:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3fb;
  --text: #172033;
  --text-muted: #53627a;
  --primary: #1f4f95;
  --primary-strong: #173d73;
  --accent: #14b8a6;
  --border: #d8e0ec;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 12px rgba(8, 24, 52, 0.08);
  --shadow-md: 0 16px 30px rgba(8, 24, 52, 0.12);
  --container: 1120px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.75rem;
  --transition: 280ms cubic-bezier(0.2, 0.65, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top right, #eef5ff, var(--bg) 60%);
  color: var(--text);
  line-height: 1.65;
  animation: page-fade-in 550ms ease both;
}

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(14, 27, 52, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow var(--transition), background var(--transition);
}

.topbar--scrolled {
  box-shadow: 0 10px 24px rgba(11, 28, 56, 0.25);
  background: rgba(14, 27, 52, 0.96);
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0.9rem 0;
}

.menu a {
  color: #f5f8ff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  transition: background var(--transition), transform var(--transition);
}

.menu a:hover,
.menu a:focus-visible,
.menu a[aria-current='page'] {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

main.container {
  padding: var(--space-5) 0 var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.hero,
.card,
.pack-item,
.tarif-table,
.timeline-step,
.faq-item {
  background: color-mix(in srgb, var(--surface) 94%, #e2ecff);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero {
  padding: clamp(1.3rem, 4vw, 2.4rem);
  display: grid;
  gap: var(--space-3);
}

.hero h1 {
  line-height: 1.2;
  font-size: clamp(1.85rem, 4.5vw, 2.8rem);
  margin: 0;
}

.hero-visual {
  margin-top: 0.25rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(31, 79, 149, 0.09), rgba(20, 184, 166, 0.08));
  padding: var(--space-3);
}

.hero-visual img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  display: block;
}

.grid,
.pack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-3);
}

.card,
.pack-item,
.timeline-step,
.faq-item {
  padding: var(--space-4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover,
.pack-item:hover,
.card:focus-within,
.faq-item:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 72px;
  height: 72px;
  padding: 0.45rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #e6f0ff, #e8fcfa);
  margin-bottom: 0.6rem;
}

.btn,
button,
.cookie-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.72rem 1.1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn,
.cookie-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 8px 16px rgba(18, 70, 135, 0.25);
}

.btn:hover,
.btn:focus-visible,
.cookie-btn:hover,
.cookie-btn:focus-visible,
button:hover,
button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(18, 70, 135, 0.28);
}

.muted { color: var(--text-muted); }

.tarif-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.tarif-table th,
.tarif-table td {
  border: 1px solid var(--border);
  padding: 0.8rem 1rem;
  text-align: left;
}

.tarif-table thead th {
  background: #e8f0fe;
}

.site-footer {
  margin: 0 auto 1.6rem;
  width: min(var(--container), 100% - 2.5rem);
  background: linear-gradient(145deg, #ffffff, #f0f4fd);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.3rem 1.4rem;
}

.site-footer a,
.cookie-link-button { color: var(--primary); }

.footer-illustration {
  max-width: 110px;
  margin-top: var(--space-2);
}

.footer-illustration img { width: 100%; display: block; }

.cookie-link-button {
  background: transparent;
  border: 0;
  padding: 0;
  font: inherit;
  text-decoration: underline;
}

label,
fieldset { display: block; }

input,
select,
textarea,
button {
  width: 100%;
  font: inherit;
  margin-top: 6px;
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.72rem;
  background: #fff;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 80%, white);
  outline-offset: 2px;
}

fieldset { border: 1px solid var(--border); }

.hidden-field {
  position: absolute;
  left: -9999px;
}

#formError {
  color: #b91c1c;
  font-weight: 600;
}

.cookie-banner {
  position: fixed;
  inset: auto 0 0;
  z-index: 999;
  background: #fff;
  border-top: 2px solid var(--primary);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
}

.cookie-banner__content,
.cookie-modal { width: min(var(--container), 100% - 2.5rem); margin: 0 auto; }
.cookie-banner__content { padding: 1rem 0; }
.cookie-banner__actions,
.cookie-modal__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.cookie-modal-overlay { position: fixed; inset: 0; background: rgba(3, 15, 28, 0.56); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.cookie-modal-overlay[hidden] { display: none; }
.cookie-modal { max-height: 90vh; overflow: auto; background: #fff; border-radius: var(--radius-md); padding: 1.2rem; }
.cookie-modal__categories { display: grid; gap: 10px; margin: 16px 0; }
.cookie-toggle { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border); border-radius: 10px; padding: 10px; gap: 10px; }
.cookie-toggle--fixed { background: #f3f4f6; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease var(--reveal-delay, 0ms), transform 500ms ease var(--reveal-delay, 0ms);
}

.reveal-left { transform: translateX(-24px); }
.reveal-right { transform: translateX(24px); }
.reveal.is-visible { opacity: 1; transform: translate(0, 0); }

@keyframes page-fade-in {
  from { opacity: 0.2; }
  to { opacity: 1; }
}

@media (max-width: 760px) {
  .container,
  .site-footer,
  .cookie-modal,
  .cookie-banner__content { width: min(var(--container), 100% - 1.4rem); }

  .menu a { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}