/* ==========================================================================
   Design system — tokens · Charte « Vert-de-gris » (plan d'atelier)
   ========================================================================== */
:root {
  /* Couleurs — contexte par défaut = fond sombre */
  --bg: #0b2f26;          /* vert-de-gris, fond dominant */
  --bg-alt: #14503f;      /* vert établi — panneaux, sections alternées */
  --panel: #14503f;       /* vert établi, survols sur fond sombre */
  --paper: #f7f3e8;       /* cartes, documents, devis */
  --chalk: #eaf6f0;       /* craie — texte/traits sur fond sombre */
  --muted: #a3c2b4;       /* légendes techniques, tertiaire */

  /* Rôles texte — redéfinis localement dans .card (fond papier) */
  --ink: #eaf6f0;         /* texte principal (craie sur fond sombre) */
  --ink-soft: #b9d2c7;    /* texte secondaire */

  /* Accent — or, redéfini en vert dans les cartes claires */
  --accent: #f2c94c;      /* or — liens, accents, facette-cœur */
  --accent-deep: #f7d767; /* or clair — survols */
  --accent-soft: rgba(242, 201, 76, 0.14);
  --gold: #f2c94c;        /* or « CTA », constant tous fonds */
  --gold-hot: #f7d767;
  --gold-ink: #b98a2f;    /* or assombri, lisible en texte sur papier */

  --line: rgba(234, 246, 240, 0.35); /* traits de cote pointillés (fond sombre) */

  /* Typographie */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --fs-hero: clamp(2rem, 4.5vw + 0.5rem, 3.4rem);
  --fs-h2: clamp(1.6rem, 2.5vw + 0.5rem, 2.3rem);
  --fs-h3: 1.25rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;

  /* Espacements */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 2.75rem;
  --space-5: 4.5rem;
  /* Rythme vertical unique : toutes les sections utilisent cette variable */
  --section-gap: clamp(4rem, 10vw, 7.5rem);

  /* Séparateur pointillé systématique entre sections (or à faible opacité) */
  --separator: rgba(242, 201, 76, 0.25);

  /* Divers — angles vifs (plan d'atelier), pas d'arrondis */
  --radius: 0px;
  --radius-sm: 0px;
  --shadow: 0 14px 34px -18px rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 22px 46px -18px rgba(0, 0, 0, 0.6);
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --container: 68rem;

  /* Grille millimétrée réutilisable */
  --grid-line: rgba(234, 246, 240, 0.05);
  --grid: linear-gradient(var(--grid-line) 1px, transparent 1px),
          linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
}

/* ==========================================================================
   Base
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--chalk);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  text-wrap: balance;
  color: var(--chalk);
}
/* Intertitres — graisse 500 (charte : titre 40/700, intertitre 26/500) */
h3, h4 { font-weight: 500; }

p { margin: 0 0 var(--space-2); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); }

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow { max-width: 42rem; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-mono);
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Navigation clavier : anneau de focus or */
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(0, 0, 0, 0.6);
}

.nav {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: 0.9rem;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--chalk);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* « Algo » doré — repris de la facette-cœur du logo */
.brand-accent { color: var(--gold); }

/* Wordmark hors nav (pied de page) : même dessin mono */
.site-footer [data-brand] {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--chalk);
}

.nav__brand-mark {
  flex-shrink: 0;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 1.25rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
/* Chaque entrée reste sur une seule ligne (plus d'items cassés en deux). */
.nav__menu a { white-space: nowrap; }

.nav__menu a:not(.nav__cta) {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding-block: 0.3rem;
  transition: color var(--transition);
}
.nav__menu a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav__menu a:not(.nav__cta):hover,
.nav__menu a:not(.nav__cta).is-active { color: var(--chalk); }
.nav__menu a:not(.nav__cta):hover::after,
.nav__menu a:not(.nav__cta).is-active::after { transform: scaleX(1); }

.nav__cta {
  display: inline-block;
  background: var(--gold);
  color: var(--bg);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}
.nav__cta:hover { background: var(--gold-hot); transform: translateY(-1px); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--chalk);
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 1200px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: var(--space-1) 1.25rem var(--space-2);
    display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu li { padding-block: 0.4rem; }
  .nav__cta { text-align: center; margin-top: 0.5rem; }
  .nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
}

