/* ============================================================
   Costard Numérique — Prise de Mesures en ligne
   Design system (charte : #0D0C1A · #4A3AFF · #7D42FB)
   ============================================================ */

:root {
  --nuit: #0D0C1A;
  --nuit-2: #14122b;
  --texte: #F5F4F0;
  --texte-doux: #C9C7D4;
  --muet: #888884;
  --accent: #4A3AFF;
  --accent-2: #7D42FB;
  --accent-3: #2D68FF;
  --accent-clair: #A99FFF;
  --ok: #2BD98A;
  --warn: #FFB020;
  --ko: #FF4D6D;
  --carte: rgba(255, 255, 255, .035);
  --carte-forte: rgba(255, 255, 255, .055);
  --bord: rgba(255, 255, 255, .09);
  --bord-accent: rgba(125, 66, 251, .45);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --rayon: 20px;
  --ombre: 0 24px 60px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--nuit);
  color: var(--texte);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-clair); text-decoration: none; }
a:hover { color: #fff; }

/* ---------- Halos de fond ---------- */
.halo { position: fixed; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; }
.halo-1 { width: 620px; height: 620px; top: -240px; left: -180px; background: rgba(74, 58, 255, .16); }
.halo-2 { width: 520px; height: 520px; bottom: -260px; right: -140px; background: rgba(125, 66, 251, .13); }

/* ---------- En-tête ---------- */
.entete {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(18px, 4vw, 48px) 14px;
  max-width: 1080px; margin: 0 auto; width: 100%;
}
.marque img { height: 40px; width: auto; display: block; }
.entete-droite { display: flex; align-items: center; gap: 14px; }
.pastille-discrète {
  font-size: 11.5px; color: var(--ok); background: rgba(43, 217, 138, .12);
  border-radius: 99px; padding: 4px 11px;
}
.lien-discret {
  background: none; border: none; color: var(--muet); font-family: inherit;
  font-size: 13px; cursor: pointer; padding: 4px 0; text-decoration: underline;
  text-decoration-color: rgba(136, 136, 132, .5); text-underline-offset: 3px;
}
.lien-discret:hover { color: var(--texte-doux); }
.lien-discret.centrer { display: block; margin: 22px auto 0; text-align: center; }

/* ---------- Progression ---------- */
.progression {
  position: relative; z-index: 2;
  height: 3px; width: min(1080px, calc(100% - 36px));
  margin: 0 auto 26px; background: rgba(255, 255, 255, .07);
  border-radius: 99px; overflow: hidden;
}
.progression-remplie {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .45s cubic-bezier(.2, .7, .3, 1);
}

/* ---------- Structure ---------- */
main { position: relative; z-index: 2; flex: 1; width: 100%; padding: 0 clamp(18px, 4vw, 48px) 60px; }
.vue { max-width: 780px; margin: 0 auto; animation: apparait .4s ease both; }
@keyframes apparait { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.carte {
  background: var(--carte);
  border: 1px solid var(--bord);
  border-radius: var(--rayon);
  padding: clamp(24px, 3.6vw, 44px);
  box-shadow: var(--ombre);
  backdrop-filter: blur(6px);
}
.carte-accueil { padding: clamp(28px, 4.4vw, 56px); }

/* ---------- Typographie ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; margin: 0; }
h1 { font-size: clamp(2rem, 4.6vw, 3rem); line-height: 1.08; margin-bottom: 18px; }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.1; margin-bottom: 10px; }
h3 { font-size: clamp(1.2rem, 2.4vw, 1.5rem); line-height: 1.2; margin-bottom: 14px; }

.eyebrow {
  display: block; font-size: 11.5px; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: var(--accent-clair); margin-bottom: 14px;
}
.chapeau { font-size: clamp(1rem, 1.6vw, 1.12rem); color: var(--texte-doux); margin: 0 0 26px; max-width: 62ch; }
.etape-sous { color: var(--muet); font-size: 15px; margin: 6px 0 0; }
.saut { display: none; }
@media (min-width: 720px) { .saut { display: inline; } }

