/* ====== Design tokens ====== */
:root {
  --navy-950: #0b0f1f;
  --navy-900: #11162b;
  --navy-800: #1a2140;
  --accent: #f4a3b1;
  --accent-strong: #e8637c;
}

/* ====== Nav toggle (hamburger -> croix) ====== */
.nav-toggle {
  position: relative;
  width: 30px;
  height: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 60;
}

.nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  border-radius: 2px;
  background: #ffffff;
  transform-origin: center;
  transition: transform 0.35s ease, opacity 0.25s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

/* ====== Mobile menu panel ====== */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  background: rgba(11, 15, 31, 0.98);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
}

.mobile-menu a {
  display: block;
  padding: 0.85rem 0.25rem;
  font-size: 1.25rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mobile-menu a:hover {
  color: var(--accent);
}

.mobile-menu-cta {
  display: block;
  margin-top: 0.75rem;
  text-align: center;
  border-radius: 9999px;
  background: var(--accent);
  color: #1a1023;
  font-weight: 700;
  padding: 0.85rem 1.5rem;
}

body.nav-open {
  overflow: hidden;
}

/* ====== Scroll reveal ====== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====== Étoiles scintillantes (hero) ====== */
.stars-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: #ffffff;
  opacity: 0.2;
  animation: twinkle ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.95; transform: scale(1.7); }
}

/* ====== Flottement doux (éléments décoratifs uniquement) ====== */
@keyframes idle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.idle-float {
  animation: idle-float 5s ease-in-out infinite;
}

/* ====== Boutons ====== */
.btn-glow {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-glow:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 12px 28px -10px rgba(232, 99, 124, 0.7);
}

/* ====== Barre CTA flottante ====== */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 55;
  transform: translateY(110%);
  transition: transform 0.4s ease;
  background: rgba(11, 15, 31, 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sticky-cta.visible {
  transform: translateY(0);
}

/* ====== Cartes ====== */
.card-surface {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 1rem;
}

/* ====== FAQ (accordéon natif <details>) ====== */
details.faq-item summary {
  cursor: pointer;
  list-style: none;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item .faq-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

details.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}