/* Layout: technical-drawing sheet — left-aligned sections on a faint grid, footer is a drawing title block (cartouche). */
:root {
  --paper: #F2F4F5; --surface: #FFFFFF; --ink: #15212B; --muted: #55626D;
  --line: #D3DADF; --accent: #D24E17; --accent-ink: #FFFFFF; --grid: rgba(21,33,43,.05);
  --ok: #2F7A4F; --no: #A3361A;
  --display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --paper: #0F161C; --surface: #16212A; --ink: #E6ECF0; --muted: #94A2AD;
  --line: #2A3742; --accent: #F07A45; --accent-ink: #0F161C; --grid: rgba(230,236,240,.04);
  --ok: #6CC291; --no: #F08A6C; color-scheme: dark; } }
:root[data-theme="dark"] {
  --paper: #0F161C; --surface: #16212A; --ink: #E6ECF0; --muted: #94A2AD;
  --line: #2A3742; --accent: #F07A45; --accent-ink: #0F161C; --grid: rgba(230,236,240,.04);
  --ok: #6CC291; --no: #F08A6C; color-scheme: dark; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--body); }
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 72rem; margin: 0 auto; padding-inline: max(1rem, 4vw); }
h1, h2, h3 { text-wrap: balance; margin: 0; }
h1 { font: 700 clamp(2.4rem, 5.5vw, 4rem)/1.02 var(--display); letter-spacing: -.005em; text-transform: uppercase; }
h2 { font: 700 clamp(1.7rem, 3vw, 2.3rem)/1.1 var(--display); text-transform: uppercase; margin-bottom: 1.25rem; }
h3 { font: 600 1.05rem/1.35 var(--body); }
p { margin: 0; }
.eyebrow { font: 500 .78rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 38rem; margin-top: 1.1rem; }
.sel { user-select: all; font-family: var(--mono); font-size: .95em; }

/* header */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .7rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; }
.brand span { font: 700 1.3rem/1 var(--display); letter-spacing: .04em; }

nav { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
nav a { text-decoration: none; font-weight: 500; font-size: .95rem; }
nav a[aria-current="page"]:not(.btn) { color: var(--accent); }

/* buttons */
.btn { display: inline-flex; align-items: center; min-height: 2.9rem; padding: 0 1.3rem; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: 3px; font: 600 .98rem/1 var(--body); text-decoration: none; cursor: pointer; transition: transform .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-sm { min-height: 2.3rem; padding: 0 .9rem; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }

/* hero */
.hero { background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 24px 24px; border-bottom: 1px solid var(--line); }
.hero-in { display: grid; grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: center; padding-block: clamp(2.5rem, 6vw, 5rem); }
.hero-txt { min-width: 0; }
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.8rem; }
.facts { list-style: none; padding: 0; margin: 2.2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.facts li { padding: .8rem .8rem 0 0; display: grid; gap: .2rem; }
.facts li + li { padding-left: .8rem; border-left: 1px solid var(--line); }
.facts b { font: 700 1.6rem/1 var(--display); }
.facts span { font-size: .85rem; color: var(--muted); line-height: 1.35; }
.hero-fig { margin: 0; min-width: 0; }
.drawing { width: 100%; height: auto; max-width: 30rem; display: block; margin-inline: auto; }
.hero-fig figcaption { font: .8rem/1.4 var(--mono); color: var(--muted); text-align: center; margin-top: .6rem; }

/* sections */
.sec { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.sec-alt { background: var(--surface); border-block: 1px solid var(--line); }
.page-head { padding-bottom: 0; }
.intro { max-width: 42rem; color: var(--muted); margin-bottom: 1.8rem; }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.steps li { counter-increment: s; border-top: 2px solid var(--ink); padding-top: .9rem; display: grid; gap: .45rem; align-content: start; }
.steps li::before { content: "Étape " counter(s); font: 500 .75rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.steps p { color: var(--muted); font-size: .97rem; }

