/* ============================================================
   APAIA Intelligence — design system
   Concept : « Le signal dans le bruit » — esthétique de note de
   synthèse / briefing éditorial. Papier chaud, encre, outremer.
   ============================================================ */

:root {
  /* Palette dérivée du logo APAIA Technology :
     bleu ciel #5fc0d6 (AP·A) et bleu profond #2c5f7d (AI). */
  --paper: #f7fbfd;
  --paper-2: #ecf4f8;
  --paper-3: #dfecf2;
  --ink: #14323f;
  --ink-soft: #4e6b78;
  --line: rgba(20, 50, 63, 0.14);
  --line-strong: rgba(20, 50, 63, 0.32);
  --accent: #2a8fb5;
  --accent-ink: #1d6f92;
  --accent-soft: rgba(42, 143, 181, 0.09);
  --signal: #5fc0d6;
  --logo-light: #5fc0d6;
  --logo-dark: #2c5f7d;
  --ok: #1c7c54;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Instrument Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", "Consolas", monospace;

  --wmax: 1228px; /* 1180px de contenu + 2 × 24px de marge interne */
  --radius: 3px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--paper); }

/* Grain — texture papier très subtile */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.wrap {
  width: 100%;
  max-width: var(--wmax);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- Typographie ---------- */

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 480;
  letter-spacing: -0.015em;
  line-height: 1.06;
  font-variation-settings: "opsz" 100;
}

h1 { font-size: clamp(42px, 6.2vw, 82px); }
h2 { font-size: clamp(30px, 4vw, 52px); }
h3 { font-size: clamp(21px, 2.2vw, 27px); line-height: 1.2; }

.lede {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
}

em.accent { font-style: italic; color: var(--accent-ink); }

.kicker {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 12px;
}
.kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.kicker .num { color: var(--accent-ink); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s;
}
.site-header.scrolled { border-bottom-color: var(--line); }

.site-header .bar {
  width: 100%;
  max-width: var(--wmax);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

/* Logo APAIA Technology — reconstruit en HTML/CSS fidèle à la charte :
   AP·A en bleu ciel, AI en bleu profond, « Technology » espacé dessous. */
.logo-block { display: flex; flex-direction: column; align-items: center; line-height: 1; }
.logo {
  font-family: "Poppins", var(--font-body);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.05em;
  color: var(--logo-light);
}
.logo b { color: var(--logo-dark); font-weight: 700; }
.logo-sub {
  font-family: "Poppins", var(--font-body);
  font-weight: 600;
  font-size: 6.8px;
  letter-spacing: 0.5em;
  margin-right: -0.5em; /* compense le tracking pour rester centré */
  text-transform: uppercase;
  color: var(--logo-light);
  margin-top: 2px;
}

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  font-size: 15px;
  padding: 8px 13px;
  border-radius: 99px;
  color: var(--ink-soft);
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover { color: var(--ink); background: var(--accent-soft); }
.site-nav a[aria-current="page"] { color: var(--accent-ink); font-weight: 600; }

/* Sélecteur de langue */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
}
.lang-switch span { color: var(--line-strong); }
.site-nav .lang-switch a {
  padding: 6px 7px;
  border-radius: 6px;
  color: var(--ink-soft);
}
.site-nav .lang-switch a:hover { color: var(--ink); background: var(--accent-soft); }
.site-nav .lang-switch a[aria-current] {
  color: var(--accent-ink);
  font-weight: 600;
}

/* CTA du header : neutralise les styles génériques .site-nav a */
.site-nav a.btn {
  color: var(--paper);
  padding: 9px 18px;
  font-weight: 600;
}
.site-nav a.btn:hover { background: var(--accent); color: var(--paper); }

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 99px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.btn .arr { transition: transform 0.25s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn.ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

.btn.small { padding: 9px 18px; font-size: 14px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 172px 0 96px;
  overflow: hidden;
}
.hero .wrap { position: relative; z-index: 2; }

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.9;
}

.hero .kicker { margin-bottom: 26px; }
.hero h1 { max-width: 15ch; }
.hero h1 .u {
  font-style: italic;
  color: var(--accent-ink);
  position: relative;
  white-space: nowrap;
}
.hero .lede { margin: 28px 0 38px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.hero .meta-row {
  margin-top: 78px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 42px;
  flex-wrap: wrap;
}
.hero .meta-row .m {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 9px;
}
.hero .meta-row .m::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* Pages intérieures : hero plus court */
.hero.inner { padding: 158px 0 72px; }
.hero.inner h1 { font-size: clamp(38px, 5vw, 66px); max-width: 22ch; }

/* ---------- Sections ---------- */

section.band { padding: 96px 0; }
section.band.tight { padding: 72px 0; }
section.band + section.band { border-top: 1px solid var(--line); }

.band-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 54px;
  flex-wrap: wrap;
}
.band-head h2 { max-width: 22ch; margin-top: 16px; }
.band-head .side { max-width: 38ch; color: var(--ink-soft); font-size: 16px; }

/* ---------- Cartes ---------- */

.grid { display: grid; gap: 22px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--paper) 55%, #fff 45%);
  padding: 30px 28px;
  position: relative;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px -22px rgba(20, 50, 63, 0.35);
}
.card .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  margin-bottom: 18px;
  display: block;
}
.card h3 { margin-bottom: 12px; }
.card p { color: var(--ink-soft); font-size: 15.5px; }
.card .icon { margin-bottom: 22px; color: var(--accent-ink); }

a.card { display: block; }
a.card .more {
  margin-top: 20px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
a.card:hover .more .arr { transform: translateX(4px); }
a.card .more .arr { transition: transform 0.25s var(--ease); }

/* Carte « problème » : liseré signal */
.card.problem { border-top: 3px solid var(--signal); }
.card.problem .idx { color: var(--signal); }

/* ---------- Bande sombre ---------- */

.band.dark {
  background: var(--ink);
  color: var(--paper);
  border-top: none;
}
.band.dark .kicker { color: #b9cdd8; }
.band.dark .kicker::before { background: var(--signal); }
.band.dark .lede, .band.dark .card p, .band.dark .band-head .side { color: #b9cdd8; }
.band.dark .card {
  background: rgba(247, 251, 253, 0.04);
  border-color: rgba(247, 251, 253, 0.14);
}
.band.dark .card:hover { border-color: rgba(247, 251, 253, 0.4); box-shadow: none; }
.band.dark .card .idx { color: #7fd0e4; }
.band.dark .card.problem .idx { color: var(--signal); }
.band.dark em.accent { color: #7fd0e4; }
.band.dark .kicker .num { color: #7fd0e4; }
.band.dark .stat-row { border-color: rgba(247, 251, 253, 0.16); }
.band.dark .stat { border-right-color: rgba(247, 251, 253, 0.16); }
.band.dark .stat .n { color: #7fd0e4; }
.band.dark .stat .l { color: #b9cdd8; }
.band.dark .quote { border-left-color: #5fc0d6; }
.band.dark .quote .who { color: #7e9aa8; }
.band.dark .quote .who b { color: var(--paper); }
@media (max-width: 720px) {
  .band.dark .stat { border-bottom-color: rgba(247, 251, 253, 0.16); }
}
.band.dark .btn { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.band.dark .btn:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

/* ---------- Éléments de preuve / stats ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  padding: 34px 30px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat .n {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 460;
  color: var(--accent-ink);
  line-height: 1;
}
.stat .l { margin-top: 10px; color: var(--ink-soft); font-size: 15px; max-width: 24ch; }

/* ---------- Verbatim ---------- */

.quote {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 28px;
}
.quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 440;
  font-style: italic;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.quote .who {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.quote .who b { color: var(--ink); font-weight: 600; }

/* ---------- Pipeline (page Comment) ---------- */

.pipeline { position: relative; margin-top: 20px; }
.pipeline .rail {
  position: absolute;
  left: 27px; top: 0; bottom: 0;
  width: 1px;
  background: var(--line);
}
.pipeline .rail .fill {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 0%;
  background: var(--accent);
  transition: height 0.1s linear;
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 34px;
  padding: 42px 0;
}
.step + .step { border-top: 1px dashed var(--line); }
.step .node {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent-ink);
  position: relative;
  z-index: 2;
  transition: background 0.4s, color 0.4s, border-color 0.4s;
}
.step.active .node { background: var(--accent); border-color: var(--accent); color: #fff; }
.step .body h3 { margin-bottom: 10px; }
.step .body p { color: var(--ink-soft); max-width: 62ch; }
.step .chips { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--ink-soft);
  background: color-mix(in srgb, var(--paper) 60%, #fff 40%);
}
.chip.on { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }

/* ---------- Maquette newsletter ---------- */

.mock-mail {
  color: var(--ink); /* reste lisible sur les bandes sombres */
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fdfeff;
  box-shadow: 0 30px 70px -35px rgba(20, 50, 63, 0.45);
  overflow: hidden;
  max-width: 460px;
}
.mock-mail .mm-top {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.mock-mail .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--paper-3); border: 1px solid var(--line); }
.mock-mail .mm-sub {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-mail .mm-body { padding: 26px 26px 30px; }
.mock-mail .mm-head {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 520;
  letter-spacing: -0.01em;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.mock-mail .mm-head .ed { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); letter-spacing: 0.08em; }
.mm-item { padding: 16px 0; border-bottom: 1px dashed var(--line); }
.mm-item:last-child { border-bottom: none; padding-bottom: 0; }
.mm-item .src {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.mm-item .src .score { color: var(--ok); }
.mm-item .t { font-weight: 600; font-size: 14.5px; line-height: 1.35; }
.mm-item .s { font-size: 13px; color: var(--ink-soft); margin-top: 5px; line-height: 1.5; }

/* ---------- Maquette portail admin ---------- */

.mock-admin {
  color: var(--ink); /* reste lisible sur les bandes sombres */
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fdfeff;
  box-shadow: 0 30px 70px -35px rgba(20, 50, 63, 0.45);
  overflow: hidden;
  font-size: 13px;
}
.mock-admin .ma-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.mock-admin .ma-grid { display: grid; grid-template-columns: 1.2fr 1fr; }
.mock-admin .ma-list { border-right: 1px solid var(--line); }
.ma-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px dashed var(--line);
}
.ma-row:last-child { border-bottom: none; }
.ma-row .name { font-weight: 600; font-size: 13.5px; }
.ma-row .sub { font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); margin-top: 2px; }
.ma-row .pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 10px;
  border-radius: 99px;
  flex: none;
}
.pill.live { background: rgba(28, 124, 84, 0.12); color: var(--ok); }
.pill.draft { background: rgba(20, 50, 63, 0.07); color: var(--ink-soft); }
.mock-admin .ma-chart { padding: 18px; }
.mock-admin .ma-chart .ct {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.bars { display: flex; align-items: flex-end; gap: 7px; height: 96px; }
.bars .b {
  flex: 1;
  background: var(--accent);
  opacity: 0.85;
  border-radius: 2px 2px 0 0;
  min-height: 8px;
  transform-origin: bottom;
  animation: barIn 0.9s var(--ease) both;
}
.bars .b:nth-child(even) { opacity: 0.45; }
@keyframes barIn { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* ---------- Flux Input → Output (page Plateforme) ---------- */

.io-flow {
  display: grid;
  grid-template-columns: 1fr 74px 1.15fr;
  gap: 26px;
  align-items: center;
}
.io-col .io-card {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 55%, #fff 45%);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.io-col .io-card .l {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 5px;
}
.io-col .io-card .v { font-weight: 600; font-size: 15.5px; }
.io-arrow { color: var(--accent-ink); display: grid; place-items: center; }
.io-arrow svg { overflow: visible; }
.io-arrow .dashline { stroke-dasharray: 6 7; animation: dashMove 1.4s linear infinite; }
@keyframes dashMove { to { stroke-dashoffset: -13; } }

/* ---------- Marquee sujets ---------- */

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  position: relative;
}
.marquee .track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee:hover .track { animation-play-state: paused; }
.marquee .item {
  font-family: var(--font-display);
  font-size: 21px;
  font-style: italic;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 48px;
  white-space: nowrap;
}
.marquee .item::after { content: "✳"; font-style: normal; font-size: 14px; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Formulaire démo ---------- */

.demo-box {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper) 40%, #fff 60%);
  padding: 40px;
}
.demo-box form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 15.5px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fdfeff;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.demo-box .actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.demo-box .note { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- CTA final ---------- */

.cta-final { text-align: center; padding: 120px 0; }
.cta-final h2 { max-width: 20ch; margin: 18px auto 16px; }
.cta-final .lede { margin: 0 auto 36px; }
.cta-final .kicker { justify-content: center; }
.cta-final .kicker::before { display: none; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: #b9cdd8;
  padding: 72px 0 40px;
}
.site-footer .top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(247, 251, 253, 0.14);
}
.site-footer .logo { font-size: 27px; }
.site-footer .logo b { color: #9fc6da; } /* bleu profond éclairci, lisible sur fond sombre */
.site-footer .logo-sub { font-size: 8.5px; }
.site-footer .cols { display: flex; gap: 72px; flex-wrap: wrap; }
.site-footer .col h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
  color: #7e9aa8;
}
.site-footer .col a { display: block; padding: 4px 0; font-size: 15px; transition: color 0.2s; }
.site-footer .col a:hover { color: var(--paper); }
.site-footer .legal {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: #7e9aa8;
}

/* ---------- Divers composants de contenu ---------- */

.checklist {
  list-style: none;
  margin-top: 26px;
  display: grid;
  gap: 12px;
}
.checklist li {
  position: relative;
  padding-left: 34px;
  color: var(--ink-soft);
  font-size: 16px;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
}
.checklist li::after {
  content: "";
  position: absolute;
  left: 5px; top: 8px;
  width: 8px; height: 4px;
  border-left: 1.6px solid var(--accent-ink);
  border-bottom: 1.6px solid var(--accent-ink);
  transform: rotate(-45deg);
}

.ref-sector {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 14px;
}
.ref-name {
  font-family: var(--font-display);
  font-weight: 480;
  line-height: 1.25;
}

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(42, 143, 181, 0.09);
  color: var(--accent-ink);
  padding: 1px 7px;
  border-radius: 4px;
}
.band.dark code { background: rgba(127, 208, 228, 0.14); color: #7fd0e4; }

.site-footer .baseline {
  margin-top: 16px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  color: #b9cdd8;
  line-height: 1.5;
}

/* ---------- Reveal on scroll ---------- */

.rv {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}
.rv.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .marquee .track { animation: none; }
  .bars .b { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .grid.c3, .grid.c4 { grid-template-columns: 1fr 1fr; }
  .io-flow { grid-template-columns: 1fr; }
  .io-arrow { transform: rotate(90deg); padding: 4px 0; }
  .mock-admin .ma-grid { grid-template-columns: 1fr; }
  .mock-admin .ma-list { border-right: none; border-bottom: 1px solid var(--line); }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-nav a:not(.btn) { display: none; }
  .site-nav .lang-switch a { display: inline-block; } /* le sélecteur de langue reste visible */
  .site-nav a.btn { padding: 8px 14px; font-size: 13.5px; white-space: nowrap; }
  .grid.c3, .grid.c2, .grid.c4 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
  .hero { padding-top: 140px; }
  .demo-box { padding: 26px; }
  .demo-box form { grid-template-columns: 1fr; }
  .step { grid-template-columns: 44px 1fr; gap: 20px; }
  .step .node { width: 44px; height: 44px; }
  .pipeline .rail { left: 21px; }
  .brand .tag { display: none; }
}