/* ironchain.app, la charte du protocole (22/10/2026).
   Volontairement distincte d'ohmgym.app : ohmGym est une app (téléphones,
   titres condensés en capitales), Iron Chain est un standard (schémas,
   code, titres en casse normale, police à chasse fixe pour tout ce qui est
   une donnée du protocole). Seuls le vert et le logo sont communs. */

:root {
  --bg: #0A0C0F; --panel: #111419; --panel2: #171B21; --line: #232831; --line2: #2E3440;
  --lime: #C5FF41; --lime-d: rgba(197,255,65,.14);
  --t1: #EEF1F4; --t2: #A0A8B4; --t3: #6B7380;
  --paper: #EDEEE8; --pink: #121417; --pline: #D3D5CC; --pt2: #4A4F57;
  --head: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--t1); font: 400 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 64px 64px;
}
a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
code, .mono { font-family: var(--mono); }
/* Une règle d'affichage d'un composant ne doit jamais rallumer l'autre langue. */
html[lang="en"] [data-lang="fr"], html[lang="fr"] [data-lang="en"] { display: none !important; }
section[id] { scroll-margin-top: 4.5rem; }

.ic-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.ic-sec { padding: 112px 0; position: relative; }
.ic-sec + .ic-sec { border-top: 1px solid var(--line); }

/* ── En-tête ───────────────────────────────────────────── */
.ic-head { position: sticky; top: 0; z-index: 30; background: rgba(10,12,15,.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.ic-head-in { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.ic-brand { display: flex; align-items: center; gap: 10px; }
.ic-brand img { width: 34px; height: 34px; object-fit: contain; }
.ic-brand span { font: 800 1.1rem/1 Orbitron, var(--head); letter-spacing: .04em; }
.ic-brand small { font: 500 .7rem/1 var(--mono); color: var(--t3); border: 1px solid var(--line2); border-radius: 6px; padding: 4px 6px; letter-spacing: .04em; }
.ic-nav { display: flex; gap: 22px; font: 500 .9rem/1 var(--body); color: var(--t2); }
.ic-nav a:hover, .ic-nav a.on { color: var(--t1); }
.ic-head-r { display: flex; align-items: center; gap: 8px; }
.ic-burger { display: none; height: 36px; width: 40px; place-items: center; border-radius: 10px; border: 1px solid var(--line2); background: none; color: var(--t1); cursor: pointer; }
.ic-burger svg { width: 20px; height: 20px; }
.ic-panel { border-top: 1px solid var(--line); background: var(--bg); }
.ic-panel nav { display: grid; padding: 12px 24px 20px; font: 600 1.25rem/1 var(--head); }
.ic-panel nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
.ic-panel nav a:last-child { border: 0; }
@media (max-width: 1000px) { .ic-nav { display: none; } .ic-burger { display: grid; } }
@media (max-width: 560px) { .ic-head .ic-btn { display: none; } .ic-brand small { display: none; } }

/* ── Boutons, liens ────────────────────────────────────── */
.ic-btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 20px; border-radius: 10px; background: var(--lime); color: #0A0C0F; font: 600 .95rem/1 var(--head); transition: background .2s, transform .2s; }
.ic-btn:hover { background: #d6ff73; transform: translateY(-1px); }
.ic-btn svg, .ic-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.ic-btn-sm { height: 36px; padding: 0 14px; font-size: .85rem; }
.ic-btn-ghost { background: transparent; color: var(--t1); border: 1px solid var(--line2); }
.ic-btn-ghost:hover { background: transparent; border-color: var(--lime); color: var(--lime); }
.ic-link { display: inline-flex; align-items: center; gap: 6px; color: var(--lime); font: 500 .95rem/1.3 var(--body); }
.ic-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.ic-btns { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ── Typographie ───────────────────────────────────────── */
.ic-label { display: flex; align-items: center; gap: 12px; font: 500 .75rem/1 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--t3); margin-bottom: 28px; }
.ic-label b { color: var(--lime); font-weight: 500; }
.ic-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.ic-h1 { font: 600 clamp(2.5rem, 5.6vw, 4.6rem)/1.02 var(--head); letter-spacing: -.035em; margin: 0; }
.ic-h2 { font: 600 clamp(1.9rem, 3.8vw, 3.1rem)/1.08 var(--head); letter-spacing: -.025em; margin: 0; max-width: 22ch; }
.ic-h2.wide { max-width: 30ch; }
.hl { color: var(--lime); }
.ic-lead { font-size: 1.125rem; line-height: 1.6; color: var(--t2); max-width: 40rem; margin: 20px 0 0; }
.ic-lead strong { color: var(--t1); font-weight: 600; }
.ic-small { font-size: .875rem; color: var(--t3); }