.who { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 3rem; max-width: 60rem; }
.who div { display: grid; gap: .5rem; align-content: start; }
.who p { color: var(--muted); }

.scope { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.scope > div { background: var(--surface); border: 1px solid var(--line); padding: 1.4rem 1.5rem; border-radius: 3px; }
.scope h3 { font: 700 1.35rem/1 var(--display); text-transform: uppercase; margin-bottom: 1rem; }
.scope ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.scope li { padding-left: 1.6rem; position: relative; }
.yes li::before, .no li::before { position: absolute; left: 0; top: .05em; font: 600 1rem/1.5 var(--mono); }
.yes li::before { content: "+"; color: var(--ok); }
.no li::before { content: "×"; color: var(--no); }
.yes h3 { color: var(--ok); } .no h3 { color: var(--no); }
.spec { margin-top: 1.5rem; font: .88rem/1.8 var(--mono); color: var(--ink); display: flex; flex-wrap: wrap; column-gap: .6rem; }
.spec span { color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-size: .75rem; }
.spec span:not(:first-child) { margin-left: 1rem; }

.price-teaser, .zone { display: flex; justify-content: space-between; align-items: end; gap: 2rem; flex-wrap: wrap; }
.price-teaser > div, .zone > div { max-width: 42rem; min-width: 0; }
.price-teaser p, .zone p { color: var(--muted); }

.faq { display: grid; border-top: 1px solid var(--line); max-width: 52rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 1rem 2rem 1rem 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .2rem; top: .9rem; font: 500 1.2rem/1 var(--mono); color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 1.1rem; color: var(--muted); max-width: 46rem; }

/* tarifs */
.forfait { display: grid; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; background: var(--surface); border: 2px solid var(--ink); padding: 1.8rem; border-radius: 3px; margin-bottom: 3rem; }
.forfait-price { display: grid; gap: .3rem; }
.forfait-price span { font: 500 .78rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.forfait-price b { font: 700 4rem/1 var(--display); color: var(--accent); font-variant-numeric: tabular-nums; }
.forfait ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .3rem; columns: 2; }
.tbl { overflow-x: auto; margin-bottom: 3rem; border: 1px solid var(--line); background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 34rem; font-size: .97rem; }
th, td { text-align: left; padding: .75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 .74rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td:first-child { font-family: var(--mono); color: var(--accent); width: 3.5rem; }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; font-family: var(--mono); }
.ex { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.ex div { border-top: 2px solid var(--ink); padding-top: .9rem; display: grid; gap: .4rem; grid-template-rows: auto 1fr auto; }
.ex p { color: var(--muted); font-size: .95rem; }
.ex b { font: 500 .95rem/1.3 var(--mono); }
.note { font-size: .9rem; color: var(--muted); max-width: 46rem; }

/* forms */
.form-wrap { display: grid; grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; }
.form { display: grid; gap: 1.2rem; min-width: 0; }
fieldset { border: 1px solid var(--line); background: var(--surface); padding: 1.2rem 1.3rem 1.4rem; margin: 0; display: grid; gap: 1rem; border-radius: 3px; min-width: 0; }
legend { font: 700 1.2rem/1 var(--display); text-transform: uppercase; padding: 0 .4rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: grid; gap: .35rem; font-size: .9rem; font-weight: 500; min-width: 0; }
input, select, textarea { font: inherit; font-weight: 400; font-size: 1rem; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 3px; padding: .65rem .75rem; width: 100%; min-width: 0; }
input[type="file"] { padding: .5rem; }
.form .btn { justify-self: start; }
.form-note { font-size: .9rem; color: var(--accent); }
.small { font-size: .85rem; color: var(--muted); }
.aside { border-top: 2px solid var(--ink); padding-top: 1rem; display: grid; gap: .9rem; min-width: 0; }
.aside h2 { font-size: 1.4rem; margin: 0; }
.aside ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .4rem; color: var(--muted); }
.contact-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .9rem 1.5rem; border-top: 2px solid var(--ink); padding-top: 1rem; }
.contact-card dt { font: 500 .75rem/1.6 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.contact-card dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.prose { max-width: 46rem; display: grid; gap: 1rem; padding-bottom: 3rem; }
.prose h2 { font-size: 1.4rem; margin: 1rem 0 0; }
.prose p { color: var(--muted); }

