/* =========================================================================
   Groupe Symposia — feuille de style commune
   Modifier les couleurs / typographies ici se répercute sur tout le site.
   ========================================================================= */

:root {
  /* Typographies */
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', var(--font-body);

  /* Corps de page — fond clair */
  --bg: #f6f5fb;
  --surface: #ffffff;
  --surface-tint: linear-gradient(180deg, rgba(124, 77, 255, .05), transparent);

  /* Textes sur fond clair */
  --ink: #141033;      /* titres */
  --ink-2: #2c2856;    /* texte fort */
  --text: #4a4670;     /* paragraphes */
  --text-2: #565273;   /* paragraphes secondaires */
  --muted: #7b77a3;    /* légendes, numéros */
  --muted-2: #8a86ad;

  /* Accents (charte) */
  --accent: #7c4dff;
  --accent-2: #d63af0;
  --accent-soft: #6a4fd6;   /* libellés / sur-titres */
  --gradient: linear-gradient(135deg, #7c4dff, #d63af0);
  --gradient-text: linear-gradient(120deg, #b98cff, #d63af0);

  /* Lignes et ombres */
  --line: rgba(60, 45, 130, .14);
  --line-soft: rgba(60, 45, 130, .10);
  --shadow-cta: 0 18px 40px -14px rgba(214, 58, 240, .55);

  /* Entête — fond sombre (conservé) */
  --head-bg: #050A26;
  --head-ink: #f3f2ff;
  --head-link: #b4b0dd;
  --head-line: rgba(150, 140, 255, .16);

  /* Mise en page */
  --container: 1200px;
  --radius: 16px;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
  line-height: 1.2
}

h2{
	font-size:38px;
}

p { margin: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
}

/* Dégradé de texte pour les mots mis en avant */
.accent-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Sur-titre (petit libellé espacé) */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--accent-soft);
  text-transform: uppercase;
}
.eyebrow--flag { display: inline-flex; align-items: center; gap: 12px; }
.eyebrow--flag::before {
  content: ""; width: 34px; height: 1px;
  background: var(--gradient);
}

/* ---------- Boutons & liens ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  padding: 16px 30px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn--primary:hover
{
	background: var(--accent);
}
.btn--ghost {
  background: transparent;
  color: var(--accent-soft);
  border-color: rgba(112, 72, 214, .35);
}

.link-arrow {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent-soft);
}
.link-arrow:hover { text-decoration: underline; }

/* =========================================================================
   ENTÊTE — fond sombre, menu responsive (PC -> mobile) en CSS pur
   ========================================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--head-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--head-line);
}
.head-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 80px; width: auto; }
.logo__kicker {
  display: flex; flex-direction: column; line-height: 1;
  font-family: var(--font-display);
}
.logo__kicker small {
  font-size: 9px; letter-spacing: .42em; color: #8b88c9; padding-left: 2px;
}
.logo__kicker strong {
  font-size: 20px; font-weight: 600; color: var(--head-ink); margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 34px; font-size: 15px; }
.nav a { color: var(--head-link); white-space: nowrap; }
.nav a:hover { color: var(--head-ink); }
.nav a.is-active { color: var(--head-ink); font-weight: 600; }
.nav__cta { display: none; }   /* CTA affiché dans le menu déroulant mobile */

.header-cta {
  border: 1px solid rgba(180, 170, 255, .35);
  padding: 11px 22px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: #eceaff;
  white-space: nowrap;
  background: var(--gradient);
}
.header-cta:hover { background: var(--accent); }

/* Bouton burger (label lié à une case à cocher masquée = pas de JS) */
.nav-toggle { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 40px;
  padding: 9px 8px;
  background: transparent;
  border: 1px solid rgba(180, 170, 255, .3);
  border-radius: 9px;
  cursor: pointer;
  flex: 0 0 auto;
}
.burger span {
  display: block; height: 2px; width: 100%;
  background: #e9e7ff; border-radius: 2px;
  transition: transform .28s ease, opacity .2s ease;
}
.nav-toggle:checked ~ .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked ~ .burger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked ~ .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================================
   SECTIONS
   ========================================================================= */
.section { padding: 88px 0; }
.section--sm { padding: 64px 0; }
.section--line { border-top: 1px solid var(--line-soft); }
.section--tint { background: radial-gradient(120% 100% at 85% 0%, rgba(124, 77, 255, .08), transparent 58%); }
.section--relative { position: relative; overflow: hidden; }