/* ── Hero ──────────────────────────────────────────────── */
.ic-hero { padding: 88px 0 0; position: relative; }
.ic-hero::before { content: ""; position: absolute; inset: 0 0 auto; height: 620px; background: radial-gradient(50% 60% at 78% 30%, rgba(197,255,65,.10), transparent 70%); pointer-events: none; }
.ic-hero-grid { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: 56px; align-items: center; position: relative; }
.ic-kicker { display: inline-flex; align-items: center; gap: 10px; font: 500 .78rem/1 var(--mono); color: var(--t2); border: 1px solid var(--line2); border-radius: 999px; padding: 8px 14px; margin-bottom: 28px; background: rgba(17,20,25,.7); }
.ic-kicker i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px var(--lime-d); }
.ic-hero .ic-btns { margin-top: 36px; }

/* Le parcours d'une preuve, de bout en bout */
.ic-pipe { background: rgba(17,20,25,.92); border: 1px solid var(--line2); border-radius: 18px; padding: 22px 22px 10px; box-shadow: 0 40px 100px -40px rgba(0,0,0,.9); }
.ic-pipe-top { display: flex; align-items: center; justify-content: space-between; font: 500 .72rem/1 var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: .12em; padding-bottom: 16px; border-bottom: 1px dashed var(--line2); margin-bottom: 8px; }
.ic-pipe-top > span:last-child { display: flex; gap: 5px; }
.ic-pipe-top > span:last-child i { width: 8px; height: 8px; border-radius: 50%; background: var(--line2); }
.ic-pipe ol { list-style: none; margin: 0; padding: 0; position: relative; }
.ic-pipe ol::before { content: ""; position: absolute; left: 17px; top: 26px; bottom: 30px; width: 2px; background: var(--line2); }
.ic-pipe ol::after { content: ""; position: absolute; left: 17px; top: 26px; width: 2px; height: calc((100% - 56px) * var(--p, 0)); background: var(--lime); transition: height .6s ease; }
.ic-pipe li { display: grid; grid-template-columns: 36px 1fr; gap: 16px; padding: 12px 0; position: relative; z-index: 1; opacity: .45; transition: opacity .4s; }
.ic-pipe li.lit { opacity: 1; }
.ic-pipe .n { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--panel2); border: 1px solid var(--line2); font: 500 .8rem/1 var(--mono); color: var(--t2); transition: all .4s; }
.ic-pipe li.lit .n { background: var(--lime); border-color: var(--lime); color: #0A0C0F; }
.ic-pipe b { display: block; font: 600 1.02rem/1.25 var(--head); }
.ic-pipe code { display: block; margin-top: 4px; font-size: .78rem; color: var(--t3); }
.ic-pipe li.lit code { color: var(--t2); }
.ic-pipe .ok { color: var(--lime) !important; }
.ic-sigs { display: inline-flex; gap: 4px; vertical-align: middle; margin-left: 6px; }
.ic-sigs i { font: 500 .68rem/1 var(--mono); font-style: normal; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 4px; border: 1px solid var(--line2); color: var(--t3); }
.ic-sigs i.on { background: var(--lime-d); border-color: rgba(197,255,65,.5); color: var(--lime); }

