/* ============================================
   STRUXURA — DESIGN SYSTEM PARTAGÉ
   Repris et adapté du site struxura.com existant.
   Multi-pages réelles, plus de routage SPA.
   ============================================ */

:root {
  --bg: #f7f6f3;
  --bg-2: #eeecea;
  --cyan: #5ce1e6;
  --violet: #8c52ff;
  --cyan-dim: rgba(92, 225, 230, 0.12);
  --violet-dim: rgba(140, 82, 255, 0.1);
  --cyan-line: rgba(92, 225, 230, 0.4);
  --violet-line: rgba(140, 82, 255, 0.3);
  --dark: #1a1a2e;
  --dark-dim: rgba(26, 26, 46, 0.6);
  --dark-muted: rgba(26, 26, 46, 0.3);
  --font-main: 'Montserrat', sans-serif;
  --nav-height: 80px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Transition de navigation : fade léger partout (y compris mobile),
   amélioration progressive avec View Transitions sur Chrome/Edge desktop.
   Ignoré sans casse sur les navigateurs qui ne le supportent pas. */
@view-transition {
  navigation: auto;
}

@keyframes fadeInPage {
  from { opacity: 0; }
  to { opacity: 1; }
}

body {
  background: var(--bg);
  color: var(--dark);
  font-family: var(--font-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  animation: fadeInPage 0.35s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 100;
}
.blob-tr {
  position: fixed; top: -120px; right: -120px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(140, 82, 255, 0.12) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}
.blob-bl {
  position: fixed; bottom: -100px; left: -100px; width: 450px; height: 450px;
  background: radial-gradient(circle, rgba(92, 225, 230, 0.14) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}

h1, h2, h3, h4 { font-weight: 300; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4.5rem); letter-spacing: -0.02em; margin-bottom: 2rem; }
h1 strong {
  font-weight: 600;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 1.5rem; font-weight: 400; }
h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
p { font-size: 1rem; color: var(--dark-dim); margin-bottom: 1.5rem; }

.eyebrow {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 1rem; display: flex; align-items: center; gap: 14px;
}
.eyebrow::before {
  content: ''; display: inline-block; width: 32px; height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.container { position: relative; z-index: 10; max-width: 1200px; margin: 0 auto; padding: 0 5%; }
.section { padding-top: 100px; padding-bottom: 100px; }
.section.tight { padding-top: 60px; padding-bottom: 60px; }
.divider { width: 48px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--violet)); margin-bottom: 40px; border-radius: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; color: var(--bg); background: var(--dark);
  border-radius: 2px; transition: background 0.3s, transform 0.3s, color 0.3s; cursor: pointer; border: none;
}
.btn:hover { background: var(--violet); color: var(--bg) !important; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--dark); border: 1px solid var(--dark-muted); }
.btn-outline:hover { background: var(--dark); color: var(--bg); }

header {
  position: fixed; top: 0; left: 0; width: 100%; height: var(--nav-height);
  display: flex; align-items: center; z-index: 50;
  background: rgba(247, 246, 243, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cyan-dim); transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
header.scrolled {
  height: calc(var(--nav-height) - 15px); box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  background: rgba(247, 246, 243, 0.98); border-bottom-color: transparent;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo-img { height: 40px; width: auto; display: block; }

/* Groupe logo + switch de langue : reste visible à toutes les tailles d'écran,
   volontairement en dehors de .nav-links pour ne jamais être caché dans le menu burger. */
.nav-left { display: flex; align-items: center; gap: 16px; }
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 5px 11px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: var(--violet);
  border: 1px solid var(--violet); border-radius: 2px; transition: background 0.3s ease, color 0.3s ease;
  white-space: nowrap;
}
.lang-switch:hover { background: var(--violet); color: var(--bg); }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a.nav-item {
  position: relative; text-decoration: none; color: var(--dark); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; transition: color 0.3s; padding-bottom: 4px;
}
.nav-links a.nav-item:hover, .nav-links a.nav-item.active { color: var(--violet); }
.nav-links a.nav-item::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%) scale(0);
  width: 4px; height: 4px; border-radius: 50%; background: var(--violet); opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a.nav-item.active::after { opacity: 1; transform: translateX(-50%) scale(1); }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--dark); cursor: pointer; }

.hero { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; padding-top: calc(var(--nav-height) + 40px); }

.grid-5-cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; margin-top: 40px; }
.grid-5-cards .card { grid-column: span 2; }
.grid-5-cards .card:nth-child(4) { grid-column-start: 2; grid-column-end: 4; }
.grid-5-cards .card:nth-child(5) { grid-column-start: 4; grid-column-end: 6; }
.card {
  background: var(--bg-2); padding: 32px; border-top: 2px solid var(--cyan-line); border-radius: 2px;
  display: flex; flex-direction: column; height: 100%;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}
.card p:last-child { margin-bottom: 0; }
.card:hover { transform: translateY(-8px); border-color: var(--violet); box-shadow: 0 12px 30px rgba(0,0,0,0.06); }

