/* ==========================================================================
   Clapify — feuille de style unique
   Aucune police externe, aucune librairie : le site doit charger instantanément.
   C'est notre première démonstration commerciale.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs — base neutre chaude + un seul accent */
  --bg:            #fbfaf8;
  --bg-alt:        #f4f1eb;
  --surface:       #ffffff;
  --ink:           #14120f;
  --ink-2:         #3b3630;
  --muted:         #776f63;
  --line:          #e5dfd5;
  --line-strong:   #d3cabb;
  --accent:        #a8432a;
  --accent-hover:  #8b3520;
  --accent-soft:   #fbefe9;
  --dark:          #14120f;
  --dark-muted:    #a49a8c;
  --dark-line:     #2e2a24;

  /* Typographie — piles système uniquement (0 requête réseau) */
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Échelle fluide */
  --step--1: clamp(0.82rem, 0.79rem + 0.14vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.38vw, 1.44rem);
  --step-2:  clamp(1.45rem, 1.3rem + 0.72vw, 1.95rem);
  --step-3:  clamp(1.8rem, 1.52rem + 1.3vw, 2.75rem);
  --step-4:  clamp(2.2rem, 1.7rem + 2.3vw, 4rem);

  /* Rythme */
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --section-y: clamp(4rem, 9vw, 7.5rem);
  --radius: 4px;
  --radius-lg: 8px;
  --maxw: 1140px;
  --maxw-prose: 62ch;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); }

p { margin: 0 0 1.15em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

ul, ol { margin: 0 0 1.15em; padding-left: 1.15em; }
li { margin-bottom: 0.4em; }

strong { color: var(--ink); font-weight: 600; }

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

::selection { background: var(--accent); color: #fff; }

/* --------------------------------------------------------------------------
   3. Utilitaires de mise en page
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--dark); color: var(--dark-muted); }
.section--dark h2,
.section--dark h3 { color: #fbfaf8; }
.section--dark strong { color: #fbfaf8; }

.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.section--dark .eyebrow { color: #d98b6f; }

.lead {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: var(--maxw-prose);
}
.section--dark .lead { color: #cdc4b7; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 50%; top: 0;
  transform: translate(-50%, -120%);
  background: var(--ink); color: #fff;
  padding: 0.75rem 1.25rem; z-index: 200;
  text-decoration: none; border-radius: 0 0 var(--radius) var(--radius);
}
.skip-link:focus { transform: translate(-50%, 0); color: #fff; }

/* --------------------------------------------------------------------------
   4. Boutons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); color: #fff; }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.btn--light { background: #fbfaf8; color: var(--ink); }
.btn--light:hover { background: #fff; color: var(--ink); }

.btn--sm { padding: 0.6rem 1.1rem; font-size: var(--step--1); }
.btn--block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.btn-note {
  font-size: var(--step--1);
  color: var(--muted);
  margin: 1rem 0 0;
}

/* --------------------------------------------------------------------------
   5. En-tête
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 248, 0.88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px rgba(20, 18, 15, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.75rem;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.1rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 2rem; }

.nav-list {
  display: flex;
  gap: 1.85rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--step--1);
  font-weight: 500;
  padding-block: 0.4rem;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.nav-list a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; stroke: var(--ink); }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 4.75rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.75rem;
    transform: translateY(-140%);
    transition: transform .3s cubic-bezier(.4,0,.2,1);
    max-height: calc(100dvh - 4.75rem);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a {
    display: block;
    padding: 0.95rem 0;
    font-size: var(--step-0);
    border-bottom: 1px solid var(--line);
  }
  .nav .btn { margin-top: 1.25rem; }
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  padding-top: clamp(3rem, 7vw, 5.5rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.hero h1 { margin-bottom: 1.1rem; }
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lead { margin-bottom: 2rem; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  color: var(--muted);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 0.45rem; }
.hero-meta svg { width: 15px; height: 15px; stroke: var(--accent); flex: none; }

/* Carte de prix du hero */
.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  box-shadow: 0 1px 2px rgba(20,18,15,.03), 0 12px 40px -12px rgba(20,18,15,.09);
}

.price-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.35rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.price-card__amount {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.35rem;
}
.price-card__amount b { font-size: clamp(3rem, 7vw, 4rem); font-weight: 400; letter-spacing: -0.03em; }
.price-card__amount i { font-style: normal; font-size: var(--step-1); color: var(--muted); font-family: var(--font-body); }

.price-card__sub { font-size: var(--step--1); color: var(--muted); margin-bottom: 1.5rem; }

.price-card__list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
}
.price-card__list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin-bottom: 0.7rem;
  color: var(--ink-2);
}
.price-card__list svg { width: 16px; height: 16px; stroke: var(--accent); flex: none; margin-top: 3px; }