.ic-facts { margin-top: 88px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); background: rgba(10,12,15,.6); }
.ic-facts > div { padding: 22px 24px; border-left: 1px solid var(--line); }
.ic-facts > div:first-child { border-left: 0; padding-left: 0; }
.ic-facts b { display: block; font: 600 1rem/1.3 var(--head); }
.ic-facts > div > span { display: block; margin-top: 4px; font: 400 .8rem/1.4 var(--mono); color: var(--t3); }

/* ── 01 Pourquoi ───────────────────────────────────────── */
.ic-why { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: start; }
.ic-evid { border: 1px solid var(--line2); border-radius: 16px; overflow: hidden; background: var(--panel); }
.ic-evid-h { display: grid; grid-template-columns: 1.1fr 1.4fr 108px; gap: 16px; padding: 14px 20px; font: 500 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--t3); border-bottom: 1px solid var(--line2); }
.ic-evid-r { display: grid; grid-template-columns: 1.1fr 1.4fr 108px; gap: 16px; padding: 18px 20px; align-items: center; border-bottom: 1px solid var(--line); }
.ic-evid-r:last-child { border-bottom: 0; background: linear-gradient(90deg, rgba(197,255,65,.08), transparent); box-shadow: inset 3px 0 0 var(--lime); }
.ic-evid-r b { font: 600 1rem/1.25 var(--head); }
.ic-evid-r p { margin: 0; color: var(--t2); font-size: .9rem; line-height: 1.4; }
.ic-meter { display: grid; grid-template-columns: repeat(6, 1fr); gap: 3px; }
.ic-meter i { height: 10px; border-radius: 2px; background: var(--line2); }
.ic-meter i.on { background: var(--t3); }
.ic-evid-r:last-child .ic-meter i.on { background: var(--lime); }
.ic-evid-cap { margin-top: 12px; font: 400 .78rem/1.4 var(--mono); color: var(--t3); }
.ic-figs { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.ic-figs > div { background: var(--bg); padding: 20px; }
.ic-figs b { display: block; font: 600 2rem/1 var(--head); letter-spacing: -.02em; color: var(--lime); }
.ic-figs > div > span { display: block; margin-top: 8px; color: var(--t2); font-size: .9rem; line-height: 1.4; }
.ic-figs small { display: block; margin-top: 8px; font: 400 .72rem/1.3 var(--mono); color: var(--t3); }
.ic-figs a { text-decoration: underline; text-underline-offset: 2px; }

/* ── 02 Anatomie (section claire) ──────────────────────── */
.ic-paper { background: var(--paper); color: var(--pink); border-top: 0 !important; }
.ic-paper .ic-label { color: var(--pt2); }
.ic-paper .ic-label b { color: #4D7A00; }
.ic-paper .ic-label::after { background: var(--pline); }
.ic-paper .ic-lead { color: var(--pt2); }
.ic-paper .hl { color: #4D7A00; }
.ic-anat { margin-top: 48px; display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr); gap: 40px; align-items: start; }
.ic-anat > * { min-width: 0; }
.ic-json { margin: 0; background: #0E1115; color: #DCE1E7; border-radius: 16px; padding: 22px 0; font: 400 .82rem/1.75 var(--mono); overflow-x: auto; box-shadow: 0 30px 70px -30px rgba(0,0,0,.45); }
.ic-json-top { display: flex; justify-content: space-between; padding: 0 22px 14px; margin-bottom: 10px; border-bottom: 1px solid #222831; font-size: .7rem; color: #6B7380; text-transform: uppercase; letter-spacing: .12em; }
.ic-json .ln { display: block; padding: 0 22px; border-left: 3px solid transparent; white-space: pre; transition: background .2s, border-color .2s; }
.ic-json .ln.on { background: rgba(197,255,65,.09); border-left-color: var(--lime); }
.ic-json .k { color: var(--lime); }
.ic-json .s { color: #9FC3FF; }
.ic-json .m { display: inline-grid; place-items: center; width: 17px; height: 17px; margin-left: 8px; border-radius: 50%; background: var(--lime); color: #0A0C0F; font-size: .62rem; font-weight: 600; vertical-align: 1px; }
.ic-notes { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.ic-notes li { display: grid; grid-template-columns: 28px 1fr; gap: 14px; padding: 14px 16px; border-radius: 12px; cursor: default; transition: background .2s; }
.ic-notes li.on { background: #fff; box-shadow: 0 1px 0 var(--pline); }
.ic-notes .m { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--pink); color: var(--lime); font: 600 .75rem/1 var(--mono); }
.ic-notes b { display: block; font: 600 1.02rem/1.3 var(--head); }
.ic-notes b code { font-size: .82rem; color: #4D7A00; font-weight: 500; margin-left: 4px; }
.ic-notes p { margin: 3px 0 0; color: var(--pt2); font-size: .92rem; line-height: 1.45; }
.ic-sign { margin-top: 28px; display: flex; gap: 18px; align-items: center; padding: 18px 20px; border: 1px dashed #B9BCB1; border-radius: 14px; }
.ic-sign-w { flex: none; background: #0E1115; color: #DCE1E7; border-radius: 12px; padding: 12px 16px; font: 500 .8rem/1.4 var(--mono); }
.ic-sign-w em { display: block; font-style: normal; color: var(--lime); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 4px; }
.ic-sign p { margin: 0; color: var(--pt2); font-size: .95rem; line-height: 1.5; }

