/* =========================================================
   Prépa Polytech — feuille de style principale
   Palette, typo et composants partagés par toutes les pages.
   ========================================================= */

:root {
  /* Couleurs */
  --ink: #1A2238;
  --ink-soft: #46506A;
  --ink-faint: #8A91A6;
  --paper: #FCF8F3;
  --paper-2: #F3EADF;
  --coral: #E8503F;
  --coral-dark: #C63D2E;
  --teal: #2E6E7E;
  --line: rgba(26, 34, 56, 0.12);
  --grid: rgba(26, 34, 56, 0.05);
  --white: #ffffff;

  /* Typo */
  --display: "Fraunces", Georgia, serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Mesures */
  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background-color: var(--paper);
  /* Papier millimétré discret */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Typographie ---------- */
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 0.4em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); font-optical-sizing: auto; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1rem; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--coral);
  margin: 0 0 1rem;
  display: inline-block;
}
.eyebrow.teal { color: var(--teal); }
.eyebrow.faint { color: var(--ink-faint); }

.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }

.mono { font-family: var(--mono); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--body);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--coral);
  background: var(--coral);
  color: var(--white);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { background: var(--coral-dark); border-color: var(--coral-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(232, 80, 63, 0.25); }
.btn:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn.ghost:hover { background: var(--ink); color: var(--white); border-color: var(--ink); box-shadow: none; }

.btn.lg { font-size: 1.1rem; padding: 1em 2em; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
}
.brand .mark {
  width: 40px; height: 40px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(26,34,56,0.18);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active { color: var(--coral); }

.nav-cta { margin-left: 0.4rem; }

.lang-switch a {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  color: var(--ink-soft);
}
.lang-switch a:hover { color: var(--ink); border-color: var(--ink-soft); }

.menu-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  width: 44px; height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease;
}
.menu-toggle span::before { transform: translateY(-6px); }
.menu-toggle span::after { transform: translateY(4px); }

/* ---------- Sections ---------- */
section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-head { max-width: 62ch; margin-bottom: 3rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(3.5rem, 9vw, 7rem);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 .accent { color: var(--coral); font-style: italic; }
.hero .lead { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.hero-note {
  margin-top: 1.6rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--coral);
  padding-left: 1rem;
}

/* Carte courbe de progression */
.progress-card {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 1.6rem;
  color: var(--white);
  box-shadow: 0 30px 60px -20px rgba(26, 34, 56, 0.45);
}
.progress-card .pc-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.5rem;
}
.progress-card svg { width: 100%; height: auto; display: block; }
.progress-card .pc-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.4rem;
}

/* ---------- Grille de cartes "pourquoi" ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(26,34,56,0.4); }
.card .num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--coral);
  display: block;
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.97rem; }

/* ---------- Bande chiffres ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}
.stat { padding: 1.8rem 1.4rem; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat .n { font-family: var(--mono); font-size: 2rem; font-weight: 700; color: var(--ink); }
.stat .l { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Bande image (campus) ---------- */
.image-band {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  color: var(--white);
}
.image-band img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.image-band .overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: clamp(1.6rem, 4vw, 2.6rem);
  background: linear-gradient(to top, rgba(26,34,56,0.82), rgba(26,34,56,0.0));
}
.image-band h2 { color: var(--white); margin: 0; }
.image-band p { margin: 0.4rem 0 0; opacity: 0.92; max-width: 48ch; }

/* Photo dans un bloc split */
.media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 24px 50px -28px rgba(26,34,56,0.5);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Témoignage ---------- */
.quote {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(2.2rem, 5vw, 3.5rem);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
}
.quote blockquote {
  font-family: var(--display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  margin: 0 0 1.4rem;
  max-width: 48ch;
}
.quote .who {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--coral);
}

/* ---------- Témoignages (avis) ---------- */
.testi-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: start;
}
.testi-col { display: grid; gap: 1.4rem; }
.quote-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  box-shadow: 0 20px 44px -28px rgba(26, 34, 56, 0.42);
}
.quote-card .stars { color: var(--coral); letter-spacing: 3px; font-size: 0.95rem; margin-bottom: 0.9rem; }
.quote-card blockquote {
  font-family: var(--display);
  font-size: 1.12rem;
  line-height: 1.5;
  margin: 0 0 1rem;
  color: var(--ink);
}
.quote-card .who { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em; color: var(--coral); }
.media-frame.full { height: 100%; min-height: 240px; }

