/* Gná — site de présentation
   Palette reprise de l'interface de connexion. */

:root {
  --bg: #0E1116;
  --surface: #161B22;
  --surface-2: #1C222B;
  --border: #30363D;
  --text: #E6E9EF;
  --muted: #8B949E;
  --accent: #5FB3A1;
  --accent-strong: #5FB3A1;
  --accent-ink: #0E1116;
  --accent-soft: rgba(95, 179, 161, .12);
  --accent-deep: #2C6853;
  --warn: #D9A35B;
  --rec: #E5534B;
  --ring-opacity: .10;
  --shadow: 0 20px 50px rgba(0, 0, 0, .45);
  --radius: 12px;
  --font: "Noto Sans", system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "DejaVu Sans Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F6F8FA;
    --surface: #FFFFFF;
    --surface-2: #F0F3F6;
    --border: #D0D7DE;
    --text: #1F2328;
    --muted: #59636E;
    --accent: #2F8F7B;
    --accent-strong: #2F8F7B;
    --accent-ink: #FFFFFF;
    --accent-soft: rgba(47, 143, 123, .10);
    --accent-deep: #9FD3C6;
    --warn: #9A6700;
    --ring-opacity: .14;
    --shadow: 0 20px 50px rgba(31, 35, 40, .12);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #F6F8FA;
  --surface: #FFFFFF;
  --surface-2: #F0F3F6;
  --border: #D0D7DE;
  --text: #1F2328;
  --muted: #59636E;
  --accent: #2F8F7B;
  --accent-strong: #2F8F7B;
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(47, 143, 123, .10);
  --accent-deep: #9FD3C6;
  --warn: #9A6700;
  --ring-opacity: .14;
  --shadow: 0 20px 50px rgba(31, 35, 40, .12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: .05em .35em; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.08rem; font-weight: 700; }
p { margin: 0 0 1em; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.center { text-align: center; }
.accent { color: var(--accent); }
.eyebrow {
  color: var(--accent); font-size: .78rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: .8em;
}

/* ---------- barre du haut ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; font-size: 1.2rem; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 8px; }
.brand small { color: var(--muted); font-weight: 500; font-size: .8rem; margin-left: 4px; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.topbar-actions { display: flex; gap: 6px; }
.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: 9px;
  background: var(--surface); color: var(--text); cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.menu-btn { display: none; }
.i-moon { display: none; }
:root[data-theme="light"] .i-sun { display: none; }
:root[data-theme="light"] .i-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .i-sun { display: none; }
  :root:not([data-theme="dark"]) .i-moon { display: block; }
}

/* ---------- boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 22px; border-radius: 9px;
  font-weight: 650; font-size: 1rem; border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 88px 0 96px; }
.hero-ring {
  position: absolute; width: 820px; max-width: none; right: -230px; top: 50%;
  transform: translateY(-50%); opacity: var(--ring-opacity); pointer-events: none;
  animation: spin 240s linear infinite;
}
@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }
.hero-in { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 26px; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--muted); font-size: .92rem; }
.hero-facts li::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 8px; background: var(--accent); transform: rotate(45deg) translateY(-2px); }

.hero-visual { position: relative; min-height: 480px; }
.mock-term {
  position: absolute; inset: 0 0 auto 0; margin-left: 40px;
  background: #0B0E12; border: 1px solid #30363D; border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #161B22; border-bottom: 1px solid #30363D; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: #30363D; }
.mock-title { margin-left: 8px; color: #8B949E; font: 500 .82rem var(--mono); }
.rec {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  color: var(--rec); font: 700 .72rem var(--mono); letter-spacing: .08em;
}
.rec::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--rec); animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 50% { opacity: .25; } }
.mock-body { margin: 0; padding: 18px 18px 26px; color: #C9D1D9; font: .84rem/1.7 var(--mono); white-space: pre-wrap; word-break: break-word; }
.mock-body .p { color: #5FB3A1; }
.cursor { animation: blink 1.1s steps(1) infinite; color: #5FB3A1; }

