/* ============================================================================
   Immobservatoire — Maquettes Accueil 2028 (phase 1, recherche design)
   Tokens partagés + composants de la page d'accueil. Throwaway : sert à
   regarder et trancher, pas du code de prod.

   Décisions respectées : thème CLAIR par défaut (D13, le sombre néon est la
   signature au toggle) · teal deux tons #0d9488/#2dd4bf (D16) · Inter +
   Space Grotesk (D17) · surfaces NETTES partout, verre dépoli réservé au
   panneau flottant sur la carte (D18) · divulgation progressive (D15).
   Valeurs de couleur reprises telles quelles de app/static/app.css.
   ============================================================================ */

/* Tokens (couleurs, typo, rayons, ombres, verre) : déplacés dans tokens.css,
   le socle UNIQUE partagé par toutes les maquettes, chargé avant base.css.
   base.css ne porte plus que les composants de la page d'accueil. */

/* ----------------------------------------------------------------------------
   2. Base
---------------------------------------------------------------------------- */
* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.55;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
::selection { background: var(--accent-soft); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.nums { font-variant-numeric: tabular-nums; }

/* ----------------------------------------------------------------------------
   3. Navigation (surface nette, hairline en bas)
---------------------------------------------------------------------------- */
/* Aligné au pixel sur le bandeau partagé des autres pages (.topbar + .shell-nav, cf. shell.css) :
   hauteur 56, padding 0 26, gap 22, verre var(--glass). */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  height: 56px;
  padding: 0 26px;
  background: color-mix(in srgb, var(--surface-solid) 94%, transparent);
  -webkit-backdrop-filter: var(--glass);
  backdrop-filter: var(--glass);
  border-bottom: 1px solid var(--hairline);
}

/* Logo-mot : « immobservatoire » dont les deux o sont des verres (lunettes), reliés par un pont
   tracé par logo.js. Remplace l'ancienne pastille + texte de marque. */
.logo-word {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  font-family: "Poppins", var(--font-display), sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  line-height: 1;
  color: var(--text);
  white-space: nowrap;
  text-decoration: none;
  text-transform: none;
}
.logo-word .lens {
  display: inline-block;
  width: 0.92em;
  height: 0.92em;
  border: 0.06em solid var(--accent);
  border-radius: 50%;
  box-sizing: border-box;
  flex: 0 0 auto;
}
.logo-bridge { position: absolute; inset: 0; overflow: visible; pointer-events: none; color: var(--accent); }

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  padding: 7px 12px;
  border-radius: var(--r-sm);
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }

.nav-spacer { flex: 1; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-actions .shell-export {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 3px 16px var(--accent-glow);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  transition: filter 0.18s;
}
.nav-actions .shell-export:hover { filter: brightness(1.07); }

/* ---- Bascule de thème (reprend les icônes sun/moon de l'app) ---- */
.theme-toggle {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  box-shadow: 0 0 14px var(--accent-glow);
}
:root[data-theme="dark"] .theme-toggle .icon-moon,
:root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; }

/* ----------------------------------------------------------------------------
   4. Boutons
---------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: filter 0.2s, transform 0.15s var(--ease), box-shadow 0.2s, border-color 0.2s, color 0.2s, background 0.2s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  box-shadow: 0 4px 22px var(--accent-glow);
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}
.btn-primary:hover { filter: brightness(1.07); box-shadow: 0 6px 28px var(--accent-glow); }

.btn-ghost {
  background: var(--surface);
  border-color: var(--hairline-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent-line); color: var(--accent); }

.btn-lg { min-height: 50px; padding: 0 26px; font-size: 16px; }

/* ----------------------------------------------------------------------------
   5. Sections génériques
---------------------------------------------------------------------------- */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
  display: grid;
  gap: 14px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; }
.section-head p { margin: 0; font-size: 17px; color: var(--text-muted); }

/* ---- Piliers ---- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.pillar {
  display: grid;
  gap: 10px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}
.pillar .ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 4px;
}
.pillar h3 { font-size: 18px; letter-spacing: -0.01em; }
.pillar p { margin: 0; font-size: 14.5px; color: var(--text-muted); }

