/* ==========================================================================
   Animations & Preloader Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Preloader Overlay
   -------------------------------------------------------------------------- */
.preloader {
  position: fixed;
  inset: 0;
  background: #07080c;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-blueprint-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(54, 123, 151, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(54, 123, 151, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.preloader-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 380px;
  width: 90%;
}

.preloader-emblem {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto 2rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-ring {
  position: absolute;
  inset: 0;
  border: 2px dashed rgba(54, 123, 151, 0.4);
  border-radius: 50%;
  animation: rotate-clockwise 10s linear infinite;
}

.preloader-ring-inner {
  position: absolute;
  inset: 10px;
  border: 2px solid transparent;
  border-top-color: var(--accent-gold);
  border-bottom-color: var(--accent-gold-light);
  border-radius: 50%;
  animation: rotate-counter 3s linear infinite;
}

.preloader-core-icon {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent-gold);
  text-shadow: 0 0 20px var(--accent-gold-glow-intense);
  animation: pulse-core 2s ease-in-out infinite;
}

.preloader-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.preloader-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-gold-light);
  margin-bottom: 2rem;
  font-weight: 600;
}

.preloader-progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  margin-bottom: 1rem;
}

.preloader-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--grad-gold);
  box-shadow: 0 0 15px var(--accent-gold);
  transition: width 0.15s ease-out;
}

.preloader-status {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   2. Scroll Reveal Transitions
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed {
  opacity: 1 !important;
  transform: translate(0) scale(1) !important;
}

/* Stagger Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* --------------------------------------------------------------------------
   3. Keyframe Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rotate-clockwise {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotate-counter {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

@keyframes pulse-core {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.15); opacity: 1; filter: drop-shadow(0 0 12px var(--accent-gold)); }
}

@keyframes pulse-glow {
  0%, 100% {
    border-color: rgba(54, 123, 151, 0.3);
    box-shadow: 0 0 0 rgba(54, 123, 151, 0);
  }
  50% {
    border-color: rgba(251, 191, 36, 0.7);
    box-shadow: 0 0 15px rgba(54, 123, 151, 0.25);
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes radar-pulse {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.floating-element {
  animation: float-slow 4s ease-in-out infinite;
}