/* ===================================================================
   SAV-PAC.COM — Design System v2 (aesthetic agence chauffage-clim)
   Accent orange #ff8c00 · header sombre · hero carte devis flottante
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --ink:        #141414;
  --ink-2:      #1d1d1d;
  --ink-soft:   #4f4f4f;
  --paper:      #ffffff;
  --paper-2:    #f5f6f7;
  --paper-3:    #eef0f2;
  --line:       #e2e5e8;

  --orange:     #ff8c00;
  --orange-dk:  #e07400;
  --orange-soft:#fff4e3;

  --shadow:     0 4px 10px rgba(13,13,13,.10), 0 20px 50px -20px rgba(13,13,13,.25);
  --shadow-sm:  0 2px 8px rgba(13,13,13,.08);
  --shadow-card:0 4px 10px 0 rgba(13,13,13,.18);

  --display: 'Sora', system-ui, sans-serif;
  --body:    'Inter', system-ui, sans-serif;

  --maxw: 1200px;
  --r-card: 16px;
  --r-btn: 50em;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body); color: var(--ink); background: var(--paper);
  line-height: 1.65; font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--orange-dk); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Typo ---------- */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; line-height: 1.12; letter-spacing: -.015em; color: var(--ink); }
h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin: 2.8rem 0 1rem; }
h3 { font-size: clamp(1.25rem, 2.3vw, 1.6rem); margin: 1.8rem 0 .6rem; }
p  { margin: 0 0 1.05rem; max-width: 70ch; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 56ch; }
strong { font-weight: 700; }

/* ---------- Header sombre ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--ink); color: #fff;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 1rem; }
.brand { font-family: var(--display); font-weight: 800; font-size: 1.4rem; color: #fff; display: flex; align-items: center; gap: .55rem; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand .logo-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--orange);
  display: grid; place-items: center; color: var(--ink); font-size: 1.1rem; font-weight: 800;
}
.nav-services { display: flex; gap: .4rem; align-items: center; }
.nav-services a {
  display: inline-flex; align-items: center; gap: .5rem; color: #fff;
  font-family: var(--display); font-weight: 500; font-size: .92rem;
  padding: .5rem .9rem; border-radius: var(--r-btn); transition: background .15s;
}
.nav-services a:hover { background: rgba(255,255,255,.1); text-decoration: none; }
.nav-services a svg { width: 22px; height: 22px; stroke: var(--orange); fill: none; flex-shrink: 0; }
.nav-right { display: flex; align-items: center; gap: 1rem; white-space: nowrap; }
.nav-cta {
  background: var(--orange); color: var(--ink) !important; padding: .65rem 1.3rem;
  border-radius: var(--r-btn); font-weight: 700; font-family: var(--display);
  transition: background .2s, color .2s;
}
.nav-cta:hover { background: #fff; text-decoration: none; }
.burger { display: none; background: none; border: 0; color: #fff; font-size: 1.7rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(125deg, #1a1a1a 0%, #232323 55%, #2c2620 100%);
}
/* PLACEHOLDER IMAGE HERO — remplacer l'url par /assets/img/hero-clim.jpg */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(15,15,15,.78), rgba(15,15,15,.82)),
    url('/assets/img/hero-clim.jpg');
  background-size: cover; background-position: center; background-attachment: fixed;
  opacity: 1;
}
/* fallback texture si l'image n'existe pas encore */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 18% 20%, rgba(255,140,0,.14), transparent 38%),
    radial-gradient(circle at 85% 80%, rgba(255,140,0,.08), transparent 40%);
}
.hero-inner { position: relative; z-index: 2; padding: clamp(3rem,7vw,5.5rem) 0 clamp(3rem,6vw,5rem); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
@media (max-width: 940px){ .hero-grid { grid-template-columns: 1fr; gap: 2rem; } }
.hero h1 { color: #fff; max-width: 15ch; }
.hero h1 em { font-style: normal; color: var(--orange); }
.hero .hero-sub { font-size: 1.15rem; color: rgba(255,255,255,.85); margin: 1.2rem 0 1.8rem; max-width: 52ch; }
.hero .hero-sub strong { color: #fff; }
.hero-checks { display: flex; gap: 1.8rem; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-check { display: flex; flex-direction: column; align-items: center; gap: .5rem; text-align: center; }
.hero-check .chk { width: 38px; height: 38px; border-radius: 9px; background: var(--orange); color: var(--ink); display: grid; place-items: center; font-size: 1.2rem; font-weight: 800; }
.hero-check span { font-size: .95rem; font-weight: 600; color: #fff; line-height: 1.25; }

