/* =========================================================================
   VD Studio — Feuille de style principale
   HTML5 + CSS3, sans framework. Design system centralisé par variables.
   ========================================================================= */

/* ----------------------------------------------------------------------
   1. Tokens (couleurs, typo, espacements, rayons, ombres)
   ---------------------------------------------------------------------- */
:root {
  /* Couleurs */
  --nuit: #0B1220;
  --blanc-casse: #F7F8FA;
  --blanc: #FFFFFF;
  --bleu: #2563EB;
  --bleu-hover: #1D4ED8;
  --bleu-clair: #DBEAFE;
  --gris-texte: #475569;
  --gris-bordure: #E2E8F0;
  --vert: #16A34A;
  --vert-fond: #DCFCE7;
  --rouge: #DC2626;
  --rouge-fond: #FEE2E2;

  /* Texte */
  --texte-fort: #0B1220;
  --texte: #334155;
  --texte-doux: #64748B;

  /* Typographie */
  --police: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Rayons */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 26px;
  --r-2xl: 34px;
  --r-full: 999px;

  /* Ombres discrètes */
  --ombre-xs: 0 1px 2px rgba(11, 18, 32, .05);
  --ombre-sm: 0 1px 3px rgba(11, 18, 32, .06), 0 1px 2px rgba(11, 18, 32, .04);
  --ombre-md: 0 8px 24px rgba(11, 18, 32, .07);
  --ombre-lg: 0 20px 45px rgba(11, 18, 32, .10);
  --ombre-xl: 0 30px 70px rgba(11, 18, 32, .14);
  --ombre-bleue: 0 14px 34px rgba(37, 99, 235, .28);
  --ombre-bleue-forte: 0 18px 46px rgba(37, 99, 235, .40);

  /* Dégradés signature */
  --grad-bleu: linear-gradient(135deg, #2563EB 0%, #4F7BF7 100%);
  --grad-bleu-doux: linear-gradient(135deg, #EEF4FF 0%, #F7F8FA 100%);
  --grad-nuit: linear-gradient(160deg, #0B1220 0%, #111C33 100%);
  --halo-bleu: radial-gradient(circle at 30% 30%, rgba(37,99,235,.20), rgba(37,99,235,0) 70%);
  --halo-clair: radial-gradient(circle at 50% 50%, rgba(219,234,254,.75), rgba(219,234,254,0) 72%);
  --halo-nuit: radial-gradient(circle at 40% 40%, rgba(79,123,247,.30), rgba(79,123,247,0) 70%);

  /* Motifs décoratifs */
  --pattern-points: radial-gradient(rgba(37,99,235,.14) 1.4px, transparent 1.4px);
  --pattern-grille: linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);

  /* Mise en page */
  --largeur-max: 1160px;
  --gouttiere: clamp(20px, 5vw, 40px);

  /* Transitions & courbes */
  --t-rapide: 160ms cubic-bezier(.22,.61,.36,1);
  --t-normal: 300ms cubic-bezier(.22,.61,.36,1);
  --t-lent: 550ms cubic-bezier(.22,.61,.36,1);
  --ease-doux: cubic-bezier(.22,.61,.36,1);
}

/* ----------------------------------------------------------------------
   2. Reset / base
   ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--police);
  font-size: 17px;
  line-height: 1.65;
  color: var(--texte);
  background: var(--blanc-casse);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--bleu); text-decoration: none; }
a:hover { color: var(--bleu-hover); }

h1, h2, h3, h4 { color: var(--texte-fort); line-height: 1.18; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }
p { margin: 0 0 1rem; }

ul { margin: 0; padding: 0; }
li { list-style: none; }

:focus-visible {
  outline: 3px solid var(--bleu);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Lien d'évitement */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 1000;
  background: var(--nuit);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--r-md);
  transition: top var(--t-normal);
}
.skip-link:focus { top: 16px; color: #fff; }

/* ----------------------------------------------------------------------
   3. Utilitaires de mise en page
   ---------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--largeur-max);
  margin: 0 auto;
  padding-inline: var(--gouttiere);
}
.wrap-etroit { max-width: 820px; }

section { padding-block: clamp(56px, 8vw, 104px); position: relative; }

.section-nuit { background: var(--grad-nuit); color: #C7D2E0; position: relative; isolation: isolate; overflow: clip; }
.section-nuit h2, .section-nuit h3 { color: #fff; }
.section-blanc { background: var(--blanc); position: relative; isolation: isolate; }

/* Halo signature — variante sombre, dérive très lente, présent sur chaque section nuit */
.section-nuit::before {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  width: 640px; height: 640px; border-radius: 50%;
  top: -220px; right: -160px;
  background: var(--halo-nuit);
  filter: blur(6px);
  animation: derive-a 26s var(--ease-doux) infinite alternate;
}
.section-nuit::after {
  content: ""; position: absolute; z-index: -1; pointer-events: none;
  width: 480px; height: 480px; border-radius: 50%;
  bottom: -200px; left: -140px;
  background: radial-gradient(circle at 50% 50%, rgba(37,99,235,.16), rgba(37,99,235,0) 70%);
  animation: derive-b 32s var(--ease-doux) infinite alternate;
}

/* Deux sections sombres qui se suivent = une seule bande continue :
   on retire les halos redondants à la jonction pour éviter tout effet de doublon. */
.section-nuit + .section-nuit::before,
.section-nuit + .section-nuit::after { display: none; content: none; }
.section-nuit:has(+ .section-nuit)::after { display: none; content: none; }

/* Transition douce entre une section blanche et la suivante */
.section-blanc + .section-blanc { border-top: 1px solid rgba(226,232,240,.7); }
.transition-douce { background: linear-gradient(180deg, var(--blanc) 0%, var(--blanc-casse) 100%); }

.entete-section { max-width: 680px; margin-bottom: 44px; }
.entete-section.centre { margin-inline: auto; text-align: center; }
.entete-section p { color: var(--texte-doux); font-size: 1.1rem; margin-bottom: 0; }

.eyebrow {
  display: inline-block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--bleu);
  background: var(--bleu-clair);
  padding: 6px 14px;
  border-radius: var(--r-full);
  margin-bottom: 18px;
}
.section-nuit .eyebrow { background: rgba(37, 99, 235, .18); color: #93B4FF; }

