accent-t); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.icon { flex: none; }
.updated { color: var(--muted); font-size: .85rem; margin: 0 0 1.2rem; display: flex; gap: .45rem; align-items: center; }
.updated .icon { width: 16px; height: 16px; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--encre); color: #fff; padding: .7rem 1rem; z-index: 99; border-radius: 0 0 10px 0; }
.skip:focus { left: 0; }

/* ---------------- topbar ---------------- */
.topbar { background: var(--encre); color: #fff; position: sticky; top: 0; z-index: 40; }
.topbar__in { display: flex; align-items: center; gap: 1.2rem; min-height: 62px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: #fff; text-decoration: none; }
.brand__i { width: 30px; height: 30px; padding: 5px; background: var(--accent); border-radius: 8px; color: #fff; }
.brand__txt { font-family: var(--font-display); font-size: 1.12rem; letter-spacing: .2px; }
.brand__txt b { font-weight: 700; color: #9fd8c4; }
.topbar__cta { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.topbar__tel { display: inline-flex; align-items: center; gap: .4rem; color: #e8e2d5; text-decoration: none; font-weight: 600; font-size: .95rem; }
.topbar__tel:hover { color: #fff; }
.nav ul { display: flex; gap: 1.1rem; list-style: none; margin: 0; padding: 0; }
.nav a { color: #d9d3c6; text-decoration: none; font-size: .95rem; font-weight: 600; padding: .35rem 0; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; border-bottom: 2px solid var(--accent); }
.nav__toggle { display: none; background: none; border: 0; color: #fff; padding: .4rem; cursor: pointer; }
.nav__toggle .nav__close { display: none; }

/* ---------------- boutons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; padding: .78rem 1.25rem;
  border-radius: 999px; font-weight: 700; text-decoration: none; font-size: .97rem;
  border: 2px solid transparent; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--accent-d); color: #fff; }
.btn--ghost { border-color: var(--encre); color: var(--encre); background: transparent; }
.btn--ghost:hover { background: var(--encre); color: #fff; }
.btn--light { background: #fff; color: var(--encre); }
.btn--sm { padding: .5rem .95rem; font-size: .9rem; }
.btn--full { width: 100%; justify-content: center; }
.i-btn { width: 19px; height: 19px; }

/* ---------------- hero / central piece ---------------- */
.hero {
  background: linear-gradient(160deg, var(--encre) 0%, var(--encre-2) 58%, #1d4560 100%);
  color: #fff; padding: 3.4rem 0 3.8rem; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto -10% -60% auto; width: 60%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(13, 122, 95, .35), transparent 65%);
}
.hero h1, .hero h2, .hero h3 { color: #fff; }
.hero a:not(.btn) { color: #9fd8c4; }
.hero a:not(.btn):hover { color: #fff; }
.hero .btn--ghost { border-color: rgba(255,255,255,.75); color: #fff; }
.hero .btn--ghost:hover { background: #fff; color: var(--encre); }
.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 2.6rem; align-items: start; position: relative; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--accent); margin: 0 0 .6rem; }
.eyebrow--light { color: #9fd8c4; }
.hero__lead { font-size: 1.12rem; color: #dfe6e3; max-width: 58ch; }
.hero__chips { list-style: none; padding: 0; margin: 0 0 1.2rem; display: flex; flex-wrap: wrap; gap: .5rem .9rem; }
.hero__chips li { display: inline-flex; align-items: center; gap: .35rem; font-size: .9rem; color: #e8e2d5; }
.hero__chips .icon { width: 16px; height: 16px; color: #9fd8c4; }
.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem 1.2rem; margin: 0 0 1.3rem; padding: .9rem 0; border-block: 1px solid rgba(255,255,255,.16); }
.hero__stats div { display: flex; flex-direction: column-reverse; gap: .1rem; }
.hero__stats dt { font-size: .8rem; color: #b9c4c0; }
.hero__stats dd { margin: 0; font-family: var(--font-display); font-size: clamp(1.02rem, 1.5vw, 1.3rem); font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.hero__btns { display: flex; flex-wrap: wrap; gap: .7rem; }
.hero__aside { position: relative; }
.hero__media { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.18); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }
.hero__media figcaption { display: none; }

/* ---------------- formulaire devis ---------------- */
.quote { background: var(--card); color: var(--txt); border-radius: var(--radius); padding: 1.3rem; box-shadow: var(--shadow-lg); }
.quote--compact { padding: 1.05rem; }
.quote__head { display: flex; align-items: baseline; justify-content: space-between; gap: .6rem; margin-bottom: .8rem; }
.quote__head strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--encre); }
.quote__head span { font-size: .82rem; color: var(--muted); }
.quote .f { display: block; margin-bottom: .7rem; }
.quote .f span { display: block; font-size: .84rem; font-weight: 600; margin-bottom: .25rem; color: var(--encre); }
.quote input, .quote select, .quote textarea {
  width: 100%; padding: .62rem .7rem; border: 1px solid var(--ligne); border-radius: var(--radius-s);
  font: inherit; font-size: .95rem; background: var(--papier-2); color: var(--txt);
}
.quote textarea { resize: vertical; }
.quote .f-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.quote__alt { font-size: .85rem; color: var(--muted); margin: .7rem 0 0; }

