:root {
  --navy: #0d2137;
  --ink: #1b2a38;
  --muted: #5b6b7b;
  --accent: #a65708;        /* orange du logo, assombri : 5.3:1 sur blanc, 4.9:1 sur fond doux */
  --accent-dark: #874606;   /* survol */
  --accent-bright: #d87818; /* orange du logo, decoratif uniquement */
  --accent-soft: #fbeee0;   /* fond des pastilles */
  --line: #e2e8ee;
  --bg-soft: #f5f8fa;
  --max: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  background: #fff;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */
header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 10;
}
header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 12px;
  padding-bottom: 12px;
}
.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  align-items: center;
}
nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--accent);
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--muted); }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--bg-soft); border-color: var(--bg-soft); }

/* ---------- hero ---------- */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 72px 0;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero p.lead {
  font-size: 1.15rem;
  color: #c3d3e0;
  max-width: 640px;
  margin: 0 0 28px;
}
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero .eyebrow { color: #f0a85c; }

/* ---------- sections ---------- */
section { padding: 60px 0; }
section.alt { background: var(--bg-soft); }
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
  color: var(--navy);
}
h3 { font-size: 1.15rem; margin: 0 0 8px; color: var(--navy); }
p { margin: 0 0 16px; }
.sub { color: var(--muted); max-width: 680px; margin-bottom: 34px; }

.grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px 24px;
  background: #fff;
}
.card p:last-child { margin-bottom: 0; }
.card a.more {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.93rem;
}
.card a.more:hover { text-decoration: underline; }

ul.check { list-style: none; padding: 0; margin: 0 0 16px; }
ul.check li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 10px;
}
ul.check li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 12px;
  border: solid var(--accent);
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

/* ---------- pricing ---------- */
.price {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
.price small { font-size: 0.85rem; font-weight: 400; color: var(--muted); display: block; }
.card.featured { border-color: var(--accent); border-width: 2px; }
.tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 10px;
}

/* ---------- cta band ---------- */
.band {
  background: var(--navy);
  color: #fff;
  padding: 54px 0;
  text-align: center;
}
.band h2 { color: #fff; }
.band p { color: #c3d3e0; max-width: 560px; margin: 0 auto 24px; }

/* ---------- form ---------- */
form label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 6px; }
form input, form select, form textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  font-size: 0.98rem;
  margin-bottom: 18px;
  background: #fff;
}
form input:focus, form select:focus, form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}
.form-row { display: grid; gap: 0 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.hp { position: absolute; left: -9999px; }

/* ---------- footer ---------- */
footer {
  background: var(--navy);
  color: #a9bccd;
  padding: 48px 0 28px;
  font-size: 0.92rem;
}
footer a { color: #d5e2ec; text-decoration: none; }
footer a:hover { color: #fff; text-decoration: underline; }
footer h2 { color: #fff; font-size: 0.95rem; line-height: 1.4; letter-spacing: 0; margin: 0 0 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 8px; }
.legal {
  border-top: 1px solid #24405c;
  margin-top: 34px;
  padding-top: 18px;
  font-size: 0.83rem;
  color: #7d95aa;
}

/* ---------- misc ---------- */
a { color: var(--accent); }
.faq { border-top: 1px solid var(--line); padding: 20px 0; }
.faq:last-of-type { border-bottom: 1px solid var(--line); }
.faq h3 { margin-bottom: 6px; }
.faq p { margin: 0; color: var(--muted); }
.center { text-align: center; }

