/* vigie — design system partagé (FR/EN, home + bêta).
   Palette chaude « box au centre ». Aucune police externe, aucun cloud. */

:root{
  --paper:#eef0ec; --paper2:#f6f7f3; --ink:#17201b; --ink-soft:#4c574f; --line:#d3d9cf;
  --accent:#256a4f; --accent-ink:#1c5540; --mint:#dde7df;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{ --paper:#11150f; --paper2:#181d16; --ink:#e7ece3; --ink-soft:#9aa79b; --line:#2b332a;
    --accent:#5fbf97; --accent-ink:#7fd0ac; --mint:#1c2a22; }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; background:var(--paper); color:var(--ink); font-family:var(--sans);
  font-size:17px; line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased}
.wrap{max-width:1120px; margin-inline:auto; padding-inline:clamp(22px,5vw,64px)}
p{margin:0}
a{color:inherit}
h1,h2,h3{margin:0; font-weight:800; letter-spacing:-.03em; line-height:1.02; text-wrap:balance}
::selection{background:var(--accent); color:var(--paper)}
.label{font-family:var(--mono); font-size:12px; letter-spacing:.2em; text-transform:uppercase; color:var(--accent-ink)}
.muted{color:var(--ink-soft)}
.skip{position:fixed; left:14px; top:-52px; z-index:60; background:var(--ink); color:var(--paper);
  padding:10px 16px; border-radius:2px; font-weight:600; text-decoration:none; transition:top .2s}
.skip:focus-visible{top:12px}

/* ---- boutons ---- */
.btn{display:inline-flex; align-items:center; gap:.55em; font-weight:700; font-size:16px;
  padding:14px 26px; border-radius:2px; border:1.5px solid var(--ink); cursor:pointer; text-decoration:none;
  transition:transform .12s ease, background .2s ease, color .2s ease, border-color .2s ease}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink); color:var(--paper)}
.btn--primary:hover{background:var(--accent); border-color:var(--accent); color:var(--paper)}
.btn--ghost{background:transparent; color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink); background:var(--ink); color:var(--paper)}
.btn--sm{padding:9px 16px; font-size:13px}
a:focus-visible,.btn:focus-visible,button:focus-visible{outline:2px solid var(--accent); outline-offset:3px}

/* ---- header ---- */
.site-head{position:absolute; top:0; left:0; right:0; z-index:20}
.site-head .bar{display:flex; align-items:center; justify-content:space-between; gap:16px; padding-top:24px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; font-size:19px; letter-spacing:-.02em; text-decoration:none}
.brand .led{width:9px; height:9px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent); flex:none}
.beta-tag{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent-ink); border:1px solid var(--line); border-radius:2px; padding:2px 7px; font-weight:500}
.site-head nav{display:flex; gap:26px; align-items:center; font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase}
.site-head nav a{color:var(--ink-soft); text-decoration:none}
.site-head nav a:hover{color:var(--ink)}
.head-actions{display:flex; gap:16px; align-items:center}
.lang{font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); text-decoration:none}
.lang:hover{color:var(--ink)}
@media (max-width:760px){ .site-head nav a.n{display:none} }

/* ---- spines verticaux ---- */
.spine{position:fixed; top:50%; transform:translateY(-50%); z-index:15;
  font-family:var(--mono); font-size:11px; letter-spacing:.26em; text-transform:uppercase; color:var(--ink-soft)}
.spine.l{left:20px; writing-mode:vertical-rl; transform:translateY(-50%) rotate(180deg)}
.spine.r{right:20px; writing-mode:vertical-rl}
@media (max-width:1180px){ .spine{display:none} }

/* ---- sections ---- */
section.blk{padding:clamp(64px,9vw,116px) 0}
.sec-lead{max-width:640px; margin:0 auto 54px; text-align:center}
.sec-lead h2{font-size:clamp(28px,4.4vw,46px)}
.sec-lead p{color:var(--ink-soft); margin-top:16px}