/* ---------------- sections ---------------- */
.s { padding: 2.6rem 0; }
.s__head { max-width: 72ch; margin-bottom: 1.4rem; }
.s__head .lead { color: var(--muted); font-size: 1.03rem; margin: 0; }
.prose p { max-width: 74ch; }
.prose h2 + p { margin-top: -.2em; }
.note { font-size: .85rem; color: var(--muted); margin-top: .6rem; }
.grid { display: grid; gap: 1rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--card); border: 1px solid var(--ligne-2); border-radius: var(--radius); padding: 1.15rem 1.15rem .9rem; box-shadow: var(--shadow); }
.card .icon { width: 26px; height: 26px; color: var(--accent); margin-bottom: .5rem; }
.card h3 { margin-bottom: .3rem; }
.card p { font-size: .95rem; color: var(--muted); margin: 0; }
.card a { display: block; margin-top: .55rem; font-weight: 600; font-size: .93rem; }

/* ---------------- stats / marquee ---------------- */
.s--stats { padding: 1.6rem 0; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; background: var(--card); border: 1px solid var(--ligne-2); border-radius: var(--radius); padding: 1.2rem; }
.stat { text-align: center; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(1.3rem, 2.4vw, 1.75rem); color: var(--accent-d); }
.stat span { font-size: .86rem; color: var(--muted); }
.mq { background: var(--encre); color: #dfe6e3; overflow: hidden; padding: .55rem 0; border-block: 1px solid rgba(255,255,255,.08); }
.mq__track { display: inline-flex; gap: 2.4rem; white-space: nowrap; animation: mq 42s linear infinite; padding-left: 1rem; }
.mq__i { display: inline-flex; align-items: center; gap: .45rem; font-size: .87rem; }
.mq__i .icon { width: 15px; height: 15px; color: #9fd8c4; }
@keyframes mq { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .mq__track { animation: none; } .reveal { opacity: 1 !important; transform: none !important; } }

/* ---------------- étapes / listes ---------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.steps li { display: grid; grid-template-columns: 42px 1fr; gap: .9rem; align-items: start; }
.step__n { width: 34px; height: 34px; border-radius: 50%; background: var(--accent-t); color: var(--accent-d); font-weight: 800; display: grid; place-items: center; font-size: .95rem; }
.steps h3 { margin-bottom: .2rem; }
.steps p { margin: 0; color: var(--muted); font-size: .96rem; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; max-width: 74ch; }
.checks li { display: flex; gap: .6rem; align-items: flex-start; }
.checks .icon { width: 20px; height: 20px; color: var(--ok); margin-top: 2px; }

/* ---------------- tableaux ---------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--ligne-2); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: .94rem; min-width: 520px; }
thead th { background: var(--encre); color: #fff; text-align: left; padding: .7rem .9rem; font-size: .86rem; letter-spacing: .02em; }
tbody td { padding: .68rem .9rem; border-top: 1px solid var(--ligne-2); vertical-align: top; }
tbody tr:nth-child(even) { background: var(--papier-2); }
tbody td:first-child { font-weight: 600; color: var(--encre); }

/* ---------------- FAQ / avis / liens ---------------- */
.s--faq { background: var(--papier-2); border-block: 1px solid var(--ligne-2); }
.faq { display: grid; gap: .55rem; max-width: 78ch; }
.faq__i { background: var(--card); border: 1px solid var(--ligne-2); border-radius: var(--radius-s); }
.faq__i summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: .8rem 1rem; font-weight: 600; color: var(--encre); }
.faq__i summary::-webkit-details-marker { display: none; }
.faq__i summary h3 { margin: 0; font-size: 1rem; font-family: var(--font); font-weight: 700; }
.faq__i summary .icon { width: 18px; height: 18px; transition: transform .2s ease; }
.faq__i[open] summary .icon { transform: rotate(90deg); }
.faq__a { padding: 0 1rem .9rem; color: var(--txt); }
.faq__a p { margin: 0; }
.expert { background: var(--accent-t); border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; padding: 1.15rem 1.3rem; max-width: 78ch; }
.expert--no { background: #f7e9e4; border-left-color: var(--danger); }
.expert h2 { font-size: 1.12rem; display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.expert h2 .icon { width: 20px; height: 20px; color: var(--accent-d); }
.expert--no h2 .icon { color: var(--danger); }
.expert__body { font-size: .99rem; }
.expert__body p:last-child { margin-bottom: 0; }
.expert__sig { font-size: .87rem; color: var(--muted); font-style: italic; margin: .6rem 0 0; }
.s--rel { background: var(--encre); }
.s--rel h2 { color: #fff; }
.rel-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.rel { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; align-items: center; background: var(--encre-2); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-s); padding: .85rem 1rem; text-decoration: none; color: #fff; }
.rel:hover { background: var(--encre-3); color: #fff; }
.rel span { font-weight: 700; }
.rel em { grid-column: 1; font-style: normal; font-size: .85rem; color: #b9c4c0; }
.rel .icon { grid-row: 1 / span 2; grid-column: 2; color: #9fd8c4; }

