/* ==========================================================================
   Drop2Desk - Feuille de style principale du site vitrine
   Charte graphique moderne SaaS B2B, responsive & accessible
   ========================================================================== */

:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --accent: #10b981;
  --accent-light: #d1fae5;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0f172a;
  --border-light: #e2e8f0;
  --border-card: #cbd5e1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
  --container-max: 1200px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Utilitaires conteneur */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Navigation Principale (Navbar)
   ========================================================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), #0369a1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
}

.brand-dot {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-subtle);
  background: #f1f5f9;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.lang-switch:hover {
  color: var(--text-main);
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border-color: var(--border-card);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: var(--text-subtle);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 70px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  max-width: 860px;
  margin: 0 auto 20px;
  color: var(--text-main);
}

.hero-title-highlight {
  background: linear-gradient(135deg, var(--primary) 0%, #0369a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  font-weight: 400;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-guarantees {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-subtle);
  flex-wrap: wrap;
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Tuiles Sectorielles (Home /fr & /en)
   ========================================================================== */
.sectors-section {
  padding: 50px 0 80px;
}

.section-tag {
  text-align: center;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-heading {
  text-align: center;
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
  color: var(--text-main);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.sector-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  width: fit-content;
}

.badge-pharma {
  background: #ecfdf5;
  color: #065f46;
}

.badge-hotel {
  background: #eff6ff;
  color: #1e40af;
}

.sector-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.sector-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
  flex-grow: 1;
}

.sector-benefits {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sector-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-main);
}

.sector-benefits svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent);
}

.sector-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Grille d'Avantages & Process (3 étapes)
   ========================================================================== */
.steps-section {
  padding: 70px 0;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 24px;
}

.step-number {
  width: 54px;
  height: 54px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto 20px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Section Sécurité & Conformité
   ========================================================================== */
.security-section {
  padding: 70px 0;
}

.security-box {
  background: var(--bg-dark);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.security-box h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.security-box p {
  color: #94a3b8;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.security-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.security-pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px;
  border-radius: var(--radius-sm);
}

.security-pillar-item strong {
  display: block;
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.security-pillar-item span {
  font-size: 0.84rem;
  color: #94a3b8;
  line-height: 1.45;
}

/* ==========================================================================
   Section Appel à l'action final (CTA Banner)
   ========================================================================== */
.cta-banner {
  padding: 80px 0;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 60px 30px;
  box-shadow: var(--shadow-lg);
}

.cta-box h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-box p {
  font-size: 1.15rem;
  color: #e0f2fe;
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-box .btn-white {
  background: #ffffff;
  color: var(--primary);
  font-weight: 700;
}

.cta-box .btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
}

/* ==========================================================================
   Pied de page (Footer)
   ========================================================================== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  padding: 50px 0 30px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  text-decoration: none;
  color: var(--text-subtle);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 0.8rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   Responsive Mobile
   ========================================================================== */
@media (max-width: 860px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .security-box {
    grid-template-columns: 1fr;
    padding: 30px 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .nav-links {
    display: none;
  }
}