/* footer cartouche */
.foot { padding-block: 3rem 2rem; }
.cartouche { display: grid; grid-template-columns: repeat(3, 1fr); border: 2px solid var(--ink); }
.cartouche div { padding: .6rem .8rem; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); display: grid; gap: .2rem; min-width: 0; }
.cartouche div:nth-child(3n) { border-right: 0; }
.cartouche div:nth-last-child(-n+3) { border-bottom: 0; }
.cartouche span { font: 500 .65rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.cartouche b { font-weight: 500; font-size: .9rem; overflow-wrap: anywhere; }
.foot-links { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; margin-top: 1rem; font-size: .85rem; color: var(--muted); }

@media (max-width: 860px) {
  .hero-in, .form-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .drawing { max-width: 20rem; }
  .steps { grid-template-columns: 1fr 1fr; }
  .who, .ex, .scope { grid-template-columns: 1fr; }
  .forfait { grid-template-columns: 1fr; gap: 1.2rem; }
  .forfait ul { columns: 1; }
  .cartouche { grid-template-columns: 1fr 1fr; }
  .cartouche div:nth-child(3n) { border-right: 1px solid var(--ink); }
  .cartouche div:nth-child(2n) { border-right: 0; }
  .cartouche div:nth-last-child(-n+3) { border-bottom: 1px solid var(--ink); }
  .cartouche div:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 520px) {
  .steps, .row2 { grid-template-columns: 1fr; }
  .facts b { font-size: 1.3rem; }
  nav { gap: .9rem; }
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

/* services complémentaires */
.extras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.extras > div { background: var(--paper); border: 1px solid var(--line); border-radius: 3px; padding: 1.4rem 1.5rem; display: grid; gap: .6rem; align-content: start; min-width: 0; }
.extras .eyebrow { margin-bottom: 0; }
.extras p:not(.eyebrow) { color: var(--muted); }
.checks { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; }
.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; font-size: 1rem; cursor: pointer; }
.check input { width: 1.1rem; height: 1.1rem; padding: 0; accent-color: var(--accent); }
@media (max-width: 860px) { .extras, .who { grid-template-columns: 1fr; } }
.ex-list { margin: 0; padding-left: 1.1rem; display: grid; gap: .35rem; color: var(--muted); }
.brand span { display: grid; gap: .15rem; letter-spacing: .14em; }
.brand small { font: 500 .62rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 520px) { .brand small { display: none; } }
.forfait-alt { border-width: 1px; margin-top: -1.5rem; }
.forfait-alt .forfait-price b { color: var(--ink); }
.tbl-note { margin: -2rem 0 3rem; }
.who a, .scope a, .note a { color: var(--accent); }
.side-note { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); max-width: 60rem; }
.side-note a { color: var(--accent); }
.page-personne .who { grid-template-columns: repeat(3, 1fr); max-width: none; }
@media (max-width: 860px) { .page-personne .who { grid-template-columns: 1fr; } }
.hint { display: block; font-weight: 400; font-size: .85rem; color: var(--muted); }
.group-lbl { display: block; font-size: .9rem; font-weight: 500; margin-bottom: .45rem; }
.checks-col { flex-direction: column; gap: .55rem; }
.checks-col .check { align-items: flex-start; }
.checks-col .check input { margin-top: .2rem; flex: none; }
.zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 1.5rem; }
.zones > div { border-top: 2px solid var(--ink); padding-top: .9rem; display: grid; gap: .4rem; align-content: start; min-width: 0; }
.zones .eyebrow { margin-bottom: 0; }
.zones p:not(.eyebrow) { color: var(--muted); }
.zone a:not(.btn) { color: var(--accent); }
@media (max-width: 860px) { .zones { grid-template-columns: 1fr; } }
.foot { border-top: 1px solid var(--line); padding-block: 1.5rem 2rem; margin-top: 2rem; }
.foot-links { margin-top: 0; align-items: baseline; }
.foot-brand { font: 700 1rem/1 var(--display); letter-spacing: .14em; color: var(--ink); }
.drawing .halo { paint-order: stroke; stroke: var(--paper); stroke-width: 4px; stroke-linejoin: round; }