/* ----------------------------------------------------------------------
   4. Boutons
   ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font: inherit;
  font-weight: 600;
  line-height: 1;
  padding: 15px 26px;
  min-height: 50px;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background var(--t-rapide), border-color var(--t-rapide), transform var(--t-rapide), box-shadow var(--t-rapide);
  text-align: center;
}
.btn:active { transform: translateY(1px); }

.btn-primaire { background: var(--bleu); color: #fff; box-shadow: var(--ombre-sm); }
.btn-primaire:hover { background: var(--bleu-hover); color: #fff; box-shadow: var(--ombre-md); }

.btn-secondaire { background: var(--blanc); color: var(--texte-fort); border-color: var(--gris-bordure); }
.btn-secondaire:hover { background: var(--blanc-casse); color: var(--texte-fort); border-color: #CBD5E1; }

.btn-fantome { background: transparent; color: var(--bleu); border-color: transparent; padding-inline: 8px; }
.btn-fantome:hover { color: var(--bleu-hover); }
.btn-fantome-fonce { background: transparent; color: var(--texte-fort); border-color: var(--gris-bordure); }
.btn-fantome-fonce:hover { background: var(--blanc-casse); border-color: #CBD5E1; }
.btn-fantome-clair { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-fantome-clair:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); color: #fff; }

.btn-clair { background: #fff; color: var(--nuit); }
.btn-clair:hover { background: var(--bleu-clair); color: var(--nuit); }

.btn-large { width: 100%; }
.btn-grand { padding: 18px 32px; font-size: 1.05rem; min-height: 58px; }

/* ----------------------------------------------------------------------
   5. Header
   ---------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-bordure);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 70px;
}
.logo-lien { display: inline-flex; align-items: center; }
.logo-lien svg { height: 30px; width: auto; }

.nav-principale { display: flex; align-items: center; gap: 4px; }
.nav-principale a {
  color: var(--texte);
  font-weight: 500;
  font-size: .96rem;
  padding: 9px 13px;
  border-radius: var(--r-sm);
  transition: background var(--t-rapide), color var(--t-rapide);
}
.nav-principale a:hover { background: var(--blanc-casse); color: var(--texte-fort); }
.nav-principale a[aria-current="page"] { color: var(--bleu); }

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

.burger {
  display: none;
  background: none;
  border: 1px solid var(--gris-bordure);
  border-radius: var(--r-sm);
  width: 46px;
  height: 46px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.burger svg { width: 24px; height: 24px; }
.burger .icone-fermer { display: none; }
.burger[aria-expanded="true"] .icone-ouvrir { display: none; }
.burger[aria-expanded="true"] .icone-fermer { display: block; }

/* ----------------------------------------------------------------------
   6. Hero
   ---------------------------------------------------------------------- */
.hero { background: var(--blanc-casse); overflow: hidden; }
.hero-grille {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero-accroche { font-size: 1.2rem; color: var(--texte-doux); max-width: 46ch; }

.hero-prix { display: flex; align-items: baseline; gap: 12px; margin: 28px 0 6px; }
.hero-prix .montant { font-size: clamp(2.6rem, 6vw, 3.6rem); font-weight: 800; color: var(--texte-fort); letter-spacing: -.03em; }
.hero-prix .mention { color: var(--texte-doux); font-size: .95rem; }
.hero-sous-prix { color: var(--texte-doux); font-size: .95rem; margin-bottom: 28px; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.benefices { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.benefices li { display: flex; align-items: center; gap: 9px; font-weight: 500; color: var(--texte-fort); font-size: .96rem; }
.benefices .coche { color: var(--vert); flex: none; }

/* Mockup appareils (pur CSS/SVG) */
.mockup { position: relative; }
.mockup-desktop {
  background: #fff;
  border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg);
  box-shadow: var(--ombre-lg);
  overflow: hidden;
}
.mockup-barre {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--blanc-casse);
  border-bottom: 1px solid var(--gris-bordure);
}
.mockup-barre span { width: 11px; height: 11px; border-radius: 50%; background: var(--gris-bordure); }
.mockup-barre .url {
  margin-left: 10px;
  font-size: .78rem;
  color: var(--texte-doux);
  background: #fff;
  border: 1px solid var(--gris-bordure);
  border-radius: var(--r-full);
  padding: 4px 14px;
  flex: 1;
  max-width: 220px;
}
.mockup-ecran { display: block; width: 100%; }

.mockup-phone {
  position: absolute;
  right: -6%;
  bottom: -10%;
  width: 30%;
  min-width: 132px;
  max-width: 170px;
  background: var(--nuit);
  border-radius: 24px;
  padding: 8px;
  box-shadow: var(--ombre-lg);
}
.mockup-phone .ecran-phone {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  display: block;
}

/* ----------------------------------------------------------------------
   7. Bandeau confiance / bénéfices rapides
   ---------------------------------------------------------------------- */
.bandeau-confiance {
  border-top: 1px solid var(--gris-bordure);
  border-bottom: 1px solid var(--gris-bordure);
  background: #fff;
}
.bandeau-confiance ul {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-block: 22px;
}
.bandeau-confiance li {
  display: flex; align-items: center; gap: 10px;
  font-weight: 500; font-size: .95rem; color: var(--texte-fort);
  white-space: nowrap;
}
.bandeau-confiance .pastille {
  flex: none; width: 34px; height: 34px; border-radius: var(--r-sm);
  background: var(--bleu-clair); color: var(--bleu);
  display: grid; place-items: center;
}
.bandeau-confiance .pastille svg { width: 17px; height: 17px; }

/* ----------------------------------------------------------------------
   8. Cartes génériques
   ---------------------------------------------------------------------- */
.grille { display: grid; gap: 22px; }
.grille-2 { grid-template-columns: repeat(2, 1fr); }
.grille-3 { grid-template-columns: repeat(3, 1fr); }
.grille-4 { grid-template-columns: repeat(4, 1fr); }

.carte {
  background: #fff;
  border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--ombre-xs);
}
.carte h3 { margin-bottom: 8px; }
.carte p:last-child { margin-bottom: 0; }
.carte .icone-carte {
  width: 46px; height: 46px; border-radius: var(--r-md);
  background: var(--bleu-clair); color: var(--bleu);
  display: grid; place-items: center; margin-bottom: 18px;
}

