/* INITIAL PAC CLIMA — contrats d'entretien
   Mise en page : colonne unique type « dossier » (bandeau clair + logo, sous-titres orange en capitales,
   titres bleus soulignés d'orange), étapes numérotées car l'ordre compte. */
:root {
  --navy: #16345E; --blue: #1F4E8C; --sky: #3A78C2; --orange: #F39200; --orange-ink: #B86A00; --green: #2FA774; --red: #C2412D;
  --bg: #F6F9FD; --surface: #FFFFFF; --ink: #14243A; --muted: #5B6B80; --line: #E1E8EF; --line-strong: #C9D5E2;
  --tint-blue: #E8F1FB; --tint-orange: #FDEFD9; --tint-green: #E9F7F0; --tint-red: #FBE9E6;
  --head: var(--blue); --focus: #3A78C2;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --r: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0C1726; --surface: #12223A; --ink: #E6EDF6; --muted: #9DB0C7; --line: #22364F; --line-strong: #33506F;
    --tint-blue: #16304F; --tint-orange: #3A2810; --tint-green: #123629; --tint-red: #3D1C17;
    --head: #8DB8EE; --orange-ink: #F7AE45; --focus: #8DB8EE; --blue: #4C86D1; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0C1726; --surface: #12223A; --ink: #E6EDF6; --muted: #9DB0C7; --line: #22364F; --line-strong: #33506F;
  --tint-blue: #16304F; --tint-orange: #3A2810; --tint-green: #123629; --tint-red: #3D1C17;
  --head: #8DB8EE; --orange-ink: #F7AE45; --focus: #8DB8EE; --blue: #4C86D1; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.5; }
a { color: var(--head); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3, h4 { text-wrap: balance; margin: 0; }
.eyebrow { margin: 0 0 6px; color: var(--orange-ink); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.wrap { max-width: 720px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* bandeau */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 12px; }
.brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1.1; }
.brand b { font-size: 19px; letter-spacing: .01em; }
.brand b .i { color: var(--head); } .brand b .p { color: var(--orange); }
.brand small { color: var(--muted); font-size: 11.5px; }
.brand img { height: 40px; width: auto; }
.topbar .tel { color: var(--muted); font-size: 13px; text-align: right; white-space: nowrap; }
@media (max-width: 420px) { .topbar .tel .q { display: none; } .brand small { font-size: 11px; } }
.topbar .tel strong { display: block; color: var(--ink); font-variant-numeric: tabular-nums; }
.demo-band { background: var(--tint-orange); color: var(--ink); font-size: 13.5px; }
.demo-band .wrap { padding-block: 8px; }

/* intro */
.intro { padding-block: 28px 8px; }
.intro h1 { color: var(--head); font-size: clamp(26px, 6vw, 34px); line-height: 1.15; }
.intro h1::after { content: ""; display: block; width: 44px; height: 4px; background: var(--orange); margin-top: 12px; border-radius: 2px; }
.intro p { color: var(--muted); max-width: 60ch; margin: 14px 0 0; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding: 0; list-style: none; }
.facts li { background: var(--tint-blue); color: var(--ink); border-radius: 999px; padding: 5px 12px; font-size: 13.5px; }

/* étapes */
.steps { display: flex; gap: 6px; list-style: none; padding: 0; margin: 22px 0 18px; overflow-x: auto; scrollbar-width: none; }
.steps::-webkit-scrollbar { display: none; }
.steps li { flex: 1 0 auto; min-width: 0; display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); font-size: 13px; white-space: nowrap; }
.steps li .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--line); color: var(--ink); font-weight: 700; font-size: 12px; flex: none; }
.steps li[aria-current="step"] { border-color: var(--orange); color: var(--ink); font-weight: 700; }
.steps li[aria-current="step"] .n { background: var(--orange); color: #fff; }
.steps li.done .n { background: var(--green); color: #fff; }
@media (max-width: 560px) { .steps li .t { display: none; } .steps li[aria-current="step"] .t { display: inline; } }

/* panneaux de formulaire */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 22px clamp(16px, 4vw, 26px); }
.panel h2 { color: var(--head); font-size: 21px; }
.panel .lead { color: var(--muted); margin: 6px 0 18px; }
.grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px 12px; }
.c6 { grid-column: span 6; } .c4 { grid-column: span 4; } .c3 { grid-column: span 3; } .c2 { grid-column: span 2; }
@media (max-width: 560px) { .c4, .c3 { grid-column: span 6; } .c2 { grid-column: span 3; } }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field label, .lbl { font-size: 14px; font-weight: 700; }
.field .hint { color: var(--muted); font-size: 13px; }
.field .err { color: var(--red); font-size: 13px; }
input[type=text], input[type=search], input[type=email], input[type=tel], input[type=date], input[type=number], input[type=password], select, textarea {
  width: 100%; min-width: 0; font: inherit; font-size: 16px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 11px 12px;
}
textarea { min-height: 90px; resize: vertical; }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--red); background: var(--tint-red); }
.mono { font-variant-numeric: tabular-nums; letter-spacing: .04em; }