/* ===== HOME — HERO (la box au centre) ===== */
.hero{min-height:100dvh; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:clamp(76px,9vh,110px) 0 clamp(40px,6vh,60px); position:relative}
.hero .label{margin-bottom:22px}
.hero h1{font-size:clamp(34px,5.4vw,60px); max-width:17ch; letter-spacing:-.035em}
.hero h1 .g{color:var(--accent-ink)}
.hero .lede{color:var(--ink-soft); max-width:54ch; margin-top:20px; font-size:clamp(17px,1.9vw,19px)}
.hero .cta-row{display:flex; gap:14px; margin-top:clamp(22px,3.5vh,52px); flex-wrap:wrap; justify-content:center}
.hero-note{margin-top:22px; font-size:14px; color:var(--ink-soft); display:flex; align-items:center; gap:9px; justify-content:center}
.hero-note .led{width:8px; height:8px; border-radius:50%; background:var(--accent); flex:none}

.stage{margin:clamp(18px,3vh,40px) auto 8px; position:relative; text-align:center; width:100%}
.device-photo{max-width:min(660px,92vw); max-height:44dvh; width:auto; height:auto; display:inline-block}
@media (prefers-reduced-motion:no-preference){ .device-photo{animation:float 6s ease-in-out infinite} }
@keyframes float{0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)}}

/* ---- bandeau specs ---- */
.specs{border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.specs .grid{display:grid; grid-template-columns:repeat(4,1fr)}
.specs .cell{padding:26px clamp(16px,3vw,30px); border-right:1px solid var(--line)}
.specs .cell:last-child{border-right:0}
.specs .k{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-ink)}
.specs .v{font-weight:800; font-size:clamp(18px,2.2vw,22px); letter-spacing:-.02em; margin-top:8px}
.specs .v small{display:block; font-weight:400; font-size:13px; color:var(--ink-soft); letter-spacing:0; margin-top:5px}
@media (max-width:720px){ .specs .grid{grid-template-columns:1fr 1fr} .specs .cell:nth-child(2){border-right:0}
  .specs .cell:nth-child(1),.specs .cell:nth-child(2){border-bottom:1px solid var(--line)} }

/* ---- schéma de connexion ---- */
.flow{display:grid; grid-template-columns:1fr auto 1fr auto 1fr; align-items:center; gap:clamp(8px,2vw,20px); max-width:900px; margin:0 auto}
.node{text-align:center; padding:22px 16px; border:1px solid var(--line); border-radius:6px; background:var(--paper2)}
.node.mid{border-color:var(--accent); box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 14%,transparent)}
.node .ic{font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-soft)}
.node .nm{font-weight:800; letter-spacing:-.02em; margin-top:8px; font-size:17px}
.node.mid .nm{color:var(--accent-ink)}
.wire{position:relative; height:2px; background:var(--line); min-width:100px}
.wire::before{content:""; position:absolute; top:-3px; width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 8px var(--accent)}
.wire .lab{position:absolute; left:50%; top:-18px; transform:translateX(-50%); white-space:nowrap;
  font-family:var(--mono); font-size:10px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft)}
@media (prefers-reduced-motion:no-preference){ .wire::before{animation:travel 2.4s linear infinite} }
@keyframes travel{from{left:-8px} to{left:100%}}
@keyframes travelv{from{top:-8px} to{top:100%}}
.flow-note{text-align:center; color:var(--ink-soft); max-width:60ch; margin:34px auto 0; font-size:15.5px}
@media (max-width:720px){
  .flow{grid-template-columns:1fr; gap:14px}
  .wire{width:2px; height:34px; min-width:0; justify-self:center}
  .wire::before{top:auto; left:-3px; animation:travelv 2.4s linear infinite}
  .wire .lab{position:static; transform:none; display:block; text-align:center; margin-top:2px}
}