/* ---------- Repères (accueil) ---------- */
.reperes {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 12px; margin: 0 0 26px;
}
.repere {
  background: var(--carte-forte); border: 1px solid var(--bord);
  border-radius: 14px; padding: 16px 18px;
}
.repere strong { display: block; font-family: var(--serif); font-size: 1.45rem; color: #fff; line-height: 1.1; }
.repere span { font-size: 13px; color: var(--muet); }

.note-bas { font-size: 14.5px; color: var(--texte-doux); margin: 0 0 28px; }
.rassurance { font-size: 13px; color: var(--muet); margin: 20px 0 0; }
.mention-resultat { font-size: 12.5px; color: var(--muet); margin: 24px 0 0; font-style: italic; }

/* ---------- Boutons ---------- */
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: inherit; font-size: 15px; font-weight: 500; cursor: pointer;
  border-radius: 999px; padding: 15px 28px; border: 1px solid transparent;
  transition: transform .18s ease, filter .18s ease, background .18s ease, border-color .18s ease;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-principal {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; box-shadow: 0 14px 34px rgba(74, 58, 255, .34);
}
.btn-principal:hover { filter: brightness(1.1); transform: translateY(-1px); color: #fff; }
.btn-principal:disabled { opacity: .55; cursor: wait; transform: none; }
.btn-fantome {
  background: rgba(255, 255, 255, .05); border-color: var(--bord); color: var(--texte-doux);
}
.btn-fantome:hover { background: rgba(255, 255, 255, .09); color: #fff; }
.btn[hidden] { display: none; }

/* ---------- Étapes ---------- */
.etape-tete { margin-bottom: 26px; }
.pied-etape {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--bord);
}
.etape-position { font-size: 13px; color: var(--muet); }

/* ---------- Champs ---------- */
.champ { margin-bottom: 26px; animation: apparait .3s ease both; }
.champ-label { display: block; font-size: 15px; font-weight: 500; color: var(--texte); margin-bottom: 4px; }
.champ-label .requis { color: var(--accent-clair); }
.champ-aide { font-size: 13px; color: var(--muet); margin: 0 0 13px; }

.options { display: flex; flex-direction: column; gap: 9px; }
.options.en-ligne { flex-direction: row; flex-wrap: wrap; }
.options.en-ligne .option { flex: 1 1 180px; }

.option {
  display: flex; align-items: center; gap: 12px;
  background: var(--carte-forte); border: 1px solid var(--bord);
  border-radius: 14px; padding: 14px 17px; cursor: pointer;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
  font-size: 15px; color: var(--texte-doux);
}
.option:hover { border-color: rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .07); }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.option .puce {
  width: 19px; height: 19px; border-radius: 50%; flex: none;
  border: 1.5px solid rgba(255, 255, 255, .28); position: relative;
  transition: border-color .16s ease, background .16s ease;
}
.option.coche .puce { border-color: transparent; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.option.coche .puce::after {
  content: ''; position: absolute; inset: 5px; border-radius: 50%; background: #fff;
}
.option.carre .puce { border-radius: 6px; }
.option.coche {
  border-color: var(--bord-accent); background: rgba(74, 58, 255, .14); color: #fff;
}
.option.coche.carre .puce::after {
  content: '✓'; inset: 0; background: none; border-radius: 0;
  color: #fff; font-size: 12px; font-weight: 700; display: flex;
  align-items: center; justify-content: center;
}

.zone-texte, .champ-texte {
  width: 100%; background: rgba(13, 12, 26, .6); border: 1px solid var(--bord);
  border-radius: 14px; padding: 14px 16px; color: var(--texte);
  font-family: inherit; font-size: 15px; line-height: 1.55; outline: none; resize: vertical;
  transition: border-color .16s ease;
}
.zone-texte:focus, .champ-texte:focus { border-color: var(--bord-accent); }
.zone-texte::placeholder, .champ-texte::placeholder { color: rgba(245, 244, 240, .28); }
.grille-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 14px; }
.erreur {
  margin: 4px 0 0; font-size: 13.5px; color: var(--ko);
  background: rgba(255, 77, 109, .1); border: 1px solid rgba(255, 77, 109, .35);
  border-radius: 12px; padding: 11px 15px;
}
/* Champ piège (invisible pour l'humain, rempli par les robots) */
.piege { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ---------- Résultat ---------- */
.chiffres {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  gap: 12px; margin: 26px 0;
}
.chiffre {
  background: var(--carte-forte); border: 1px solid var(--bord);
  border-radius: 16px; padding: 20px;
}
.chiffre .valeur {
  font-family: var(--serif); font-size: clamp(1.9rem, 4.4vw, 2.6rem);
  line-height: 1; color: #fff; font-variant-numeric: lining-nums tabular-nums;
}
.chiffre.accent .valeur { background: linear-gradient(135deg, #A99FFF, #7D42FB); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.chiffre .libelle { font-size: 13px; color: var(--muet); margin-top: 8px; }
.chiffre .precision { font-size: 12px; color: rgba(136, 136, 132, .8); margin-top: 3px; }