/* ----------------------------------------------------------------------------
   6. Aperçu produit « observatoire en veille » — la SEULE surface en verre
   (D18 : verre sur carte). La scène SVG (ville vectorielle, balayage, courbe
   de médiane) est construite par mapband.js ; ici la palette (vars scopées sur
   .demo-map, clair/sombre) et le style des calques.
---------------------------------------------------------------------------- */
.demo-map {
  --map-ground: #dee5e0;
  --map-block: rgba(18, 26, 35, 0.05);
  --map-block-line: rgba(18, 26, 35, 0.11);
  --map-foot: rgba(18, 26, 35, 0.055);
  --map-river: rgba(8, 145, 178, 0.22);
  --map-line: rgba(18, 26, 35, 0.16);
  --map-tick: rgba(18, 26, 35, 0.38);
  --dot-glow: rgba(13, 148, 136, 0.4);
  --sweep-op: 0.65;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-pop);
  background: var(--map-ground);
  isolation: isolate;
  aspect-ratio: 16 / 11;
}
:root[data-theme="dark"] .demo-map {
  --map-ground: #0e141b;
  --map-block: rgba(255, 255, 255, 0.04);
  --map-block-line: rgba(255, 255, 255, 0.085);
  --map-foot: rgba(255, 255, 255, 0.045);
  --map-river: rgba(34, 211, 238, 0.24);
  --map-line: rgba(255, 255, 255, 0.14);
  --map-tick: rgba(255, 255, 255, 0.32);
  --dot-glow: rgba(45, 212, 191, 0.55);
  --sweep-op: 1;
}
/* Voile lumineux en coin, posé au-dessus de la scène. */
.demo-map::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(120% 90% at 72% 0%, var(--accent-soft), transparent 60%);
  pointer-events: none;
}
.demo-scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Ville vectorielle (classes émises par mapband.js) : îlots, parcelles,
   avenues « creusées » à la couleur du sol, rivière. */
.demo-scene .blk { fill: var(--map-block); stroke: var(--map-block-line); stroke-width: 0.5; }
.demo-scene .foot { fill: var(--map-foot); }
.demo-scene .street { fill: none; stroke: var(--map-ground); stroke-linecap: round; }
.demo-scene .river { fill: none; stroke: var(--map-river); stroke-linecap: round; }

/* Anneaux de portée + balayage lent autour du bien analysé. */
.demo-scene .ring { fill: none; stroke: var(--map-line); stroke-width: 0.8; }
.demo-scene .sweep {
  transform-box: view-box;
  transform-origin: 430px 178px;
  opacity: var(--sweep-op);
  animation: sweep 14s linear infinite;
}
.demo-scene .sweep path { fill: var(--accent); }
.demo-scene .sweep line { stroke: var(--accent); stroke-width: 1; opacity: 0.5; }
@keyframes sweep {
  to { transform: rotate(360deg); }
}

/* Pastilles de transactions : respiration douce, déphasée. */
.demo-scene .dot { fill: var(--accent); filter: drop-shadow(0 0 5px var(--dot-glow)); }
.demo-scene .dot.breathe { animation: breathe 3.6s ease-in-out infinite; }
.demo-scene .dots circle:nth-of-type(2n) { animation-delay: -1.2s; }
.demo-scene .dots circle:nth-of-type(3n) { animation-delay: -2.4s; }
.demo-scene .dot.dim { opacity: 0.45; filter: none; }
@keyframes breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* Marqueur cible + étiquette d'estimation au point. */
.demo-scene .mring { fill: none; stroke: var(--accent); stroke-width: 1.4; }
.demo-scene .mdot { fill: var(--accent); stroke: var(--surface-solid); stroke-width: 1.6; }
.demo-scene .mpulse {
  fill: none;
  stroke: var(--accent-line);
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.5); opacity: 0.9; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}
.demo-scene .tagline { stroke: var(--map-tick); stroke-width: 0.75; }
.demo-scene .tagplate { fill: var(--surface-solid); fill-opacity: 0.94; stroke: var(--hairline-strong); stroke-width: 0.75; }
.demo-scene .tagtext {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 700;
  fill: var(--text);
  font-variant-numeric: tabular-nums;
  text-anchor: middle;
}