/* ==========================================================================
   Héro
   ========================================================================== */
.hero {
  padding-block: var(--section-gap);
  background-image: var(--grid);
  background-size: 28px 28px;
}
.hero--compact { padding-block: calc(var(--section-gap) * 0.7); }
.hero__inner { max-width: 50rem; }

/* Emblème hexagonal du héro (charte FIG. 06.1) */
.hero__emblem {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__emblem svg {
  width: min(30vw, 360px);
  height: auto;
}
@media (max-width: 820px) {
  .hero__emblem { display: none; }
}

.hero__eyebrow,
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-2);
}

.hero__title {
  font-size: var(--fs-hero);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.hero__title em {
  font-style: normal;
  color: var(--gold);
}

.hero__text {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 38rem;
  margin-bottom: var(--space-3);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Boutons */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn--primary {
  background: var(--gold);
  color: var(--bg);
}
.btn--primary:hover {
  background: var(--gold-hot);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn--ghost {
  border: 1.5px dashed var(--ink-soft);
  color: var(--ink);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-2px);
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding-block: var(--section-gap); }
/* Charte : fond unique #0B2F26 quadrillé, rythmé par des filets pointillés,
   pas de bandes alternées. #14503F est réservé aux panneaux (teaser, badges). */
.section--alt { background: transparent; }
.section--slim { padding-block: calc(var(--section-gap) * 0.6); }

/* Séparateur pointillé systématique entre sections (retour graphiste) */
main > .section { border-top: 1px dashed var(--separator); }

.section__head {
  margin-bottom: var(--space-4);
  max-width: 40rem;
}
.section__title { font-size: var(--fs-h2); margin-bottom: 0; }

/* Points clés (offre vitrines) */
.points {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: 44rem;
}
.points li {
  padding-left: 1.9rem;
  position: relative;
  color: var(--ink-soft);
}
.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 1.05rem;
  height: 1.05rem;
  background: var(--accent-soft) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="none" stroke="%23f2c94c" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" d="M3.5 8.5l3 3 6-7"/></svg>') center / 0.7rem no-repeat;
}

/* Cartes — papier #f7f3e8 sur fond sombre (jamais de blanc pur) */
.card {
  --ink: #0b2f26;         /* texte foncé sur papier */
  --ink-soft: #4a5a50;
  --accent: #14503f;      /* accents/liens verts dans les cartes */
  --accent-deep: #0b2f26;
  --accent-soft: rgba(20, 80, 63, 0.12);
  --line: #d9d0bc;
  /* Traitement « 06.3 — En-tête de devis · version papier » de la charte :
     papier millimétré vert 24 px, bordure #d9d0bc, ombre douce de document. */
  background-color: var(--paper);
  background-image: linear-gradient(rgba(20, 80, 63, 0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(20, 80, 63, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  border: 1px solid #d9d0bc;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card h3, .card h4 { color: var(--ink); }

/* Tarifs */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: var(--space-3);
  align-items: stretch;
}
.price-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.price-card--featured { border-color: var(--gold-ink); border-width: 1.5px; }

.badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 0.32rem 0.75rem;
  margin-bottom: var(--space-2);
}

.price-card__name { font-size: var(--fs-h3); margin-bottom: 0.25rem; }
.price-card__price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--space-2);
}
.price-card__desc { color: var(--ink-soft); flex: 1; }
.price-card__btn { align-self: flex-start; }

.pricing__note {
  margin-top: var(--space-3);
  font-size: var(--fs-small);
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.pricing__note + .pricing__note { margin-top: var(--space-2); }

/* Définitions des forfaits maintenance */
.maintenance__defs { margin-top: var(--space-4); }
.maintenance__defs-title {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}
.points--defs { margin-bottom: 0; max-width: 52rem; }
.points--defs li { font-size: var(--fs-small); }
.points--defs strong { color: var(--ink); }

/* Forfait Visibilité : complément référencement, visuellement distinct
   des trois niveaux de maintenance (carte large, cadre pointillé or) */
.visibilite { margin-top: var(--space-4); }
.visibilite__card {
  max-width: 48rem;
  border: 1.5px dashed var(--gold-ink);
}
.visibilite__text { color: var(--ink-soft); }
.visibilite__note { max-width: 48rem; }

/* Encadré Parrainage : bouche-à-oreille récompensé */
.parrainage {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-color: var(--gold-ink);
  border-width: 1.5px;
  max-width: 48rem;
}
.parrainage__title { font-size: var(--fs-h3); margin-bottom: var(--space-1); }
.parrainage__text { color: var(--ink-soft); }
.parrainage__points { flex: initial; margin-bottom: var(--space-2); }
.parrainage__note { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 0; }