@media (max-width: 860px) {
  .testi-layout { grid-template-columns: 1fr; }
}

/* ---------- Bloc "en ligne" / split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.panel {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.2rem;
}
.price-tag {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--ink);
}
.price-tag .cur { font-size: 1rem; color: var(--ink-soft); }
.price-note { font-size: 0.9rem; color: var(--teal); font-family: var(--mono); }

/* ---------- Programme / timeline ---------- */
.timeline { border-left: 2px solid var(--line); margin-left: 0.5rem; padding-left: 0; }
.tl-item { position: relative; padding: 0 0 2.2rem 2rem; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  background: var(--coral);
  border-radius: 50%;
  border: 3px solid var(--paper);
}
.tl-item .day { font-family: var(--mono); font-size: 0.8rem; color: var(--coral); letter-spacing: 0.08em; }
.tl-item h3 { margin: 0.2rem 0 0.4rem; }
.tl-item p { color: var(--ink-soft); margin: 0; }

.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.subject {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 1.3rem;
}
.subject .tag { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-faint); display:block; margin-bottom: 0.4rem;}
.subject strong { display: block; font-size: 1.05rem; }

/* ---------- Lead magnet (guide gratuit) ---------- */
.lead-magnet {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3.4rem);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
}
.lm-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.6rem; align-items: center; }
.lead-magnet .eyebrow { color: var(--coral); }
.lead-magnet h2 { color: #fff; }
.lead-magnet > .lm-grid > div > p { color: rgba(255,255,255,0.82); }
.lm-list { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 0.6rem; }
.lm-list li { display: flex; gap: 0.6rem; color: rgba(255,255,255,0.9); font-size: 0.98rem; }
.lm-list li .check { color: var(--coral); font-weight: 700; flex: none; }

.lm-form {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 1.9rem);
  box-shadow: 0 30px 60px -24px rgba(0,0,0,0.45);
}
.lm-cover {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding-bottom: 1.2rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}
.lm-cover .badge {
  flex: none;
  width: 54px; height: 70px;
  border-radius: 6px;
  background: linear-gradient(160deg, var(--coral), var(--coral-dark));
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  box-shadow: 0 8px 18px -6px rgba(232,80,63,0.5);
}
.lm-cover .t { font-family: var(--display); font-weight: 600; font-size: 1.02rem; line-height: 1.25; }
.lm-cover .s { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }

.lm-form input[type="email"] {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  padding: 0.85em 0.9em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  margin-bottom: 0.9rem;
}
.lm-form input[type="email"]:focus { outline: none; border-color: var(--coral); background: var(--white); }
.lm-consent { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 1rem; }
.lm-consent input { margin-top: 0.2rem; accent-color: var(--coral); flex: none; }
.lm-form .btn { width: 100%; justify-content: center; }
.lm-fine { font-size: 0.76rem; color: var(--ink-faint); text-align: center; margin: 0.8rem 0 0; font-family: var(--mono); }

/* Conteneur du formulaire Brevo (iframe) */
.lm-embed {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -24px rgba(0,0,0,0.45);
}
.lm-embed iframe { display: block; width: 100%; border: 0; }

@media (max-width: 860px) { .lm-grid { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--coral);
  color: var(--white);
  border-radius: var(--radius);
  padding: clamp(2.4rem, 5vw, 3.6rem);
  text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band .btn.ghost { color: var(--white); border-color: rgba(255,255,255,0.6); }
.cta-band .btn.ghost:hover { background: var(--white); color: var(--coral); border-color: var(--white); }