/* Étapes numérotées (uniquement pour séquences réelles) */
.etapes { counter-reset: etape; }
.etape { position: relative; }
.etape .num {
  font-size: .95rem; font-weight: 700; color: var(--bleu);
  background: var(--bleu-clair);
  width: 42px; height: 42px; border-radius: var(--r-md);
  display: grid; place-items: center; margin-bottom: 16px;
}
.section-nuit .etape .num { background: rgba(37,99,235,.2); color: #93B4FF; }
.section-nuit .carte { background: #111A2B; border-color: #1E293B; color: #C7D2E0; }

/* Cartes "pour qui" */
.puce-metier {
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-md); padding: 16px 18px;
  font-weight: 600; color: var(--texte-fort);
  transition: border-color var(--t-rapide), box-shadow var(--t-rapide);
}
.puce-metier:hover { border-color: var(--bleu-clair); box-shadow: var(--ombre-sm); }
.puce-metier .ico { color: var(--bleu); flex: none; }

/* ----------------------------------------------------------------------
   9. Carte tarifaire
   ---------------------------------------------------------------------- */
.tarif {
  max-width: 560px; margin-inline: auto;
  background: #fff; border: 1.5px solid var(--gris-bordure);
  border-radius: var(--r-xl); padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--ombre-md); position: relative;
}
.tarif .ruban {
  position: absolute; top: 22px; right: 22px;
  background: var(--vert-fond); color: var(--vert);
  font-size: .8rem; font-weight: 700; padding: 6px 13px; border-radius: var(--r-full);
}
.tarif .tarif-titre { font-size: 1.05rem; font-weight: 600; color: var(--texte-doux); }
.tarif .tarif-montant { font-size: clamp(3rem, 8vw, 4.2rem); font-weight: 800; letter-spacing: -.03em; color: var(--texte-fort); line-height: 1; margin: 6px 0 4px; }
.tarif .tarif-mention { color: var(--texte-doux); font-size: .95rem; margin-bottom: 26px; }
.tarif-liste { display: grid; gap: 13px; margin: 0 0 30px; }
.tarif-liste li { display: flex; align-items: flex-start; gap: 11px; color: var(--texte); }
.tarif-liste .coche { color: var(--vert); flex: none; margin-top: 3px; }
.tarif-note { text-align: center; color: var(--texte-doux); font-size: .9rem; margin-top: 18px; margin-bottom: 0; }

/* ----------------------------------------------------------------------
   10. Réalisations
   ---------------------------------------------------------------------- */
.realisation {
  background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--ombre-xs);
  display: flex; flex-direction: column;
}
.realisation .visuel {
  position: relative; background: var(--blanc-casse);
  border-bottom: 1px solid var(--gris-bordure);
  padding: 26px 26px 0; overflow: hidden;
}
.realisation .visuel .mockup-desktop { border-radius: var(--r-md) var(--r-md) 0 0; box-shadow: var(--ombre-md); }
.realisation .corps { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.realisation .meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.realisation .secteur { font-size: .82rem; font-weight: 600; color: var(--bleu); background: var(--bleu-clair); padding: 4px 11px; border-radius: var(--r-full); }
.realisation h3 { margin: 0; }
.realisation .url { font-size: .9rem; color: var(--texte-doux); word-break: break-all; }
.realisation .fonctions { display: flex; flex-wrap: wrap; gap: 7px; }
.realisation .fonctions span { font-size: .8rem; background: var(--blanc-casse); border: 1px solid var(--gris-bordure); border-radius: var(--r-full); padding: 4px 10px; color: var(--texte); }
.realisation .corps .btn { margin-top: auto; }

/* Réalisation grand format (page réalisations) */
.realisation-large { grid-template-columns: 1.15fr 1fr; align-items: center; gap: clamp(28px, 5vw, 60px); display: grid; }
.realisation-large:nth-child(even) .visuel-large { order: 2; }
.visuel-large { position: relative; }

/* ----------------------------------------------------------------------
   11. Aperçu formulaire client (démo graphique)
   ---------------------------------------------------------------------- */
.demo-form {
  background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg); box-shadow: var(--ombre-md);
  padding: 28px; max-width: 440px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-content: start;
}
.demo-form h4 { grid-column: 1 / -1; margin: 0; font-size: 1.15rem; }
.demo-form .sous { grid-column: 1 / -1; font-size: .88rem; color: var(--texte-doux); margin: -8px 0 4px; }
.demo-champ { grid-column: 1 / -1; margin: 0; }
.demo-champ.demi { grid-column: span 1; }
.demo-form .btn { grid-column: 1 / -1; margin-top: 6px; }
.demo-champ label { display: block; font-size: .8rem; font-weight: 600; color: var(--texte-fort); margin-bottom: 6px; }
.demo-champ .faux {
  height: 44px; border: 1px solid var(--gris-bordure); border-radius: var(--r-sm);
  background: var(--blanc-casse); display: flex; align-items: center; padding: 0 12px;
  color: var(--texte-doux); font-size: .9rem;
}

/* ----------------------------------------------------------------------
   12. FAQ (accordéon accessible)
   ---------------------------------------------------------------------- */
.faq { max-width: 800px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--gris-bordure); }
.faq-item:first-child { border-top: 1px solid var(--gris-bordure); }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  font: inherit; font-weight: 600; color: var(--texte-fort); font-size: 1.08rem;
  padding: 22px 44px 22px 0; cursor: pointer; position: relative;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-question .chevron { flex: none; transition: transform var(--t-normal); color: var(--bleu); }
.faq-question[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.faq-reponse {
  overflow: hidden; max-height: 0;
  transition: max-height var(--t-normal);
}
.faq-reponse-inner { padding: 0 0 22px; color: var(--texte); max-width: 68ch; }
.faq-reponse-inner p:last-child { margin-bottom: 0; }

/* ----------------------------------------------------------------------
   13. Formulaires réels
   ---------------------------------------------------------------------- */
.champ { margin-bottom: 18px; }
.champ > label { display: block; font-weight: 600; color: var(--texte-fort); margin-bottom: 7px; font-size: .95rem; }
.champ .obligatoire { color: var(--rouge); }
.champ .aide { font-weight: 400; color: var(--texte-doux); font-size: .85rem; }