/* choix */
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.choice { position: relative; display: block; cursor: pointer; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice .box { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 16px; border: 1.5px solid var(--line-strong); border-radius: var(--r); background: var(--surface); }
.choice input:checked + .box { border-color: var(--orange); box-shadow: 0 0 0 3px color-mix(in srgb, var(--orange) 22%, transparent); }
.choice input:focus-visible + .box { outline: 3px solid var(--focus); outline-offset: 2px; }
.choice .box strong { font-size: 17px; }
.choice .box span { color: var(--muted); font-size: 14px; }
.choice .box .price { color: var(--ink); font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.choice .box .price small { font-size: 13px; color: var(--muted); font-weight: 400; }
.choice ul { margin: 4px 0 0; padding-left: 18px; color: var(--ink); font-size: 14px; }
.choice ul li::marker { color: var(--orange); }
.tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--orange-ink); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--orange); }
.sub-q { margin-top: 18px; }

/* récapitulatif */
.recap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; background: var(--tint-blue); border-radius: var(--r); padding: 14px 16px; margin-bottom: 16px; }
.recap dt { color: var(--muted); font-size: 14px; } .recap dd { margin: 0; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.note { background: var(--tint-green); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.note.warn { background: var(--tint-orange); }

/* contrat */
.contract { border: 1px solid var(--line); border-radius: var(--r); background: var(--bg); max-height: 52vh; overflow: auto; padding: 18px clamp(14px, 3vw, 22px); font-size: 14px; }
.contract p { margin: 0 0 8px; }
.ct-title h2 { color: var(--head); font-size: 22px; } .ct-num { color: var(--muted); margin-top: 2px !important; }
.ct-h2 { margin: 22px 0 10px; padding: 7px 10px; background: var(--navy); color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; border-radius: 4px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.ct-h2 span { font-weight: 400; letter-spacing: 0; text-transform: none; opacity: .85; }
.ct-h3 { color: var(--head); font-size: 14.5px; margin: 14px 0 6px; }
.ct-kv { display: grid; grid-template-columns: minmax(120px, 38%) minmax(0, 1fr); margin: 0 0 8px; }
.ct-kv dt, .ct-kv dd { padding: 6px 0; border-bottom: 1px solid var(--line); margin: 0; }
.ct-kv dt { color: var(--muted); padding-right: 10px; } .ct-kv dd { overflow-wrap: anywhere; }
.contract ul { margin: 0 0 8px; padding-left: 18px; } .contract li { margin-bottom: 3px; } .contract li::marker { color: var(--orange); }
.contract blockquote { margin: 6px 0 10px; padding: 8px 12px; border-left: 3px solid var(--line-strong); color: var(--muted); font-size: 13px; }
.contract blockquote p { margin: 4px 0 0; }
.ct-box { border: 1px solid var(--blue); background: var(--tint-blue); border-radius: 6px; padding: 10px 12px; }
.ct-box p { margin: 0 0 4px; }

/* signature */
.sigwrap { user-select: none; -webkit-user-select: none; border: 1.5px dashed var(--line-strong); border-radius: var(--r); background: #FFFFFF; position: relative; } /* papier blanc dans les deux thèmes : l'encre reste lisible */
.sigwrap canvas { display: block; width: 100%; height: 190px; touch-action: none; cursor: crosshair; }
.sigwrap .ph { position: absolute; inset: 0; display: grid; place-items: center; color: #6B7A8C; pointer-events: none; font-size: 15px; }
.sigline { position: absolute; left: 16px; right: 16px; bottom: 40px; border-bottom: 1px solid #C9D5E2; pointer-events: none; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.otp { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.otp input { max-width: 170px; font-size: 22px; letter-spacing: .3em; text-align: center; }

/* boutons */
.btn { appearance: none; font: inherit; font-weight: 700; font-size: 16px; border-radius: 8px; padding: 12px 18px; border: 1.5px solid transparent; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; }
.btn.primary { background: var(--orange); color: #1B1205; }
.btn.primary:hover { background: #E8850F; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn.ghost { background: transparent; color: var(--head); padding-inline: 8px; }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; }
.actions .btn.primary { flex: 1 1 auto; max-width: 320px; margin-left: auto; }
@media (max-width: 560px) {
  .actions { position: sticky; bottom: 0; background: var(--bg); padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); margin-inline: -2px; border-top: 1px solid var(--line); }
}
.alert { border-radius: 8px; padding: 10px 12px; background: var(--tint-red); color: var(--ink); font-size: 14.5px; border-left: 4px solid var(--red); }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); background: var(--navy); color: #fff; padding: 12px 16px; border-radius: 10px; max-width: min(92vw, 520px); z-index: 50; font-size: 15px; box-shadow: 0 8px 30px rgba(0,0,0,.25); }

/* confirmation */
.done-head { display: flex; gap: 14px; align-items: flex-start; }
.done-head .ok { flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-size: 24px; font-weight: 700; }
.next { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.next li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.next li b { color: var(--head); font-variant-numeric: tabular-nums; }
@media (max-width: 480px) { .next li { grid-template-columns: 1fr; gap: 2px; } }

.foot { color: var(--muted); font-size: 12.5px; padding-block: 28px 36px; }
.foot .wrap { display: flex; flex-direction: column; gap: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: no-preference) { .panel { animation: rise .25s ease-out; } @keyframes rise { from { transform: translateY(6px); } to { transform: none; } } }

/* paiement après signature */
.paybox { margin: 16px 0 12px; border: 1.5px solid var(--orange); border-radius: var(--r); background: var(--tint-orange); padding: 16px; display: grid; gap: 10px; }
.paybox .amount { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.paybox p { margin: 0; }
.paybox address { font-style: normal; font-weight: 700; }

/* tarifs hors contrat */
.extras { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; font-size: 14px; }
.extras dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; margin: 0; }
.extras dt { color: var(--muted); } .extras dd { margin: 0; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }