/* MARCEL — Site vitrine. CSS statique partagé (aucune dépendance JS). */
:root {
  --indigo: #352c6e;
  --indigo-deep: #26204f;
  --ink: #15122b;
  --muted: #524d73;
  --faint: #8a87a0;
  --bg: #fbfaff;
  --surface: #ffffff;
  --border: #e8e6f0;
  --blue: #2e5fe8;
  --green: #3f8a34;
  --amber: #a3891a;
  --red: #cc4f45;
  --green-bg: #ddf0d8;
  --amber-bg: #f3edb5;
  --red-bg: #fbe1de;
  --shadow-tile: 0 2px 8px -3px rgba(53, 44, 110, 0.08);
  --shadow-lift: 0 14px 40px -12px rgba(53, 44, 110, 0.22);
  --font-head: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg); color: var(--ink); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--indigo); color: #fff; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); }

/* ── Navigation ── */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(251, 250, 255, 0.86); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--indigo); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 800; font-size: 16px; }
.brand-name { font-family: var(--font-head); font-weight: 800; font-size: 18px; letter-spacing: -0.02em; color: var(--indigo); }
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: 12px; }
.nav-links a { font-size: 14px; font-weight: 600; color: var(--muted); padding: 6px 2px; border-bottom: 2px solid transparent; transition: color .15s ease, border-color .15s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--indigo); border-bottom-color: var(--indigo); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lang-switch { font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; color: var(--faint); border: 1px solid var(--border); border-radius: 8px; padding: 5px 10px; background: var(--surface); transition: color .15s ease, border-color .15s ease; }
.lang-switch:hover { color: var(--indigo); border-color: var(--indigo); }
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: 14px; border-radius: 10px; padding: 10px 20px; cursor: pointer; border: none; transition: background-color .15s ease, transform .15s ease, box-shadow .15s ease; }
.btn-primary { background: var(--indigo); color: #fff; box-shadow: 0 6px 18px -6px rgba(53, 44, 110, 0.45); }
.btn-primary:hover { background: var(--indigo-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--indigo); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--indigo); }
.btn-light { background: #fff; color: var(--indigo); }
.btn-light:hover { background: #efedf9; }
.burger { display: none; margin-left: auto; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--indigo); margin: 5px 0; border-radius: 2px; }
.mobile-menu { display: none; border-top: 1px solid var(--border); background: var(--surface); padding: 12px 24px 20px; }
.mobile-menu a { display: block; padding: 11px 4px; font-weight: 600; font-size: 15px; color: var(--muted); border-bottom: 1px solid var(--border); }
.mobile-menu.open { display: block; }

/* ── Hero ── */
.hero { padding: 92px 0 72px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -220px; right: -180px; width: 640px; height: 640px; border-radius: 50%; background: radial-gradient(closest-side, rgba(53, 44, 110, 0.09), transparent 70%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 64px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--indigo); background: #edeafa; border: 1px solid #ddd8f2; border-radius: 999px; padding: 6px 14px; margin-bottom: 22px; }
h1 { font-family: var(--font-head); font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 800; }
h1 .accent { color: var(--indigo); }
.lead { font-size: 18px; color: var(--muted); margin: 24px 0 34px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { font-size: 12.5px; color: var(--faint); margin-top: 18px; }