/* ── 03 Signaux ────────────────────────────────────────── */
.ic-sig-head { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.ic-ask { font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--t3); margin: 0 0 10px; }
.ic-chips { display: inline-flex; padding: 4px; border: 1px solid var(--line2); border-radius: 12px; background: var(--panel); }
.ic-chips button { border: 0; background: none; color: var(--t2); font: 500 .9rem/1 var(--body); padding: 10px 16px; border-radius: 9px; cursor: pointer; }
.ic-chips button[aria-checked="true"] { background: var(--lime); color: #0A0C0F; font-weight: 600; }
.ic-gauge { margin-top: 44px; display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 12px; align-items: start; position: relative; }
.ic-sig { position: relative; transition: opacity .35s; padding-top: calc((100 - var(--h)) * 1.7px); }
.ic-sig .bar { height: calc(46px + var(--h) * 1.7px); border-radius: 10px 10px 4px 4px; background: linear-gradient(180deg, var(--panel2), var(--panel)); border: 1px solid var(--line2); position: relative; display: flex; align-items: flex-start; padding: 14px; transition: border-color .35s, background .35s; }
.ic-sig .bar b { font: 600 2rem/1 var(--head); color: var(--t2); }
.ic-sig.in .bar { border-color: rgba(197,255,65,.55); background: linear-gradient(180deg, rgba(197,255,65,.16), rgba(197,255,65,.03)); }
.ic-sig.in .bar b { color: var(--lime); }
.ic-sig.out { opacity: .42; }
.ic-sig strong { display: block; margin-top: 14px; font: 600 1rem/1.2 var(--head); }
.ic-sig p { margin: 4px 0 0; color: var(--t2); font-size: .86rem; line-height: 1.4; }
.ic-sig > .tag { position: absolute; top: calc((100 - var(--h)) * 1.7px - 30px); left: 0; white-space: nowrap; font: 500 .7rem/1 var(--mono); color: #0A0C0F; background: var(--lime); padding: 5px 8px; border-radius: 6px; opacity: 0; transform: translateY(4px); transition: all .3s; }
.ic-sig.bar-at .tag { opacity: 1; transform: none; }
.ic-axis { margin-top: 22px; display: flex; justify-content: space-between; font: 500 .72rem/1 var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: .1em; }
.ic-axis span:nth-child(2) { flex: 1; margin: 0 14px; align-self: center; height: 1px; background: linear-gradient(90deg, var(--line2), var(--lime)); }
.ic-sig-foot { margin-top: 36px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.ic-sig-foot p { margin: 0; color: var(--t2); max-width: 44rem; }

