/* ============================================
   Tïss Evasion - Styles partagés
   Couleurs : Bleu #4fa3c7 | Vert #7ba325 | Orange #ffbb5f
   ============================================ */

:root {
  --bleu: #4fa3c7;
  --bleu-dark: #3a8aae;
  --vert: #7ba325;
  --vert-dark: #6a8e1f;
  --orange: #ffbb5f;
  --orange-dark: #f0a535;
  --gris-clair: #f8f9fa;
  --gris: #6c757d;
  --gris-dark: #343a40;
  --blanc: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gris-dark);
  line-height: 1.7;
  background: var(--blanc);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--bleu-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---- HEADER / NAV ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav-wrapper {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1200px; margin: 0 auto;
}
.nav-brand { font-size: 1.5rem; font-weight: 800; color: var(--bleu); letter-spacing: -0.5px; }
.nav-brand span { color: var(--vert); }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { color: var(--gris-dark); font-size: 0.9rem; font-weight: 500; position: relative; }
.nav-links a:hover { color: var(--bleu); }
.nav-links a.active { color: var(--bleu); }
.nav-cta {
  background: var(--orange); color: var(--gris-dark) !important; font-weight: 700;
  padding: 10px 22px; border-radius: 50px; font-size: 0.85rem;
}
.nav-cta:hover { background: var(--orange-dark); transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--gris-dark);
  margin: 5px 0; transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #e8f4f8 0%, #f0f7e8 50%, #fff8eb 100%);
  position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px; background: linear-gradient(transparent, var(--blanc));
}
.hero-content { max-width: 700px; position: relative; z-index: 1; }
.hero-badge {
  display: inline-block; background: rgba(79,163,199,0.12); color: var(--bleu);
  padding: 6px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
.hero h1 em { font-style: normal; color: var(--bleu); }
.hero p { font-size: 1.2rem; color: var(--gris); margin-bottom: 32px; max-width: 550px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 700;
  font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--bleu); color: var(--blanc); }
.btn-primary:hover { background: var(--bleu-dark); color: var(--blanc); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background: transparent; color: var(--gris-dark); border: 2px solid var(--gris-dark); }
.btn-secondary:hover { background: var(--gris-dark); color: var(--blanc); }
.btn-orange { background: var(--orange); color: var(--gris-dark); }
.btn-orange:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-vert { background: var(--vert); color: var(--blanc); }
.btn-vert:hover { background: var(--vert-dark); color: var(--blanc); transform: translateY(-2px); }

/* ---- SECTIONS ---- */
.section { padding: 80px 0; }
.section-alt { background: var(--gris-clair); }
.section-title {
  font-size: 2.2rem; font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.5px; line-height: 1.2;
}
.section-subtitle { color: var(--gris); font-size: 1.1rem; margin-bottom: 48px; max-width: 600px; }
.section-center { text-align: center; }
.section-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* ---- CARDS ---- */
.card-grid { display: grid; gap: 24px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--blanc); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card-img {
  height: 220px; background: linear-gradient(135deg, var(--bleu), var(--vert));
  display: flex; align-items: center; justify-content: center;
  color: var(--blanc); font-size: 3rem;
}
.card-body { padding: 24px; }
.card-body h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.card-body p { color: var(--gris); font-size: 0.95rem; }
.card-tag {
  display: inline-block; background: rgba(123,163,37,0.1); color: var(--vert);
  padding: 4px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
  margin-bottom: 12px;
}

/* ---- FEATURE BLOCKS ---- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 16px;
}
.feature-icon-bleu { background: rgba(79,163,199,0.12); color: var(--bleu); }
.feature-icon-vert { background: rgba(123,163,37,0.12); color: var(--vert); }
.feature-icon-orange { background: rgba(255,187,95,0.2); color: var(--orange-dark); }
.feature h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature p { color: var(--gris); font-size: 0.9rem; }

/* ---- STEPS / TIMELINE ---- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; counter-reset: step; }
.step { text-align: center; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--bleu); color: var(--blanc); font-weight: 800; font-size: 1.1rem;
}
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--gris); font-size: 0.85rem; }