/* Coins « instrument ». */
.demo-corner { position: absolute; z-index: 2; width: 13px; height: 13px; border: 1px solid var(--map-tick); opacity: 0.75; }
.demo-corner.tl { top: 11px; left: 11px; border-right: 0; border-bottom: 0; }
.demo-corner.tr { top: 11px; right: 11px; border-left: 0; border-bottom: 0; }
.demo-corner.bl { bottom: 11px; left: 11px; border-right: 0; border-top: 0; }
.demo-corner.br { bottom: 11px; right: 11px; border-left: 0; border-top: 0; }

/* Emprise en pied de carte (commune : les quartiers ne sont pas une emprise). */
.demo-micro {
  position: absolute;
  z-index: 2;
  bottom: 14px;
  left: 20px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* Panneau de bord flottant en VERRE (la seule translucidité du site, D18). */
.demo-hud {
  position: absolute;
  z-index: 3;
  top: 18px;
  right: 18px;
  width: min(258px, 52%);
  padding: 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  -webkit-backdrop-filter: var(--glass);
  backdrop-filter: var(--glass);
  box-shadow: var(--shadow-pop);
  display: grid;
  gap: 9px;
  text-align: left;
}
.demo-hud .label {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.demo-hud .price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(100deg, var(--text) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.demo-hud .delta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 99px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.demo-hud .metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.demo-hud .metrics b { color: var(--text); font-variant-numeric: tabular-nums; }
.demo-hud .spark .grid { stroke: var(--hairline); stroke-width: 0.75; }
.demo-hud .spark .line { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.demo-hud .spark .area { fill: var(--accent); opacity: 0.13; }
.demo-hud .spark .end { fill: var(--accent); stroke: var(--surface-solid); stroke-width: 1.4; }
.demo-hud .spark .yl { font-family: var(--font-ui); font-size: 8.5px; fill: var(--text-faint); font-variant-numeric: tabular-nums; }

@media (max-width: 640px) {
  .demo-hud { width: min(224px, 66%); padding: 13px; }
  .demo-hud .price { font-size: 23px; }
  .demo-micro { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .demo-scene .sweep { animation: none; }
  .demo-scene .dot.breathe { animation: none; opacity: 0.85; }
  .demo-scene .mpulse { animation: none; opacity: 0.4; }
}

/* ----------------------------------------------------------------------------
   7. Tarifs (4 paliers, D1) — cartes nettes
---------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: start;
}
.plan {
  display: grid;
  gap: 14px;
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}
.plan.featured {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 1px var(--accent-line), var(--shadow-pop);
}
.plan-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}
.plan-tag {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent);
}
.plan-price {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.plan-price small {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-faint);
}
.plan-quota {
  font-size: 14px;
  color: var(--text-muted);
}
.plan-quota b { color: var(--text); font-variant-numeric: tabular-nums; }
.plan ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.plan li { display: flex; gap: 8px; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.plan li.off { color: var(--text-faint); }
.plan li.off::before { content: "–"; color: var(--text-faint); }

.pricing-note {
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--text-faint);
  text-align: center;
}

/* ----------------------------------------------------------------------------
   8. Pied de page
---------------------------------------------------------------------------- */
.site-foot {
  height: 56px;
  border-top: 1px solid var(--hairline);
  padding: 0;
  background: color-mix(in srgb, var(--surface-solid) 94%, transparent);
  -webkit-backdrop-filter: var(--glass);
  backdrop-filter: var(--glass);
  color: var(--text-muted);
  font-size: 13.5px;
}
.site-foot .container {
  /* Liens alignés au bord DROIT de l'écran, au niveau du bouton Exporter du bandeau : on neutralise le
     centrage var(--maxw) de .container et on reprend le padding 26px de .site-nav. */
  max-width: none;
  padding: 0 26px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}
.foot-links { display: flex; gap: 12px; }
.foot-links a:hover { color: var(--text); }

