/* =========================================================================
   Urb-IA · Site marketing (landing + pages publiques)
   Adapté de CLAUDE DESIGN/ui_kits/marketing_site (audité 2026-07-06).
   Chargé UNIQUEMENT par les pages marketing (base_marketing.html), jamais
   par l'app — pas de collision avec style.css. Dépend de urbia-tokens.css
   et fonts.css. Breakpoints arbitrés : 960 / 640 (ECARTS §4).
   ========================================================================= */

body { margin: 0; background: var(--urbia-parchemin-50); font-family: var(--font-sans); color: var(--urbia-encre-800); }

/* ── Header ─────────────────────────────────────────────────────────── */
.mk-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 241, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.mk-nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
}
.mk-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; color: var(--urbia-encre-800); text-decoration: none; white-space: nowrap; }
.mk-links { display: flex; gap: 6px; }
.mk-links a {
  color: var(--urbia-graphite-700); text-decoration: none; font-weight: 500; font-size: 14px;
  padding: 8px 14px; border-radius: var(--radius-btn); transition: background 200ms, color 200ms;
}
.mk-links a:hover { background: var(--urbia-parchemin-200); color: var(--urbia-encre-800); }
.mk-links a.active { background: var(--urbia-parchemin-200); color: var(--urbia-encre-800); }
.mk-cta { display: flex; align-items: center; gap: 10px; }
.mk-btn { font-family: var(--font-sans); font-size: 14px; font-weight: 600; padding: 9px 18px; border-radius: var(--radius-btn); border: 1px solid transparent; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all 200ms cubic-bezier(0.16,1,0.3,1); text-decoration: none; white-space: nowrap; }
.mk-btn-primary { background: var(--urbia-encre-800); color: #fff; }
.mk-btn-primary:hover { background: var(--urbia-encre-700); }
.mk-btn-secondary { background: transparent; color: var(--urbia-encre-800); border-color: var(--urbia-graphite-300); }
.mk-btn-secondary:hover { background: var(--urbia-parchemin-200); }
.mk-btn-ghost { background: transparent; color: var(--urbia-encre-800); }
.mk-btn-ghost:hover { background: var(--urbia-parchemin-200); }

/* ── Hero ───────────────────────────────────────────────────────────── */
.mk-hero { max-width: 1280px; margin: 0 auto; padding: 96px 32px 64px; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.mk-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 22px; }
.mk-eyebrow::before { content: ""; width: 32px; height: 1px; background: var(--urbia-cyan-500); }
.mk-hero h1 { font-family: var(--font-display); font-size: clamp(54px, 6vw, 88px); font-weight: 500; line-height: 1.0; letter-spacing: -0.025em; margin: 0 0 22px; color: var(--urbia-encre-800); }
.mk-hero h1 .em { color: var(--urbia-cyan-600); font-style: italic; font-weight: 500; }
.mk-hero p.lead { font-size: 19px; line-height: 1.55; color: var(--urbia-graphite-700); margin: 0 0 32px; max-width: 540px; }
.mk-hero .actions { display: flex; gap: 12px; }
.mk-trustline { margin-top: 40px; display: flex; align-items: center; gap: 16px; color: var(--fg-muted); font-size: 13px; }

.mk-hero-visual {
  /* Extrait de plan IGN + parcelles cadastrales (image statique auto-hébergée,
     © IGN data.geopf.fr · cadastre Etalab — remplace le fond encre plein,
     demande Stéphan 2026-07-13). Repli encre si l'image ne charge pas. */
  background: var(--urbia-encre-800) url("/static/img/hero-carte-cadastre.jpg") center / cover no-repeat;
  border-radius: 16px;
  padding: 32px;
  position: relative;
  box-shadow: 0 30px 80px rgba(13,27,62,0.25);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.mk-hero-visual::before {
  /* voile encre léger : détache les cartes blanches du plan */
  content: ""; position: absolute; inset: 0;
  background: rgba(13,27,62,0.10);
  pointer-events: none;
}
.hv-card {
  position: absolute; background: #fff; border-radius: 8px; padding: 14px 16px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.18); font-family: var(--font-sans); border: 1px solid rgba(255,255,255,0.05);
}
.hv-card .mk-eyebrow { color: var(--accent-text); font-size: 10px; margin: 0 0 6px; letter-spacing: 0.16em; }
.hv-card .mk-eyebrow::before { display: none; }
.hv-card .title { font-size: 13px; font-weight: 600; color: var(--urbia-encre-800); margin: 0 0 2px; }
.hv-card .meta { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); margin: 0; }
.hv-card .stat { font-family: var(--font-display); font-size: 28px; font-weight: 500; color: var(--urbia-encre-800); line-height: 1; margin: 10px 0 2px; letter-spacing: -0.02em; }
.hv-card .stat .u { font-size: 13px; color: var(--fg-muted); }
.hv-c1 { top: 32px; left: 32px; width: 200px; }
.hv-c2 { top: 32px; right: 32px; width: 180px; }
.hv-c3 { bottom: 100px; left: 50%; transform: translateX(-50%); width: 280px; }
.hv-c3 .ia { background: var(--urbia-cyan-50); border-radius: 4px; padding: 8px 10px; margin: 8px 0 0; font-size: 11px; color: var(--urbia-encre-700); line-height: 1.4; }
.hv-logo {
  /* cartouche lisible sur le fond carte (texte blanc illisible sur plan clair) */
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: rgba(13,27,62,0.85); border-radius: 999px; padding: 6px 16px;
  font-family: var(--font-sans); font-size: 11px; color: rgba(255,255,255,0.9);
  letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap;
}