/* Maintenance & suivi */
.maintenance { margin-top: var(--space-5); }
.maintenance__head { margin-bottom: var(--space-3); }
.maintenance__title { font-size: clamp(1.35rem, 1.8vw + 0.5rem, 1.7rem); margin-bottom: var(--space-1); }
.maintenance__intro {
  color: var(--ink-soft);
  max-width: 44rem;
  margin-bottom: var(--space-3);
}

.billing-toggle {
  display: inline-flex;
  gap: 4px;
  background: rgba(234, 246, 240, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
}
.billing-toggle__btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  padding: 0.5rem 1.35rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.billing-toggle__btn:hover { color: var(--chalk); }
.billing-toggle__btn.is-active {
  background: var(--gold);
  color: var(--bg);
}
.billing-toggle__hint {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: inherit;
  opacity: 0.8;
}

.price-card__period {
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--ink-soft);
}
.price-card__meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: -0.35rem 0 var(--space-2);
}

.plan .price-card__name { font-size: var(--fs-h3); }
.plan__list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
  flex: 1;
}
.plan__list li {
  padding-left: 1.7rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 1rem;
  height: 1rem;
  background: var(--accent-soft) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="none" stroke="%2314503f" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" d="M3.5 8.5l3 3 6-7"/></svg>') center / 0.65rem no-repeat;
}

/* Outils métiers */
/* Hero — deux portes d'entrée */
.hero__doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.door {
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
}
.door__title { font-size: 1.2rem; margin-bottom: 0.4rem; color: var(--ink); }
.door__text { color: var(--ink-soft); font-size: 0.95rem; flex: 1; }
.door__btn { align-self: flex-start; }
@media (max-width: 700px) {
  .hero__doors { grid-template-columns: 1fr; }
}

/* Audit & outils métiers */
.outils-intro { max-width: 40rem; }
.outils-intro p { color: var(--ink-soft); }
/* Intertitres de section (ex. mentions légales) : rendu charte 26/500, pas la taille UA par défaut. */
.outils-intro h2 { font-size: var(--fs-h3); font-weight: 500; margin-bottom: var(--space-1); }
.steps__title { font-size: var(--fs-h3); margin-top: var(--space-4); margin-bottom: var(--space-2); }
.steps {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}
.step { padding: var(--space-3); }
.step__num {
  display: inline-block;
  font-family: var(--font-display, inherit);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--gold-ink, var(--gold));
  margin-bottom: 0.35rem;
}
.step__name { font-size: 1.1rem; margin-bottom: 0.4rem; }
.step__text { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 0; }
@media (max-width: 820px) {
  .steps { grid-template-columns: 1fr; }
}
.outils-exemples { max-width: 40rem; color: var(--ink-soft); }

/* Mini-flux avant / après */
.flows-intro { max-width: 40rem; color: var(--ink-soft); margin-bottom: var(--space-3); }
.flow { margin-bottom: var(--space-4); }
.flow:last-of-type { margin-bottom: var(--space-3); }
.flow__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--line);
}
.flow__track {
  display: grid;
  grid-template-columns: 1.15fr auto 0.85fr auto 1.1fr;
  align-items: center;
  gap: var(--space-1);
}
.flow__zone { min-width: 0; }
.flow__label {
  font-family: var(--font-mono, monospace);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.flow__zone--tool .flow__label { color: var(--gold); }
.flow__zone--after .flow__label { color: var(--chalk); }
.flow__steps {
  list-style: none;
  counter-reset: flowstep;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.flow__step {
  counter-increment: flowstep;
  position: relative;
  padding: 0.5rem 0.7rem 0.5rem 2.1rem;
  font-size: 0.9rem;
  line-height: 1.4;
  background: rgba(11, 47, 38, 0.55);
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.flow__step::before {
  content: counter(flowstep);
  position: absolute;
  left: 0.7rem;
  top: 0.5rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}
.flow__step--pain {
  border-left: 3px solid #e07856;
}
.flow__zone--after .flow__step {
  background: rgba(20, 80, 63, 0.6);
  border-color: rgba(234, 246, 240, 0.28);
  color: var(--chalk);
}
.flow__zone--after .flow__step::before { color: var(--chalk); }
.flow__tool {
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--accent-soft, rgba(242, 201, 76, 0.14));
  border: 1.5px solid var(--gold);
  color: var(--gold-hot, var(--gold));
  font-family: var(--font-display, inherit);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.35;
}
.flow__gain {
  margin: 0.65rem 0 0;
  padding: 0.55rem 0.9rem;
  display: inline-block;
  background: var(--gold);
  color: #0b2f26;
  font-family: var(--font-mono, monospace);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow);
}
.flow__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-ink, var(--gold));
}
@media (max-width: 820px) {
  .flow__track {
    grid-template-columns: 1fr;
    justify-items: stretch;
    gap: 0.6rem;
  }
  .flow__arrow { justify-content: flex-start; padding-left: 0.7rem; }
  .flow__arrow svg { transform: rotate(90deg); }
  .flow__gain { display: block; text-align: center; }
}