/* ---------------- figure / CTA / footer ---------------- */
.s-figure { margin: 0 0 .5rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.s-figure img { width: 100%; }
.s-figure figcaption { font-size: .85rem; color: var(--muted); padding: .55rem .2rem 0; }
.s--cta { padding: 1.6rem 0 2.8rem; }
.cta { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1.4rem; align-items: center; background: var(--card); border: 1px solid var(--ligne-2); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 1.3rem 1.4rem; box-shadow: var(--shadow); }
.cta h2 { font-size: 1.3rem; margin-bottom: .3rem; }
.cta p { margin: 0; color: var(--muted); font-size: .97rem; }
.cta__btns { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: flex-end; }
.foot { background: var(--encre); color: #cfd8d5; padding: 2.6rem 0 1rem; margin-top: 2rem; }
.foot h2 { color: #fff; font-size: 1rem; margin-bottom: .7rem; }
.foot__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 1.8rem; }
.foot__brand p { font-size: .92rem; }
.foot__brand a { color: #fff; }
.foot__tel { display: flex; flex-wrap: wrap; gap: 1rem; }
.foot__tel a { display: inline-flex; gap: .4rem; align-items: center; color: #e8e2d5; text-decoration: none; font-weight: 600; }
.foot ul { list-style: none; margin: 0; padding: 0; font-size: .92rem; display: grid; gap: .4rem; }
.foot a { color: #cfd8d5; text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.foot__info p { display: flex; gap: .45rem; align-items: flex-start; font-size: .92rem; margin-bottom: .45rem; }
.foot__info .icon { width: 17px; height: 17px; margin-top: 2px; color: #9fd8c4; }
.foot__hours { font-size: .85rem; color: #b9c4c0; margin-top: .3rem; }
.foot__hours span { display: inline-block; width: 2.6em; font-weight: 700; }
.foot__meta { border-top: 1px solid rgba(255,255,255,.12); margin-top: 1.8rem; padding-top: 1.1rem; font-size: .82rem; color: #9aa7a4; }
.foot__legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; border-top: 1px solid rgba(255,255,255,.12); margin-top: 1.1rem; padding: 1rem 22px 1.4rem; font-size: .85rem; }
.bar { position: fixed; bottom: 0; left: 0; right: 0; background: var(--encre); display: flex; gap: 1px; z-index: 30; box-shadow: 0 -6px 20px rgba(16,32,46,.25); }
.bar__a { flex: 1; text-align: center; padding: .7rem .3rem; color: #fff; text-decoration: none; font-weight: 700; font-size: .9rem; display: inline-flex; align-items: center; justify-content: center; gap: .35rem; }
.bar__a .icon { width: 18px; height: 18px; }
.bar__a--wa { background: var(--accent); }
.bar__a--dev { background: var(--accent-d); }

/* ---------------- reveal au scroll ---------------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal--in { opacity: 1; transform: none; }

/* ---------------- responsive ---------------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero__aside { order: 2; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .cta { grid-template-columns: 1fr; }
  .cta__btns { justify-content: flex-start; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav { position: fixed; inset: 62px 0 auto 0; background: var(--encre-2); padding: 1rem 22px 1.4rem; transform: translateY(-130%); transition: transform .25s ease; z-index: 39; }
  .nav.nav--open { transform: none; }
  .nav ul { flex-direction: column; gap: .2rem; }
  .nav a { display: block; padding: .7rem 0; font-size: 1.02rem; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav__toggle { display: inline-grid; place-items: center; }
  .nav__toggle[aria-expanded="true"] .nav__close { display: block; }
  .nav__toggle[aria-expanded="true"] > svg:first-child { display: none; }
  .topbar__tel span { display: none; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .quote .f-row { grid-template-columns: 1fr; }
  .s { padding: 2rem 0; }
  .foot__grid { grid-template-columns: 1fr; gap: 1.4rem; }
  body { padding-bottom: 52px; }
  .updated { font-size: .8rem; }
}
@media print {
  .topbar, .bar, .s--cta, .foot__meta, .mq { display: none; }
  body { background: #fff; }
}