/* ── Bandeau conformité ─────────────────────────────────────────────── */
.mk-compliance { background: var(--urbia-encre-800); color: rgba(255,255,255,0.85); padding: 28px 0; border-top: 1px solid var(--border); }
.mk-compliance-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 32px; }
.comp-item { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.85); letter-spacing: 0.02em; }
.comp-item svg { color: var(--urbia-cyan-400); flex-shrink: 0; }
.comp-sep { width: 1px; height: 16px; background: rgba(255,255,255,0.12); }

/* ── Sections génériques ────────────────────────────────────────────── */
.mk-section { max-width: 1280px; margin: 0 auto; padding: 96px 32px; }
.mk-section-head { max-width: 720px; margin: 0 0 56px; }
.mk-section-head h2 { font-family: var(--font-display); font-size: clamp(34px, 4vw, 48px); font-weight: 500; line-height: 1.1; letter-spacing: -0.02em; color: var(--urbia-encre-800); margin: 16px 0 18px; }
.mk-section-head p { font-size: 17px; line-height: 1.6; color: var(--urbia-graphite-700); margin: 0; }

.mk-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.feature .icn { width: 44px; height: 44px; border-radius: var(--radius-card); background: var(--urbia-parchemin-100); display: inline-flex; align-items: center; justify-content: center; color: var(--urbia-encre-800); margin-bottom: 18px; }
.feature h3 { font-family: var(--font-sans); font-size: 18px; font-weight: 600; color: var(--urbia-encre-800); margin: 0 0 8px; }
.feature p { font-size: 14.5px; line-height: 1.6; color: var(--urbia-graphite-700); margin: 0; }
.feature.muted { border-style: dashed; background: transparent; }
.feature.muted .icn { background: transparent; border: 1px dashed var(--border-strong); color: var(--fg-muted); }
.feature.muted h3 { color: var(--urbia-graphite-700); }
.feature .src-tag { font-family: var(--font-mono); font-size: 12px; color: var(--accent-text); }

/* ── Comment ça marche (fond encre) ─────────────────────────────────── */
.mk-how { background: var(--urbia-encre-800); color: #fff; }
.mk-how .mk-section { padding: 110px 32px; }
.mk-how h2 { color: #fff; }
.mk-how p.lead { color: rgba(255,255,255,0.7); }
.mk-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step { position: relative; padding-top: 24px; counter-increment: step; }
.step::before {
  content: "0" counter(step);
  font-family: var(--font-display); font-size: 56px; font-weight: 500; color: var(--urbia-cyan-500);
  line-height: 1; display: block; margin-bottom: 18px; letter-spacing: -0.03em;
}
.step h3 { font-family: var(--font-sans); font-size: 20px; font-weight: 600; color: #fff; margin: 0 0 8px; }
.step p { color: rgba(255,255,255,0.7); font-size: 14.5px; line-height: 1.6; margin: 0; }
.step .line { position: absolute; top: 38px; left: 80px; right: -16px; height: 1px; background: rgba(255,255,255,0.1); }
.step:last-child .line { display: none; }