/* ---------- estimateur ---------- */
.calc { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px 26px; }
.seg { display: flex; border: 1px solid var(--navy); border-radius: 6px; overflow: hidden; margin-bottom: 24px; }
.seg button {
  flex: 1; padding: 12px 8px; background: transparent; border: 0; cursor: pointer;
  font: inherit; font-size: 0.95rem; font-weight: 600; color: var(--navy);
}
.seg button[aria-pressed="true"] { background: var(--navy); color: #fff; }
.opt { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.opt input { margin-right: 10px; accent-color: var(--accent); }
.opt .px { float: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.qty { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.qty label { flex: 1; font-size: 0.96rem; }
.qty input { width: 80px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font: inherit; text-align: right; margin: 0; }
.total { margin-top: 24px; padding-top: 20px; border-top: 2px solid var(--navy); }
.total .amount { font-size: 2.2rem; font-weight: 700; color: var(--navy); line-height: 1.15; letter-spacing: -0.02em; }
.total .amount span { font-size: 0.95rem; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.breakdown { list-style: none; padding: 0; margin: 14px 0 0; font-size: 0.92rem; color: var(--muted); }
.breakdown li { display: flex; justify-content: space-between; gap: 16px; padding: 4px 0; }
.breakdown li span:last-child { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- diagnostic ---------- */
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.bar { height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; margin-bottom: 8px; }
.bar i { display: block; height: 100%; width: 0; background: var(--navy); transition: width .25s ease; }
.step { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.8rem; color: var(--muted); letter-spacing: 0.04em; margin: 0 0 14px; }
.q { border: 1px solid var(--line); border-radius: 8px; padding: 28px 26px; background: #fff; }
.q h2 { margin-bottom: 8px; }
.q .help { color: var(--muted); font-size: 0.95rem; margin-bottom: 22px; }
.ans { display: block; border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px; margin-bottom: 10px; cursor: pointer; }
.ans:hover { border-color: var(--navy); background: var(--bg-soft); }
.ans input { margin-right: 11px; accent-color: var(--accent); }
.qnav { display: flex; justify-content: space-between; gap: 12px; margin-top: 22px; }
.btn[disabled] { opacity: 0.35; cursor: not-allowed; }
.score { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.dial { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 3rem; font-weight: 700; line-height: 1; letter-spacing: -0.03em; margin: 0; }
.dial small { font-size: 1rem; font-weight: 400; color: var(--muted); }
.badge { display: inline-block; padding: 5px 13px; border-radius: 20px; font-size: 0.86rem; font-weight: 700; }
.b-ok { background: #e3f2ef; color: #0a5c50; } .d-ok .dial { color: #0f7b4a; }
.b-mid { background: #e8f0fd; color: #14539a; } .d-mid .dial { color: #1f6feb; }
.b-warn { background: #fdf1e0; color: #8a4f05; } .d-warn .dial { color: #b96a06; }
.b-bad { background: #fdeceb; color: #8c1d17; } .d-bad .dial { color: #b3261e; }
.fix { border-left: 3px solid var(--line); padding: 2px 0 2px 20px; margin-bottom: 24px; }
.fix .rank { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.76rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin: 0; }
.fix .cost { display: inline-block; margin-top: 6px; font-size: 0.89rem; font-weight: 600; background: var(--bg-soft); padding: 4px 11px; border-radius: 5px; }
.fix.p1 { border-left-color: #b3261e; } .fix.p2 { border-left-color: #b96a06; } .fix.p3 { border-left-color: #1f6feb; }
.recap { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin: 24px 0; }
.recap div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 18px; border-bottom: 1px solid var(--line); font-size: 0.94rem; }
.recap div:last-child { border-bottom: 0; }
.recap .v { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 700; white-space: nowrap; }
.v3s { color: #0f7b4a; } .v2s { color: #1f6feb; } .v1s { color: #b96a06; } .v0s { color: #b3261e; }
.hide { display: none; }
@media print { header, footer, .band, .noprint { display: none; } body { font-size: 12pt; } }

/* ---------- logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo img { display: block; height: 33px; width: auto; }
@media (max-width: 560px) { .logo img { height: 28px; } .logo { font-size: 1.1rem; } }

/* ---------- menu mobile ---------- */
.burger {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  cursor: pointer;
  line-height: 0;
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}
.burger span + span { margin-top: 4px; }
.burger:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 900px) {
  header .wrap { flex-wrap: wrap; row-gap: 0; }
  .burger { display: block; }
  nav#menu {
    display: none;
    order: 3;
    width: 100%;
    border-top: 1px solid var(--line);
    margin-top: 12px;
    padding-top: 12px;
  }
  nav#menu.open { display: block; }
  nav#menu ul { flex-direction: column; align-items: stretch; gap: 0; }
  nav#menu li { border-bottom: 1px solid var(--line); }
  nav#menu li:last-child { border-bottom: 0; padding-top: 14px; }
  nav#menu a { display: block; padding: 13px 2px; font-size: 1rem; }
  nav#menu a.btn { text-align: center; padding: 13px 22px; }
}

/* ---------- pied de page ---------- */
footer .logo { display: block; }
footer .logo img { height: 33px; width: auto; filter: brightness(1.12); }
footer .grid { gap: 30px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
footer p { margin-bottom: 12px; line-height: 1.6; }
footer .legal a { text-decoration: underline; }

.opt abbr { text-decoration: none; color: var(--accent); font-weight: 700; cursor: help; }

/* ---------- micro-animations ---------- */
.card { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(13,33,55,.07); border-color: #cdd8e2; }
.card.featured:hover { border-color: var(--accent); }
.btn { transition: background-color .15s ease, border-color .15s ease, transform .08s ease; }
.btn:active { transform: translateY(1px); }
a.more { transition: color .15s ease; }
.opt, .ans { transition: border-color .15s ease, background-color .15s ease; }

.burger span { transition: transform .22s ease, opacity .18s ease; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

nav#menu.open { animation: descend .2s ease; }
@keyframes descend { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .card:hover { transform: none; }
}
.notice { display: none; padding: 12px 16px; border-radius: 6px; font-weight: 600; }
.notice:target { display: block; }
.notice.ok { background: #e6f4ea; color: #1e5c2e; }
.notice.err { background: #fdecea; color: #8a1f17; }