/* ==========================================================================
   NEXORA — Animations & Keyframe Systems
   Intelligent digital motion with purpose.
   ========================================================================== */

/* Preloader Boot Sequence Styles */
.preloader {
  position: fixed;
  inset: 0;
  background: #03050a;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-out-expo), visibility 0.8s;
}

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

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 480px;
  width: 90%;
  text-align: center;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  margin-bottom: 24px;
  position: relative;
  color: #ffffff;
  text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.preloader-logo span {
  color: var(--cyber-cyan);
}

.preloader-status {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--cyber-cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preloader-bar-bg {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.preloader-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--electric-blue), var(--cyber-cyan));
  box-shadow: 0 0 12px var(--cyber-cyan);
  transition: width 0.15s ease-out;
}

.preloader-percent {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 14px;
  letter-spacing: 0.08em;
}

.preloader-telemetry {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 16px;
  height: 1.2rem;
  overflow: hidden;
}

/* Infinite Marquee Strip */
.marquee-container {
  width: 100%;
  overflow: hidden;
  display: flex;
  position: relative;
  padding: 24px 0;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marqueeScroll 28s linear infinite;
  will-change: transform;
}

.marquee-track.reverse {
  animation: marqueeScrollReverse 32s linear infinite;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.12);
  user-select: none;
  transition: color 0.3s ease;
}

.marquee-item:hover {
  color: rgba(255, 255, 255, 0.4);
}

.marquee-item .marquee-bullet {
  font-size: 1.2rem;
  color: var(--cyber-cyan);
  opacity: 0.8;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marqueeScrollReverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

/* Glowing Border Beam Animation */
.border-beam {
  position: relative;
}

.border-beam::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 40%,
    var(--cyber-cyan) 50%,
    transparent 60%,
    transparent 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderBeamRotate 6s linear infinite;
  pointer-events: none;
}

@keyframes borderBeamRotate {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* Subtle Controlled Glitch Effect */
.glitch-text {
  position: relative;
  display: inline-block;
}

.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip: rect(0, 0, 0, 0);
  pointer-events: none;
}

.glitch-hover:hover .glitch-text::before {
  left: 2px;
  text-shadow: -1px 0 var(--cyber-cyan);
  animation: glitch-anim-1 0.4s ease-in-out forwards;
}

.glitch-hover:hover .glitch-text::after {
  left: -2px;
  text-shadow: 1px 0 var(--electric-violet);
  animation: glitch-anim-2 0.4s ease-in-out forwards;
}

@keyframes glitch-anim-1 {
  0% { clip: rect(10px, 9999px, 30px, 0); }
  25% { clip: rect(40px, 9999px, 60px, 0); }
  50% { clip: rect(20px, 9999px, 35px, 0); }
  75% { clip: rect(60px, 9999px, 80px, 0); }
  100% { clip: rect(0, 0, 0, 0); }
}

@keyframes glitch-anim-2 {
  0% { clip: rect(50px, 9999px, 70px, 0); }
  25% { clip: rect(15px, 9999px, 35px, 0); }
  50% { clip: rect(75px, 9999px, 95px, 0); }
  75% { clip: rect(30px, 9999px, 50px, 0); }
  100% { clip: rect(0, 0, 0, 0); }
}

/* Floating AI Orb Container & Layers */
.hero-orb-wrapper {
  position: relative;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-orb-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(77, 124, 254, 0.25);
  pointer-events: none;
  animation: rotateOrbit 30s linear infinite;
}

.orb-ring-1 {
  width: 110%;
  height: 110%;
}

.orb-ring-2 {
  width: 130%;
  height: 130%;
  border-color: rgba(0, 217, 255, 0.15);
  animation-duration: 45s;
  animation-direction: reverse;
}

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

/* Scanline Overlay Effect for Containers */
.scanline-box {
  position: relative;
  overflow: hidden;
}

.scanline-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(180deg, rgba(0, 217, 255, 0.8), transparent);
  opacity: 0.6;
  box-shadow: 0 0 10px var(--cyber-cyan);
  animation: scanlineMove 4s linear infinite;
  pointer-events: none;
}

@keyframes scanlineMove {
  0% { top: -4px; opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { top: 100%; opacity: 0; }
}

/* Digital Portal Transition Effect */
.page-transition-portal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #03050a;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s ease, visibility 0.35s;
}

.page-transition-portal.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.portal-scanner {
  width: 80%;
  max-width: 600px;
  height: 1px;
  background: var(--cyber-cyan);
  box-shadow: 0 0 20px var(--cyber-cyan), 0 0 40px var(--electric-blue);
  animation: portalScan 0.6s ease-in-out infinite alternate;
}

@keyframes portalScan {
  0% { transform: scaleX(0.2); opacity: 0.3; }
  100% { transform: scaleX(1); opacity: 1; }
}

.portal-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--cyber-cyan);
  margin-top: 24px;
  text-transform: uppercase;
}