:root {
  --brand: #36A2B0;
  --brand-600: #2d8894;
  --black: #0b0f12;
  --text: #14181b;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f6f7f8;
  --border: #e5e7eb;
  --star_review: #FFD700;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255,255,255,0.8);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-mark {
  color: var(--brand);
}
.brand-name {
  color: var(--black);
}
.nav {
  display: flex;
  gap: 18px;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover {
  color: var(--brand);
}
.nav-cta {
  padding: 10px 16px;
  background: var(--brand);
  color: #fff !important;
  border-radius: 10px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 32px;
  background: linear-gradient(180deg, rgba(54,162,176,0.08), transparent 60%);
}
.bg-decor {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 420px;
  background: radial-gradient(600px 260px at 20% 20%, rgba(54,162,176,0.25), transparent 60%),
              radial-gradient(400px 240px at 80% 0%, rgba(11,15,18,0.12), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.badge {
  display: inline-block;
  color: var(--brand);
  background: rgba(54,162,176,0.12);
  border: 1px solid rgba(54,162,176,0.25);
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}
.hero h1 {
  margin: 10px 0 10px;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero h1 .accent {
  color: var(--brand);
}
.subhead {
  color: var(--muted);
  font-size: 18px;
}

.countdown {
  display: flex;
  gap: 14px;
  margin: 20px 0 24px;
}
.time-box {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  min-width: 86px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}
.time-box span {
  font-weight: 700;
  font-size: 28px;
  color: var(--black);
}
.time-box label {
  font-size: 12px;
  color: var(--muted);
}

.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: end;
  margin: 10px 0 6px;
}
.input-group {
  display: grid;
  gap: 6px;
}
.input-group label {
  font-weight: 600;
  font-size: 14px;
}
.input-group input {
  height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px;
  outline: none;
}
.input-group input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(54,162,176,0.15);
}

.btn-primary {
  height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--brand-600);
}
.btn-primary:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}
.form-message {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.trust {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 12px;
  color: var(--star_review);
  font-size: 14px;
}
.trust-item span { color: var(--text); }

.hero-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.06);
}
.hero-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}
.hero-card .event-list {
  margin: 0 0 10px;
  padding-left: 18px;
  color: var(--muted);
}
.link-calendar {
  color: var(--brand);
  font-weight: 600;
  text-decoration: none;
}
.link-calendar:hover { text-decoration: underline; }

/* Features */
.features {
  padding: 56px 0;
}
.features h2 {
  text-align: center;
  margin: 0 0 26px;
  font-size: 32px;
}
.features .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.features .card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
}
.features .icon { font-size: 28px; }
.features h3 { margin: 10px 0 6px; }
.features p { color: var(--muted); }

/* CTA band */
.cta {
  background: linear-gradient(180deg, rgba(54,162,176,0.08), transparent), var(--bg-alt);
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-inner {
  text-align: center;
}
.cta .lead-form {
  max-width: 760px;
  margin: 14px auto 0;
}

/* FAQ */
.faq {
  padding: 48px 0;
}
.faq h2 {
  text-align: center;
  margin: 0 0 20px;
}
.faq details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq p { color: var(--muted); }

/* Footer */
.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 12px;
}
.footer-links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .lead-form {
    grid-template-columns: 1fr;
  }
  .btn-primary { width: 100%; }
  .features .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .features .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
}

/* Décalage du contenu texte sans toucher au fond */
.hero-copy {
  position: relative;
  top: 80px;
}