.bloc-resultat { margin-top: 34px; }
.bloc-resultat > h3 { padding-bottom: 12px; border-bottom: 1px solid var(--bord); }

.liste-frictions { display: flex; flex-direction: column; gap: 10px; }
.friction-ligne {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--carte-forte); border: 1px solid var(--bord);
  border-radius: 14px; padding: 15px 17px;
}
.friction-ligne .ico { font-size: 20px; line-height: 1.2; flex: none; }
.friction-ligne .txt { min-width: 0; }
.friction-ligne b { display: block; font-weight: 500; color: #fff; font-size: 15px; }
.friction-ligne span { font-size: 13.5px; color: var(--muet); }

.priorites { display: flex; flex-direction: column; gap: 9px; counter-reset: prio; }
.priorite {
  display: flex; gap: 13px; align-items: center;
  border: 1px solid var(--bord); border-radius: 14px; padding: 14px 17px;
  background: var(--carte-forte);
}
.priorite .rang {
  counter-increment: prio; width: 26px; height: 26px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: rgba(74, 58, 255, .22); color: var(--accent-clair);
  font-size: 13px; font-weight: 600;
}
.priorite .rang::before { content: counter(prio); }
.priorite b { font-weight: 500; color: #fff; }
.priorite .gain { margin-left: auto; font-size: 13px; color: var(--warn); white-space: nowrap; }

.methode { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: 10px; }
.methode-etape {
  border: 1px solid var(--bord); border-radius: 14px; padding: 15px;
  background: var(--carte-forte);
}
.methode-etape.actif { border-color: var(--bord-accent); background: rgba(74, 58, 255, .13); }
.methode-etape .num { font-size: 11px; letter-spacing: .16em; color: var(--accent-clair); text-transform: uppercase; }
.methode-etape b { display: block; font-family: var(--serif); font-size: 1.15rem; color: #fff; margin: 5px 0 3px; }
.methode-etape span { font-size: 12.5px; color: var(--muet); }

.bloc-cta { background: rgba(74, 58, 255, .09); border: 1px solid var(--bord-accent); border-radius: 18px; padding: 24px; margin-top: 34px; }
.bloc-cta > h3 { border: none; padding: 0; margin-bottom: 8px; }
.bloc-cta p { color: var(--texte-doux); font-size: 14.5px; margin: 0 0 18px; }
.envoi-etat { margin: 14px 0 0; font-size: 13.5px; color: var(--ok); }
.envoi-etat.erreur { color: var(--ko); }

/* ---------- Pied de page ---------- */
.pied {
  position: relative; z-index: 2;
  display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
  padding: 22px clamp(18px, 4vw, 48px) 30px;
  max-width: 1080px; margin: 0 auto; width: 100%;
  font-size: 12.5px; color: var(--muet); border-top: 1px solid var(--bord);
}

/* ---------- Mobile ---------- */
@media (max-width: 620px) {
  .marque img { height: 30px; }
  .carte { border-radius: 16px; padding: 22px 18px; }
  .pied-etape { flex-wrap: wrap; }
  .pied-etape .btn { flex: 1 1 auto; }
  .etape-position { order: 3; width: 100%; text-align: center; }
  .btn { padding: 14px 20px; font-size: 14.5px; }
  .chiffres { grid-template-columns: 1fr 1fr; }
  .pied { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}