/* illustrations */
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
.panel { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 1.1rem 1.2rem 1.2rem; display: grid; gap: .7rem; align-content: start; min-width: 0; }
.panel .eyebrow { margin-bottom: 0; }
.panel figcaption, .legend { font-size: .9rem; color: var(--muted); }
.scene { width: 100%; height: auto; display: block; aspect-ratio: 420 / 320; max-width: 100%; }
.viewer { width: 100%; aspect-ratio: 420 / 320; max-width: 100%; display: block; cursor: grab; touch-action: pan-y; }
.viewer:active { cursor: grabbing; }
.viewer-wide { aspect-ratio: 16 / 7; }
.fit-fig { margin: 0 0 2rem; background: var(--paper); border: 1px solid var(--line); border-radius: 3px; padding: 1rem 1.2rem 1.2rem; }
.legend { display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; margin-top: .6rem; }
.legend span { display: inline-flex; align-items: center; gap: .5rem; }
.k { display: inline-block; flex: none; width: 18px; height: 0; border-top: 2px solid var(--ink); }
.k-scan { width: 14px; height: 6px; border: 0; background: radial-gradient(circle, var(--muted) 1.2px, transparent 1.6px) 0 0 / 4.6px 6px repeat-x; }
.k-cad { border-top-color: var(--accent); border-top-width: 1px; height: 6px; border-bottom: 1px solid var(--accent); }
@media (max-width: 860px) { .demo { grid-template-columns: 1fr; } .viewer-wide { aspect-ratio: 4 / 3; } }
/* zone d'intervention */
.area { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr); gap: 2.5rem; align-items: start; }
.area-home { border-top: 2px solid var(--accent); padding-top: .9rem; }
.area-home .eyebrow { margin-bottom: .5rem; }
.area-city { font: 700 clamp(2.4rem, 5vw, 3.4rem)/1 var(--display); text-transform: uppercase; }
.area-sub { color: var(--muted); margin-top: .4rem; font-size: .95rem; }
.area-depts { border-top: 2px solid var(--ink); padding-top: .9rem; display: grid; gap: 1.1rem; }
.area-depts .eyebrow { margin-bottom: 0; color: var(--muted); }
.area-depts .eyebrow a { color: var(--accent); }
.dept { display: grid; gap: .25rem; }
.dept h3 { font: 700 1.25rem/1.1 var(--display); text-transform: uppercase; display: flex; align-items: baseline; gap: .5rem; }
.dept h3 span { font: 500 .75rem/1 var(--mono); color: var(--accent); border: 1px solid currentColor; border-radius: 3px; padding: .15rem .35rem; }
.towns { font-size: .86rem; line-height: 1.7; color: var(--muted); max-width: 52rem; }
.area-cta { display: flex; justify-content: space-between; align-items: center; gap: 1rem 2rem; flex-wrap: wrap; margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.area-cta p { color: var(--muted); }
.zones p:not(.eyebrow) { font-size: .86rem; line-height: 1.7; }
@media (max-width: 860px) { .area { grid-template-columns: 1fr; gap: 1.8rem; } }
.towns span { white-space: nowrap; }
.towns span:not(:last-child)::after { content: " ·"; }
a.obf, .obf { font-family: var(--mono); font-size: .95em; color: inherit; white-space: nowrap; }
span.obf { font-family: inherit; white-space: normal; }