/* ==========================================================================
   TAVRICON DESIGN SYSTEM — ROYAL COBALT & NEON CYAN ANIMATIONS
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. SIGNATURE OPENING BRAND REVEAL SEQUENCE
   -------------------------------------------------------------------------- */
.brand-reveal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  background: #02050E;
  z-index: var(--z-reveal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.brand-reveal-overlay.hide-reveal {
  opacity: 0;
  transform: translateY(-20px) scale(1.02);
  pointer-events: none;
}

/* Royal Atmosphere background glow for reveal */
.reveal-atmosphere {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 720px;
  height: 720px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 242, 254, 0.28) 0%, rgba(37, 99, 235, 0.45) 45%, rgba(139, 92, 246, 0.2) 65%, transparent 75%);
  filter: blur(65px);
  opacity: 0;
  animation: atmospherePulseRoyal 2.5s ease-out forwards;
}

.reveal-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-4);
  max-width: 900px;
}

/* Monogram Logo Construction in Reveal */
.reveal-symbol-wrap {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: scale(0.85) translateY(10px);
  animation: symbolFormRoyal 1.3s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  filter: drop-shadow(0 0 35px rgba(0, 242, 254, 0.65));
}

.reveal-symbol-wrap svg {
  width: 100%;
  height: 100%;
}

/* TAVRICON Wordmark Reveal — Synchronized with Spoken Word */
.reveal-brand-name {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #FFFFFF;
  line-height: 1;
  margin-bottom: var(--space-3);
  display: block;
  text-align: center;
  position: relative;
  opacity: 0;
  transform: scale(0.92) translateY(12px);
  filter: blur(4px);
  animation: wordmarkVoiceSurge 0.9s 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes wordmarkVoiceSurge {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(12px);
    filter: blur(4px);
    text-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
  }
  38% {
    opacity: 1;
    transform: scale(1.06) translateY(-2px);
    filter: blur(0);
    color: #FFFFFF;
    text-shadow: 0 0 25px #00F2FE, 0 0 50px #38BDF8, 0 0 85px #2563EB, 0 0 115px rgba(0, 242, 254, 0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1.0) translateY(0);
    filter: blur(0);
    color: #FFFFFF;
    text-shadow: 0 0 20px rgba(0, 242, 254, 0.75), 0 4px 20px rgba(0, 0, 0, 0.9);
  }
}

/* Tagline Reveal */
.reveal-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.4vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--cyan-primary);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  animation: taglineEmerge 0.6s 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  text-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
}

/* Light beam sweep across logo */
.reveal-light-sweep {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.75), transparent);
  transform: skewX(-25deg);
  animation: lightSweep 0.9s 0.28s ease-in-out forwards;
  pointer-events: none;
}

/* Skip Reveal Button */
.skip-reveal-btn {
  position: absolute;
  bottom: 30px;
  right: 30px;
  background: rgba(7, 14, 34, 0.8);
  border: 1px solid rgba(0, 242, 254, 0.35);
  color: var(--cyan-bright);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.skip-reveal-btn:hover {
  background: rgba(0, 242, 254, 0.2);
  color: #FFFFFF;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

/* --------------------------------------------------------------------------
   2. KEYFRAME DEFINITIONS
   -------------------------------------------------------------------------- */
@keyframes atmospherePulseRoyal {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.6); }
  60% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
  100% { opacity: 0.85; transform: translate(-50%, -50%) scale(1); }
}

@keyframes symbolFormRoyal {
  0% {
    opacity: 0;
    transform: scale(0.75) translateY(20px);
    filter: blur(12px) drop-shadow(0 0 0 rgba(0, 242, 254, 0));
  }
  60% {
    opacity: 1;
    transform: scale(1.04) translateY(-2px);
    filter: blur(0px) drop-shadow(0 0 45px rgba(0, 242, 254, 0.85));
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0px) drop-shadow(0 0 32px rgba(37, 99, 235, 0.6));
  }
}

@keyframes textEmerge {
  0% {
    opacity: 0;
    transform: translateY(20px);
    letter-spacing: 0.06em;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 0.14em;
  }
}

@keyframes taglineEmerge {
  0% {
    opacity: 0;
    transform: translateY(12px);
    letter-spacing: 0.15em;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    letter-spacing: 0.3em;
  }
}

@keyframes lightSweep {
  0% { left: -100%; }
  100% { left: 200%; }
}

@keyframes pulseCyan, pulseGold {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(0, 242, 254, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 242, 254, 0);
  }
}

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

.float-anim {
  animation: floatElement 6s ease-in-out infinite;
}

@keyframes rotateBeam {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes auroraShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.aurora-shimmer {
  background: linear-gradient(90deg, #00F2FE, #3B82F6, #8B5CF6, #00F2FE);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: auroraShimmer 6s ease infinite;
}

/* --------------------------------------------------------------------------
   3. SCROLL REVEAL STAGGER UTILITIES
   -------------------------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

.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; }

@keyframes soundEqualizer {
  0%, 100% {
    height: 3px;
    opacity: 0.6;
  }
  50% {
    height: 12px;
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   4. ACCESSIBILITY: REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .brand-reveal-overlay {
    display: none !important;
  }

  .fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
}