/* ---- TESTIMONIALS ---- */
.testimonial {
  background: var(--blanc); border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow); position: relative;
}
.testimonial::before {
  content: '\201C'; position: absolute; top: 16px; left: 24px;
  font-size: 4rem; color: rgba(79,163,199,0.15); font-family: Georgia, serif; line-height: 1;
}
.testimonial p { font-size: 1rem; color: var(--gris-dark); margin-bottom: 16px; font-style: italic; padding-top: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bleu), var(--vert));
  display: flex; align-items: center; justify-content: center;
  color: var(--blanc); font-weight: 700; font-size: 0.9rem;
}
.testimonial-info strong { display: block; font-size: 0.9rem; }
.testimonial-info span { color: var(--gris); font-size: 0.8rem; }

/* ---- FORMS ---- */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 2px solid #e2e8f0;
  border-radius: 10px; font-size: 0.95rem; font-family: inherit;
  transition: var(--transition); background: var(--blanc);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--bleu); box-shadow: 0 0 0 3px rgba(79,163,199,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.8rem; color: var(--gris); margin-top: 4px; }

/* ---- FAQ ACCORDION ---- */
.faq-item { border-bottom: 1px solid #e2e8f0; }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; cursor: pointer; font-weight: 600; font-size: 1.05rem;
  background: none; border: none; width: 100%; text-align: left;
  font-family: inherit; color: var(--gris-dark);
}
.faq-question:hover { color: var(--bleu); }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--bleu); transition: var(--transition); }
.faq-item.open .faq-question::after { content: '-'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer p { padding: 0 0 20px; color: var(--gris); font-size: 0.95rem; }

/* ---- CTA BANNER ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--bleu) 0%, var(--vert) 100%);
  color: var(--blanc); padding: 64px 0; text-align: center; border-radius: var(--radius);
  margin: 0 24px;
}
.cta-banner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-banner p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-banner .btn { background: var(--orange); color: var(--gris-dark); }
.cta-banner .btn:hover { background: var(--orange-dark); }

/* ---- FOOTER ---- */
.site-footer {
  background: var(--gris-dark); color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { font-size: 1.3rem; font-weight: 800; color: var(--blanc); margin-bottom: 12px; }
.footer-brand span { color: var(--orange); }
.site-footer p { font-size: 0.9rem; line-height: 1.6; }
.site-footer h4 { color: var(--blanc); font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-links a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem;
}
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: rgba(255,255,255,0.5); font-size: 1.2rem; }
.footer-social a:hover { color: var(--orange); }

/* ---- ACCESSIBILITY ---- */
:focus-visible { outline: 3px solid var(--bleu); outline-offset: 2px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.skip-link {
  position: absolute; top: -40px; left: 0; background: var(--bleu);
  color: var(--blanc); padding: 8px 16px; z-index: 200;
}
.skip-link:focus { top: 0; }

/* ---- PAGE HEADER ---- */
.page-header {
  padding: 60px 0 40px;
  background: linear-gradient(135deg, #e8f4f8 0%, #f0f7e8 100%);
}
.page-header h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.5px; }
.page-header p { color: var(--gris); font-size: 1.1rem; max-width: 600px; }
.breadcrumb { font-size: 0.85rem; color: var(--gris); margin-bottom: 16px; }
.breadcrumb a { color: var(--bleu); }

/* ---- TWO COL LAYOUT ---- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.two-col-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.two-col-text p { color: var(--gris); margin-bottom: 16px; }
.two-col-visual {
  background: linear-gradient(135deg, rgba(79,163,199,0.1), rgba(123,163,37,0.1));
  border-radius: var(--radius); height: 400px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: var(--bleu);
}

/* ---- STATS ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--bleu); }
.stat-label { font-size: 0.9rem; color: var(--gris); }

/* ---- VALUES LIST ---- */
.values-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.value-item { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius); background: var(--blanc); box-shadow: var(--shadow); }
.value-icon { font-size: 2rem; flex-shrink: 0; }
.value-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.value-item p { color: var(--gris); font-size: 0.9rem; }

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--blanc);
    padding: 20px 24px; box-shadow: var(--shadow); gap: 16px;
  }
  .hero h1 { font-size: 2.4rem; }
  .card-grid-3, .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .values-list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 2rem; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.8rem; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
}