/* Mockup produit (CSS pur) */
.mock { position: relative; padding-bottom: 40px; }
.mock-window { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-lift); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: #f6f5fb; }
.mock-dot { width: 9px; height: 9px; border-radius: 50%; background: #d8d5e6; }
.mock-url { font-family: var(--font-mono); font-size: 10px; color: var(--faint); margin-left: 10px; }
.mock-body { padding: 16px; display: grid; gap: 12px; }
.mock-tile { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-tile); background: #fff; }
.mock-tile-head { display: flex; align-items: center; justify-content: space-between; padding: 9px 13px; font-family: var(--font-head); font-weight: 700; font-size: 12.5px; }
.mock-tile-head.g { background: var(--green-bg); } .mock-tile-head.a { background: var(--amber-bg); } .mock-tile-head.r { background: var(--red-bg); }
.chip { font-family: var(--font-head); font-size: 9px; font-weight: 800; letter-spacing: 0.04em; color: #fff; border-radius: 6px; padding: 2px 8px; }
.chip.g { background: var(--green); } .chip.a { background: var(--amber); } .chip.r { background: var(--red); }
.mock-tile-body { display: flex; align-items: center; gap: 14px; padding: 11px 13px; }
.ring { --pct: 70; --c: var(--green); width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0; background: conic-gradient(var(--c) calc(var(--pct) * 1%), #eeecf6 0); display: flex; align-items: center; justify-content: center; }
.ring i { font-style: normal; width: 34px; height: 34px; border-radius: 50%; background: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 10px; font-weight: 700; color: var(--ink); }
.mock-metrics { flex: 1; display: grid; gap: 5px; }
.mock-metric { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--faint); }
.mock-metric b { font-family: var(--font-mono); font-weight: 600; color: var(--ink); }
.mock-float { position: absolute; left: -22px; bottom: -54px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-lift); padding: 10px 16px; width: 190px; }
.mock-float .t { font-family: var(--font-head); font-size: 10.5px; font-weight: 800; color: var(--faint); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.mock-float .v { font-family: var(--font-mono); font-size: 20px; font-weight: 700; color: var(--indigo); }
.mock-float .s { font-size: 10px; color: var(--faint); }

/* ── Bandes / sections ── */
.section { padding: 84px 0; }
.section-tint { background: #f6f5fb; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.kicker { font-family: var(--font-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--indigo); margin-bottom: 14px; }
h2 { font-family: var(--font-head); font-size: clamp(1.6rem, 3.2vw, 2.3rem); letter-spacing: -0.02em; font-weight: 800; line-height: 1.15; max-width: 720px; }
.section-lead { color: var(--muted); font-size: 16.5px; margin-top: 16px; max-width: 640px; }

.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 8px; }
.strip-item { border-left: 3px solid var(--indigo); padding: 4px 0 4px 18px; }
.strip-item .v { font-family: var(--font-mono); font-weight: 700; font-size: 19px; color: var(--indigo); }
.strip-item .l { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ── Bento modules ── */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 48px; }
.bento-card { grid-column: span 2; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px; box-shadow: var(--shadow-tile); transition: transform .18s ease, box-shadow .18s ease; }
.bento-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.bento-card.wide { grid-column: span 3; }
.bento-icon { width: 40px; height: 40px; border-radius: 11px; background: #edeafa; color: var(--indigo); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.bento-icon svg { width: 20px; height: 20px; }
.bento-card h3 { font-family: var(--font-head); font-size: 17px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 8px; }
.bento-card p { font-size: 14px; color: var(--muted); }
.bento-card .tag { display: inline-block; font-family: var(--font-mono); font-size: 10px; font-weight: 600; color: var(--faint); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; margin: 12px 6px 0 0; }

/* ── Section IA (fond indigo) ── */
.dark { background: var(--indigo); color: #fff; }
.dark .kicker { color: #b9b0ec; }
.dark h2 { color: #fff; }
.dark .section-lead { color: #cdc7ee; }
.dark-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.dark-list { list-style: none; margin-top: 26px; display: grid; gap: 14px; }
.dark-list li { display: flex; gap: 12px; font-size: 15px; color: #e6e2f8; }
.dark-list li svg { flex-shrink: 0; margin-top: 3px; width: 18px; height: 18px; color: #9ff0a0; }
.terminal { background: var(--indigo-deep); border: 1px solid rgba(255,255,255,0.14); border-radius: 14px; padding: 20px 22px; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.9; color: #cdc7ee; box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5); }
.terminal .p { color: #9ff0a0; }
.terminal .w { color: #f5d47a; }
.terminal .hl { color: #fff; font-weight: 600; }