/* ────────────────────────────────────────────────
   8b. Table ronde des données (accueil) — 16 sources en cercle, l'app au centre, liens ALÉATOIRES
   qui se font et se défont (table-ronde.js). Décoratif : ne reflète jamais les croisements réels.
   ──────────────────────────────────────────────── */
/* Rythme vertical : le hero finit sur 60px de padding ; ~64px entre chaque bloc majeur
   (table -> cartes -> bandeau carte), le viewBox du SVG étant recadré au plus près du cercle. */
.table-ronde { --chord-dim: 0.16; padding: 0 0 64px; }
:root[data-theme="dark"] .table-ronde { --chord-dim: 0.13; }
.table-scene { position: relative; margin: 0 auto; max-width: 880px; padding: 0 10px; }
.table-scene svg { display: block; width: 100%; height: auto; }
.rt-ring { fill: none; stroke: var(--hairline); }
.rt-ring-strong { fill: none; stroke: var(--hairline-strong); }
.rt-spin {
  fill: none; stroke: var(--accent-line); stroke-dasharray: 1 11; stroke-linecap: round;
  opacity: 0.55; transform-origin: 430px 430px; animation: rt-spin 160s linear infinite;
}
@keyframes rt-spin { to { transform: rotate(360deg); } }
.rt-chord { fill: none; stroke: url(#rt-grad); stroke-width: 1.1; stroke-linecap: round; opacity: var(--chord-dim); }
.rt-chord.live { opacity: 0; stroke-width: 1.7; }   /* fondu/tracé pilotés en inline par table-ronde.js */
.rt-node { cursor: pointer; }
.rt-node circle.dot { fill: var(--text-faint); stroke: var(--bg); stroke-width: 2; transition: fill 0.5s var(--ease); }
.rt-node text {
  font-family: var(--font-ui); font-size: 13.5px; font-weight: 500;
  fill: var(--text-muted); letter-spacing: 0.01em; transition: fill 0.5s var(--ease);
}
.rt-node.on circle.dot { fill: var(--accent); }
.rt-node.on text { fill: var(--text); font-weight: 600; }   /* graisse CHARGÉE (Inter 400/500/600) : pas de faux-gras synthétisé */
.rt-node .halo { fill: none; stroke: var(--accent); stroke-width: 1; opacity: 0; transition: opacity 0.5s var(--ease); }
.rt-node.on .halo { opacity: 1; }
/* Focus clavier (les sièges sont tabbables, cf. table-ronde.js) : le halo sert d'état de focus visible. */
.rt-node:focus { outline: none; }
.rt-node:focus .halo { opacity: 1; }
.rt-node:focus text { fill: var(--text); }
.rt-lens { fill: none; stroke: url(#rt-grad); stroke-width: 2.4; }
.rt-lens-in { fill: color-mix(in srgb, var(--surface-solid) 82%, transparent); stroke: var(--hairline); }
.rt-flare { fill: var(--accent); opacity: 0.07; transform-origin: 430px 430px; animation: rt-breathe 7s ease-in-out infinite; }
@keyframes rt-breathe { 50% { opacity: 0.15; transform: scale(1.6); } }
.rt-pulse { fill: var(--accent); opacity: 0; }
.center-mark {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  pointer-events: none; text-align: center;
}
.center-mark .logo-word { font-size: 15px; }
.center-mark .sub { font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint); }
.rt-readout { display: flex; justify-content: center; min-height: 30px; margin: 2px auto 0; text-align: center; }
.rt-readout p { margin: 0; font-size: 13px; color: var(--text-muted); max-width: 52ch; padding: 0 16px; }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 24px; }
.prod-card {
  border: 1px solid var(--hairline); border-radius: var(--r-md);
  background: var(--surface-solid); padding: 13px 14px; text-align: center;
  transition: border-color 0.3s var(--ease);
}
.prod-card:hover { border-color: var(--accent-line); }
.prod-card strong { display: block; font-family: var(--font-display); font-size: 13.5px; font-weight: 600; color: var(--text); }
.prod-card span { display: block; margin-top: 4px; font-size: 12px; line-height: 1.5; color: var(--text-muted); }

/* ----------------------------------------------------------------------------
   9. Responsive
---------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .rt-node text { font-size: 16px; }   /* le SVG rétrécit avec l'écran : étiquettes regonflées */
}
@media (max-width: 560px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .site-nav { gap: 10px; padding-inline: 14px; }
  .nav-actions { gap: 8px; }
  .nav-actions .shell-export { width: 34px; height: 34px; justify-content: center; padding: 0; }
  .nav-actions .shell-export span { display: none; }
  .site-foot .container { padding-inline: 14px; }   /* suit .site-nav (14px en mobile) pour rester aligné */
  .foot-links { gap: 8px; font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}