/* Site vitrine: plomberie, direction classique. */
@font-face { font-family: "Playfair"; src: url("fonts/playfair.woff2") format("woff2"); font-weight: 400 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Playfair"; src: url("fonts/playfair-italic.woff2") format("woff2"); font-weight: 400 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Text"; src: url("fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
:root {
  --cream: oklch(0.972 0.018 85); --cream-2: oklch(0.945 0.025 85); --ink: oklch(0.24 0.025 60); --muted: oklch(0.45 0.02 60);
  --accent: oklch(0.42 0.08 195); --accent-strong: oklch(0.34 0.08 195); --on-accent: oklch(0.985 0.008 85); --accent-text: oklch(0.4 0.08 195); --accent-soft: oklch(0.93 0.03 195);
  --serif: "Playfair", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --text: "Text", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 12px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 17px/1.7 var(--text); -webkit-font-smoothing: antialiased; text-align: center; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }
.wrap { width: min(1080px, 100% - 48px); margin-inline: auto; }
.i { flex: none; }
:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 3px; }
h1, h2, h3, .brand, .num, .bigtel, .fname { font-family: var(--serif); }

.orn { display: flex; align-items: center; justify-content: center; gap: 14px; color: var(--accent-text); margin-bottom: 18px; }
.orn i { display: block; width: 72px; height: 1px; background: currentColor; opacity: .6; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 28px; background: var(--accent); color: var(--on-accent); border: 1.5px solid var(--accent); font: 600 .98rem/1.2 var(--text); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); }

/* header */
.top { padding: 26px 0 0; border-bottom: 4px double var(--ink); }
.trade { font-size: .78rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-text); }
.brand { display: block; margin: 6px auto 0; font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; text-decoration: none; }
.nav { display: flex; justify-content: center; gap: 36px; padding: 18px 0 20px; }
.nav a { font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--accent-text); }

/* hero */
.hero { padding: 64px 0 80px; }
.arch { width: min(260px, 60%); aspect-ratio: 4 / 5; margin: 0 auto 40px; position: relative; background: var(--accent); border-radius: 999px 999px 3px 3px; overflow: hidden; box-shadow: 0 0 0 6px var(--cream), 0 0 0 7px var(--accent-text); }
.arch svg { position: absolute; inset: 0; width: 100%; height: 100%; --a1: var(--cream); --a2: var(--ink); --a3: var(--accent-strong); --a4: var(--accent-soft); }
h1 { max-width: 16em; margin-inline: auto; font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.06; font-weight: 500; letter-spacing: -0.02em; text-wrap: balance; }
h1 em { font-style: italic; color: var(--accent-text); }
.lead { max-width: 33em; margin: 24px auto 0; font-size: clamp(1.08rem, 1.5vw, 1.25rem); color: var(--muted); text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 36px; }
.facts { display: flex; flex-wrap: wrap; justify-content: center; margin-top: 56px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.facts > div { flex: 1 1 200px; padding: 20px 24px; }
.facts > div + div { border-left: 1px solid var(--ink); }
dt { font-size: .74rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 4px; }
dd { font-family: var(--serif); font-size: 1.12rem; line-height: 1.4; }
dd a { text-decoration: none; font-variant-numeric: lining-nums tabular-nums; white-space: nowrap; }

/* sections */
.section { padding: 80px 0; }
.tint { background: var(--cream-2); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 500; letter-spacing: -0.015em; line-height: 1.1; }
.head { margin-bottom: 44px; }
h3 { font-size: 1.4rem; font-weight: 500; line-height: 1.2; letter-spacing: -0.01em; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.cards.n3 { grid-template-columns: repeat(3, 1fr); }
.card { padding: 36px 32px 38px; background: var(--cream); box-shadow: inset 0 0 0 1px var(--ink), inset 0 0 0 6px var(--cream), inset 0 0 0 7px var(--accent-text); display: grid; gap: 12px; justify-items: center; align-content: start; transition: background-color .25s; }
.card:hover { background: var(--accent-soft); }
.seal { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; border: 1.5px solid var(--accent-text); color: var(--accent-text); margin-bottom: 6px; }
.card p { color: var(--muted); max-width: 26em; font-size: 1.02rem; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.steps li { padding: 8px 32px; }
.steps li + li { border-left: 1px solid var(--ink); }
.num { display: block; font-style: italic; font-size: 2.6rem; line-height: 1; color: var(--accent-text); margin-bottom: 12px; }
.steps p { margin-top: 8px; color: var(--muted); }

.frame { padding: 56px 32px; box-shadow: inset 0 0 0 1px var(--ink), inset 0 0 0 8px var(--cream), inset 0 0 0 9px var(--accent-text); display: grid; gap: 10px; justify-items: center; }
.frame p { color: var(--muted); }
.bigtel { margin-top: 10px; font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 500; letter-spacing: -0.02em; text-decoration: none; font-variant-numeric: lining-nums tabular-nums; color: var(--accent-text); border-bottom: 2px solid currentColor; line-height: 1.1; }
.route { margin-top: 8px; display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid currentColor; }
.route:hover { color: var(--accent-text); }

.foot { padding: 20px 0 56px; border-top: 4px double var(--ink); margin-top: 24px; padding-top: 40px; color: var(--muted); font-size: .97rem; }
.fname { font-size: 1.3rem; color: var(--ink); margin-bottom: 4px; }
.foot a { text-decoration: none; }

.callbar { display: none; }

@media (max-width: 960px) {
  .nav { gap: 22px; flex-wrap: wrap; }
  .hero { padding: 44px 0 60px; }
  .section { padding: 56px 0; }
  .head { margin-bottom: 30px; }
  .cards, .cards.n3, .steps { grid-template-columns: 1fr; }
  .steps li { padding: 22px 0; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--ink); }
  .facts > div + div { border-left: 0; border-top: 1px solid var(--ink); }
  .actions .btn { width: 100%; }
  body:has(.callbar) { padding-bottom: 84px; }
  .callbar { display: flex; align-items: center; justify-content: center; gap: 10px; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 30; padding: 16px 20px; background: var(--accent); color: var(--on-accent); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: .95rem; text-decoration: none; box-shadow: 0 0 0 1px var(--ink); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn, .card { transition: none; } }