/* ---- manifeste (2 colonnes) — home + bêta ---- */
.manifest{display:grid; grid-template-columns:1fr 1fr; gap:0 clamp(30px,6vw,80px)}
.col > .h{display:flex; align-items:baseline; gap:12px; padding-bottom:18px; border-bottom:2px solid var(--ink); margin-bottom:6px}
.col > .h .t{font-weight:800; font-size:20px; letter-spacing:-.02em}
.col > .h .c{font-family:var(--mono); font-size:12px; color:var(--ink-soft); margin-left:auto}
.item{padding:20px 0; border-bottom:1px solid var(--line); display:grid; grid-template-columns:auto 1fr; gap:16px; align-items:start}
.item .tag{font-family:var(--mono); font-size:11px; letter-spacing:.06em; color:var(--accent-ink);
  border:1px solid var(--line); border-radius:3px; padding:3px 8px; white-space:nowrap; margin-top:2px}
.item h3{font-size:17px; font-weight:700; letter-spacing:-.01em}
.item p{color:var(--ink-soft); font-size:14.5px; margin-top:5px}
.basis{font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); line-height:1.6; margin-top:18px}
.basis b{color:var(--ink)}
@media (max-width:760px){ .manifest{grid-template-columns:1fr; gap:0} .col+.col{margin-top:44px} }

/* ---- l'intérieur ---- */
.inside{background:var(--paper2)}
.inside .rows{max-width:820px; margin:0 auto}
.irow{display:grid; grid-template-columns:170px 1fr; gap:28px; padding:24px 0; border-top:1px solid var(--line); align-items:baseline}
.irow:last-child{border-bottom:1px solid var(--line)}
.irow .part{font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--accent-ink)}
.irow .desc h3{font-size:19px; letter-spacing:-.02em}
.irow .desc p{color:var(--ink-soft); font-size:15px; margin-top:6px; max-width:62ch}
@media (max-width:620px){ .irow{grid-template-columns:1fr; gap:6px} }

/* ---- bandeau sombre ---- */
.band{background:var(--ink); color:var(--paper); text-align:center}
.band h2{font-size:clamp(24px,3.6vw,40px); max-width:24ch; margin:0 auto; letter-spacing:-.03em}
.band p{color:color-mix(in srgb,var(--paper) 68%,transparent); margin:18px auto 0; max-width:58ch}

/* ---- personas ---- */
.personas{display:grid; grid-template-columns:1fr 1fr; gap:clamp(16px,2.4vw,26px); max-width:960px; margin:0 auto}
.persona{border:1px solid var(--line); border-radius:8px; background:var(--paper2); padding:clamp(24px,3vw,32px); display:flex; flex-direction:column}
.persona .who{display:flex; align-items:baseline; gap:12px; padding-bottom:15px; border-bottom:1px solid var(--line); margin-bottom:16px}
.persona .pname{font-weight:800; font-size:22px; letter-spacing:-.02em}
.persona .prole{font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--accent-ink); margin-left:auto}
.persona .psit{color:var(--ink-soft); font-size:15px}
.persona .pact{margin-top:14px; font-size:15px}
.persona .pact b{color:var(--accent-ink); font-weight:700}
.persona--answer{grid-column:1/-1; background:var(--mint); border-color:var(--accent); justify-content:center}
.persona--answer .ans-k{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent-ink)}
.persona--answer .ans-t{margin-top:12px; font-size:clamp(17px,1.9vw,20px); max-width:64ch; letter-spacing:-.01em}
.persona--answer .ans-t b{color:var(--accent-ink); font-weight:800}
@media (max-width:640px){ .personas{grid-template-columns:1fr} }

/* ---- clôture ---- */
.close{text-align:center; padding:clamp(70px,10vw,130px) 0}
.close h2{font-size:clamp(30px,5.4vw,60px); letter-spacing:-.04em; max-width:20ch; margin:0 auto}
.close p{color:var(--ink-soft); max-width:46ch; margin:18px auto 0}
.close .cta-row{display:flex; gap:14px; justify-content:center; margin-top:36px; flex-wrap:wrap}
.close .alt{margin-top:22px; font-size:14.5px; color:var(--ink-soft)}
.close .alt a{color:var(--accent-ink)}