.input, .select, .textarea {
  width: 100%; font: inherit; color: var(--texte-fort);
  background: #fff; border: 1.5px solid var(--gris-bordure);
  border-radius: var(--r-sm); padding: 13px 15px;
  transition: border-color var(--t-rapide), box-shadow var(--t-rapide);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--bleu); box-shadow: 0 0 0 3px var(--bleu-clair);
}
.textarea { min-height: 130px; resize: vertical; }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] {
  border-color: var(--rouge); box-shadow: 0 0 0 3px var(--rouge-fond);
}
.erreur-champ { color: var(--rouge); font-size: .85rem; margin-top: 6px; min-height: 1px; }

.grille-champs { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.grille-champs .plein { grid-column: 1 / -1; }

fieldset { border: none; margin: 0 0 18px; padding: 0; }
legend { font-weight: 600; color: var(--texte-fort); margin-bottom: 10px; font-size: .95rem; padding: 0; }

.options-radio, .options-check { display: flex; flex-wrap: wrap; gap: 10px; }
.option-carte {
  display: flex; align-items: center; gap: 10px;
  border: 1.5px solid var(--gris-bordure); border-radius: var(--r-md);
  padding: 12px 16px; cursor: pointer; transition: border-color var(--t-rapide), background var(--t-rapide);
  font-weight: 500;
}
.option-carte:hover { border-color: var(--bleu-clair); }
.option-carte input { accent-color: var(--bleu); width: 18px; height: 18px; }
.option-carte:has(input:checked) { border-color: var(--bleu); background: var(--bleu-clair); }
.option-carte:has(input:focus-visible) { outline: 3px solid var(--bleu); outline-offset: 2px; }

.case-legale {
  display: flex; align-items: flex-start; gap: 12px;
  border: 1.5px solid var(--gris-bordure); border-radius: var(--r-md);
  padding: 16px; margin-bottom: 14px; cursor: pointer;
}
.case-legale input { accent-color: var(--bleu); width: 20px; height: 20px; margin-top: 2px; flex: none; }
.case-legale span { color: var(--texte); font-size: .95rem; }

/* Honeypot */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ----------------------------------------------------------------------
   14. Tunnel de devis
   ---------------------------------------------------------------------- */
.devis-page { background: var(--blanc-casse); min-height: 70vh; }
.devis-conteneur { max-width: 760px; margin-inline: auto; }

.stepper { display: flex; gap: 8px; margin-bottom: 34px; counter-reset: step; }
.stepper li {
  flex: 1; display: flex; flex-direction: column; gap: 8px;
  font-size: .85rem; color: var(--texte-doux); font-weight: 600;
}
.stepper li .barre { height: 5px; border-radius: var(--r-full); background: var(--gris-bordure); }
.stepper li .lib { display: flex; align-items: center; gap: 7px; }
.stepper li .pastille-etape {
  width: 22px; height: 22px; border-radius: 50%; background: var(--gris-bordure);
  color: #fff; display: grid; place-items: center; font-size: .72rem;
}
.stepper li[data-etat="actif"] { color: var(--bleu); }
.stepper li[data-etat="actif"] .barre { background: var(--bleu); }
.stepper li[data-etat="actif"] .pastille-etape { background: var(--bleu); }
.stepper li[data-etat="fait"] { color: var(--vert); }
.stepper li[data-etat="fait"] .barre { background: var(--vert); }
.stepper li[data-etat="fait"] .pastille-etape { background: var(--vert); }

.etape-devis { display: none; }
.etape-devis.active { display: block; animation: apparait var(--t-normal); }

.carte-etape {
  background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg); padding: clamp(24px, 4vw, 40px);
  box-shadow: var(--ombre-sm);
}
.carte-etape h2 { margin-bottom: 6px; }
.carte-etape .intro { color: var(--texte-doux); margin-bottom: 28px; }

.actions-etape { display: flex; justify-content: space-between; gap: 14px; margin-top: 28px; }
.actions-etape .btn { flex: 0 0 auto; }
.actions-etape .droite { margin-left: auto; }

/* Récapitulatif (étape 3) */
.recap { display: grid; gap: 0; }
.recap-bloc { padding: 18px 0; border-bottom: 1px solid var(--gris-bordure); }
.recap-bloc:last-child { border-bottom: none; }
.recap-bloc h3 { font-size: 1rem; margin-bottom: 10px; }
.recap-ligne { display: flex; justify-content: space-between; gap: 20px; padding: 4px 0; font-size: .95rem; }
.recap-ligne .libelle { color: var(--texte-doux); }
.recap-ligne .valeur { color: var(--texte-fort); font-weight: 500; text-align: right; }
.recap-total {
  display: flex; justify-content: space-between; align-items: baseline;
  background: var(--blanc-casse); border-radius: var(--r-md);
  padding: 18px 20px; margin-top: 16px;
}
.recap-total .lib { font-weight: 600; color: var(--texte-fort); }
.recap-total .prix { font-size: 1.8rem; font-weight: 800; color: var(--texte-fort); }

.ref-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--nuit); color: #fff; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: .9rem; padding: 8px 14px; border-radius: var(--r-sm);
}

/* États chargement / messages */
.chargement { display: inline-flex; align-items: center; gap: 10px; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff;
  animation: tourne .7s linear infinite;
}
.btn-secondaire .spinner, .spinner-fonce { border-color: var(--gris-bordure); border-top-color: var(--bleu); }

.message { border-radius: var(--r-md); padding: 15px 18px; margin-bottom: 20px; font-size: .95rem; display: none; }
.message.actif { display: block; }
.message-erreur { background: var(--rouge-fond); color: #991B1B; border: 1px solid #FCA5A5; }
.message-succes { background: var(--vert-fond); color: #166534; border: 1px solid #86EFAC; }
.message-info { background: var(--bleu-clair); color: #1E40AF; border: 1px solid #93C5FD; }

/* ----------------------------------------------------------------------
   15. Page merci
   ---------------------------------------------------------------------- */
.merci-hero { text-align: center; max-width: 620px; margin-inline: auto; }
.merci-icone {
  width: 78px; height: 78px; border-radius: 50%;
  background: var(--vert-fond); color: var(--vert);
  display: grid; place-items: center; margin: 0 auto 24px;
}
.merci-recap {
  background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg); padding: 26px; margin: 30px auto 0;
  max-width: 460px; text-align: left; box-shadow: var(--ombre-sm);
}

