/* ==========================================================================
   URSULE — Feuille de style CSS statique pour hébergement OVH
   Charte graphique officielle :
   - Bleu Profond : #002D55
   - Bleu Clair (sourire) : #88C0EF
   - Bleu Brume : #F1F6FC
   - Ivoire : #FAF9F6
   - Encre : #17202A
   - Titres : DM Serif Display
   - Corps : DM Sans
   ========================================================================== */

:root {
  --color-navy: #002D55;
  --color-blue: #88C0EF;
  --color-mist: #F1F6FC;
  --color-ivory: #FAF9F6;
  --color-ink: #17202A;
  --color-white: #FFFFFF;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-w-content: 1140px;
}

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

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

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

h1, h2, h3, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--color-navy);
}

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

/* Accessibility focus */
:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 2px;
}

/* Layout container */
.container {
  max-width: var(--max-w-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 45, 85, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.brand-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .brand-nav {
    display: flex !important;
  }
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-navy);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  background-color: var(--color-ivory);
  border-top: 1px solid rgba(0, 45, 85, 0.1);
  padding: 1rem 1.5rem 1.5rem;
  gap: 0.75rem;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer .nav-link {
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}
.mobile-drawer .nav-link:hover {
  background-color: rgba(0, 45, 85, 0.05);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(23, 32, 42, 0.8);
  transition: color 0.2s;
  padding: 0.25rem 0;
}

.nav-link:hover {
  color: var(--color-navy);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background-color: #001f3b;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--color-navy);
  border: 1px solid rgba(0, 45, 85, 0.25);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.btn-outline:hover {
  border-color: var(--color-navy);
  background-color: rgba(0, 45, 85, 0.03);
}

/* Hero */
.hero-section {
  padding: 2.5rem 1rem 1.5rem;
  text-align: center;
}

.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0, 45, 85, 0.75);
  margin-bottom: 0.5rem;
}

.hero-title {
  font-size: 2.25rem;
  line-height: 1.15;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-desc {
  font-size: 1.0625rem;
  color: rgba(23, 32, 42, 0.85);
  max-width: 680px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-navy);
}

.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

/* Simulator Container */
.simulator-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.5rem 1.25rem 3.5rem;
}

#simulator-container {
  background-color: var(--color-white);
  border: 1px solid rgba(0, 45, 85, 0.15);
  border-radius: 16px;
  min-height: 440px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 45, 85, 0.04);
}

.sim-header {
  background-color: var(--color-mist);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid rgba(0, 45, 85, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-navy);
  font-weight: 600;
}

.sim-body {
  padding: 2.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sim-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-mist);
  border: 1px solid rgba(136, 192, 239, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-navy);
}

.sim-features-box {
  background-color: rgba(241, 246, 252, 0.7);
  border: 1px solid rgba(0, 45, 85, 0.1);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: left;
  margin: 1.5rem 0;
  max-width: 640px;
  width: 100%;
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  font-size: 0.8125rem;
  margin-top: 0.75rem;
}

@media (min-width: 640px) {
  .sim-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.sim-grid-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background-color: var(--color-mist);
  border-top: 1px solid rgba(0, 45, 85, 0.1);
  border-bottom: 1px solid rgba(0, 45, 85, 0.1);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(0, 45, 85, 0.7);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

/* 3 Cards Grid */
.cards-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-white);
  border: 1px solid rgba(0, 45, 85, 0.1);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-num {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
}

/* Comparison */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.comp-card {
  background-color: var(--color-white);
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid rgba(0, 45, 85, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.comp-card.highlight {
  border: 2px solid var(--color-navy);
  position: relative;
}

.badge-featured {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-bottom-left-radius: 8px;
  text-transform: uppercase;
}

.comp-list {
  list-style: none;
  margin: 1.5rem 0;
}

.comp-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 45, 85, 0.05);
  font-size: 0.8125rem;
}

.comp-total {
  background-color: var(--color-mist);
  padding: 1.25rem;
  border-radius: 12px;
  margin-top: 1rem;
}

.comp-total-price {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid rgba(0, 45, 85, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.875rem;
  color: rgba(23, 32, 42, 0.85);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.footer-legal {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2rem;
  line-height: 1.6;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 45, 85, 0.65);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background-color: var(--color-white);
  width: 100%;
  max-width: 760px;
  max-height: 85vh;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1rem 1.5rem;
  background-color: var(--color-ivory);
  border-bottom: 1px solid rgba(0, 45, 85, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.8125rem;
  line-height: 1.6;
}

.modal-footer {
  padding: 0.875rem 1.5rem;
  background-color: var(--color-ivory);
  border-top: 1px solid rgba(0, 45, 85, 0.1);
  display: flex;
  justify-content: flex-end;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-navy);
}