/* ── Custom base styles ── */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #7B2D8E;
  color: #fff;
}

/* ── Navbar scroll state ── */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(123, 45, 142, 0.08);
}

.nav-link {
  position: relative;
}

/* ── Hero animations ── */
.hero-elem {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.hero-elem:nth-child(1) { animation-delay: 0.1s; }
.hero-elem:nth-child(2) { animation-delay: 0.25s; }
.hero-elem:nth-child(3) { animation-delay: 0.4s; }
.hero-elem:nth-child(4) { animation-delay: 0.55s; }

.hero-stack {
  opacity: 0;
  transform: translateX(40px);
  animation: slideInRight 1s ease 0.3s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Floating cards ── */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes floatMedium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-7px); }
}

.animate-float-slow {
  animation: floatSlow 4s ease-in-out infinite;
}

.animate-float-medium {
  animation: floatMedium 3.2s ease-in-out infinite;
}

/* ── Scroll reveal ── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.scroll-reveal:nth-child(2) { transition-delay: 0.1s; }
.scroll-reveal:nth-child(3) { transition-delay: 0.2s; }
.scroll-reveal:nth-child(4) { transition-delay: 0.3s; }
.scroll-reveal:nth-child(5) { transition-delay: 0.35s; }
.scroll-reveal:nth-child(6) { transition-delay: 0.4s; }
.scroll-reveal:nth-child(7) { transition-delay: 0.45s; }

/* ── FAQ ── */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-content.open {
  max-height: 300px;
}

.faq-icon {
  flex-shrink: 0;
}

/* ── Mobile menu ── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav-link {
  display: block;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F9F0FC;
}

::-webkit-scrollbar-thumb {
  background: #D79FE0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #A34DB8;
}