/* ── Grille sections du rapport ─────────────────────────────────────── */
.mk-modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.module { padding: 24px; border-radius: 8px; border: 1px solid var(--border); background: #fff; position: relative; }
.module .letter { font-family: var(--font-display); font-size: 36px; font-weight: 500; color: var(--urbia-cyan-600); line-height: 1; letter-spacing: -0.02em; margin-bottom: 12px; display: block; }
.module h3 { font-family: var(--font-sans); font-size: 17px; font-weight: 600; color: var(--urbia-encre-800); margin: 0 0 6px; }
.module p { font-size: 13.5px; color: var(--urbia-graphite-700); margin: 0; line-height: 1.5; }
.module .sub-count { font-family: var(--font-mono); font-size: 11px; color: var(--accent-text); margin-top: 8px; display: block; }
.module.feat { background: var(--urbia-encre-800); color: #fff; border-color: var(--urbia-encre-800); grid-column: span 2; }
.module.feat h3 { color: #fff; }
.module.feat p { color: rgba(255,255,255,0.7); }
.module.feat .letter { color: var(--urbia-cyan-400); }
.module.feat .sub-count { color: var(--urbia-cyan-400); }

/* ── Bloc programme bêta ────────────────────────────────────────────── */
.mk-beta { background: var(--urbia-parchemin-100); }
.mk-beta .mk-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 80px 32px; }
.mk-beta blockquote {
  font-family: var(--font-display); font-size: 32px; font-weight: 500; line-height: 1.25; letter-spacing: -0.015em;
  color: var(--urbia-encre-800); margin: 0;
}
.mk-beta .author { margin-top: 24px; font-size: 14px; color: var(--urbia-graphite-700); }
.mk-beta .author strong { color: var(--urbia-encre-800); font-weight: 600; }
.mk-beta .author a { color: var(--accent-text); }
.beta-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.beta-card h3 { font-family: var(--font-display); font-size: 26px; font-weight: 500; margin: 4px 0 14px; color: var(--urbia-encre-800); }
.beta-card .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.beta-card .num { font-family: var(--font-display); font-size: 36px; font-weight: 500; color: var(--urbia-encre-800); line-height: 1; letter-spacing: -0.02em; }
.beta-card .num.cyan { color: var(--urbia-cyan-600); }
.beta-card .num .u { font-size: 16px; color: var(--fg-muted); }
.beta-card .cap { font-size: 12px; color: var(--fg-muted); margin-top: 4px; }

/* ── Bande CTA finale ───────────────────────────────────────────────── */
.mk-cta-band { background: var(--urbia-encre-800); color: #fff; }
.mk-cta-inner { max-width: 1280px; margin: 0 auto; padding: 96px 32px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: center; }
.mk-cta-band h2 { font-family: var(--font-display); font-size: clamp(36px, 4vw, 52px); font-weight: 500; line-height: 1.1; letter-spacing: -0.02em; color: #fff; margin: 0; }
.mk-cta-band p { color: rgba(255,255,255,0.7); font-size: 16px; line-height: 1.6; margin: 16px 0 0; }
.mk-cta-actions { display: flex; flex-direction: column; gap: 10px; }
.mk-cta-actions .mk-btn-primary { background: var(--urbia-cyan-500); color: var(--urbia-encre-800); }
.mk-cta-actions .mk-btn-primary:hover { background: var(--urbia-cyan-400); }
.mk-cta-actions .mk-btn-secondary { color: #fff; border-color: rgba(255,255,255,0.2); }
.mk-cta-actions .mk-btn-secondary:hover { background: rgba(255,255,255,0.05); }

/* ── Footer ─────────────────────────────────────────────────────────── */
.mk-footer { background: var(--urbia-encre-900); color: rgba(255,255,255,0.6); padding: 56px 0 32px; }
.mk-foot-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.mk-foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot-col h4 { font-family: var(--font-sans); font-size: 12px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin: 0 0 16px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-col a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 14px; }
.foot-col a:hover { color: #fff; }
.foot-brand .mk-brand { color: #fff; font-size: 22px; margin-bottom: 14px; display: inline-flex; }
.foot-brand p { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.55); margin: 0 0 18px; max-width: 320px; }
.mk-foot-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 12px; }
.mk-foot-bottom .laiton-rule { width: 36px; height: 1px; background: var(--urbia-laiton-500); display: inline-block; }

/* ── Pages contenu (méthode, rapport, FAQ, légal) ───────────────────── */
.mk-page-head { max-width: 1280px; margin: 0 auto; padding: 72px 32px 8px; }
.mk-page-head h1 { font-family: var(--font-display); font-size: clamp(40px, 5vw, 64px); font-weight: 500; line-height: 1.05; letter-spacing: -0.02em; color: var(--urbia-encre-800); margin: 0 0 18px; max-width: 800px; }
.mk-page-head p.lead { font-size: 18px; line-height: 1.6; color: var(--urbia-graphite-700); margin: 0; max-width: 680px; }