/* ── Confiance / entreprise ── */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.trust-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; }
.trust-card h3 { font-family: var(--font-head); font-size: 15px; font-weight: 800; margin-bottom: 6px; display: flex; align-items: center; gap: 9px; }
.trust-card h3 svg { width: 17px; height: 17px; color: var(--indigo); }
.trust-card p { font-size: 13.5px; color: var(--muted); }

/* ── CTA final ── */
.cta-band { background: var(--indigo); border-radius: 20px; padding: 56px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; box-shadow: var(--shadow-lift); }
.cta-band h2 { color: #fff; max-width: 520px; }
.cta-band p { color: #cdc7ee; margin-top: 10px; font-size: 15px; }

/* ── Page fonctionnalités ── */
.page-head { padding: 72px 0 48px; }
.module { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 52px; padding: 52px 0; border-top: 1px solid var(--border); align-items: start; }
.module:first-of-type { border-top: none; }
.module h3 { font-family: var(--font-head); font-size: 22px; font-weight: 800; letter-spacing: -0.015em; margin: 14px 0 12px; }
.module .num { font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--faint); }
.module p { color: var(--muted); font-size: 15px; }
.feature-list { list-style: none; display: grid; gap: 12px; }
.feature-list li { display: flex; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; font-size: 14px; color: var(--ink); box-shadow: var(--shadow-tile); }
.feature-list li svg { flex-shrink: 0; width: 17px; height: 17px; margin-top: 2px; color: var(--green); }
.feature-list li b { font-weight: 700; }
.feature-list li .d { color: var(--muted); font-weight: 400; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 64px; align-items: start; padding: 24px 0 84px; }
.contact-points { list-style: none; display: grid; gap: 18px; margin-top: 30px; }
.contact-points li { display: flex; gap: 14px; font-size: 15px; color: var(--muted); }
.contact-points li svg { flex-shrink: 0; width: 19px; height: 19px; color: var(--indigo); margin-top: 3px; }
.contact-points li b { color: var(--ink); }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 36px; box-shadow: var(--shadow-lift); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; color: var(--ink); margin-bottom: 7px; font-family: var(--font-head); }
.field input, .field textarea { width: 100%; border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 14px; font-family: var(--font-body); font-size: 14px; color: var(--ink); background: var(--bg); transition: border-color .15s ease; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--indigo); background: #fff; }
.field textarea { min-height: 120px; resize: vertical; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-msg { display: none; border-radius: 10px; padding: 12px 16px; font-size: 13.5px; font-weight: 600; margin-bottom: 16px; }
.form-msg.ok { display: block; background: var(--green-bg); color: #2c6424; }
.form-msg.err { display: block; background: var(--red-bg); color: #a23a31; }

/* ── Footer ── */
footer { border-top: 1px solid var(--border); background: var(--surface); padding: 44px 0 34px; margin-top: 30px; }
.foot-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 26px; font-size: 13.5px; color: var(--muted); }
.foot-links a:hover { color: var(--indigo); }
.foot-note { font-size: 12px; color: var(--faint); margin-top: 26px; }

/* ── V2 : vidéo, bénéfices, personas, témoignages, FAQ, pages modules, footer ── */
.video-frame { margin-top: 40px; border-radius: 18px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-lift); background: #0d0b1e; }
.video-frame video { width: 100%; display: block; aspect-ratio: 16 / 9; }

.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 44px; }
.benefit-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 26px; box-shadow: var(--shadow-tile); }
.benefit-card .v { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--indigo); letter-spacing: -0.02em; }
.benefit-card .t { font-family: var(--font-head); font-weight: 800; font-size: 14.5px; margin-top: 10px; }
.benefit-card p { font-size: 13px; color: var(--muted); margin-top: 6px; }
.benefit-note { font-size: 11.5px; color: var(--faint); margin-top: 18px; }