/* ── 04 Ancrage ────────────────────────────────────────── */
.ic-anchor { margin-top: 48px; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); gap: 48px; align-items: center; }
.ic-anchor > * { min-width: 0; }
.ic-tree { width: 100%; height: auto; }
.ic-tree text { font-family: var(--mono); }
.ic-keep { display: grid; gap: 14px; }
.ic-keep > div { border: 1px solid var(--line2); border-radius: 14px; padding: 18px 20px; background: var(--panel); }
.ic-keep > div.chain { border-color: rgba(197,255,65,.45); }
.ic-keep h3 { margin: 0 0 10px; font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--t3); display: flex; align-items: center; gap: 8px; }
.ic-keep .chain h3 { color: var(--lime); }
.ic-keep ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.ic-keep li { display: flex; gap: 10px; align-items: baseline; color: var(--t1); font-size: .95rem; }
.ic-keep li::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 2px; background: var(--t3); transform: translateY(-2px); }
.ic-keep .chain li::before { background: var(--lime); }
.ic-term { margin-top: 56px; border: 1px solid var(--line2); border-radius: 16px; background: var(--panel); overflow: hidden; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
.ic-term > div { padding: 26px 28px; min-width: 0; }
.ic-term > div + div { border-left: 1px solid var(--line2); }
.ic-term h3 { margin: 0; font: 600 1.35rem/1.2 var(--head); }
.ic-term p { margin: 10px 0 0; color: var(--t2); }
.ic-term pre { margin: 0; font: 400 .85rem/1.8 var(--mono); color: var(--t2); white-space: pre-wrap; word-break: break-all; }
.ic-term pre .p { color: var(--lime); }
.ic-term pre .c { color: var(--t3); }
.ic-term .ic-btns { margin-top: 18px; }

/* ── 05 Règles ─────────────────────────────────────────── */
.ic-rules { margin-top: 48px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: var(--line2); border: 1px solid var(--line2); border-radius: 18px; overflow: hidden; }
.ic-rules > div { background: var(--bg); padding: 32px; display: grid; grid-template-columns: 56px 1fr; gap: 8px 20px; }
.ic-rules .n { font: 500 .8rem/1 var(--mono); color: var(--lime); padding-top: 6px; }
.ic-rules h3 { margin: 0; font: 600 1.4rem/1.2 var(--head); letter-spacing: -.01em; }
.ic-rules p { grid-column: 2; margin: 0; color: var(--t2); line-height: 1.55; }

/* ── 06 Profils ────────────────────────────────────────── */
.ic-profiles { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.ic-prof { border: 1px solid var(--line2); border-radius: 16px; background: var(--panel); padding: 22px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ic-prof code { font-size: .78rem; color: var(--t3); word-break: break-all; }
.ic-prof code b { color: var(--t1); font-weight: 500; }
.ic-prof h3 { margin: 0; font: 600 1.25rem/1.25 var(--head); }
.ic-prof .base { font: 400 .75rem/1.5 var(--mono); color: var(--t3); }
.ic-prof .own { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.ic-prof .own span { font: 500 .78rem/1 var(--mono); padding: 7px 9px; border-radius: 7px; background: var(--lime-d); color: var(--lime); border: 1px solid rgba(197,255,65,.35); }
.ic-prof.yours { border-style: dashed; background: transparent; }
.ic-prof.yours .own span { background: transparent; color: var(--t2); border: 1px dashed var(--line2); }
.ic-prof.yours .ic-link { margin-top: 4px; }
.ic-envelope { margin-top: 18px; font: 400 .8rem/1.6 var(--mono); color: var(--t3); }
.ic-envelope b { color: var(--t2); font-weight: 500; }