.mk-prose { max-width: 760px; }
.mk-prose h2 { font-family: var(--font-display); font-size: 30px; font-weight: 500; letter-spacing: -0.015em; color: var(--urbia-encre-800); margin: 48px 0 14px; }
.mk-prose h2:first-child { margin-top: 0; }
.mk-prose p, .mk-prose li { font-size: 15.5px; line-height: 1.7; color: var(--urbia-graphite-700); }
.mk-prose strong { color: var(--urbia-encre-800); }
.mk-prose .mono { font-family: var(--font-mono); font-size: 13px; color: var(--accent-text); }
.mk-prose ul { padding-left: 20px; }

.mk-faq { max-width: 820px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card); padding: 22px 26px; margin-bottom: 12px; }
.faq-item h3 { font-family: var(--font-sans); font-size: 16.5px; font-weight: 600; color: var(--urbia-encre-800); margin: 0 0 8px; }
.faq-item p { font-size: 14.5px; line-height: 1.65; color: var(--urbia-graphite-700); margin: 0; }
.faq-item p + p { margin-top: 8px; }

.mk-legal { max-width: 760px; font-size: 14.5px; }
.mk-legal h2 { font-family: var(--font-display); font-size: 24px; font-weight: 500; color: var(--urbia-encre-800); margin: 36px 0 10px; }
.mk-legal p { line-height: 1.7; color: var(--urbia-graphite-700); }

/* ── Responsive — breakpoints 960 / 640 ─────────────────────────────── */
@media (max-width: 960px) {
  .mk-links { display: none; }
  .mk-hero { grid-template-columns: 1fr; gap: 40px; padding: 64px 24px 48px; }
  .mk-section { padding: 64px 24px; }
  .mk-how .mk-section { padding: 72px 24px; }
  .mk-steps { grid-template-columns: 1fr; gap: 28px; }
  .step .line { display: none; }
  .mk-modules { grid-template-columns: repeat(2, 1fr); }
  .mk-beta .mk-section { grid-template-columns: 1fr; gap: 32px; padding: 64px 24px; }
  .mk-cta-inner { grid-template-columns: 1fr; padding: 64px 24px; }
  .mk-foot-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-brand { grid-column: 1 / -1; }
  .mk-page-head { padding: 48px 24px 8px; }
}
@media (max-width: 640px) {
  /* Header une seule ligne jusqu'à 360 px : logo réduit + boutons compactés
     (le logo est une image à ratio fixe — la largeur suit la hauteur).
     flex-wrap en filet de sécurité sous ~355 px : les boutons passent sous le
     logo au lieu de déborder (le débordement force Chrome Android à dézoomer
     toute la page — bandeau « plus étroit que l'écran » constaté le 29/07). */
  .mk-nav-inner { padding: 14px 16px; flex-wrap: wrap; row-gap: 8px; }
  .mk-brand img { height: 18px; width: auto; }
  /* « Se connecter » reste accessible sur mobile (pas de menu burger en V1 —
     la navigation entre pages passe par le footer) : boutons compactés. */
  .mk-cta { gap: 6px; }
  .mk-cta .mk-btn { padding: 8px 10px; font-size: 12px; }
  .mk-hero { padding: 48px 20px 40px; gap: 32px; }
  .mk-hero h1 { font-size: clamp(40px, 11vw, 54px); }
  .mk-hero .actions { flex-wrap: wrap; }
  .mk-trustline { flex-wrap: wrap; }
  /* Encart héro : le collage absolu (cartes en 46 %/44 %) tronque les textes
     sous 640 px — passage en flux normal : cartes empilées pleine largeur sur
     le fond carte, hauteur naturelle (l'aspect-ratio 4/5 coupait le contenu). */
  .mk-hero-visual { padding: 16px; aspect-ratio: auto; }
  .hv-card { position: static; width: auto; margin: 0 0 12px; }
  .hv-c3 { transform: none; }
  .hv-logo { position: static; transform: none; display: table;
    margin: 4px auto 0; font-size: 10px; white-space: normal;
    text-align: center; }
  .mk-compliance-inner { gap: 10px 20px; }
  .comp-sep { display: none; }
  .mk-section { padding: 48px 20px; }
  .mk-how .mk-section { padding: 56px 20px; }
  .mk-features { grid-template-columns: 1fr; }
  .mk-modules { grid-template-columns: 1fr; }
  .module.feat { grid-column: auto; }
  .mk-beta .mk-section { padding: 48px 20px; }
  .mk-beta blockquote { font-size: 25px; }
  .mk-cta-inner { padding: 64px 20px; }
  .mk-foot-inner { padding: 0 20px; }
  .mk-page-head { padding: 40px 20px 8px; }
}