.persona-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 44px; }
.persona-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 26px; box-shadow: var(--shadow-tile); display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; }
.persona-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.persona-card .role { display: inline-block; font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--indigo); background: #edeafa; border-radius: 6px; padding: 3px 9px; margin-bottom: 14px; align-self: flex-start; }
.persona-card h3 { font-family: var(--font-head); font-size: 16.5px; font-weight: 800; margin-bottom: 8px; }
.persona-card p { font-size: 13.5px; color: var(--muted); flex: 1; }
.persona-card .more { margin-top: 16px; font-family: var(--font-head); font-weight: 700; font-size: 13px; color: var(--blue); }

.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; }
.quote-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: var(--shadow-tile); margin: 0; }
.quote-card blockquote { font-size: 15.5px; color: var(--ink); line-height: 1.7; }
.quote-card figcaption { margin-top: 18px; font-size: 13px; }
.quote-card figcaption b { font-family: var(--font-head); display: block; }
.quote-card figcaption span { color: var(--faint); }

.faq { margin-top: 40px; display: grid; gap: 12px; max-width: 860px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-tile); overflow: hidden; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; font-family: var(--font-head); font-weight: 700; font-size: 15px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-size: 18px; color: var(--indigo); flex-shrink: 0; transition: transform .15s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; max-width: 720px; }

.crumbs { font-size: 12px; color: var(--faint); margin-bottom: 16px; font-weight: 600; }
.crumbs a:hover { color: var(--indigo); }
.crumbs .sep { margin: 0 7px; color: #d0cde0; }
.crumbs .cur { color: var(--indigo); }

.module-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-family: var(--font-head); font-weight: 700; font-size: 13.5px; color: var(--blue); }
.module-link:hover { text-decoration: underline; }
.bento-link { display: inline-block; margin-top: 14px; font-family: var(--font-head); font-weight: 700; font-size: 13px; color: var(--blue); }
.bento-link:hover { text-decoration: underline; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.related-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; box-shadow: var(--shadow-tile); transition: transform .18s ease, box-shadow .18s ease; }
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.related-card .k { font-family: var(--font-mono); font-size: 10px; color: var(--faint); }
.related-card h3 { font-family: var(--font-head); font-size: 15px; font-weight: 800; margin: 8px 0 6px; }
.related-card p { font-size: 13px; color: var(--muted); }

.usecase-block { border-top: 1px solid var(--border); padding: 56px 0; }
.usecase-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 52px; align-items: start; }
.pain-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
.pain-list li { display: flex; gap: 10px; font-size: 14px; color: var(--muted); }
.pain-list li::before { content: "×"; font-family: var(--font-mono); font-weight: 700; color: var(--red); flex-shrink: 0; }
.gain-list { list-style: none; display: grid; gap: 12px; }
.gain-list li { display: flex; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; font-size: 14px; color: var(--ink); box-shadow: var(--shadow-tile); }
.gain-list li svg { flex-shrink: 0; width: 17px; height: 17px; margin-top: 2px; color: var(--green); }
.mod-chips { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.mod-chips a { font-family: var(--font-mono); font-size: 11px; font-weight: 600; color: var(--indigo); background: #edeafa; border: 1px solid #ddd8f2; border-radius: 999px; padding: 5px 12px; transition: background-color .15s ease; }
.mod-chips a:hover { background: #ddd8f2; }

.foot-cols { display: grid; grid-template-columns: minmax(0, 1.4fr) 1fr 1fr; gap: 40px; }
.foot-brand p { font-size: 13px; color: var(--muted); margin-top: 14px; max-width: 300px; }
.foot-col h4 { font-family: var(--font-mono); font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: 14px; }
.foot-col a { display: block; font-size: 13.5px; color: var(--muted); padding: 4.5px 0; }
.foot-col a:hover { color: var(--indigo); }

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero-grid, .dark-grid, .module, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .bento-card, .bento-card.wide { grid-column: span 6; }
  .strip { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .burger { display: block; }
  .mock-float { left: 4px; }
  .cta-band { padding: 36px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 48px; }
  .section { padding: 60px 0; }
  .benefit-grid, .persona-grid { grid-template-columns: 1fr 1fr; }
  .quote-grid, .related-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 640px) {
  .benefit-grid, .persona-grid { grid-template-columns: 1fr; }
}