/* ---------- Carte devis flottante ---------- */
.devis-card {
  background: #fff; color: var(--ink); border-radius: var(--r-card);
  padding: 2rem 1.8rem; box-shadow: var(--shadow-card);
}
.devis-card .dc-title {
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; text-transform: uppercase;
  letter-spacing: .04em; text-align: center; color: var(--ink); margin-bottom: 1.2rem;
}
.devis-card .dc-sub { font-size: .92rem; color: var(--ink-soft); text-align: center; margin-bottom: 1.2rem; }
.devis-card .badge-row { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: center; margin-top: 1.1rem; }
.devis-card .badge { font-size: .76rem; font-weight: 600; color: var(--ink-soft); background: var(--paper-2); padding: .35rem .75rem; border-radius: var(--r-btn); }
.devis-card .dc-foot { font-size: .78rem; color: var(--ink-soft); text-align: center; margin-top: 1rem; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  padding: .9rem 1.7rem; border-radius: var(--r-btn); border: 0; transition: transform .15s, background .2s, color .2s;
}
.btn-primary { background: var(--orange); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--ink); color: #fff; text-decoration: none; transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.btn-ghost:hover { border-color: #fff; text-decoration: none; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--orange); color: var(--ink); text-decoration: none; }

/* ---------- Sections génériques ---------- */
.section { padding: clamp(3rem,6vw,5rem) 0; }
.section-tint { background: var(--paper-2); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255,255,255,.8); }
.center { text-align: center; }
.center p { margin-left: auto; margin-right: auto; }

/* ---------- Blocs problèmes / bénéfices (cartes icône) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.6rem; margin: 1.8rem 0; }
@media (max-width: 800px){ .grid-3 { grid-template-columns: 1fr; } }
.icard {
  background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 2rem 1.7rem;
  text-align: center; transition: transform .18s, box-shadow .18s;
}
.icard:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.icard .ic { font-size: 2.2rem; color: var(--orange); margin-bottom: .8rem; line-height: 1; }
.icard h3 { margin: 0 0 .5rem; font-size: 1.2rem; }
.icard p { font-size: .95rem; color: var(--ink-soft); margin: 0; max-width: none; }
.icard.link-card { display: block; color: inherit; }
.icard.link-card:hover { text-decoration: none; }

/* ---------- Étapes numérotées ---------- */
.steps { display: flex; flex-direction: column; gap: 1.6rem; margin: 1.5rem 0; }
.step { display: flex; gap: 1.3rem; align-items: flex-start; }
.step .num { font-family: var(--display); font-weight: 800; font-size: 2.2rem; color: var(--orange); line-height: 1; flex-shrink: 0; width: 2.2ch; }
.step .step-body h3 { margin: 0 0 .3rem; font-size: 1.2rem; }
.step .step-body p { margin: 0; color: var(--ink-soft); }

/* ---------- Bande CTA ---------- */
.cta-strip {
  background: linear-gradient(130deg, var(--orange), var(--orange-dk) 85%);
  color: var(--ink); border-radius: 24px; padding: 2.2rem 2.2rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  margin: 2.5rem 0;
}
.cta-strip h3 { color: var(--ink); margin: 0; }
.cta-strip p { color: rgba(20,20,20,.75); margin: .3rem 0 0; }

/* ---------- Key takeaways (GEO) ---------- */
.takeaway {
  background: var(--orange-soft); border: 1px solid #ffe0b2; border-left: 4px solid var(--orange);
  border-radius: var(--r-card); padding: 1.5rem 1.6rem; margin: 1.8rem 0;
}
.takeaway .tk-label {
  font-family: var(--display); font-weight: 800; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--orange-dk); display: flex; align-items: center; gap: .45rem; margin-bottom: .8rem;
}
.takeaway ul { margin: 0; padding-left: 1.2rem; }
.takeaway li { margin-bottom: .45rem; }
.takeaway p:last-child, .takeaway li:last-child { margin-bottom: 0; }
.section-dark .takeaway { background: rgba(255,140,0,.12); border-color: rgba(255,140,0,.3); }
.section-dark .takeaway li { color: rgba(255,255,255,.9); }

/* ---------- Tableaux ---------- */
.table-wrap { overflow-x: auto; margin: 1.6rem 0; border: 1px solid var(--line); border-radius: var(--r-card); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; background: #fff; }
th, td { text-align: left; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line); }
th { background: var(--paper-2); font-family: var(--display); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
td .code { font-family: ui-monospace, monospace; font-weight: 700; color: var(--orange-dk); }

/* ---------- FAQ ---------- */
.faq { margin: 1.5rem 0; }
.faq details { border: 1px solid var(--line); border-radius: var(--r-card); background: #fff; margin-bottom: .7rem; overflow: hidden; transition: box-shadow .2s; }
.faq details[open] { box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; padding: 1.1rem 1.3rem; font-family: var(--display); font-weight: 600; font-size: 1.08rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-weight: 400; font-size: 1.7rem; color: var(--orange); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-body { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); }
.faq .faq-body p:last-child { margin-bottom: 0; }