/* Stagger d'apparition : avant, puis outil, puis après et gain */
.flow .flow__step,
.flow .flow__tool,
.flow .flow__gain,
.flow .flow__arrow {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.flow.is-visible .flow__step,
.flow.is-visible .flow__tool,
.flow.is-visible .flow__gain,
.flow.is-visible .flow__arrow {
  opacity: 1;
  transform: none;
}
.flow.is-visible .flow__zone--before .flow__step:nth-child(1) { transition-delay: 0ms; }
.flow.is-visible .flow__zone--before .flow__step:nth-child(2) { transition-delay: 80ms; }
.flow.is-visible .flow__zone--before .flow__step:nth-child(3) { transition-delay: 160ms; }
.flow.is-visible .flow__zone--before .flow__step:nth-child(4) { transition-delay: 240ms; }
.flow.is-visible .flow__arrow { transition-delay: 320ms; }
.flow.is-visible .flow__tool { transition-delay: 400ms; }
.flow.is-visible .flow__zone--after .flow__step:nth-child(1) { transition-delay: 520ms; }
.flow.is-visible .flow__zone--after .flow__step:nth-child(2) { transition-delay: 600ms; }
.flow.is-visible .flow__gain { transition-delay: 720ms; }
@media (prefers-reduced-motion: reduce) {
  .flow .flow__step,
  .flow .flow__tool,
  .flow .flow__gain,
  .flow .flow__arrow {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Encadré Diagnostic — produit d'appel */
.diagnostic {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-color: var(--gold-ink, var(--gold));
  border-width: 1.5px;
  max-width: 48rem;
}
.diagnostic__title { font-size: var(--fs-h3); margin-bottom: var(--space-1); }
.diagnostic__text { color: var(--ink-soft); }
.diagnostic__btn { margin-top: var(--space-1); }

/* ==========================================================================
   Réalisations
   ========================================================================== */
.works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-3);
}
.work { overflow: hidden; display: flex; flex-direction: column; }
.work:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.work__media {
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.work__media img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
}
.work:hover .work__media img { transform: scale(1.035); }
.work__media--soon { opacity: 0.75; }

/* Vitrine sur appareils : Mac (desktop) + iPhone (mobile), captures réelles */
.work__media--devices {
  position: relative;
  aspect-ratio: 8 / 5;
  padding: 7% 6% 0;
  background:
    radial-gradient(110% 85% at 15% 0%, var(--panel), transparent 60%),
    var(--bg);
}
.work__media--devices img {
  aspect-ratio: auto;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.work:hover .work__media--devices img { transform: none; }

.device--laptop {
  display: block;
  position: relative;
  width: 76%;
  margin-left: 4%;
  aspect-ratio: 16 / 10;
  background: var(--bg);
  border: 4px solid var(--bg);
  border-radius: 0;
  box-shadow: 0 20px 32px -20px rgba(0, 0, 0, 0.7);
}
.device--laptop img { border-radius: 0; }
.device--laptop::after {
  content: "";
  position: absolute;
  left: -7%;
  right: -7%;
  bottom: -10px;
  height: 10px;
  background: linear-gradient(var(--panel), var(--bg));
  border-radius: 0;
}

.device--phone {
  display: block;
  position: absolute;
  right: 5.5%;
  bottom: 6%;
  width: 19%;
  aspect-ratio: 390 / 844;
  background: var(--bg);
  border: 3px solid var(--bg);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 16px 28px -14px rgba(0, 0, 0, 0.75);
  z-index: 1;
}
.device--phone::before {
  content: "";
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 36%;
  height: 5px;
  background: var(--panel);
  border-radius: 999px;
  z-index: 1;
}
.device--phone img { border-radius: 0; }

