/* Notaire+ by RDZ Media — brand stylesheet.
   Compromis notaire × RDZ : squelette RDZ (crème papier / encre / famille orange)
   mais accent = cuivre patiné (lampe laiton, cire à cacheter) et titres serif. */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&display=swap');
:root {
  --orange: #b3611e;        /* cuivre patiné — descendant calme du orange RDZ */
  --orange-deep: #8f4a12;
  --orange-soft: #f8efe2;   /* parchemin */
  --black: #15110e;         /* brun-noir espresso (boiseries) */
  --cream: #faf6ef;
  --ink: #26241f;
  --muted: #6b675e;
  --line: #e3ddd0;
  --white: #fffdf9;
  --ok: #2e7d4f;
  --radius: 12px;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--black); color: var(--cream);
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 5vw;
}
.nav .brand { display: flex; align-items: baseline; gap: 10px; color: var(--cream); text-decoration: none; }
.brand-mark { font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: 3px; }
.brand-mark .dot { color: var(--orange); }
.brand-product { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: #b9b3a6; }
.nav .links { display: flex; gap: 22px; align-items: center; }
.nav .links a { color: #d8d2c4; font-size: 14.5px; text-decoration: none; }
.nav .links a:hover { color: var(--cream); }
.nav .links a.btn { color: #fff; }

/* ---- buttons ---- */
.btn {
  display: inline-block; background: var(--orange); color: #fff;
  font-weight: 700; padding: 13px 26px; border-radius: 8px;
  border: none; cursor: pointer; font-size: 16px; text-decoration: none;
}
.btn:hover { background: var(--orange-deep); text-decoration: none; }
.btn.big { font-size: 18px; padding: 16px 34px; }
.btn.ghost {
  background: transparent; color: var(--cream);
  border: 1.5px solid #4a4840;
}
.btn.ghost:hover { border-color: var(--orange); color: #fff; background: transparent; }
.btn.ghost.dark-on-light { color: var(--ink); border-color: var(--line); }
.btn.ghost.dark-on-light:hover { border-color: var(--orange); color: var(--orange); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ---- layout ---- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 5vw; }
section { padding: 64px 0; }
.kicker {
  color: var(--orange); font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; font-size: 13px; display: block; margin-bottom: 10px;
}
h1 { font-family: var(--serif); font-size: clamp(34px, 5vw, 56px); line-height: 1.1; font-weight: 700; letter-spacing: 0; }
h1 em, h2 em { font-style: italic; color: var(--orange); }
h2 { font-family: var(--serif); font-size: clamp(27px, 3.5vw, 36px); font-weight: 700; letter-spacing: 0; margin-bottom: 14px; }
h3 { font-size: 19px; font-weight: 700; }
.sub { color: var(--muted); font-size: 19px; max-width: 640px; }
.center { text-align: center; }
.center .sub { margin: 0 auto; }

/* ---- dark hero ---- */
.hero { background: var(--black); color: var(--cream); padding: 90px 0 80px; }
.hero .sub { color: #d8d2c4; margin-top: 18px; }
.hero .cta-row { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero.hero-img {
  background:
    linear-gradient(97deg, rgba(21,17,14,.96) 0%, rgba(21,17,14,.85) 34%, rgba(21,17,14,.38) 62%, rgba(21,17,14,.06) 100%),
    url(../img/hero.webp) center / cover no-repeat;
  background-attachment: fixed;
  min-height: 84vh;
  display: flex;
  align-items: center;
  padding: 90px 0;
}
.hero.hero-img .sub { text-shadow: 0 1px 12px rgba(0,0,0,.55); }
.hero.hero-img h1 { text-shadow: 0 2px 16px rgba(0,0,0,.45); }
@media (max-width: 700px) {
  .hero.hero-img {
    background:
      linear-gradient(rgba(21,17,14,.84), rgba(21,17,14,.62)),
      url(../img/hero-mobile.webp) center 60% / cover no-repeat;
    background-attachment: scroll;
    min-height: 0;
    display: block;
    padding: 90px 0 80px;
  }
}

/* ---- inline icons ---- */
.ico { width: 22px; height: 22px; flex: 0 0 auto; vertical-align: -5px; }
.proof-bar .ico { color: var(--orange); margin-right: 7px; width: 19px; height: 19px; vertical-align: -4px; }
h3 .ico { color: var(--orange); margin-right: 8px; }
.tier .ico { width: 17px; height: 17px; color: var(--orange); margin-right: 6px; vertical-align: -3px; }

/* ---- proof bar ---- */
.proof-bar { background: var(--black); border-top: 1px solid #2a2822; padding: 22px 0; color: #b9b3a6; }
.proof-bar .wrap { display: flex; gap: 8px 40px; flex-wrap: wrap; justify-content: center; font-size: 15px; }
.proof-bar b { color: var(--cream); }
.proof-bar .o { color: var(--orange); font-weight: 800; }

/* ---- cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 34px; }
.card {
  background: var(--white); border: 1.5px solid var(--line);
  border-radius: var(--radius); padding: 26px;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15.5px; }
.card .num {
  background: var(--orange); color: #fff; font-weight: 800;
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}