.grid-3-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.grid-2x2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.metier-col { text-align: center; padding: 24px; }
.metier-col h3 { color: var(--violet); margin-bottom: 16px; }

.domaine-block { margin-bottom: 80px; padding-bottom: 80px; border-bottom: 1px solid var(--violet-line); }
.domaine-block:last-child { border-bottom: none; }
.domaine-conviction {
  font-size: 1.2rem; font-style: italic; color: var(--dark); margin: 24px 0;
  border-left: 3px solid var(--cyan); padding-left: 16px;
}
.module-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; background: var(--cyan-dim); color: var(--dark);
  padding: 4px 10px; margin: 0 8px 8px 0; border-radius: 2px; border: 1px solid var(--cyan-line);
}

.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.filter-btn {
  background: transparent; border: 1px solid var(--dark-muted); padding: 8px 16px; font-size: 0.75rem;
  font-weight: 600; cursor: pointer; color: var(--dark); transition: all 0.3s;
}
.filter-btn.active, .filter-btn:hover { background: var(--dark); color: var(--bg); border-color: var(--dark); }
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.module-card {
  background: var(--bg); border: 1px solid var(--dark-muted); padding: 32px; display: flex;
  flex-direction: column; height: 100%;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}
.module-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,0,0,0.06); border-color: var(--cyan); }
.module-card .btn-outline { margin-top: auto !important; }
.module-code { font-size: 0.7rem; color: var(--violet); font-weight: 600; margin-bottom: 8px; }
.module-badge {
  font-size: 0.6rem; padding: 4px 8px; background: var(--bg-2); display: inline-block; margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.module-badge.directe { border-left: 2px solid var(--cyan); }
.module-badge.sous-traitance { border-left: 2px solid var(--violet); }
.module-badge.mixte { border-left: 2px solid var(--dark); }

.narrative-section {
  max-width: 800px; margin: 0 auto 80px; padding-left: 32px; border-left: 1px solid var(--violet-line); position: relative;
}
.narrative-section::before {
  content: ''; position: absolute; left: -1px; top: 0; height: 40px; width: 2px;
  background: linear-gradient(180deg, var(--violet), var(--cyan));
  transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.narrative-section:hover::before { height: 100%; }
.narrative-section > p:first-of-type::first-letter {
  float: left; font-size: 3.8rem; line-height: 0.8; padding-top: 6px; padding-right: 14px;
  color: var(--violet); font-weight: 300; font-style: italic;
}

.foundation-block { margin-bottom: 60px; padding-bottom: 60px; border-bottom: 1px solid var(--violet-line); }
.foundation-block:last-child { border-bottom: none; }
.foundation-num { font-size: 0.75rem; color: var(--cyan); font-weight: 600; letter-spacing: 0.15em; margin-bottom: 8px; }

.phase-list { list-style: none; margin-top: 40px; counter-reset: phase; }
.phase-list li {
  position: relative; padding-left: 56px; margin-bottom: 32px; counter-increment: phase;
}
.phase-list li::before {
  content: counter(phase); position: absolute; left: 0; top: 0; width: 36px; height: 36px;
  background: var(--cyan-dim); border: 1px solid var(--cyan); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.85rem;
}
.phase-duration { font-size: 0.8rem; color: var(--violet); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.form-wrapper { background: var(--bg-2); padding: 40px; border-radius: 2px; max-width: 600px; }
.form-group { margin-bottom: 24px; }
.form-label { display: block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; color: var(--dark); }
.form-control {
  width: 100%; padding: 14px 16px; border: 1px solid var(--dark-muted); background: var(--bg);
  font-family: var(--font-main); font-size: 0.95rem; color: var(--dark); border-radius: 4px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}
.form-control:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-dim); background: #fff; }
.form-error { color: #d32f2f; font-size: 0.75rem; margin-top: 4px; display: none; }
.form-message { padding: 16px; margin-top: 24px; background: var(--cyan-dim); border: 1px solid var(--cyan); font-size: 0.9rem; display: none; }

.steps-list { list-style: none; margin-top: 40px; }
.steps-list li { position: relative; padding-left: 40px; margin-bottom: 24px; }
.steps-list li::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 24px; height: 24px;
  background: var(--cyan-dim); border: 1px solid var(--cyan); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.7rem;
}
.steps-list li:nth-child(1)::before { content: '1'; }
.steps-list li:nth-child(2)::before { content: '2'; }
.steps-list li:nth-child(3)::before { content: '3'; }
.steps-list li:nth-child(4)::before { content: '4'; }

footer { background: var(--dark); color: var(--bg); padding: 60px 0 20px; margin-top: 60px; }
.footer-link { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.3s ease; }
.footer-link:hover { color: var(--cyan); }
.footer-legal-text { color: rgba(255,255,255,0.35); }

