/* ============================================================
   PermiSûr — feuille de style
   Parti pris : blanc dominant, élégance typographique, beaucoup
   d'air. Un seul accent (vert profond = sécurité). Le rouge est
   réservé aux chiffres de risque.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Albert+Sans:wght@400;500;600;700&display=swap');

:root {
  --ink: #16211b;
  --ink-soft: #5c6b62;
  --paper: #ffffff;
  --paper-warm: #fafbf9;
  --hair: #e8ece9;
  --green: #14532d;
  --green-mid: #1d6b3c;
  --green-pale: #f2f7f3;
  --risk: #a3352b;
  --radius: 14px;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Albert Sans", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 28px; }
.wrap-narrow { max-width: 780px; margin: 0 auto; padding: 0 28px; }

/* ---------- Typographie ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}
h1 { font-size: clamp(38px, 5.5vw, 60px); }
h2 { font-size: clamp(28px, 3.6vw, 40px); }
h3 { font-size: 21px; font-weight: 500; }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--ink-soft); line-height: 1.6; }
.kicker {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--green-mid); margin-bottom: 18px;
}
.center { text-align: center; }
em.accent { font-style: italic; color: var(--green-mid); }

/* ---------- Bandeau supérieur ---------- */
.topbar {
  background: var(--green);
  color: #eaf3ec;
  font-size: 13.5px;
  text-align: center;
  padding: 8px 16px;
}
.topbar a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hair);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1080px; margin: 0 auto; padding: 16px 28px;
}
.brand {
  font-family: var(--font-display);
  font-size: 25px; font-weight: 600; color: var(--ink);
  text-decoration: none !important;
}
.brand span { color: var(--green-mid); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--ink-soft); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a.active { color: var(--green); font-weight: 600; }
.nav-links a.btn-solid, .nav-links a.btn-solid:hover { color: #fff; }
.burger { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--ink); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 100px;
  font-weight: 600; font-size: 16px;
  text-decoration: none !important;
  transition: transform .15s, box-shadow .15s, background .15s;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}
.btn-solid { background: var(--green); color: #fff; }
.btn-solid:hover { background: var(--green-mid); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(20,83,45,.18); }
.btn-line { background: transparent; color: var(--green); border: 1.5px solid var(--green); }
.btn-line:hover { background: var(--green-pale); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.link-arrow { font-weight: 600; white-space: nowrap; }
.link-arrow::after { content: " →"; }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
section.tight { padding: 72px 0; }
section.warm { background: var(--paper-warm); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head p { margin-top: 16px; }

/* ---------- Hero ---------- */
.hero { padding: 110px 0 100px; text-align: center; }
.hero h1 { max-width: 860px; margin: 0 auto; }
.hero .lead { max-width: 640px; margin: 26px auto 0; }
.hero-cta { margin-top: 42px; display: flex; gap: 18px; justify-content: center; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 14px; color: var(--ink-soft); }

/* ---------- Chiffres ---------- */
.figures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.figure {
  background: var(--paper); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 40px 28px; text-align: center;
}
.figure .n {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 58px); font-weight: 500; line-height: 1;
  color: var(--risk);
}
.figure .l { margin-top: 14px; color: var(--ink-soft); font-size: 15px; }

.pull-quote {
  font-family: var(--font-display); font-style: italic;
  font-size: clamp(20px, 2.6vw, 27px);
  text-align: center; color: var(--ink);
  max-width: 640px; margin: 64px auto 0;
}

/* ---------- Colonnes / cartes ---------- */
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card {
  background: var(--paper); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 34px 30px;
}
.card .ico {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--green-pale); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 21px; margin-bottom: 20px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 15.5px; }

/* ---------- Prix ---------- */
.price-hero { text-align: center; }
.price-big {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(52px, 8vw, 96px); line-height: 1;
  color: var(--green);
}
.price-big small { font-size: .35em; color: var(--ink-soft); font-family: var(--font-body); font-weight: 500; }
.price-anchor { max-width: 620px; margin: 34px auto 0; text-align: left; }
.shock {
  border: 1.5px solid var(--green); border-radius: var(--radius);
  padding: 22px 34px; text-align: center;
  font-family: var(--font-display); font-size: clamp(19px, 2.4vw, 25px);
  max-width: 560px; margin: 44px auto 0;
  background: var(--green-pale);
}
.under-note { text-align: center; font-size: 14px; color: var(--ink-soft); margin-top: 18px; }

/* ---------- Tableau prix promoteurs ---------- */
table.price {
  width: 100%; border-collapse: collapse; margin: 40px 0 10px;
  font-size: 16px; background: var(--paper);
}
table.price th, table.price td { padding: 16px 18px; border: 1px solid var(--hair); text-align: center; }
table.price th:first-child, table.price td:first-child { text-align: left; font-weight: 600; }
table.price thead th { background: var(--paper-warm); font-family: var(--font-body); font-size: 14px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); }
table.price .audit-row td { color: var(--green); font-weight: 700; font-size: 18px; }
table.price .risk-row td { color: var(--risk); }
.foot-note { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- Deux publics ---------- */
.publics { display: grid; grid-template-columns: 1.35fr 1fr; gap: 22px; align-items: stretch; }
.public-card { border-radius: var(--radius); padding: 42px 38px; }
.public-main { border: 2px solid var(--green); background: var(--green-pale); }
.public-main h3 { font-size: 25px; }
.public-side { border: 1px solid var(--hair); background: var(--paper); }
.public-card p { color: var(--ink-soft); margin: 14px 0 22px; }

