/* Layout: one scrolling page, wide hero with a paint-chip strip, content on a 1080px column; masking-tape labels mark each section. */
:root {
  --paper: #f7f7f4;      /* drop-cloth white */
  --paper-2: #ecebe5;    /* section alternate */
  --ink: #1d2422;        /* text */
  --muted: #59625e;
  --slate: #2f4a5a;      /* accent: bleu ardoise */
  --slate-hover: #23394a;
  --tape: #e8c766;       /* masking tape */
  --tape-ink: #3b3216;
  --line: #d9d7cf;
  --card: #ffffff;
  --on-accent: #ffffff;
  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 4px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #141817; --paper-2: #1b201f; --ink: #e9e8e3; --muted: #a4aca8;
    --slate: #8db4cc; --slate-hover: #a9c8db; --tape: #d9b95a; --tape-ink: #2b2410;
    --line: #2c3331; --card: #1f2524; --on-accent: #10181d; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #141817; --paper-2: #1b201f; --ink: #e9e8e3; --muted: #a4aca8;
  --slate: #8db4cc; --slate-hover: #a9c8db; --tape: #d9b95a; --tape-ink: #2b2410;
  --line: #2c3331; --card: #1f2524; --on-accent: #10181d; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6; color: var(--ink); background: var(--paper); }
a { color: var(--slate); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--tape); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; text-wrap: balance; }
.container { max-width: var(--max); margin: 0 auto; padding-inline: 16px; }
.narrow { max-width: 720px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.hidden { display: none; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; padding-block: 12px; flex-wrap: wrap; }
.logo { font-family: var(--font-display); font-weight: 800; font-stretch: 85%; font-size: 1.35rem; letter-spacing: -0.01em; text-decoration: none; color: var(--ink); text-transform: uppercase; }
.logo span { color: var(--slate); }
nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--ink); font-weight: 600; }
nav a:hover { color: var(--slate); }

/* Buttons */
.btn { display: inline-block; background: var(--slate); color: var(--on-accent); padding: 12px 22px; border-radius: var(--radius); text-decoration: none; font-weight: 700; border: 2px solid var(--slate); cursor: pointer; font: inherit; font-weight: 700; }
.btn:hover { background: var(--slate-hover); border-color: var(--slate-hover); }
.btn-ghost { background: transparent; color: var(--slate); }
.btn-ghost:hover { background: var(--paper-2); color: var(--slate); }
.btn-small { padding: 6px 14px; }
nav .btn-small { color: var(--on-accent); }

/* Masking-tape label */
.tape { display: inline-block; background: var(--tape); color: var(--tape-ink); font-family: var(--font-display); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 14px; transform: rotate(-1.5deg); clip-path: polygon(2% 0, 98% 4%, 100% 50%, 97% 100%, 1% 96%, 0 50%); margin-bottom: 12px; }

/* Hero */
.hero { padding-block: 64px 0; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); font-weight: 800; font-stretch: 80%; text-transform: uppercase; letter-spacing: -0.01em; margin: 0 0 18px; max-width: 16ch; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 58ch; margin: 0; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-block: 28px; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; gap: 8px 22px; flex-wrap: wrap; color: var(--muted); font-weight: 600; }
.trust li::before { content: "✓ "; color: var(--slate); }

/* Paint-chip strip */
.chips { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 48px; border-top: 1px solid var(--line); }
.chip { aspect-ratio: 3 / 4; max-width: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 10px; font-size: 0.75rem; line-height: 1.25; min-width: 0; }
.chip b { display: block; font-family: var(--font-display); font-size: 0.85rem; }
.chip.light { color: #1d2422; }
.chip.dark { color: #f4f3ee; }
@media (max-width: 640px) { .chips { grid-template-columns: repeat(3, 1fr); } .chip { aspect-ratio: 1 / 1; } }

/* Sections */
.section { padding-block: 72px; }
.section-alt { background: var(--paper-2); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 800; font-stretch: 85%; text-transform: uppercase; margin: 0 0 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.service { padding-top: 16px; border-top: 3px solid var(--ink); }
.service h3 { margin: 0 0 8px; font-size: 1.25rem; }
.service p { margin: 0; color: var(--muted); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.placeholder { aspect-ratio: 4 / 3; max-width: 100%; border: 2px dashed var(--line); border-radius: var(--radius); display: grid; place-items: center; color: var(--muted); font-size: 0.9rem; text-align: center; padding: 12px; }

/* Process */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before { content: counter(step); display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; color: var(--slate); line-height: 1; margin-bottom: 8px; }
.steps h3 { margin: 0 0 6px; font-size: 1.1rem; }
.steps p { margin: 0; color: var(--muted); }

/* Form */
.form { display: grid; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.form label { display: grid; gap: 6px; font-weight: 600; min-width: 0; }
.form input, .form select, .form textarea { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); width: 100%; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; } .form { padding: 18px; } }
.consent { grid-template-columns: auto 1fr; font-weight: 400 !important; align-items: start; }
.consent input { width: auto; margin-top: 6px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 32px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.todo { background: var(--tape); color: var(--tape-ink); padding: 0 4px; border-radius: 2px; font-size: 0.9em; }