/* ---------- Maillage villes ---------- */
.villes-cloud { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.3rem 0; }
.villes-cloud a { font-size: .9rem; background: #fff; border: 1px solid var(--line); padding: .45rem .9rem; border-radius: var(--r-btn); color: var(--ink-soft); font-weight: 500; }
.villes-cloud a:hover { border-color: var(--orange); color: var(--orange-dk); text-decoration: none; }

/* ---------- Breadcrumb ---------- */
.crumb { font-size: .85rem; color: var(--ink-soft); padding: 1.2rem 0 .2rem; }
.crumb a { color: var(--ink-soft); }
.crumb span { color: var(--ink); font-weight: 600; }

/* ---------- Avis ---------- */
.reviews { display: grid; grid-template-columns: .8fr 2fr; gap: 2rem; align-items: center; margin: 1.5rem 0; }
@media (max-width: 800px){ .reviews { grid-template-columns: 1fr; } }
.review-score { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 1.8rem; text-align: center; }
.review-score .big { font-family: var(--display); font-weight: 800; font-size: 2.6rem; color: var(--ink); }
.review-score .stars { color: #ffbf00; font-size: 1.2rem; letter-spacing: 2px; }
.review-score small { color: var(--ink-soft); }
.review-quote { background: var(--ink); color: #fff; border-radius: 20px; padding: 2rem; }
.review-quote p { color: rgba(255,255,255,.9); font-style: italic; }
.review-quote .author { font-weight: 700; font-style: normal; color: var(--orange); margin-top: .8rem; }

/* ---------- Article ---------- */
.article-body { max-width: 780px; margin: 0 auto; }
.article-body ul, .article-body ol { margin: 0 0 1.2rem 1.3rem; }
.article-body li { margin-bottom: .5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,.75); margin-top: 0; padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; }
@media (max-width: 800px){ .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; } }
.site-footer h4 { font-family: var(--display); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: #fff; margin-bottom: 1rem; }
.site-footer a { color: rgba(255,255,255,.7); display: block; margin-bottom: .5rem; font-size: .93rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2.2rem; padding-top: 1.4rem; font-size: .82rem; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; background: var(--ink); padding: .6rem; gap: .6rem; }
.sticky-cta a { flex: 1; text-align: center; justify-content: center; }

/* ---------- Responsive nav ---------- */
@media (max-width: 1100px){
  .nav-services { display: none; }
  .burger { display: block; }
  .nav-services.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; inset: 74px 0 auto 0; background: var(--ink); padding: 1rem 24px 1.5rem; gap: .2rem;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .nav-services.open a { padding: .8rem 0; }
}
@media (max-width: 600px){
  .sticky-cta { display: flex; }
  body { padding-bottom: 64px; }
}

/* Bannière cookies */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;z-index:120;background:var(--ink);color:#fff;padding:1.1rem 1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;box-shadow:0 -4px 20px rgba(0,0,0,.25)}
.cookie-banner p{margin:0;font-size:.9rem;color:rgba(255,255,255,.85);max-width:70ch}
.cookie-banner a{color:var(--orange)}
.cookie-actions{display:flex;gap:.6rem;flex-shrink:0}
.cookie-btn{padding:.55rem 1.2rem;font-size:.9rem}
.cookie-banner .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
@media(max-width:600px){.cookie-banner{flex-direction:column;align-items:stretch;text-align:center}.cookie-actions{justify-content:center}}
/* Formulaire contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr}}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:2rem;box-shadow:var(--shadow-sm)}
.contact-form .field{margin-bottom:1.1rem}
.contact-form label{display:block;font-family:var(--display);font-weight:600;font-size:.9rem;margin-bottom:.4rem}
.contact-form input,.contact-form textarea{width:100%;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:12px;font-family:var(--body);font-size:1rem;color:var(--ink);background:var(--paper-2);transition:border-color .15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--orange);background:#fff}
.contact-form textarea{resize:vertical;min-height:140px}
.contact-form .consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--ink-soft);margin-bottom:1.2rem}
.contact-form .consent input{width:auto;margin-top:.25rem}
.contact-info{padding-top:.5rem}
.contact-info h3{margin-top:0}
.contact-info .info-row{display:flex;gap:.8rem;align-items:flex-start;margin-bottom:1.2rem}
.contact-info .info-ico{font-size:1.4rem;color:var(--orange);flex-shrink:0}
.form-msg{padding:.9rem 1.1rem;border-radius:12px;font-size:.92rem;margin-bottom:1rem;display:none}
.form-msg.ok{background:#e7f5ec;color:#1d6b3a;display:block}
.form-msg.err{background:#fbecec;color:#a33;display:block}