/* ----------------------------------------------------------------------
   16. Contenu légal (CGV, mentions, confidentialité)
   ---------------------------------------------------------------------- */
.doc-legal { max-width: 820px; margin-inline: auto; }
.doc-legal h2 { font-size: 1.4rem; margin-top: 44px; scroll-margin-top: 90px; }
.doc-legal h3 { font-size: 1.1rem; margin-top: 26px; }
.doc-legal ul.liste-legale { margin: 0 0 1rem; padding-left: 22px; }
.doc-legal ul.liste-legale li { list-style: disc; margin-bottom: 6px; }
.placeholder-legal {
  background: #FFF7ED; border: 1px dashed #FDBA74; color: #9A3412;
  border-radius: var(--r-sm); padding: 2px 8px; font-size: .95em; font-weight: 600;
}
.avis-legal {
  background: var(--bleu-clair); border-radius: var(--r-md);
  padding: 16px 18px; margin-bottom: 28px; font-size: .92rem; color: #1E40AF;
}
.sommaire-legal { background: #fff; border: 1px solid var(--gris-bordure); border-radius: var(--r-md); padding: 22px 26px; margin-bottom: 34px; }
.sommaire-legal ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 30px; }
.sommaire-legal li { list-style: decimal; margin-bottom: 5px; break-inside: avoid; }
.sommaire-legal a { color: var(--texte); }

/* ----------------------------------------------------------------------
   17. Admin
   ---------------------------------------------------------------------- */
.admin-connexion { max-width: 400px; margin: 60px auto; }
.tableau-admin { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--gris-bordure); border-radius: var(--r-md); overflow: hidden; font-size: .92rem; }
.tableau-admin th, .tableau-admin td { text-align: left; padding: 13px 15px; border-bottom: 1px solid var(--gris-bordure); }
.tableau-admin th { background: var(--blanc-casse); font-size: .8rem; text-transform: none; color: var(--texte-doux); font-weight: 600; }
.tableau-admin tr:last-child td { border-bottom: none; }
.tableau-admin .ref { font-family: ui-monospace, Menlo, monospace; font-size: .85rem; }
.badge-statut { font-size: .78rem; font-weight: 700; padding: 4px 10px; border-radius: var(--r-full); }
.st-SIGNED, .st-COMPLETED { background: var(--vert-fond); color: #166534; }
.st-AWAITING_SIGNATURE, .st-QUOTE_GENERATED { background: var(--bleu-clair); color: #1E40AF; }
.st-DRAFT { background: var(--blanc-casse); color: var(--texte-doux); }
.st-CANCELLED { background: var(--rouge-fond); color: #991B1B; }
.filtres-admin { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }

/* ----------------------------------------------------------------------
   18. Bloc CTA final
   ---------------------------------------------------------------------- */
.cta-final { text-align: center; }
.cta-final h2 { color: #fff; margin-bottom: 14px; }
.cta-final p { color: #C7D2E0; max-width: 52ch; margin: 0 auto 30px; }

/* ----------------------------------------------------------------------
   19. Footer
   ---------------------------------------------------------------------- */
.site-footer { background: var(--nuit); color: #94A3B8; padding-block: 56px 30px; }
.footer-haut { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer-marque svg { height: 30px; margin-bottom: 16px; }
.footer-marque p { max-width: 34ch; font-size: .95rem; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 9px; }
.footer-col a { color: #94A3B8; font-size: .93rem; }
.footer-col a:hover { color: #fff; }
.footer-bas {
  border-top: 1px solid #1E293B; padding-top: 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .88rem; color: #64748B;
}

/* ----------------------------------------------------------------------
   20. Univers graphique & animations
   ---------------------------------------------------------------------- */
@keyframes apparait { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes tourne { to { transform: rotate(360deg); } }
@keyframes flotte { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes flotte-lent { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-18px) rotate(2deg); } }
@keyframes pulse-lueur { 0%,100% { opacity: .55; transform: scale(1); } 50% { opacity: .82; transform: scale(1.06); } }
@keyframes derive-a { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(-46px,38px) scale(1.08); } }
@keyframes derive-b { 0% { transform: translate(0,0) scale(1); } 100% { transform: translate(40px,-32px) scale(1.1); } }
@keyframes derive-c { 0% { transform: translate(0,0); } 100% { transform: translate(24px,26px); } }

/* --- Halo signature réutilisable (élément réel) --- */
.halo {
  position: absolute; z-index: 0; pointer-events: none; border-radius: 50%;
  background: var(--halo-bleu); filter: blur(4px);
  width: 460px; height: 460px;
}
.halo--lg { width: 660px; height: 660px; }
.halo--sm { width: 300px; height: 300px; }
.halo--clair { background: var(--halo-clair); }
.halo--anime { animation: derive-a 24s var(--ease-doux) infinite alternate; }
.halo--anime-2 { animation: derive-b 30s var(--ease-doux) infinite alternate; }
.halo--pulse { animation: pulse-lueur 10s ease-in-out infinite; }

/* --- Motifs décoratifs discrets --- */
.deco-points {
  position: absolute; z-index: 0; pointer-events: none;
  background-image: var(--pattern-points); background-size: 20px 20px;
  opacity: .5; -webkit-mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
}
.deco-grille {
  position: absolute; z-index: 0; pointer-events: none;
  background-image: var(--pattern-grille); background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
}
/* --- Petites formes géométriques --- */
.deco-forme { position: absolute; z-index: 0; pointer-events: none; opacity: .9; }
.deco-anneau { border: 2px solid rgba(37,99,235,.22); border-radius: 50%; }
.deco-carre { border: 2px solid rgba(37,99,235,.18); border-radius: 8px; transform: rotate(18deg); }
.deco-pastille { background: var(--grad-bleu); border-radius: 50%; box-shadow: var(--ombre-bleue); }

/* On garde le contenu au-dessus des décors */
.wrap { position: relative; z-index: 1; }

/* --- Apparition au défilement (fade + montée), avec cascade --- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--t-lent), transform var(--t-lent); will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
/* Cascade automatique des enfants d'une grille marquée */
.reveal-groupe > * { opacity: 0; transform: translateY(20px); transition: opacity var(--t-lent), transform var(--t-lent); }
.reveal-groupe.visible > * { opacity: 1; transform: none; }
.reveal-groupe.visible > *:nth-child(2) { transition-delay: .07s; }
.reveal-groupe.visible > *:nth-child(3) { transition-delay: .14s; }
.reveal-groupe.visible > *:nth-child(4) { transition-delay: .21s; }
.reveal-groupe.visible > *:nth-child(5) { transition-delay: .28s; }
.reveal-groupe.visible > *:nth-child(6) { transition-delay: .35s; }