/* ── 07 ohmGym ─────────────────────────────────────────── */
.ic-prod { margin-top: 48px; display: grid; grid-template-columns: 300px minmax(0,1fr); gap: 56px; align-items: center; border: 1px solid var(--line2); border-radius: 22px; background: var(--panel); padding: 40px; }
.ic-prod-shot { width: 260px; margin: 0 auto; border-radius: 34px; padding: 9px; background: #000; border: 1px solid var(--line2); box-shadow: 0 30px 80px -30px rgba(0,0,0,.9); }
.ic-prod-shot video { width: 100%; aspect-ratio: 9 / 19.5; object-fit: cover; border-radius: 26px; background: #000; }
.ic-prod-logo { display: flex; align-items: center; gap: 12px; }
.ic-prod-logo img { width: 44px; height: 44px; object-fit: contain; }
.ic-prod-logo > span { font: 600 1.6rem/1 var(--head); letter-spacing: -.02em; }
.ic-prod-logo span em { color: var(--lime); font-style: normal; }
.ic-prod > div:last-child > p { color: var(--t2); font-size: 1.05rem; margin: 16px 0 0; max-width: 36rem; }
.ic-map { margin: 26px 0 0; padding: 0; list-style: none; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.ic-map li { background: var(--bg); display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; padding: 12px 16px; }
.ic-map li i { font: 600 .9rem/1 var(--mono); font-style: normal; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--lime-d); color: var(--lime); border: 1px solid rgba(197,255,65,.35); }
.ic-map li > span { color: var(--t1); font-size: .95rem; }
.ic-map li small { display: block; color: var(--t3); font-size: .82rem; }
.ic-prod .ic-btns { margin-top: 26px; }

/* ── 08 Lecteurs ───────────────────────────────────────── */
.ic-readers { margin-top: 48px; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.ic-reader { border-top: 2px solid var(--lime); padding-top: 20px; }
.ic-reader svg { width: 26px; height: 26px; fill: none; stroke: var(--lime); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ic-reader h3 { margin: 16px 0 0; font: 600 1.3rem/1.2 var(--head); }
.ic-reader p { margin: 8px 0 0; color: var(--t2); line-height: 1.5; }
.ic-reader .bar { margin-top: 14px; font: 500 .75rem/1.4 var(--mono); color: var(--t3); }
.ic-reader .bar b { color: var(--lime); font-weight: 500; }

/* ── 09 Construire ─────────────────────────────────────── */
.ic-build { padding: 112px 0; border-top: 1px solid var(--line); background: radial-gradient(60% 80% at 50% 0%, rgba(197,255,65,.09), transparent 70%); }
.ic-build-box { border: 1px solid rgba(197,255,65,.4); border-radius: 26px; background: rgba(17,20,25,.9); padding: 56px; }
.ic-build-steps { margin-top: 44px; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; counter-reset: s; }
.ic-build-steps a { display: block; border: 1px solid var(--line2); border-radius: 16px; padding: 22px; background: var(--bg); transition: border-color .2s, transform .2s; }
.ic-build-steps a:hover { border-color: var(--lime); transform: translateY(-2px); }
.ic-build-steps .n { font: 500 .75rem/1 var(--mono); color: var(--lime); }
.ic-build-steps b { display: block; margin-top: 14px; font: 600 1.2rem/1.2 var(--head); }
.ic-build-steps p { margin: 8px 0 0; color: var(--t2); font-size: .92rem; line-height: 1.5; }
.ic-build-steps code { color: var(--t1); font-size: .85em; }
.ic-build-mail { margin-top: 40px; padding-top: 32px; border-top: 1px dashed var(--line2); display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.ic-build-mail p { margin: 0 0 8px; color: var(--t2); }
.ic-build-mail a.mail { font: 600 clamp(1.5rem, 3.4vw, 2.4rem)/1.1 var(--head); letter-spacing: -.02em; color: var(--lime); word-break: break-all; }
.ic-build-mail a.mail:hover { text-decoration: underline; text-underline-offset: 6px; }