.mock-login {
  position: absolute; left: 0; bottom: 0; width: 300px;
  background: #161B22; border: 1px solid #30363D; border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); color: #E6E9EF;
}
.ml-head { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.ml-head img { border-radius: 9px; }
.ml-head strong { display: block; font-size: 1.15rem; }
.ml-head small { color: #8B949E; font-size: .8rem; }
.mock-login label { display: block; color: #8B949E; font-size: .78rem; margin: 10px 0 5px; }
.ml-input { height: 36px; background: #0E1116; border: 1px solid #30363D; border-radius: 7px; }
.ml-otp { display: flex; gap: 8px; align-items: center; padding: 0 12px; font: 600 .95rem var(--mono); color: #E6E9EF; letter-spacing: .1em; }
.ml-otp span:nth-child(n+4) { color: #484F58; }
.ml-btn { margin-top: 16px; height: 38px; border-radius: 7px; display: grid; place-items: center; background: #5FB3A1; color: #0E1116; font-weight: 700; font-size: .9rem; }

/* ---------- sections ---------- */
.section { padding: 88px 0; border-top: 1px solid var(--border); }
.section-alt { background: var(--surface); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p:last-child { color: var(--muted); font-size: 1.05rem; }

/* principe */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 0; }
.flow-node {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px;
  padding: 26px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--muted);
}
.flow-node strong { color: var(--text); }
.flow-node span { font-size: .86rem; }
.flow-node svg { color: var(--accent); margin-bottom: 4px; }
.flow-core { border-color: var(--accent); background: var(--accent-soft); }
.flow-core img { border-radius: 9px; margin-bottom: 2px; }
.flow-link { position: relative; width: 120px; height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 8px, transparent 8px 14px); }
.flow-link::after { content: ""; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left-color: var(--accent); border-right: 0; }
.flow-link span {
  position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); white-space: nowrap;
  font: 600 .74rem var(--mono); color: var(--accent); letter-spacing: .04em;
}

/* cartes */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card p { color: var(--muted); font-size: .95rem; margin: 0; }
.card-ico {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 16px;
}
.card-ico svg { width: 24px; height: 24px; }

/* split */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.split-top { align-items: start; }
.split > *, .hero-in > * { min-width: 0; }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 34px; color: var(--muted); }
.checks li b { color: var(--text); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px;
  background: var(--accent-soft) url("assets/check.svg") center / 14px no-repeat;
}

.callout {
  margin-top: 24px; padding: 16px 18px; border-radius: 10px;
  border: 1px solid var(--accent); background: var(--accent-soft); color: var(--muted); font-size: .95rem;
}
.callout strong { display: block; color: var(--text); margin-bottom: 2px; }
.callout-warn { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }

/* application */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.steps li { counter-increment: s; position: relative; padding-left: 50px; color: var(--muted); }
.steps li b { color: var(--text); }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px; width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 800;
}
.downloads { display: grid; gap: 12px; }
.dl {
  display: grid; grid-template-columns: 90px 1fr; grid-template-rows: auto auto; column-gap: 16px;
  padding: 16px 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text);
}
a.dl:hover { border-color: var(--accent); text-decoration: none; }
.dl-os { grid-row: span 2; align-self: center; font-weight: 800; }
.dl-file { font: 600 .9rem var(--mono); color: var(--accent); }
.dl-meta { font-size: .85rem; color: var(--muted); }
.dl-off { opacity: .65; }
.dl-off .dl-file { color: var(--muted); }

.relay {
  margin: 48px auto 14px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px;
  font-size: .92rem;
}
.relay span { padding: 9px 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.relay i { font-style: normal; font: 600 .74rem var(--mono); color: var(--accent); }
.relay i::after { content: " →"; }