/* ---------- Encadrés scénarios ---------- */
.scenario { border-left: 3px solid var(--risk); padding: 6px 0 6px 26px; }
.scenario h3 { color: var(--ink); margin-bottom: 8px; }
.scenario p { color: var(--ink-soft); font-size: 15.5px; }
.scenarios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin-top: 48px; }
.synth { text-align: center; font-weight: 600; font-size: 18px; max-width: 620px; margin: 58px auto 0; }

/* ---------- Timeline méthode ---------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.step { position: relative; padding: 0 0 52px 76px; }
.step::before {
  content: ""; position: absolute; left: 24px; top: 54px; bottom: 6px;
  width: 1.5px; background: var(--hair);
}
.step:last-child::before { display: none; }
.step-num {
  position: absolute; left: 0; top: 0;
  width: 50px; height: 50px; border-radius: 50%;
  border: 1.5px solid var(--green); color: var(--green);
  font-family: var(--font-display); font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  background: var(--paper);
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--ink-soft); }

/* ---------- Encadré humain+techno / infos ---------- */
.note-box {
  border: 1px solid var(--hair); border-left: 3px solid var(--green);
  background: var(--paper-warm);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 30px; margin: 40px auto 0; max-width: 760px;
  font-size: 16px;
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--hair); }
.faq-item summary {
  cursor: pointer; list-style: none;
  padding: 26px 40px 26px 4px;
  font-family: var(--font-display); font-size: 20px; font-weight: 500;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-body); font-size: 26px; color: var(--green-mid); font-weight: 300;
  transition: transform .2s;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item .answer { padding: 0 4px 28px; color: var(--ink-soft); max-width: 700px; }

/* ---------- Valeurs ---------- */
.values { display: flex; gap: 60px; justify-content: center; margin-top: 54px; flex-wrap: wrap; }
.values div { font-family: var(--font-display); font-size: 27px; color: var(--green); }

/* ---------- Formulaire ---------- */
form.devis { max-width: 640px; margin: 0 auto; }
.f-field { margin-bottom: 22px; }
.f-field label { display: block; font-weight: 600; font-size: 14.5px; margin-bottom: 8px; }
.f-field input[type=text], .f-field input[type=email], .f-field input[type=tel],
.f-field input[type=number], .f-field textarea, .f-field select {
  width: 100%; padding: 13px 16px;
  border: 1px solid #d5ddd7; border-radius: 10px;
  font-size: 16px; font-family: var(--font-body); background: #fff; color: var(--ink);
}
.f-field input:focus, .f-field textarea:focus { outline: 2px solid #a7d9b9; border-color: var(--green-mid); }
.f-radios { display: flex; gap: 12px; flex-wrap: wrap; }
.f-radios label {
  border: 1px solid #d5ddd7; border-radius: 100px; padding: 10px 20px;
  cursor: pointer; font-weight: 500; font-size: 15px; margin: 0;
}
.f-radios input { display: none; }
.f-radios input:checked + span { color: var(--green); }
.f-radios label:has(input:checked) { border-color: var(--green); background: var(--green-pale); color: var(--green); }
#devis-calc {
  margin-top: 12px; padding: 16px 20px;
  background: var(--green-pale); border-radius: 10px;
  font-size: 17px; display: none;
}
#devis-calc b { color: var(--green); font-size: 21px; font-family: var(--font-display); }
.confidential { text-align: center; font-size: 14px; color: var(--ink-soft); margin-top: 26px; }

/* ---------- CTA final ---------- */
.final-cta { text-align: center; }
.final-cta .micro { max-width: 560px; margin: 26px auto 0; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--hair);
  padding: 56px 0 40px;
  background: var(--paper-warm);
  font-size: 14.5px; color: var(--ink-soft);
}
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.foot-brand { font-family: var(--font-display); font-size: 22px; color: var(--ink); margin-bottom: 8px; }
.foot-links { display: flex; gap: 30px; flex-wrap: wrap; }
.foot-links a { color: var(--ink-soft); }
.foot-links a:hover { color: var(--green); }
.foot-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--hair); font-size: 13px; }

/* ---------- Apparition douce au scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.on { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  section { padding: 68px 0; }
  .cols-3, .scenarios, .figures { grid-template-columns: 1fr; }
  .cols-2, .publics { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--hair);
    flex-direction: column; padding: 18px 28px; gap: 16px; align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .burger { display: block; }
  table.price { font-size: 14px; }
  table.price th, table.price td { padding: 10px 8px; }
}