.price-card__foot {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  margin: 1rem 0 0;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   7. Bandeau de réassurance
   -------------------------------------------------------------------------- */
.strip {
  border-block: 1px solid var(--line);
  background: var(--bg-alt);
  padding-block: 1.5rem;
}
.strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
  font-size: var(--step--1);
  color: var(--muted);
}
.strip-inner b { color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   8. Grilles génériques
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* Carte « constat » */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
}
.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: var(--step--1); color: var(--muted); }
.card__num {
  font-family: var(--font-display);
  font-size: var(--step-3);
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 0.75rem;
}

.section--dark .card {
  background: #1c1915;
  border-color: var(--dark-line);
}
.section--dark .card p { color: var(--dark-muted); }

/* --------------------------------------------------------------------------
   9. Ce qui est inclus
   -------------------------------------------------------------------------- */
.included {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.included li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.4rem 1.5rem 1.4rem 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}
.included svg { width: 18px; height: 18px; stroke: var(--accent); flex: none; margin-top: 4px; }
.included b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 0.15rem; }
.included span { font-size: var(--step--1); color: var(--muted); line-height: 1.55; }

/* --------------------------------------------------------------------------
   10. Tarifs
   -------------------------------------------------------------------------- */
.pricing {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
@media (max-width: 860px) { .pricing { grid-template-columns: 1fr; } }

.plan {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
}
.plan--featured {
  border-color: var(--ink);
  border-width: 1.5px;
  box-shadow: 0 16px 48px -20px rgba(20,18,15,.18);
}
.plan h3 { font-size: var(--step-2); margin-bottom: 0.35rem; }
.plan__desc { font-size: var(--step--1); color: var(--muted); margin-bottom: 1.75rem; }

.plan__price {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.plan__price b { font-size: clamp(2.5rem, 5.5vw, 3.4rem); font-weight: 400; letter-spacing: -0.03em; }
.plan__price i { font-style: normal; font-size: var(--step-0); color: var(--muted); font-family: var(--font-body); }

.plan__then {
  font-size: var(--step--1);
  color: var(--muted);
  padding-bottom: 1.75rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.plan__then b { color: var(--ink); }

.plan ul { list-style: none; padding: 0; margin: 0 0 2rem; font-size: var(--step--1); }
.plan ul li { display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.65rem; }
.plan ul svg { width: 15px; height: 15px; stroke: var(--accent); flex: none; margin-top: 4px; }

/* Encadré transparence — point de vigilance n°1 de l'étude */
.transparency {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.transparency h3 { font-size: var(--step-1); margin-bottom: 1rem; }
.transparency ul { margin: 0; padding-left: 1.1rem; font-size: var(--step--1); color: var(--muted); }
.transparency li { margin-bottom: 0.55rem; }

/* --------------------------------------------------------------------------
   11. Calculateur de rentabilité
   -------------------------------------------------------------------------- */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }

.calc-controls {
  background: #1c1915;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
}

.field { margin-bottom: 2rem; }
.field:last-child { margin-bottom: 0; }

.field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: var(--step--1);
  font-weight: 600;
  color: #fbfaf8;
  margin-bottom: 0.9rem;
}
.field output {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: #e08a68;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--dark-line);
  border-radius: 100px;
  outline-offset: 8px;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #1c1915;
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #1c1915;
  box-shadow: 0 0 0 1px var(--accent);
  cursor: grab;
}
.field__scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--dark-muted);
  margin-top: 0.6rem;
}

.calc-result__big {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 11vw, 6.5rem);
  line-height: 0.95;
  color: #fbfaf8;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}
.calc-result__label {
  font-size: var(--step-1);
  color: #cdc4b7;
  margin-bottom: 2rem;
  max-width: 24ch;
}
.calc-result__rows {
  border-top: 1px solid var(--dark-line);
  font-size: var(--step--1);
}
.calc-result__rows div {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--dark-line);
}
.calc-result__rows dt { color: var(--dark-muted); margin: 0; }
.calc-result__rows dd { margin: 0; color: #fbfaf8; font-weight: 600; font-variant-numeric: tabular-nums; }
.calc-note { font-size: 0.8rem; color: var(--dark-muted); margin-top: 1.25rem; line-height: 1.55; }

/* --------------------------------------------------------------------------
   12. Méthode (remplace le portfolio)
   -------------------------------------------------------------------------- */
.steps { counter-reset: step; }

.step {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }

.step__num {
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--accent);
  line-height: 1;
  padding-top: 0.15rem;
}
.step__body h3 { margin-bottom: 0.5rem; }
.step__body p { color: var(--muted); max-width: 58ch; margin-bottom: 0; }
.step__body p + p { margin-top: 0.75rem; }

.step__time {
  font-size: var(--step--1);
  color: var(--muted);
  white-space: nowrap;
  padding-top: 0.4rem;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 760px) {
  .step { grid-template-columns: 3rem 1fr; }
  .step__time { grid-column: 2; padding-top: 0.75rem; }
}

.step__you {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: var(--step--1);
  color: var(--ink);
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
}
.step__you b { color: var(--accent); }

