:root {
  --aero-blue: #00bfff;
  --aero-green: #00ff7f;
  --aero-aqua: #7fffd4;
  --aero-white: rgba(255,255,255,0.95); /* Increased opacity for brighter feel */
  --y2k-cyan: #00ffff;
  --y2k-purple: #9370db;
  --y2k-magenta: #ff00ff;
  --y2k-lime: #39ff14;
  --y2k-hotpink: #ff1493;
  --y2k-yellow: #ffff00; /* Added warm neon yellow for brighter vibe */
  --y2k-orange: #ff4500; /* Added warm orange for variety */
  --medieval-dark: #2c1a0e;
  --medieval-gold: #d4af37;
  --medieval-red: #8b0000;
  --header-height: 140px;

  --glow-soft: 0 0 10px var(--y2k-cyan), 0 0 20px var(--y2k-purple), 0 0 30px var(--aero-aqua), 0 0 40px var(--y2k-hotpink); /* Multi-color glow for Y2K neon */
  --glow-med: 0 0 20px var(--y2k-cyan), 0 0 40px var(--y2k-magenta), 0 0 50px var(--aero-green), 0 0 60px var(--y2k-orange);
  --glow-strong: 0 0 40px var(--y2k-cyan), 0 0 60px var(--y2k-lime), 0 0 70px var(--aero-blue), 0 0 80px var(--y2k-yellow);

  --glass-bg: rgba(255,255,255,0.15); /* Slightly higher transparency for brighter glass */
  --glass-blur: blur(12px); /* Balanced blur for blend without darkness */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  min-height: 100vh;
  background: radial-gradient(circle, #003366 0%, #000033 50%, #003366 100%); /* Brighter blue radial for futuristic depth */
  color: #fff;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  overflow-x: hidden;
  animation: bgPulse 15s ease-in-out infinite; /* Faster pulse for energetic Y2K feel */
}

@keyframes bgPulse {
  0% { background-position: center; opacity: 1; }
  50% { opacity: 0.95; }
  100% { opacity: 1; }
}

::-webkit-scrollbar {
  width: 0px;
  background: transparent; 
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: transparent;
}

::-webkit-scrollbar-thumb:hover {
  background: transparent;
}

html {
  scrollbar-width: none;
  scrollbar-color: transparent transparent; 
}

#noise,
#particles,
#starsContainer {
  position: fixed;
  inset: 0;
  height: 100vh;
  pointer-events: none;
  transition: filter 1s ease-out, opacity 1s ease;
  filter: blur(1.5px); /* Softer base blur */
}

#three-container { z-index: 1; background: radial-gradient(circle, rgba(0,255,255,0.2), transparent 70%); } /* Brighter radial glow */
#noise, #particles, #starsContainer {
  z-index: 2;
  opacity: 0.25; /* Increased opacity for brighter particles */
  mix-blend-mode: screen; /* Screen blend for vibrant overlay */
}

html.scrolled #three-container,
html.scrolled #noise,
html.scrolled #particles,
html.scrolled #starsContainer {
  filter: blur(3px);
  opacity: 0.4;
}

.glitch {
  position: relative;
  animation: glitchAnim 3s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  clip: rect(0, 900px, 0, 0);
  filter: blur(0.5px); /* Soft glitch blur */
}

.glitch::before {
  left: 1px;
  text-shadow: -1px 0 var(--y2k-purple);
  animation: glitchAnimBefore 4s infinite linear alternate-reverse;
}

.glitch::after {
  left: -1px;
  text-shadow: -1px 0 var(--y2k-cyan), 1px 1px var(--y2k-magenta);
  animation: glitchAnimAfter 3s infinite linear alternate-reverse;
}

@keyframes glitchAnim {
  0% { transform: translate(0); }
  20% { transform: translate(-1px, 1px); }
  40% { transform: translate(-1px, -1px); }
  60% { transform: translate(1px, 1px); }
  80% { transform: translate(1px, -1px); }
  100% { transform: translate(0); }
}