/* --- Hero en profondeur (plusieurs plans) --- */
.hero { position: relative; isolation: isolate; overflow: clip; }
.hero::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  top: -22%; right: -12%; width: 660px; height: 660px; border-radius: 50%;
  background: var(--halo-bleu); filter: blur(6px);
  animation: pulse-lueur 11s ease-in-out infinite;
}
.hero::after {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  bottom: -34%; left: -12%; width: 520px; height: 520px; border-radius: 50%;
  background: var(--halo-clair);
  animation: derive-c 28s var(--ease-doux) infinite alternate;
}
/* Grille très légère derrière le hero */
.hero .deco-grille { inset: 0; }
.hero-grille { position: relative; z-index: 1; }

/* Mockup : petits accents géométriques flottants */
.mockup { position: relative; }
.mockup::before {
  content: ""; position: absolute; z-index: -1; inset: -6% -8%;
  background: radial-gradient(circle at 70% 30%, rgba(37,99,235,.12), transparent 60%);
  filter: blur(8px); border-radius: 40px;
}
.mockup-phone { animation: flotte 6.5s ease-in-out infinite; }

/* --- Micro-interactions --- */
.carte, .realisation, .puce-metier, .tarif { transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal); }
.carte:hover, .realisation:hover { transform: translateY(-5px); box-shadow: var(--ombre-lg); border-color: var(--bleu-clair); }
.section-nuit .carte:hover { box-shadow: 0 22px 48px rgba(0,0,0,.4); border-color: #24344d; }
.puce-metier:hover { transform: translateY(-3px); }

/* Boutons : élévation + lueur + flèche animée */
.btn { transition: transform var(--t-rapide), background var(--t-rapide), color var(--t-rapide), box-shadow var(--t-normal), border-color var(--t-rapide); }
.btn .fleche { display: inline-block; transition: transform var(--t-normal); }
.btn:hover .fleche { transform: translateX(4px); }
.btn-primaire:hover { transform: translateY(-2px); box-shadow: var(--ombre-bleue); }
.btn-primaire:active { box-shadow: var(--ombre-bleue-forte); }
.btn-clair:hover { transform: translateY(-2px); box-shadow: var(--ombre-lg); }
.btn-secondaire:hover, .btn-fantome-fonce:hover { transform: translateY(-1px); }
.realisation .btn svg { transition: transform var(--t-normal); }
.realisation .btn:hover svg { transform: translate(3px, -3px); }

/* CTA principal : très léger halo lumineux */
.tarif .btn-primaire { position: relative; }
.tarif { position: relative; overflow: clip; }
.tarif::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  top: -40%; left: 50%; width: 420px; height: 420px; transform: translateX(-50%);
  background: var(--halo-bleu); filter: blur(10px); opacity: .7;
}
.tarif > * { position: relative; z-index: 1; }

/* Liens de navigation : soulignement animé */
.nav-principale a { position: relative; }
.nav-principale a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: var(--bleu); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform var(--t-normal);
}
.nav-principale a:hover::after, .nav-principale a[aria-current="page"]::after { transform: scaleX(1); }

/* Champs de formulaire : transition douce (déjà focus glow) */
.input, .select, .textarea { transition: border-color var(--t-normal), box-shadow var(--t-normal), transform var(--t-rapide); }

/* --- Timeline « Comment ça marche » --- */
.timeline { max-width: 760px; margin: 0 auto; display: grid; gap: 0; position: relative; z-index: 1; }
.timeline-etape { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding-bottom: 34px; position: relative; }
.timeline-etape:last-child { padding-bottom: 0; }
.timeline-etape::before {
  content: ""; position: absolute; left: 27px; top: 56px; bottom: 0; width: 2px;
  background: linear-gradient(var(--bleu), var(--gris-bordure)); opacity: .5;
}
.timeline-etape:last-child::before { display: none; }
.timeline-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--grad-bleu); color: #fff; font-weight: 800; font-size: 1.2rem;
  display: grid; place-items: center; box-shadow: var(--ombre-bleue); z-index: 1;
}
.timeline-corps { padding-top: 6px; }
.timeline-corps h3 { margin-bottom: 6px; }
.timeline-corps p { color: var(--texte-doux); margin-bottom: 0; }

/* Grille d'étapes toujours équilibrée */
.etapes-eq { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.etapes-eq.cinq { grid-template-columns: repeat(6, 1fr); }
.etapes-eq.cinq > * { grid-column: span 2; }
.etapes-eq.cinq > *:nth-last-child(2) { grid-column: 2 / span 2; }
.etapes-eq.cinq > *:last-child { grid-column: span 2; }

/* Liste compacte (ex. « ce qui n'est pas inclus ») */
.liste-compacte { gap: 4px 28px; }
.liste-compacte li { color: var(--texte); line-height: 1.4; padding: 2px 0; }

/* ----------------------------------------------------------------------
   25. Pages SEO : fil d'Ariane & liens connexes (cocons)
   ---------------------------------------------------------------------- */
.fil-ariane { padding: 14px 0 0; font-size: .86rem; color: var(--texte-doux); }
.fil-ariane ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.fil-ariane li { display: flex; align-items: center; gap: 6px; }
.fil-ariane li + li::before { content: "›"; color: var(--gris-bordure); }
.fil-ariane a { color: var(--texte-doux); }
.fil-ariane a:hover { color: var(--bleu); }
.fil-ariane [aria-current="page"] { color: var(--texte-fort); font-weight: 600; }

.contenu-seo h2 { margin-top: 8px; }
.contenu-seo > p, .contenu-seo > ul { max-width: 72ch; }
.contenu-seo ul { color: var(--texte); }
.contenu-seo .bloc-texte { margin-bottom: 34px; }

.liens-connexes .carte { display: flex; flex-direction: column; gap: 4px; }
.liens-connexes .carte a { font-weight: 700; color: var(--texte-fort); }
.liens-connexes .carte:hover a { color: var(--bleu); }
.liens-connexes .carte p { color: var(--texte-doux); font-size: .92rem; margin: 0; }
.liens-inline { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 6px 0 0; padding: 0; list-style: none; }
.liens-inline a { font-weight: 600; }