/* ── Questions, équipe ─────────────────────────────────── */
.ic-faq { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 64px; align-items: start; }
.ic-acc details { border-bottom: 1px solid var(--line); }
.ic-acc details:first-child { border-top: 1px solid var(--line); }
.ic-acc summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; padding: 20px 0; font: 600 1.1rem/1.3 var(--head); }
.ic-acc summary::-webkit-details-marker { display: none; }
.ic-acc summary::after { content: "+"; font: 400 1.4rem/1 var(--mono); color: var(--lime); transition: transform .2s; }
.ic-acc details[open] summary::after { transform: rotate(45deg); }
.ic-acc p { margin: 0 0 20px; color: var(--t2); max-width: 40rem; }
.ic-team { margin-top: 36px; display: grid; gap: 12px; }
.ic-team figure { margin: 0; display: flex; align-items: center; gap: 14px; }
.ic-team img { width: 48px; height: 48px; border-radius: 12px; object-fit: cover; filter: grayscale(.2); }
.ic-team b { display: block; font: 600 1rem/1.2 var(--head); }
.ic-team figcaption > span { display: block; font: 400 .78rem/1.4 var(--mono); color: var(--t3); }

/* ── Pied de page ──────────────────────────────────────── */
.ic-foot { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--bg); }
.ic-foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.ic-foot p { color: var(--t3); font-size: .9rem; max-width: 22rem; margin: 14px 0 0; }
.ic-foot h4 { margin: 0 0 14px; font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--t3); }
.ic-foot-grid > div > a:not(.ic-brand) { display: block; color: var(--t2); font-size: .92rem; padding: 4px 0; }
.ic-foot-grid > div > a:not(.ic-brand):hover { color: var(--lime); }
.ic-foot-legal { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 400 .78rem/1.4 var(--mono); color: var(--t3); }

/* ── Écrans étroits ────────────────────────────────────── */
@media (max-width: 1000px) {
  .ic-hero-grid, .ic-why, .ic-anat, .ic-anchor, .ic-faq { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .ic-prod { grid-template-columns: minmax(0,1fr); }
  .ic-profiles, .ic-readers, .ic-build-steps { grid-template-columns: minmax(0,1fr); }
  .ic-foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .ic-sec, .ic-build { padding: 80px 0; }
  .ic-hero { padding-top: 48px; }
  .ic-facts { grid-template-columns: minmax(0,1fr); margin-top: 56px; }
  .ic-facts > div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .ic-facts > div:first-child { border-top: 0; }
  .ic-evid-h { display: none; }
  .ic-evid-r { grid-template-columns: 1fr 90px; }
  .ic-evid-r p { grid-column: 1 / -1; grid-row: 2; }
  .ic-figs { grid-template-columns: minmax(0,1fr); }
  .ic-rules { grid-template-columns: minmax(0,1fr); }
  .ic-rules > div { padding: 24px; grid-template-columns: 40px 1fr; }
  .ic-term { grid-template-columns: minmax(0,1fr); }
  .ic-term > div + div { border-left: 0; border-top: 1px solid var(--line2); }
  .ic-build-box { padding: 28px 22px; }
  .ic-prod { padding: 24px; }
  .ic-sign { flex-direction: column; align-items: flex-start; }
  /* Les six signaux passent en lignes, la barre devient horizontale */
  .ic-gauge { grid-template-columns: minmax(0,1fr); gap: 10px; margin-top: 32px; }
  .ic-sig { display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: center; }
  .ic-sig .bar { height: 56px; width: 64px; justify-content: center; align-items: center; padding: 0; border-radius: 10px; }
  .ic-sig .bar b { font-size: 1.5rem; }
  .ic-sig strong { margin-top: 0; }
  .ic-sig { padding-top: 0; }
  .ic-sig.bar-at { margin-top: 18px; }
  .ic-sig > .tag { top: -20px; left: 0; font-size: .62rem; padding: 4px 6px; }
  .ic-axis { display: none; }
  .ic-foot-grid { grid-template-columns: minmax(0,1fr); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

/* site.css réduit le h1 en français pour ohmgym.app ; ici le titre garde sa taille. */
html[lang="fr"] .ic-h1 { font-size: clamp(2.3rem, 5vw, 4.2rem); }