/* ===== BÊTA ===== */
.bhero{padding:clamp(128px,17vw,190px) 0 clamp(40px,7vw,72px)}
.bhero .inner{max-width:660px}
.bhero h1{font-size:clamp(38px,7vw,74px); letter-spacing:-.04em}
.bhero .sub{color:var(--ink-soft); font-size:clamp(17px,2vw,20px); margin-top:22px; max-width:52ch}
.bhero .cta-row{display:flex; gap:14px; margin-top:32px; flex-wrap:wrap}
.bhero .hero-note{justify-content:flex-start}

.exchange{display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,6vw,72px)}
.exchange h3{font-size:21px; letter-spacing:-.02em; padding-bottom:16px; border-bottom:2px solid var(--ink); margin-bottom:10px}
.exchange ul{list-style:none; margin:0; padding:0; display:grid; gap:16px}
.exchange li{display:flex; gap:13px; font-size:15.5px; color:var(--ink-soft); line-height:1.55}
.exchange li b{color:var(--ink); font-weight:700}
.exchange li::before{content:""; flex:none; width:7px; height:7px; margin-top:9px; border-radius:50%; background:var(--accent)}
.exchange .ask li::before{background:var(--accent-ink); box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}
@media (max-width:720px){ .exchange{grid-template-columns:1fr; gap:36px} }

.mailcard{margin-top:44px; border:1.5px solid var(--ink); border-radius:4px; background:var(--paper2); padding:clamp(28px,4vw,44px)}
.mailcard h2{font-size:clamp(24px,3.4vw,34px); letter-spacing:-.03em}
.mailcard > p{color:var(--ink-soft); margin-top:14px; max-width:60ch}
.mail-actions{display:flex; gap:16px; align-items:center; flex-wrap:wrap; margin-top:26px}
.addr{font-family:var(--mono); font-size:14px; color:var(--ink-soft); display:inline-flex; align-items:center; gap:10px}
.copybtn{font-family:var(--mono); font-size:12px; letter-spacing:.06em; background:transparent; border:1px solid var(--line);
  color:var(--ink-soft); padding:6px 11px; border-radius:2px; cursor:pointer; transition:border-color .2s, color .2s}
.copybtn:hover{border-color:var(--ink); color:var(--ink)}
.copybtn.done{border-color:var(--accent); color:var(--accent-ink)}
.mailcard .waitlist{margin-top:22px; font-size:14.5px; color:var(--ink-soft)}
.mailcard .waitlist a{color:var(--accent-ink)}
.mailcard .privacy{margin-top:20px; padding-top:20px; border-top:1px solid var(--line); font-size:13.5px; color:var(--ink-soft); line-height:1.6}
.mailcard .privacy a{color:var(--accent-ink)}

/* ---- footer ---- */
.site-foot{border-top:1px solid var(--line); padding:34px 0}
.site-foot .row{display:flex; justify-content:space-between; align-items:center; gap:14px; flex-wrap:wrap; font-size:14px; color:var(--ink-soft)}
.site-foot .foot-brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.02em; color:var(--ink)}
.site-foot .foot-brand .led{width:9px; height:9px; border-radius:50%; background:var(--accent)}
.site-foot .links{display:flex; gap:22px; flex-wrap:wrap}
.site-foot a{color:var(--ink-soft); text-decoration:none}
.site-foot a:hover{color:var(--ink)}
.site-foot .fine{width:100%; margin-top:6px; font-size:13px}

/* ---- reveals ---- (contenu visible sans JS : masqué seulement si .js) */
.js .io{opacity:0; transform:translateY(18px)}
.js .io.in{opacity:1; transform:none; transition:opacity .6s ease, transform .6s cubic-bezier(.16,1,.3,1)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .io{opacity:1; transform:none}
  .device-photo,.wire::before{animation:none}
}