.work__body { padding: var(--space-2) var(--space-3) var(--space-3); flex: 1; }
.work__body h3 { font-size: 1.15rem; margin-bottom: 0.35rem; }
.work__body p { color: var(--ink-soft); font-size: 0.95rem; }
.work__hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-ink);
}

.work__link {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--accent);
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 1px;
  transition: color var(--transition);
}
.work__link:hover { color: var(--gold-ink); }

.tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-ink);
  border: 1px solid currentColor;
  border-radius: 0;
  padding: 0.15rem 0.5rem;
  vertical-align: middle;
  margin-left: 0.35rem;
}

/* Teaser Symbolea — panneau nuit, halo doré */
.teaser {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4);
  align-items: center;
  background:
    radial-gradient(36rem 22rem at 82% 10%, rgba(242, 201, 76, 0.16), transparent 60%),
    var(--panel);
  color: var(--chalk);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.teaser .section__eyebrow { color: var(--gold); }
.teaser h3 { font-size: 1.5rem; color: var(--chalk); }
.teaser p:last-child { margin-bottom: 0; color: var(--ink-soft); }
.teaser__media img { border-radius: var(--radius-sm); width: 100%; }

@media (max-width: 700px) {
  .teaser { grid-template-columns: 1fr; }
}

/* ==========================================================================
   À propos / Témoignages
   ========================================================================== */
.about__text {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 40rem;
  margin-bottom: var(--space-2);
}
.about__text:last-child { margin-bottom: 0; }
.about__text--lead {
  color: var(--chalk);
  font-weight: 500;
}

.testimonials-empty {
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  margin: 0;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-item {
  border-bottom: 1px dashed var(--line);
  padding-block: var(--space-2);
}
.faq-item summary {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--chalk);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--gold);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--gold); }
.faq-item p {
  margin: var(--space-2) 0 0;
  color: var(--ink-soft);
  max-width: 42rem;
}
.faq-item a { color: var(--gold); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-4);
  align-items: start;
}
@media (max-width: 820px) {
  .contact__grid { grid-template-columns: 1fr; }
}

.contact__form { padding: var(--space-3); }
.field { margin-bottom: var(--space-2); }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.optional { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--ink-soft); }

.field input,
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: rgba(11, 47, 38, 0.04);
  border: 1px solid rgba(11, 47, 38, 0.28);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.85rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold-ink);
  box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.25);
}

.form-status { margin: var(--space-2) 0 0; font-size: var(--fs-small); color: var(--ink-soft); }

.contact__direct { padding-top: var(--space-2); }
.contact__label { font-weight: 600; margin-bottom: var(--space-1); color: var(--chalk); }
.contact__phone {
  display: block;
  width: fit-content;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--chalk);
  text-decoration: none;
  margin-bottom: var(--space-1);
  transition: color var(--transition);
}
.contact__phone:hover { color: var(--gold); }
.contact__email {
  display: block;
  width: fit-content;
  margin-bottom: var(--space-2);
  color: var(--gold);
}
.contact__zone { color: var(--ink-soft); font-size: var(--fs-small); margin-bottom: 0; }

/* ==========================================================================
   Pied de page
   ========================================================================== */
.site-footer {
  border-top: 1px dashed var(--line);
  padding-block: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--gold); }

/* ==========================================================================
   Bouton flottant « retour en haut »
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 40;
  width: 48px;             /* zone tactile >= 44 px */
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--panel); /* vert profond */
  color: var(--gold);       /* flèche or */
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
/* Pendant le scroll actif : présent mais estompé, pleine opacité à l'arrêt */
.back-to-top.is-visible.is-scrolling { opacity: 0.3; }
.back-to-top:hover,
.back-to-top:focus-visible { opacity: 1; color: var(--gold-hot); }

/* ==========================================================================
   Animations de révélation au scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   Bandeau de réorientation PME (home → optimisation.html)
   ========================================================================== */
.pme-band {
  background: var(--bg-alt);
  padding: var(--space-2) 0;
}
.pme-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.pme-band__text {
  margin: 0;
  color: var(--ink-soft);
  max-width: 46rem;
}
.pme-band__text strong { color: var(--ink); }
.pme-band__btn { flex-shrink: 0; }

#offre .pricing__note { max-width: 44rem; }

/* FAQ : renvoi vers la page tarifs */
.faq-more { margin: var(--space-3) 0 0; color: var(--ink-soft); font-size: var(--fs-small); }