/* installation */
.code { position: relative; margin: 22px 0 14px; }
.code pre {
  margin: 0; padding: 20px 22px; overflow-x: auto; border-radius: var(--radius);
  background: #0B0E12; border: 1px solid #30363D; color: #E6E9EF; font: .88rem/1.75 var(--mono);
}
.code pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.code .c { color: #6E7681; }
.copy {
  position: absolute; top: 10px; right: 10px; padding: 5px 10px; border-radius: 6px; cursor: pointer;
  background: #161B22; color: #8B949E; border: 1px solid #30363D; font: 600 .75rem var(--font);
}
.copy:hover { color: #5FB3A1; border-color: #5FB3A1; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; font-size: .93rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
tr:last-child td { border-bottom: 0; }

/* mythologie */
.myth { background: radial-gradient(ellipse at 25% 50%, var(--accent-soft), transparent 60%); }
.myth-art { position: relative; aspect-ratio: 1; max-width: 420px; width: 100%; margin: 0 auto; display: grid; place-items: center; }
.myth-ring { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; animation: spin2 180s linear infinite; }
@keyframes spin2 { to { transform: rotate(-360deg); } }
.myth-rune { width: 46%; color: var(--accent); filter: drop-shadow(0 0 24px color-mix(in srgb, var(--accent) 45%, transparent)); }
.runes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.runes > div {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px;
  padding: 18px 10px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
}
.rune { width: 22px; height: 38px; color: var(--accent); margin-bottom: 6px; }
.runes small { color: var(--muted); font-size: .8rem; line-height: 1.4; }

/* feuille de route */
.roadmap { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.roadmap li {
  display: flex; flex-direction: column; gap: 12px; padding: 18px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg); font-size: .92rem;
}
.roadmap span {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: .9rem;
}

/* pied de page */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer p { margin: 0; max-width: 560px; }

/* ---------- ajouts v0.11 ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
  padding: 5px 14px 5px 5px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--muted); font-size: .88rem;
}
.pill b { background: var(--accent); color: var(--accent-ink); border-radius: 999px; padding: 2px 10px; font-size: .78rem; }
.pill:hover { border-color: var(--accent); color: var(--text); text-decoration: none; }
.nav .nav-doc { color: var(--accent); font-weight: 650; }
.mock-tabs { display: flex; align-items: stretch; gap: 2px; padding: 8px 8px 0; background: #0E1116; border-bottom: 1px solid #30363D; overflow: hidden; }
.tab {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; white-space: nowrap;
  border: 1px solid transparent; border-bottom: 0; border-radius: 7px 7px 0 0;
  color: #8B949E; font: 500 .76rem var(--font);
}
.tab.on { background: #161B22; border-color: #30363D; color: #E6E9EF; margin-bottom: -1px; }
.st { width: 7px; height: 7px; border-radius: 50%; background: #5FB3A1; }
.recdot { width: 6px; height: 6px; border-radius: 50%; background: var(--rec); }
.tab-more { margin-left: auto; align-self: center; padding: 3px 9px; border: 1px solid #30363D; border-radius: 6px; color: #8B949E; font-size: .72rem; white-space: nowrap; }
.mock-bar .mock-title { margin-left: 0; }
.sync { margin-left: auto; padding: 2px 8px; border: 1px solid #D9873B; border-radius: 5px; color: #E6A15B; font: 600 .7rem var(--font); }
.sync + .rec { margin-left: 12px; }
.mock-term:has(.sync) { border-color: #D9873B; }
.more { margin: 32px 0 0; font-weight: 600; }
.narrow { max-width: 760px; margin: 40px auto 0; }
.dl-main { border-color: var(--accent); background: var(--accent-soft); }
.dl { grid-template-columns: 110px 1fr; }
.roadmap li.last { border-color: var(--accent); background: var(--accent-soft); }
.roadmap small { color: var(--accent); font-size: .78rem; font-weight: 600; margin-top: -6px; }
.footer-links { display: flex; gap: 20px; font-weight: 600; font-size: .95rem; }