/* --------------------------------------------------------------------------
   13. L'agence
   -------------------------------------------------------------------------- */
.founders {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}
@media (max-width: 620px) { .founders { grid-template-columns: 1fr; } }

.founder {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
}
/* Portrait pleine largeur en haut de la carte. L'initiale reste dessous en
   repli : si le fichier image manque, on voit la lettre, pas une icône cassée
   (main.js retire l'<img> sur erreur de chargement). */
.founder__photo {
  position: relative;
  aspect-ratio: 5 / 4;
  margin: calc(clamp(1.5rem, 3vw, 2rem) * -1);
  margin-bottom: 1.5rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  background: var(--accent-soft);
}
.founder__photo::before {
  content: attr(data-initial);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  color: var(--accent);
}
.founder__photo img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  border-radius: 0;
}
.founder h3 { font-size: var(--step-1); margin-bottom: 0.15rem; }
.founder__role {
  font-size: var(--step--1);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}
.founder p { font-size: var(--step--1); color: var(--muted); margin: 0; }

/* --------------------------------------------------------------------------
   15. FAQ
   -------------------------------------------------------------------------- */
.faq { max-width: 52rem; margin-inline: auto; }

.faq details {
  border-bottom: 1px solid var(--line);
}
.faq details:first-of-type { border-top: 1px solid var(--line); }

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--ink);
  line-height: 1.3;
  transition: color .15s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }

.faq summary::after {
  content: "";
  flex: none;
  width: 12px; height: 12px;
  border-right: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }

.faq details p {
  color: var(--muted);
  max-width: var(--maxw-prose);
  padding-bottom: 1.5rem;
  font-size: var(--step-0);
}

/* --------------------------------------------------------------------------
   16. Formulaire d'audit
   -------------------------------------------------------------------------- */
.audit {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 860px) { .audit { grid-template-columns: 1fr; } }

.audit-promise { list-style: none; padding: 0; margin: 2rem 0 0; }
.audit-promise li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-top: 1px solid var(--dark-line);
  font-size: var(--step--1);
}
.audit-promise svg { width: 17px; height: 17px; stroke: #e08a68; flex: none; margin-top: 3px; }
.audit-promise b { display: block; color: #fbfaf8; margin-bottom: 0.1rem; }

.form {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-field { margin-bottom: 1.25rem; }
.form-field label {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.45rem;
}
.form-field .hint { font-weight: 400; color: var(--muted); }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: var(--step-0);
  transition: border-color .15s ease, background-color .15s ease;
}
.form-field textarea { resize: vertical; min-height: 6.5rem; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  background: var(--surface);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #a89e91; }

.form-consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}
.form-consent input { margin-top: 3px; accent-color: var(--accent); width: 16px; height: 16px; flex: none; }

.form-status {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  font-size: var(--step--1);
  display: none;
}
.form-status.is-error { display: block; background: #fdeceb; color: #8b2318; border: 1px solid #f3c9c4; }
.form-status.is-ok { display: block; background: #eaf4ec; color: #1f5b2e; border: 1px solid #c3e0c9; }

/* Anti-spam : champ leurre invisible */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* --------------------------------------------------------------------------
   17. Pied de page
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--dark);
  color: var(--dark-muted);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  font-size: var(--step--1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--dark-line);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; } }

.site-footer .logo { color: #fbfaf8; margin-bottom: 1rem; }
.site-footer p { color: var(--dark-muted); max-width: 34ch; }
.site-footer h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fbfaf8;
  margin: 0 0 1.1rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.65rem; }
.site-footer a { color: var(--dark-muted); text-decoration: none; }
.site-footer a:hover { color: #fbfaf8; text-decoration: underline; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   18. Pages secondaires (légal, merci)
   -------------------------------------------------------------------------- */
.page-narrow { max-width: 46rem; }
.page-narrow h2 { font-size: var(--step-2); margin-top: 2.5rem; }
.page-narrow h3 { font-size: var(--step-1); margin-top: 1.75rem; }
.page-narrow p, .page-narrow li { color: var(--ink-2); }
.page-narrow dl { margin: 0 0 1.5rem; }
.page-narrow dt { font-weight: 600; color: var(--ink); margin-top: 1rem; }
.page-narrow dd { margin: 0.2rem 0 0; }

.thanks { text-align: center; max-width: 40rem; margin-inline: auto; padding-block: clamp(4rem, 12vw, 8rem); }
.thanks__mark {
  width: 68px; height: 68px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  display: grid; place-items: center;
}
.thanks__mark svg { width: 30px; height: 30px; stroke: var(--accent); }

/* --------------------------------------------------------------------------
   19. Animations d'apparition
   -------------------------------------------------------------------------- */
/* Amélioration progressive : le contenu est visible par défaut.
   Il n'est masqué que si le JavaScript s'exécute (classe `js` posée dans le
   <head>) — sinon un tiers de la page serait invisible en cas d'échec du script. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* --------------------------------------------------------------------------
   20. Impression
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .nav-toggle, .form, .site-footer { display: none; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; }
}