/* ---------- Formules / plans (page inscription) ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: 0 22px 48px -26px rgba(26,34,56,0.42); }
.plan.featured { border-color: var(--coral); box-shadow: 0 22px 48px -26px rgba(232,80,63,0.4); }
.plan .plan-tag {
  position: absolute;
  top: -11px; left: 1.6rem;
  background: var(--coral);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
}
.plan .plan-name { font-family: var(--display); font-size: 1.3rem; font-weight: 600; margin: 0 0 0.2rem; }
.plan .plan-sub { font-size: 0.9rem; color: var(--ink-soft); margin: 0 0 1.2rem; }
.plan .plan-price { font-family: var(--mono); font-weight: 700; font-size: 2.3rem; color: var(--ink); line-height: 1; }
.plan .plan-price .cur { font-size: 0.95rem; color: var(--ink-soft); }
.plan .plan-note { font-family: var(--mono); font-size: 0.78rem; color: var(--teal); margin: 0.4rem 0 1.3rem; }
.plan ul { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; gap: 0.5rem; }
.plan ul li { display: flex; gap: 0.5rem; font-size: 0.92rem; color: var(--ink-soft); }
.plan ul li .check { color: var(--teal); font-weight: 700; flex: none; }
.plan .btn { margin-top: auto; width: 100%; justify-content: center; }

@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }

/* ---------- Formulaire ---------- */
.form-wrap {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2.5rem;
  align-items: start;
}
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
}
.field { margin-bottom: 1.3rem; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--ink);
}
.field label .req { color: var(--coral); }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  padding: 0.8em 0.9em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--coral);
  background: var(--white);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Choix de formule (radios en cartes) */
.options { display: grid; gap: 0.8rem; margin-bottom: 1.3rem; }
.option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.option:hover { border-color: var(--coral); }
.option input { accent-color: var(--coral); width: 18px; height: 18px; }
.option .o-main { display: flex; align-items: center; gap: 0.8rem; }
.option .o-title { font-weight: 600; }
.option .o-sub { font-size: 0.82rem; color: var(--ink-soft); }
.option .o-price { font-family: var(--mono); font-weight: 700; font-size: 1.1rem; }
.option:has(input:checked) { border-color: var(--coral); background: color-mix(in srgb, var(--coral) 7%, var(--white)); }

.duo-fields { display: none; border-top: 1px dashed var(--line); margin-top: 0.6rem; padding-top: 1.3rem; }
.duo-fields.show { display: block; }

/* Erreurs de formulaire */
.field-error { color: var(--coral-dark); font-size: 0.82rem; margin: 0.4rem 0 0; font-weight: 500; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--coral-dark); background: color-mix(in srgb, var(--coral) 5%, var(--white)); }
.error-summary {
  border: 1.5px solid var(--coral-dark);
  background: color-mix(in srgb, var(--coral) 8%, var(--white));
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  margin-bottom: 1.4rem;
}
.error-summary strong { color: var(--coral-dark); }
.error-summary ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.error-summary a { color: var(--coral-dark); }
.error-summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

.consent { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 1.4rem; }
.consent input { margin-top: 0.25rem; accent-color: var(--coral); }

.form-aside .panel { position: sticky; top: 90px; }
.form-aside ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.form-aside li { display: flex; gap: 0.6rem; padding: 0.5rem 0; font-size: 0.95rem; border-bottom: 1px solid var(--line); }
.form-aside li:last-child { border-bottom: none; }
.form-aside li .check { color: var(--teal); font-weight: 700; }

/* ---------- Équipe / profils ---------- */
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.profile {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 44px -30px rgba(26, 34, 56, 0.4);
}
.profile img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.profile .p-body { padding: 1.6rem; }
.profile h3 { margin: 0 0 0.2rem; }
.profile .role {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--coral);
  display: block;
  margin-bottom: 0.9rem;
}
.profile p { color: var(--ink-soft); margin: 0; font-size: 0.96rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 1.4rem;
}
.contact-card .c-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 0.6rem;
}
.contact-card a, .contact-card span { color: var(--ink); text-decoration: none; font-weight: 500; display: block; line-height: 1.8; }
.contact-card a:hover { color: var(--coral); }

/* Boutons sociaux (pied de page) */
.footer-social { display: flex; gap: 0.6rem; margin-top: 0.8rem; }
.footer-social a {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-soft);
}
.footer-social a:hover { color: var(--coral); border-color: var(--coral); }
.footer-social svg { width: 18px; height: 18px; }

