:root {
  --bg: #ffffff;
  --surface: #fffce0;
  --surface-strong: #fff8b8;
  --text: #1e293b;
  --muted: #57534e;
  --primary: #f2e600;
  --primary-dark: #d4cc00;
  --accent: #f2e600;
  --border: #f2f2a0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

body {
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
}

.brand span {
  display: block;
}

.logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--primary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--primary);
  background: var(--primary);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: background-color 160ms ease, color 160ms ease;
}

.button:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text);
}

.button-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text);
}

.button-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, #fff7db 0%, #f8fafc 100%);
}

.hero-content {
  display: grid;
  gap: 1.5rem;
  max-width: 800px;
}

.eyebrow {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.2;
  color: var(--text);
}

.hero-text {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-note {
  max-width: 700px;
  color: var(--muted);
  font-size: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.section {
  padding: 4rem 0;
}

.section-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 3rem;
  text-align: center;
}

.section-label {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.5rem);
  color: var(--text);
}

.section-intro {
  max-width: 720px;
  color: var(--muted);
  margin: 0 auto;
  font-size: 1.1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  padding: 2rem;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: grid;
  gap: 1rem;
  transition: box-shadow 200ms ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.card-highlight {
  border-color: var(--accent);
  position: relative;
}

.card-highlight::before {
  content: "Recommandé";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
}

.card-type {
  display: inline-flex;
  padding: 0.5rem 1rem;
  background: var(--surface);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
}

.card h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card-list {
  margin: 1rem 0 0;
  padding-left: 1.5rem;
  color: var(--muted);
}

.card-list li {
  margin-bottom: 0.5rem;
}

.price {
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.card-link {
  margin-top: 1.5rem;
  width: fit-content;
  color: var(--text);
  text-decoration: none;
  background: var(--primary);
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color 160ms ease, color 160ms ease;
  border: none;
  cursor: pointer;
}

.card-link:hover,
.card-link:focus {
  background: var(--primary-dark);
}

.details-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin-top 0.35s ease;
  margin-top: 0;
}

.details-panel.open {
  max-height: 420px;
  opacity: 1;
  margin-top: 1.25rem;
}

.details-panel ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.details-panel li {
  margin-bottom: 0.7rem;
}

.choose-offer {
  margin-top: 1rem;
  display: inline-flex;
  text-decoration: none;
}

.feature-grid,
.testimonial-grid,
.faq-list,
.contact-grid {
  display: grid;
  gap: 2rem;
}

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

.feature-card,
.testimonial-card,
.faq-item {
  padding: 2rem;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.feature-card h3,
.faq-item h3 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  color: var(--text);
}

.feature-card p,
.faq-item p,
.testimonial-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.testimonial-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.testimonial-card strong {
  display: block;
  margin-top: 1rem;
  color: var(--primary);
  font-weight: 600;
}

.faq-list {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.contact-section {
  padding-bottom: 4rem;
  background: var(--surface);
}

.contact-grid {
  grid-template-columns: 1.5fr 0.8fr;
  align-items: start;
  gap: 2rem;
}

.contact-card {
  padding: 2.5rem;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.contact-card h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  color: var(--text);
}

.contact-card p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.contact-info {
  padding: 2rem;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--muted);
}

.contact-info p {
  margin: 0 0 1rem;
  font-weight: 600;
  color: var(--text);
}

.contact-info ul {
  margin: 0;
  padding-left: 1.5rem;
}

.contact-info li {
  margin-bottom: 0.5rem;
}

.card,
.feature-card,
.testimonial-card,
.faq-item,
.contact-card,
.contact-info {
  transition: box-shadow 200ms ease;
}

.card:hover,
.feature-card:hover,
.testimonial-card:hover,
.faq-item:hover,
.contact-card:hover,
.contact-info:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.cards-grid,
.feature-grid,
.testimonial-grid,
.faq-list,
.contact-grid {
  animation: fadeInUp 0.8s ease both;
}

@media (max-width: 768px) {
  .hero {
    padding-top: 3rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }
}