/* ------------------------------------------------------------------
   Design system — shared by the demo sites
   paper / ink / one accent · editorial scale · hairline rules
   ------------------------------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Inter Tight",ui-sans-serif,system-ui,sans-serif;font-weight:400;
  font-size:16.5px;line-height:1.62;letter-spacing:-.006em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--accent);color:var(--paper)}

:root{
  --paper:#f8f5ef; --ink:#141613; --muted:#5f6259;
  --rule:rgba(20,22,19,.14); --rule-soft:rgba(20,22,19,.08);
  --accent:#a8532c; --accent-ink:#fff;
  --max:1220px; --gut:clamp(20px,5vw,56px);
  --pad:clamp(84px,11vw,160px);
  --sans:"Inter Tight",ui-sans-serif,system-ui,sans-serif;
  --serif:"Fraunces","Georgia",serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
}

/* ---------- measure & rhythm ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
.narrow{max-width:820px}
section{padding-block:var(--pad)}
.rule{height:1px;background:var(--rule);border:0;margin:0}
.mt-s{margin-top:clamp(20px,3vw,32px)}
.mt-m{margin-top:clamp(36px,5vw,64px)}
.mt-l{margin-top:clamp(56px,8vw,104px)}

/* ---------- type ---------- */
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.03em}
h1,.display{font-family:var(--serif);font-size:clamp(44px,7.4vw,104px);line-height:.94;
  letter-spacing:-.035em;font-variation-settings:"SOFT" 0,"WONK" 0}
h2,.h2{font-family:var(--serif);font-size:clamp(30px,4.4vw,60px);line-height:1.02;letter-spacing:-.03em}
h3{font-family:var(--sans);font-size:clamp(17px,1.5vw,19px);line-height:1.3;font-weight:500;letter-spacing:-.01em}
p{margin:0}
.lead{font-size:clamp(17.5px,1.7vw,22px);line-height:1.5;color:var(--ink);font-weight:400;
  letter-spacing:-.014em;max-width:34ch}
.body{color:var(--muted);max-width:52ch;font-size:16.5px;line-height:1.7}
.label{font-family:var(--mono);font-size:11.5px;line-height:1;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted)}
.accent{color:var(--accent)}
.serif-i{font-family:var(--serif);font-style:italic;letter-spacing:-.02em}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--rule-soft)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;
  min-height:76px;padding-block:14px}
.brand{display:flex;flex-direction:column;gap:5px;font-family:var(--serif);
  font-size:21px;line-height:1;letter-spacing:-.02em}
.brand small{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted)}
.nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,34px)}
.nav a{font-size:14.5px;letter-spacing:-.005em;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav .cta{color:var(--ink);padding-bottom:2px;border-bottom:1px solid var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:var(--paper);
  padding:15px 26px;border-radius:999px;font-size:14.5px;letter-spacing:-.005em;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),background .2s}
.btn:hover{transform:translateY(-2px);background:var(--accent)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--ink);background:transparent;color:var(--ink)}
.btn.accent{background:var(--accent);color:var(--accent-ink)}

/* ---------- layout helpers ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,88px);align-items:end}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(28px,4vw,64px)}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3.4vw,52px)}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.6vw,40px)}
.stack>*+*{margin-top:clamp(18px,2.2vw,28px)}

/* ---------- ledger (price list) ---------- */
.ledger{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.ledger li{display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:18px;
  padding-block:clamp(18px,2.2vw,26px);border-bottom:1px solid var(--rule-soft)}
.ledger .n{font-size:clamp(17px,1.6vw,20px);letter-spacing:-.015em}
.ledger .d{display:block;color:var(--muted);font-size:14.5px;line-height:1.45;margin-top:5px;max-width:46ch}
.ledger .p{font-family:var(--mono);font-size:15px;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- figures ---------- */
.frame{border:1px solid var(--rule);border-radius:2px;overflow:hidden;background:#fff}
.frame img{width:100%;height:100%;object-fit:cover}
.ph{background:
  radial-gradient(120% 90% at 20% 10%,rgba(0,0,0,.05),transparent 60%),
  linear-gradient(180deg,#efeae1,#e3ddd2);}

/* ---------- quiet quote ---------- */
.quote{font-family:var(--serif);font-size:clamp(24px,3.4vw,44px);line-height:1.18;
  letter-spacing:-.03em;max-width:26ch}
.quote cite{display:block;margin-top:22px;font-family:var(--mono);font-style:normal;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ---------- dark band ---------- */
.band{background:var(--ink);color:var(--paper)}
.band .label,.band .body{color:color-mix(in srgb,var(--paper) 62%,transparent)}
.band .rule{background:rgba(255,255,255,.14)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--rule);padding-block:clamp(48px,7vw,80px) clamp(32px,4vw,48px)}
.foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(28px,4vw,56px)}
.foot h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:400;margin-bottom:14px}
.foot a{display:block;font-size:15px;padding-block:4px;color:var(--ink)}
.foot a:hover{color:var(--accent)}
.foot .base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:clamp(40px,6vw,64px);padding-top:22px;border-top:1px solid var(--rule-soft)}
.foot .base p{font-size:13px;color:var(--muted)}

/* ---------- reveal ---------- */
/* le contenu reste lisible même sans JS : seule la translation est animée */
.rv{translate:0 16px;transition:translate .9s cubic-bezier(.2,.7,.3,1)}
.rv[data-in]{translate:0 0}
@media (prefers-reduced-motion:reduce){
  .rv{translate:none;transition:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:36px;align-items:start}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .foot .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .nav{gap:16px}
  .nav a:not(.cta){display:none}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .ledger li{grid-template-columns:1fr auto}
  .foot .cols{grid-template-columns:1fr}
  section{padding-block:clamp(56px,12vw,84px)}
}