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

/* ---------- Pied de page ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding-block: 3rem 2rem;
  background: var(--white);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 0.8rem; }
.footer-grid a { display: block; text-decoration: none; color: var(--ink-soft); font-size: 0.95rem; padding: 0.25rem 0; }
.footer-grid a:hover { color: var(--coral); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-family: var(--mono);
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 0.8rem; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  padding: 0 1.2rem;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.4rem;
  color: var(--coral);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 4px; }
.faq-item p { color: var(--ink-soft); margin: 0 0 1.1rem; max-width: 66ch; }

/* ---------- Pages légales ---------- */
.legal { max-width: 70ch; }
.legal h2 { margin-top: 2.5rem; font-size: 1.5rem; }
.legal p, .legal li { color: var(--ink-soft); }

/* ---------- Barre CTA mobile (sticky) ---------- */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 60;
  padding: 0.7rem 16px calc(0.7rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}
.mobile-cta .btn { width: 100%; justify-content: center; }

/* ---------- Utilitaires ---------- */
.center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.hidden { display: none; }

/* =========================================================
   Finitions premium : profondeur, mouvement, micro-interactions
   (progressive enhancement — activé seulement si JS présent ;
    entièrement neutralisé sous prefers-reduced-motion)
   ========================================================= */

/* Grain très subtil pour la profondeur */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Lueur douce derrière le hero */
.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  left: 50%;
  width: 70vw;
  max-width: 820px;
  height: 480px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--coral) 16%, transparent), transparent 68%);
  filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }

/* Titres mieux équilibrés */
h1, h2 { text-wrap: balance; }

/* Ombre d'en-tête qui apparaît au scroll */
.site-header { transition: box-shadow 0.25s ease, background 0.25s ease; }
.site-header.scrolled { box-shadow: 0 8px 30px -12px rgba(26, 34, 56, 0.18); }

/* Lien de navigation : soulignement animé */
.nav-links a:not(.btn) { position: relative; }
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after { transform: scaleX(1); }

/* Boutons : léger dégradé + brillance au survol */
.btn:not(.ghost) {
  background-image: linear-gradient(180deg, color-mix(in srgb, var(--coral) 92%, white) 0%, var(--coral) 100%);
}
.btn:not(.ghost):hover {
  background-image: linear-gradient(180deg, var(--coral) 0%, var(--coral-dark) 100%);
}

/* Entrée du hero au chargement */
@keyframes pp-rise {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.js-anim .hero .eyebrow,
.js-anim .hero h1,
.js-anim .hero .lead,
.js-anim .hero .hero-actions,
.js-anim .hero .hero-note,
.js-anim .hero .progress-card {
  animation: pp-rise 0.75s cubic-bezier(0.2, 0.6, 0.2, 1) both;
}
.js-anim .hero h1 { animation-delay: 0.06s; }
.js-anim .hero .lead { animation-delay: 0.14s; }
.js-anim .hero .hero-actions { animation-delay: 0.22s; }
.js-anim .hero .hero-note { animation-delay: 0.3s; }
.js-anim .hero .progress-card { animation-delay: 0.2s; }

/* La courbe "avec prépa" se dessine */
.js-anim .progress-card path:nth-of-type(2) {
  stroke-dasharray: 430;
  stroke-dashoffset: 430;
  animation: pp-draw 1.6s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}
@keyframes pp-draw { to { stroke-dashoffset: 0; } }

/* Révélation au scroll */
.js-anim .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.js-anim .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid, .split, .form-wrap { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-aside .panel { position: static; }

  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 24px 1.2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.7rem 0; width: 100%; }
  .nav-cta { margin: 0.6rem 0 0; }

  .mobile-cta { display: block; }
  /* Laisser de la place pour la barre CTA mobile */
  body.has-mobile-cta .site-footer { padding-bottom: 5.5rem; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .field-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none !important; animation: none !important; }
  /* Garder tout le contenu visible si les animations sont désactivées */
  .js-anim .reveal { opacity: 1 !important; transform: none !important; }
  .js-anim .progress-card path:nth-of-type(2) { stroke-dashoffset: 0 !important; }
  body::after { display: none; }
}