.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 38px; margin-top: 16px; }
.section-head--row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 32px;
}

/* Halos décoratifs */
.glow {
  position: absolute; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(124, 77, 255, .22), transparent 68%);
  filter: blur(20px); pointer-events: none; z-index: 0;
}
.glow--pink { background: radial-gradient(circle, rgba(214, 58, 240, .18), transparent 68%); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero .container { padding-top: 100px; padding-bottom: 84px; position: relative; z-index: 1; }
.hero__grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: center; }
.hero h1 { font-size: 58px; line-height: 1.07; margin: 26px 0; max-width: 760px; }
.hero__figure { display: flex; justify-content: center; }
.hero__figure img { height: 380px; width: auto; animation: symFloat 7s ease-in-out infinite; }
.hero__actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
@keyframes symFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.lead { font-size: 19px; color: var(--text); max-width: 580px; }

/* Rangée de chiffres (01..04) */
.stat-row { display: flex; margin-top: 64px; border-top: 1px solid var(--line-soft); padding-top: 26px; }
.stat { flex: 1; padding: 0 32px; }
.stat:first-child { padding-left: 0; }
.stat + .stat { border-left: 1px solid var(--line-soft); }
.stat__num { font-family: var(--font-display); color: var(--muted); font-size: 13px; }
.stat__label { font-size: 15px; color: var(--ink-2); margin-top: 8px; font-weight: 600; }

/* Bandeau référentiels */
.badge-band { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: rgba(124, 77, 255, .04); }
.badge-band .container {
  padding-top: 28px; padding-bottom: 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.badge-band__label { font-size: 14px; color: var(--muted); }
.badge-list { display: flex; align-items: center; gap: 36px; flex-wrap: wrap; }
.badge { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--ink-2); }
.dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

/* ---------- Grilles & cartes ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.split { display: grid; gap: 56px; align-items: center; }
.split--3-2 { grid-template-columns: 1.3fr 1fr; }
.split--wide-left { grid-template-columns: 1.4fr 1fr; align-items: start; }

.card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.card--tint { background: var(--surface-tint); }
.card--sm { padding: 28px; }
.card__num { font-family: var(--font-display); font-size: 14px; color: var(--muted); }
.card__kicker { font-family: var(--font-display); font-size: 13px; color: var(--muted); margin-bottom: 8px; letter-spacing: .04em; }
.card h3 { font-size: 23px; margin: 12px 0; }
.card h4 { font-size: 19px; margin: 0 0 10px; }
.card p { font-size: 16px; color: var(--text-2); }

/* Liste de mots-clés dans une carte */
.tag-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.tag-list li { font-size: 14.5px; color: var(--text-2); padding-left: 18px; position: relative; }
.tag-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* Bloc "terme + description" */
.deflist { display: grid; gap: 22px; }
.deflist dt { font-family: var(--font-display); font-weight: 600; font-size: 12px; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; margin-bottom: 6px; }
.deflist dd { margin: 0; font-size: 17px; color: var(--ink-2); }

/* Étapes A/B/C/D (méthode) */
.step { display: flex; gap: 20px; align-items: flex-start; }
.step__badge {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; color: #fff;
  background: var(--gradient);
}
.step h4 { font-size: 19px; margin: 0 0 6px; }
.step p { font-size: 15.5px; color: var(--text-2); }

/* Liste de bénéfices à puces cochées */
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.check-list li { font-size: 17px; color: var(--ink-2); padding-left: 34px; position: relative; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: #fff; background: var(--gradient);
}