/* COOKIE CONSENT BANNER */
#cookieBanner {
  position: fixed; bottom: 0; left: 0; width: 100%; z-index: 998;
  background: var(--dark); color: var(--bg); padding: 20px 5%;
  display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.15);
  transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
#cookieBanner.visible { transform: translateY(0); }
#cookieBanner p { color: rgba(255,255,255,0.75); font-size: 0.85rem; margin: 0; max-width: 640px; }
#cookieBanner .cookie-actions { display: flex; gap: 12px; flex-shrink: 0; }
#cookieBanner .btn { padding: 10px 20px; }
#cookieBanner .btn-outline { color: var(--bg); border-color: rgba(255,255,255,0.3); }
#cookieBanner .btn-outline:hover { background: rgba(255,255,255,0.1); color: var(--bg); }

@media (max-width: 1023px) {
  .grid-5-cards { grid-template-columns: repeat(2, 1fr); }
  .grid-5-cards .card { grid-column: span 1 !important; grid-column-start: auto !important; grid-column-end: auto !important; }
  .grid-3-cols, .grid-2x2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .container { padding-left: 24px; padding-right: 24px; }
  .section { padding-top: 70px; padding-bottom: 70px; }
  /* .hero doit rester au-dessus du header fixe (80px) : sans cette règle,
     le padding-top de .section (70px) prend le dessus sur celui de .hero
     et le texte du haut passe sous le header en mobile. */
  .hero { padding-top: calc(var(--nav-height) + 40px); }
  .card, .module-card, .form-wrapper { padding: 24px; }
  .nav-links {
    display: flex; position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg);
    flex-direction: column; padding: 24px; border-bottom: 1px solid var(--dark-muted);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05); opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .menu-toggle { display: block; }
  .lang-switch { font-size: 0.65rem; padding: 4px 9px; }
  .grid-5-cards, .grid-3-cols, .grid-2x2 { grid-template-columns: 1fr; }
  .grid-5-cards .card { grid-column: span 1 !important; grid-column-start: auto !important; grid-column-end: auto !important; }
  h1 { font-size: 2rem; }
  /* Bannière cookies compactée en mobile : moins de padding, texte et boutons
     plus petits, pour reprendre le moins de place possible sur les petits écrans. */
  #cookieBanner { flex-direction: column; align-items: flex-start; padding: 16px 20px; gap: 12px; }
  #cookieBanner p { font-size: 0.78rem; line-height: 1.45; }
  #cookieBanner .btn { padding: 9px 16px; font-size: 0.72rem; }
}

.ux-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.ux-reveal.ux-active { opacity: 1; transform: translateY(0); }

/* FAQ ACCORDION */
.faq-category { max-width: 800px; margin-bottom: 56px; }
.faq-category > p.eyebrow { margin-bottom: 24px; }
details.faq-item { border-bottom: 1px solid var(--violet-line); padding: 20px 0; }
details.faq-item summary {
  cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--dark);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: '+'; font-size: 1.5rem; font-weight: 300; color: var(--violet); flex-shrink: 0; line-height: 1;
}
details.faq-item[open] summary::after { content: '\2212'; }
details.faq-item p { margin-top: 16px; margin-bottom: 0; }
details.faq-item p + p { margin-top: 12px; }

/* QUIZ SÉLECTEUR DE MODULE */
.quiz-container { max-width: 720px; margin: 0 auto; }
.quiz-progress { display: flex; gap: 8px; margin-bottom: 48px; }
.quiz-progress-step { flex: 1; height: 3px; background: var(--dark-muted); border-radius: 2px; transition: background 0.4s ease; }
.quiz-progress-step.active { background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.quiz-step { display: none; }
.quiz-step.active { display: block; animation: fadeInPage 0.3s ease-out; }
.quiz-step .eyebrow { margin-bottom: 12px; }
.quiz-step h2 { margin-bottom: 36px; }
.quiz-options { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.quiz-option {
  display: block; padding: 20px 24px; border: 1px solid var(--dark-muted); border-radius: 4px;
  cursor: pointer; background: var(--bg); font-size: 0.95rem; color: var(--dark); line-height: 1.5;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.2s ease;
}
.quiz-option:hover { border-color: var(--cyan); transform: translateX(4px); }
.quiz-option.selected { border-color: var(--violet); background: var(--violet-dim); }
.quiz-nav { display: flex; justify-content: space-between; align-items: center; }
.quiz-back { background: none; border: none; color: var(--dark-dim); font-size: 0.8rem; cursor: pointer; text-decoration: underline; padding: 8px 0; }
.quiz-back:disabled { visibility: hidden; }

.quiz-result-intro { font-size: 1.05rem; margin-bottom: 32px; }
.result-module-card {
  background: var(--bg-2); border-left: 3px solid var(--violet); padding: 28px 32px; margin-bottom: 24px; border-radius: 2px;
}
.result-module-card .module-code { margin-bottom: 6px; }
.result-module-card h3 { margin-bottom: 8px; }
.result-module-card p { margin-bottom: 0; font-size: 0.9rem; }

@media (max-width: 767px) {
  .quiz-option { padding: 16px 20px; }
}