/* ---- offers ---- */
.offer { position: relative; display: flex; flex-direction: column; }
.offer .tier { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.offer .price { font-size: 34px; font-weight: 800; margin: 8px 0 2px; }
.offer .price small { font-size: 15px; font-weight: 600; color: var(--muted); }
.offer .setup { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.offer ul { list-style: none; margin: 12px 0 20px; flex: 1; }
.offer li { padding: 5px 0 5px 26px; position: relative; font-size: 15px; }
.offer li::before { content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 800; }
.offer .btn { align-self: stretch; text-align: center; }
.offer.hl { border: 2.5px solid var(--orange); box-shadow: 0 8px 30px rgba(211, 84, 0, .12); }
.offer .reco-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: #fff; font-size: 12px; font-weight: 800;
  letter-spacing: 1.5px; text-transform: uppercase; padding: 5px 14px;
  border-radius: 20px; white-space: nowrap; display: none;
}
.offer.hl .reco-badge { display: block; }

/* ---- callout ---- */
.callout {
  background: var(--orange-soft); border-left: 4px solid var(--orange);
  padding: 16px 20px; border-radius: 0 8px 8px 0; margin: 18px 0;
}

/* ---- demo chat / workspace ---- */
.demo-banner {
  background: var(--orange); color: #fff; text-align: center;
  font-size: 13.5px; font-weight: 700; letter-spacing: 1px; padding: 8px 5vw;
}
.demo-banner a { color: #fff; text-decoration: underline; }
.chat { background: var(--white); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 24px; }
.chat + .chat { margin-top: 26px; }
.chat .c-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 16px; }
.chat .c-title { font-weight: 700; font-size: 16px; }
.chat .c-meta { font-size: 13px; color: var(--muted); }
.bubble { border-radius: 10px; padding: 14px 18px; margin-bottom: 14px; font-size: 15.5px; }
.bubble.user { background: var(--orange-soft); border: 1.5px solid #f0ddc9; margin-left: 8%; }
.bubble.ai { background: var(--cream); border: 1.5px solid var(--line); margin-right: 4%; }
.bubble .who { font-weight: 800; font-size: 11.5px; letter-spacing: 1.5px; text-transform: uppercase; display: block; margin-bottom: 6px; }
.bubble.user .who { color: var(--orange); }
.bubble.ai .who { color: var(--muted); }
.bubble h4 { font-size: 15px; margin: 12px 0 4px; }
.bubble ul, .bubble ol { margin: 6px 0 6px 20px; }
.bubble li { margin-bottom: 4px; }
.bubble .src { font-size: 13px; color: var(--muted); border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 8px; }
table.calc { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 10px 0; }
table.calc th { text-align: left; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); border-bottom: 2px solid var(--black); padding: 7px 9px; }
table.calc td { border-bottom: 1px solid var(--line); padding: 8px 9px; }
table.calc tr.total td { font-weight: 800; border-bottom: none; }
.badge {
  display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; padding: 3px 10px; border-radius: 20px;
}
.badge.doc { background: var(--black); color: var(--cream); }
.badge.chiffrage { background: var(--orange-soft); color: var(--orange); }
.badge.question { background: #efe9dc; color: var(--muted); }

/* ---- KPI tiles ---- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.kpi { background: var(--white); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.kpi .v { font-size: 30px; font-weight: 800; letter-spacing: -0.5px; }
.kpi .v small { font-size: 15px; color: var(--muted); font-weight: 600; }
.kpi .l { font-size: 13px; color: var(--muted); margin-top: 2px; }
.panel { background: var(--white); border: 1.5px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.panel h3 { margin-bottom: 4px; }
.panel .hint { font-size: 13.5px; color: var(--muted); }

/* ---- quiz ---- */
.quiz-shell { max-width: 640px; margin: 0 auto; }
.progress { height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; margin: 26px 0; }
.progress .fill { height: 100%; background: var(--orange); width: 0; transition: width .25s; }
.q-options { display: grid; gap: 12px; margin-top: 24px; }
.q-opt {
  background: var(--white); border: 2px solid var(--line); border-radius: 10px;
  padding: 15px 18px; cursor: pointer; font-size: 16.5px; text-align: left; width: 100%;
  font-family: inherit; color: var(--ink);
}
.q-opt:hover { border-color: var(--orange); }
.q-opt.selected { border-color: var(--orange); background: var(--orange-soft); font-weight: 700; }
.q-opt small { display: block; color: var(--muted); font-weight: 400; font-size: 13.5px; }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 30px; }
.linklike { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 15px; font-family: inherit; }
.linklike:hover { color: var(--ink); text-decoration: underline; }

/* ---- vs ---- */
.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 30px; }
.vs .card ul { margin: 10px 0 0 18px; color: var(--muted); font-size: 15px; }

/* ---- FAQ ---- */
.faq details { background: var(--white); border: 1.5px solid var(--line); border-radius: 10px; padding: 16px 20px; margin-bottom: 10px; }
.faq summary { font-weight: 700; cursor: pointer; }
.faq p { margin-top: 8px; color: var(--muted); font-size: 15.5px; }

/* ---- footer ---- */
footer { background: var(--black); color: #b9b3a6; padding: 40px 0; font-size: 14px; margin-top: 40px; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: #d8d2c4; }
footer .brand-mark { font-size: 14px; }

@media (max-width: 700px) { .vs { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .nav .links a:not(.btn) { display: none; }
  section { padding: 44px 0; }
  .bubble.user { margin-left: 0; }
  .bubble.ai { margin-right: 0; }
}