/* ----------------------------------------------------------------------
   21. Photographies (traitement graphique)
   ---------------------------------------------------------------------- */
.photo { position: relative; overflow: hidden; border-radius: var(--r-2xl); background: var(--bleu-clair); box-shadow: var(--ombre-lg); }
.photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.photo--voile-nuit::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,18,32,.10) 0%, rgba(11,18,32,.66) 100%); }
.photo--voile-bleu::after { content: ""; position: absolute; inset: 0; background: linear-gradient(150deg, rgba(11,18,32,.55) 0%, rgba(37,99,235,.30) 100%); }
.photo--ratio-portrait { aspect-ratio: 4 / 5; }
.photo--ratio-paysage { aspect-ratio: 3 / 2; }
.photo--ratio-large { aspect-ratio: 16 / 9; }

/* Composition photographique du hero (photo + mockup qui se chevauchent) */
.hero-compo { position: relative; }
.hero-compo .photo { aspect-ratio: 4 / 3.2; }
.hero-compo .puce-flottante {
  position: absolute; left: -18px; bottom: 26px; z-index: 3;
  background: #fff; border: 1px solid var(--gris-bordure); border-radius: var(--r-lg);
  box-shadow: var(--ombre-lg); padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  animation: flotte 7s ease-in-out infinite;
}
.hero-compo .puce-flottante .pastille { width: 34px; height: 34px; border-radius: 10px; background: var(--grad-bleu); color: #fff; display: grid; place-items: center; flex: none; }
.hero-compo .puce-flottante strong { display: block; font-size: .95rem; color: var(--texte-fort); line-height: 1.2; }
.hero-compo .puce-flottante span { font-size: .78rem; color: var(--texte-doux); }
.hero-compo .mockup-phone { position: absolute; right: -14px; bottom: -22px; z-index: 3; width: 132px; height: auto; box-shadow: var(--ombre-xl); border-radius: 22px; }

/* Bande texte / image asymétrique */
.bande-media { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 68px); align-items: center; }
.bande-media.inverse { grid-template-columns: .95fr 1.05fr; }
.bande-media.inverse .bande-texte { order: 2; }
.bande-media .photo { aspect-ratio: 4 / 3.4; }
.bande-media .photo .accent-coin { position: absolute; z-index: 2; }

/* Bande CTA avec photo de fond */
.cta-photo { position: relative; overflow: clip; isolation: isolate; }
.cta-photo .fond {
  position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover;
}
.cta-photo::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(150deg, rgba(11,18,32,.92) 0%, rgba(17,28,51,.82) 45%, rgba(37,99,235,.55) 100%);
}
.cta-photo .cta-final { color: #fff; }
.cta-photo .cta-final h2 { color: #fff; }

/* ----------------------------------------------------------------------
   22. Option Pack Visibilité Google
   ---------------------------------------------------------------------- */
.offre-combo { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(16px, 3vw, 30px); align-items: stretch; max-width: 900px; margin: 0 auto; }
.offre-combo .plus { align-self: center; font-size: 2rem; font-weight: 800; color: var(--bleu); }
.combo-carte { background: #fff; border: 1px solid var(--gris-bordure); border-radius: var(--r-xl); padding: 28px; box-shadow: var(--ombre-sm); display: flex; flex-direction: column; }
.combo-carte.principale { border-color: var(--bleu-clair); }
.combo-carte.option { border-style: dashed; background: linear-gradient(180deg, #fff, #FBFDFF); }
.combo-carte .etiquette { font-size: .78rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--bleu); }
.combo-carte h3 { margin: 6px 0 2px; font-size: 1.2rem; }
.combo-carte .prix-combo { font-size: 2rem; font-weight: 800; color: var(--texte-fort); margin: 6px 0 12px; }
.combo-carte .prix-combo small { font-size: .95rem; font-weight: 600; color: var(--texte-doux); }
.combo-carte p { color: var(--texte-doux); font-size: .95rem; margin-bottom: 0; }

/* Carte d'option sélectionnable dans le tunnel de devis */
.bloc-options { border: 0; padding: 0; margin: 8px 0 4px; }
.bloc-options legend { font-weight: 600; color: var(--texte-fort); margin-bottom: 10px; padding: 0; }
.option-pack { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border: 1.5px solid var(--gris-bordure); border-radius: var(--r-lg); cursor: pointer; transition: border-color var(--t-normal), box-shadow var(--t-normal), background var(--t-normal); background: #fff; }
.option-pack:hover { border-color: var(--bleu-clair); box-shadow: var(--ombre-sm); }
.option-pack input { margin-top: 3px; width: 20px; height: 20px; accent-color: var(--bleu); flex: none; }
.option-pack:has(input:checked) { border-color: var(--bleu); background: linear-gradient(180deg, #fff, #F5F9FF); box-shadow: var(--ombre-md); }
.option-pack-entete { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.option-pack-titre { font-weight: 700; color: var(--texte-fort); font-size: 1.05rem; }
.option-pack-prix { font-weight: 800; color: var(--bleu); }
.option-pack-desc { display: block; color: var(--texte-doux); font-size: .92rem; margin-top: 4px; }

/* Récapitulatif de prix dynamique (étape 3) */
.recap-devis { border: 1px solid var(--gris-bordure); border-radius: var(--r-lg); overflow: hidden; }
.recap-ligne-prix { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--gris-bordure); }
.recap-ligne-prix span:last-child { font-weight: 700; color: var(--texte-fort); }
.recap-devis .recap-total { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; background: var(--blanc-casse); }
.recap-devis .recap-total .lib { font-weight: 700; color: var(--texte-fort); }
.recap-devis .recap-total .prix { font-size: 1.5rem; font-weight: 800; color: var(--bleu); }

/* ----------------------------------------------------------------------
   23. Bouton « Retour en haut »
   ---------------------------------------------------------------------- */
.haut-page {
  position: fixed; right: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px); z-index: 60;
  width: 48px; height: 48px; border-radius: var(--r-full);
  background: var(--grad-bleu); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--ombre-bleue);
  opacity: 0; visibility: hidden; transform: translateY(14px) scale(.9);
  transition: opacity var(--t-normal), transform var(--t-normal), visibility var(--t-normal), box-shadow var(--t-normal);
}
.haut-page.visible { opacity: 1; visibility: visible; transform: none; }
.haut-page:hover { transform: translateY(-2px); box-shadow: var(--ombre-bleue-forte); }
.haut-page:focus-visible { outline: 3px solid var(--bleu-clair); outline-offset: 3px; }
.haut-page svg { width: 22px; height: 22px; }