/* Carte témoignage */
.quote-card {
  padding: 44px; border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 77, 255, .12), rgba(214, 58, 240, .07));
  border: 1px solid rgba(112, 72, 214, .22);
  display: flex; flex-direction: column; justify-content: space-between;
}
.quote-card blockquote {
  font-family: var(--font-display); font-weight: 500; font-size: 26px; line-height: 1.4;
  margin: 0 0 32px; color: var(--ink); letter-spacing: -.01em;
}
.quote-card__author { display: flex; align-items: center; gap: 14px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); flex: 0 0 auto; }
.quote-card__author strong { font-weight: 600; font-size: 15px; color: var(--ink); }
.quote-card__author span { font-size: 14px; color: var(--text-2); }

/* Bloc CTA de bas de page */
.cta-band .container {
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  position: relative; z-index: 1;
}
.cta-band h2 { font-size: 46px; margin: 16px 0; max-width: 620px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 22px; margin-top: 40px; }
.contact-info dt { font-family: var(--font-display); font-size: 12px; letter-spacing: .2em; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; }
.contact-info dd { margin: 0; font-size: 17px; color: var(--ink-2); }

.form-card {
  padding: 44px; border: 1px solid var(--line); border-radius: 20px;
  background: linear-gradient(180deg, rgba(124, 77, 255, .06), transparent);
}
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--ink); font-size: 15px; font-family: inherit;
}
.field textarea { resize: vertical; line-height: 1.55; min-height: 130px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 13px; color: var(--muted); text-align: center; margin-top: 16px; }
.form-success { text-align: center; padding: 40px 12px; }
.form-success__icon {
  width: 64px; height: 64px; border-radius: 50%; background: var(--gradient);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 24px;
  font-size: 30px; color: #fff;
}
.form-success h3 { font-size: 26px; margin: 0 0 12px; }
.form-success p { font-size: 16px; color: var(--text); max-width: 360px; margin: 0 auto 24px; }
.is-hidden { display: none !important; }

/* ---------- Pied de page ---------- */
.site-footer { border-top: 1px solid var(--line-soft); }
.site-footer .container {
  padding-top: 40px; padding-bottom: 40px;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--head-link); font-size: 14px; flex-wrap: wrap; gap: 16px;
  background: var(--head-bg); max-width: 100%
}
.site-footer .logo strong { color: var(--ink-2); font-size: 16px; }
.site-footer img { height: 30px; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 900px) {
  .container { padding-left: 22px; padding-right: 22px; }

  /* Menu déroulant mobile */
  .head-inner { padding: 0px 22px; }
  .burger { display: flex; }
  .header-cta { display: none; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(9, 12, 30, .98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--head-line);
    padding: 6px 22px 20px;
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
    transition: max-height .32s ease, opacity .25s ease;
  }
  .nav-toggle:checked ~ .nav { max-height: 80vh; opacity: 1; pointer-events: auto; }
  .nav a { padding: 15px 2px; border-bottom: 1px solid rgba(150, 140, 255, .12); font-size: 16px; }
  .nav__cta {
    display: block; text-align: center; margin-top: 16px; color: #fff; border: none;
    border-radius: 10px; padding: 15px; background: var(--gradient);
  }

  /* Empilement général */
  .grid-2, .grid-3, .grid-4,
  .hero__grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .split { gap: 32px; }
  .section-head--row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero__figure { order: -1; }
  .hero__figure img { display:none }/* image pas affichee en mode mobile */
  .stat-row { flex-direction: column; gap: 16px; text-align: center;}
  .stat, .stat:first-child { padding: 0; }
  .stat + .stat { border-left: none; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  
  .badge-list {gap: 19px;}
  .hero h1 {
        font-size: 34px;
        line-height: 1.12;
    }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero .container { padding-top: 56px; padding-bottom: 48px; }
  .hero h1 { font-size: 34px; line-height: 1.12; }
  .section-head h2, .cta-band h2, h2 { font-size: 27px; }
  .card h3 { font-size: 20px; }
  .quote-card blockquote { font-size: 21px; }
  .field-row { grid-template-columns: 1fr; }
  .form-card, .card { padding: 26px; }
  .site-footer div span { width: 100%; text-align: center }
  .badge-band {text-align: center}
  .badge-list {gap: 5px;}
}