/* ========== ANIMATIONS ========== */

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-up-delay {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-up {
  animation: slide-up 0.8s ease-out both;
}

.animate-slide-up-delay {
  animation: slide-up-delay 0.8s ease-out 0.2s both;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-fade-in-up {
  opacity: 0;
  animation: fade-in-up 0.6s ease-out forwards;
}

/* ========== SCROLL ANIMATIONS ========== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========== HEADER STATES ========== */

#header {
  background: transparent;
}

#header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ========== FAQ ========== */

.faq-content {
  transition: max-height 0.35s ease-out;
}

.faq-btn[aria-expanded="true"] .lucide-chevron-down {
  transform: rotate(180deg);
}

/* ========== SMOOTH SCROLL ========== */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* ========== STAR FILL ========== */

.fill-diamond {
  fill: #D4AF37;
}

/* ========== STEP CARDS ========== */

.step-card {
  padding: 2rem 1.5rem;
  border-radius: 1.5rem;
  background: white;
  border: 1px solid #E2E8F0;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: #3B82F6;
  box-shadow: 0 10px 40px -10px rgba(30, 64, 175, 0.15);
}

/* ========== SELECTION ========== */

::selection {
  background: rgba(30, 64, 175, 0.2);
  color: #0F172A;
}

/* ========== SCROLLBAR ========== */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F8FAFC;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}