/* ----------------------------------------------------------------------
   24. Réseaux sociaux (pied de page) & bandeau cookies
   ---------------------------------------------------------------------- */
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: #C7D2E0;
  transition: background var(--t-normal), color var(--t-normal), transform var(--t-rapide);
}
.footer-social a:hover { background: var(--bleu); color: #fff; transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }

.cookie-banner {
  position: fixed; left: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px); z-index: 70;
  max-width: 440px; background: #fff; border: 1px solid var(--gris-bordure);
  border-radius: var(--r-lg); box-shadow: var(--ombre-xl); padding: 20px 22px;
  opacity: 0; transform: translateY(14px); transition: opacity var(--t-normal), transform var(--t-normal);
}
.cookie-banner.visible { opacity: 1; transform: none; }
.cookie-banner p { margin: 0 0 14px; font-size: .92rem; color: var(--texte); }
.cookie-actions { display: flex; gap: 10px; justify-content: flex-end; }
.cookie-actions .btn { padding: 9px 16px; }
@media (max-width: 520px) {
  .cookie-banner { left: 12px; right: 12px; max-width: none; }
  .haut-page { bottom: 84px; }
}

/* ----------------------------------------------------------------------
   26. Témoignages
   ---------------------------------------------------------------------- */
.temoignages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.temoignage {
  background: #fff; border: 1px solid var(--gris-bordure); border-radius: var(--r-lg);
  padding: 26px; box-shadow: var(--ombre-sm); position: relative; display: flex; flex-direction: column;
}
.temoignage .guillemet { font-size: 2.6rem; line-height: 1; color: var(--bleu-clair); font-weight: 800; margin-bottom: 6px; }
.temoignage p { color: var(--texte); margin: 0 0 16px; }
.temoignage .auteur { margin-top: auto; font-weight: 600; color: var(--texte-fort); font-size: .95rem; }
.temoignage .badge-exemple {
  position: absolute; top: 14px; right: 14px; font-size: .7rem; font-weight: 700; letter-spacing: .03em;
  text-transform: uppercase; color: var(--texte-doux); background: var(--blanc-casse);
  border: 1px solid var(--gris-bordure); border-radius: var(--r-full); padding: 3px 9px;
}
@media (max-width: 780px) { .temoignages { grid-template-columns: 1fr; } }

/* ----------------------------------------------------------------------
   21. Responsive
   ---------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero-grille { grid-template-columns: 1fr; }
  .mockup { max-width: 520px; margin-inline: auto; }
  .footer-haut { grid-template-columns: 1fr 1fr; }
  .footer-marque { grid-column: 1 / -1; }
  .realisation-large, .realisation-large:nth-child(even) .visuel-large { grid-template-columns: 1fr; }
  .realisation-large:nth-child(even) .visuel-large { order: 0; }
}

@media (max-width: 780px) {
  .nav-principale, .header-actions .btn { display: none; }
  .burger { display: inline-flex; }

  .nav-mobile {
    position: fixed; inset: 70px 0 auto 0; z-index: 99;
    background: #fff; border-bottom: 1px solid var(--gris-bordure);
    padding: 16px var(--gouttiere) 24px;
    display: none; flex-direction: column; gap: 4px;
    box-shadow: var(--ombre-lg);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-mobile.ouvert { display: flex; }
  body.menu-ouvert { overflow: hidden; }
  .nav-mobile a { padding: 13px 12px; border-radius: var(--r-sm); color: var(--texte-fort); font-weight: 500; }
  .nav-mobile a:hover { background: var(--blanc-casse); }
  .nav-mobile .btn { margin-top: 10px; }

  .grille-2, .grille-3, .grille-4 { grid-template-columns: 1fr; }
  .grille-3.serre, .grille-4.serre { grid-template-columns: 1fr 1fr; }
  .sommaire-legal ol { columns: 1; }
  .stepper li .lib .texte { display: none; }

  /* Bandeau confiance : repli sur deux colonnes */
  .bandeau-confiance ul { flex-wrap: wrap; justify-content: flex-start; gap: 14px 28px; }
  .bandeau-confiance li { white-space: normal; flex: 1 1 40%; }

  /* Étapes équilibrées : deux colonnes */
  .etapes-eq, .etapes-eq.cinq { grid-template-columns: 1fr 1fr; }
  .etapes-eq.cinq > *, .etapes-eq.cinq > *:nth-last-child(2), .etapes-eq.cinq > *:last-child { grid-column: auto; }

  /* Compositions photo empilées */
  .bande-media, .bande-media.inverse { grid-template-columns: 1fr; }
  .bande-media.inverse .bande-texte { order: 0; }
  .offre-combo { grid-template-columns: 1fr; }
  .offre-combo .plus { justify-self: center; }
  .hero-compo { max-width: 520px; margin-inline: auto; }

  /* Alléger les décors sur mobile (performance) */
  .halo, .hero::before, .hero::after, .section-nuit::before, .section-nuit::after, .tarif::before { filter: none; }
  .halo--lg { width: 420px; height: 420px; }
  .deco-grille, .deco-points, .deco-forme { opacity: .35; }
  [data-parallax] { transform: none !important; }
}

@media (min-width: 781px) { .nav-mobile { display: none !important; } }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .grille-3.serre, .grille-4.serre { grid-template-columns: 1fr; }
  .demo-form { grid-template-columns: 1fr; }
  .demo-champ.demi { grid-column: 1 / -1; }
  .bandeau-confiance li { flex: 1 1 100%; }
  .grille-champs { grid-template-columns: 1fr; }
  .hero-prix .montant { font-size: 2.4rem; }
  .actions-etape { flex-direction: column-reverse; }
  .actions-etape .btn, .actions-etape .droite { width: 100%; }
  .deco-grille, .deco-points { display: none; }
}

/* ----------------------------------------------------------------------
   22. Préférence de mouvement réduit
   ---------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-groupe > * { opacity: 1 !important; transform: none !important; }
  .halo, .hero::before, .hero::after, .section-nuit::before, .section-nuit::after,
  .mockup-phone, [data-parallax] { animation: none !important; transform: none !important; }
}

/* ----------------------------------------------------------------------
   23. Impression
   ---------------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .btn, .burger { display: none !important; }
  body { background: #fff; }
}