@keyframes glitchAnimBefore {
  0% { clip: rect(36px, 9999px, 9px, 0); }
  5% { clip: rect(25px, 9999px, 29px, 0); }
  10% { clip: rect(85px, 9999px, 95px, 0); }
  100% { clip: rect(12px, 9999px, 43px, 0); }
}

@keyframes glitchAnimAfter {
  0% { clip: rect(65px, 9999px, 119px, 0); }
  5% { clip: rect(78px, 9999px, 111px, 0); }
  /* ... (abbreviated) */
  100% { clip: rect(67px, 9999px, 53px, 0); }
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to bottom, transparent, rgba(255,255,255,0.025) 1px); /* Subtler for brighter background */
  pointer-events: none;
  animation: scanlineMove 5s linear infinite;
  opacity: 0.5;
  mix-blend-mode: overlay;
}

@keyframes scanlineMove {
  0% { background-position: 0 0; }
  100% { background-position: 0 2px; }
}

.glitch-overlay {
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  opacity: 0.08;
  animation: glitchOverlay 2s infinite;
}

@keyframes glitchOverlay {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.08; }
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: none; /* No hard borders */
  border-radius: 20px; /* Smoother corners */
  box-shadow: 0 6px 35px rgba(0,0,0,0.1); /* Softer shadow */
}

.aero-glow {
  text-shadow: var(--glow-soft);
  animation: aeroPulse 2.5s ease-in-out infinite alternate; /* Faster for dynamic Y2K energy */
}

@keyframes aeroPulse {
  from {
    text-shadow: 0 0 6px var(--y2k-cyan), 0 0 12px var(--y2k-purple), 0 0 18px var(--aero-aqua);
  }
  to {
    text-shadow: 0 0 12px var(--y2k-magenta), 0 0 24px var(--y2k-cyan), 0 0 36px var(--y2k-hotpink), 0 0 48px var(--y2k-yellow);
  }
}

#overlay {
  position: relative;
  min-height: 100vh;
  z-index: 10;
  pointer-events: none;
}

header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 40px;
  pointer-events: auto;
  z-index: 20;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: none;
}

nav ul {
  display: flex;
  gap: 50px;
  list-style: none;
  font-size: 1.2rem;
  letter-spacing: 0.1rem;
}

a,
nav a {
  color: var(--aero-white);
  text-decoration: none;
  position: relative;
  transition: color 0.4s ease, transform 0.4s ease;
  padding: 8px 16px;
  border-radius: 24px;
}

a:hover,
nav a:hover {
  color: var(--y2k-cyan);
  background: rgba(57,255,20,0.15); /* Brighter hover */
  transform: translateY(-2px);
  box-shadow: var(--glow-med);
  animation: glitchAnim 0.35s steps(5) infinite;
}

.hero-text {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 1600px;
  text-align: center;
  padding: 60px; 
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 32px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15); /* Brighter shadow */
}

h1,
#hero-title {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 300;
  font-size: clamp(3.5rem, 14vw, 9rem); 
  letter-spacing: 0.02em;
  line-height: 1;
  background: linear-gradient(90deg, var(--y2k-cyan), var(--y2k-purple), var(--y2k-magenta), var(--y2k-lime), var(--y2k-hotpink), var(--y2k-cyan)); /* More colors for warm neon flow */
  background-size: 300% 100%; /* Larger size for smoother animation */
  animation: gradientFlow 6s linear infinite, aeroPulse 2.5s ease-in-out infinite alternate, glitchAnim 4s infinite linear alternate-reverse;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: var(--glow-med);
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.text-left,
.text-right {
  font-size: 1.4rem; 
  line-height: 1.8;
  max-width: 480px; 
  color: var(--y2k-cyan);
  text-shadow: 0 0 8px var(--y2k-purple), var(--glow-soft);
  animation: fadeIn 1.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(35px); }
  to { opacity: 1; transform: translateY(0); }
}

.text-left {
  position: absolute;
  left: 8%;
  top: 55%;
  transform: translateY(-50%);
}

.text-right {
  position: absolute;
  right: 8%;
  top: 55%;
  transform: translateY(-50%);
}