/* ---------- page documentation ---------- */
.t-rec { color: var(--rec); }
.t-sync { color: #E6A15B; }
.hash { display: block; margin-top: 6px; font: .72rem/1.4 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.dl-sums { font-size: .88rem; text-align: right; }
.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; padding-top: 40px; padding-bottom: 96px; }
.toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; padding-right: 8px; }
.toc summary { display: none; }
.toc p { margin: 18px 0 6px; color: var(--muted); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.toc p:first-of-type { margin-top: 0; }
.toc a { display: block; padding: 5px 12px; border-left: 2px solid var(--border); color: var(--muted); font-size: .92rem; }
.toc a:hover { color: var(--text); text-decoration: none; border-left-color: var(--muted); }
.toc a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }
.doc { max-width: 800px; }
.doc-head { padding-bottom: 28px; margin-bottom: 8px; border-bottom: 1px solid var(--border); }
.doc-head h1 { font-size: clamp(2rem, 4vw, 2.6rem); }
.doc-head .lead { margin: 0; }
.doc section { padding-top: 28px; }
.doc h2 { font-size: 1.6rem; margin: 28px 0 14px; padding-top: 4px; }
.doc h3 { font-size: 1.12rem; margin: 30px 0 10px; }
.doc p, .doc li { color: color-mix(in srgb, var(--text) 88%, var(--muted)); }
.doc ul, .doc ol { padding-left: 1.3em; margin: 0 0 1em; }
.doc li { margin: 6px 0; }
.doc li::marker { color: var(--accent); }
.doc .code { margin: 14px 0 18px; }
.doc table { margin: 14px 0 22px; font-size: .9rem; }
.doc td code { overflow-wrap: anywhere; }
.doc .callout { margin: 18px 0; }
.anchor { color: var(--border); margin-left: 8px; font-weight: 400; opacity: 0; }
.doc h2:hover .anchor, .doc h3:hover .anchor { opacity: 1; }
kbd {
  font: 600 .8em var(--mono); padding: .1em .45em; border-radius: 5px;
  border: 1px solid var(--border); border-bottom-width: 2px; background: var(--surface);
}
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .75rem; font-weight: 700; background: var(--accent-soft); color: var(--accent); vertical-align: middle; }
.doc-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-in, .split { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { min-height: 0; display: grid; gap: 16px; }
  .mock-term, .mock-login { position: static; margin: 0; }
  .mock-login { width: min(340px, 100%); justify-self: end; margin-top: -60px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; justify-items: center; }
  .docs { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 24px; }
  .toc { position: static; max-height: none; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 0; }
  .toc summary { display: block; padding: 14px 18px; cursor: pointer; font-weight: 700; }
  .toc nav { padding: 0 18px 16px; }
  .flow-node { width: 100%; max-width: 360px; }
  .flow-link { width: 2px; height: 56px; background: repeating-linear-gradient(180deg, var(--accent) 0 8px, transparent 8px 14px); }
  .flow-link::after { right: -5px; top: auto; bottom: -2px; border: 6px solid transparent; border-top-color: var(--accent); border-bottom: 0; }
  .flow-link span { left: 14px; bottom: 50%; transform: translateY(50%); }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .menu-btn { display: grid; }
  .doc table { display: block; overflow-x: auto; }
  .doc-head h1 { overflow-wrap: anywhere; }
  .nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .topbar-actions { margin-left: auto; }
  .hero { padding: 56px 0 64px; }
  .hero-ring { width: 560px; right: -260px; }
  .mock-login { width: auto; justify-self: stretch; margin-top: 0; }
  .grid, .runes { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .relay { flex-direction: column; }
  .relay i::after { content: " ↓"; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

.checks li.checks-more { padding-left: 0; font-weight: 600; }
.checks li.checks-more::before { display: none; }