.accent {
  display: block;
  color: var(--y2k-lime); 
  font-size: 1.8rem; 
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-shadow: var(--glow-soft);
}

.accent::before { 
  content: '⚔ '; 
  color: var(--y2k-hotpink); 
}

.scroll-indicator {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 0.2rem;
  opacity: 0.9;
  color: var(--y2k-cyan);
  animation: subtlePulse 1.8s infinite;
}

@keyframes subtlePulse {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

.circle {
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, var(--y2k-lime) 30%, transparent 100%);
  border-radius: 50%;
  margin: 30px auto 0;
  animation: subtleBounce 1.5s infinite ease-in-out;
}

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

main {
  position: relative;
  z-index: 15;
  padding: 100px 40px;
  background: linear-gradient(to bottom, rgba(0,51,102,0.3), rgba(0,51,102,0.2)); /* Brighter blue gradient */
}

section {
  min-height: 80vh;
  margin-bottom: 100px;
  padding: 60px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

section h2 {
  font-size: 4rem;
  margin-bottom: 40px;
  color: var(--y2k-cyan);
  font-weight: 300;
  animation: glitchAnim 4s infinite linear alternate-reverse;
  text-shadow: var(--glow-soft);
}

.site-footer {
  padding: 80px 40px;
  background: linear-gradient(to top, #000033, transparent);
  position: relative;
  z-index: 15;
}

.footer-inner {
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 40px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-radius: 24px;
}

.footer-logo {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 300;
  letter-spacing: 0.15rem;
  text-shadow: var(--glow-med);
  animation: aeroPulse 2.5s ease-in-out infinite alternate;
  font-size: 2rem; 
}

.footer-copy {
  font-size: 0.85rem;
  letter-spacing: 0.1rem;
  color: var(--aero-white);
  opacity: 0.95; /* Brighter text */
}

#loading-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle, #003366, #000033);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.8s ease-out;
}

#loading-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  height: 120px;
  filter: drop-shadow(var(--glow-strong));
  animation: logoFadeIn 2s ease-out forwards;
}

.loading-title {
  font-family: 'Helvetica Neue', sans-serif;
  color: var(--y2k-magenta);
  text-shadow: var(--glow-strong);
  font-weight: 300;
  animation: glitchAnim 3.5s infinite linear alternate-reverse;
}

.loading-text {
  color: var(--aero-white);
  animation: fadeIn 1.2s ease-in;
}

.loading-bar {
  width: 200px;
  height: 4px;
  background: rgba(255,255,255,0.1);
  margin: 20px auto;
  border-radius: 2px;
}

.loading-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--y2k-cyan), var(--y2k-lime), var(--y2k-hotpink));
  border-radius: 2px;
  transition: width 0.4s ease;
}

.error-message {
  display: none;
  color: #ff6666;
  margin-top: 20px;
}

.retry-button {
  display: none;
  padding: 10px 20px;
  background: linear-gradient(90deg, var(--y2k-cyan), var(--y2k-lime));
  color: #fff;
  border: none;
  border-radius: 24px;
  cursor: pointer;
  margin-top: 10px;
  transition: transform 0.3s ease;
}

.retry-button:hover {
  transform: scale(1.05);
}

@keyframes progress {
  0% { width: 0; }
  100% { width: 100%; }
}

@keyframes logoFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}


@media (max-width: 768px) {
  header { padding: 20px; justify-content: center; }

  .hero-text {
    position: relative;
    inset: auto;
    transform: none;
    width: auto;
    max-width: 90%;
    margin: 20px auto;
    padding: 40px 20px;
  }

  .text-left,
  .text-right {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    transform: none;
    max-width: 90%;
    text-align: center;
    margin: 20px auto; 
  }

  nav ul {
    gap: 20px;
    font-size: 0.9rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-text {
    padding: 40px;
  }

  section {
    padding: 40px;
  }
}

@media (max-width: 480px) {
  nav ul { gap: 14px; font-size: 0.8rem; }
  p { font-size: 0.95rem; }

  .hero-text {
    padding: 20px 10px;
  }

  section {
    padding: 20px;
  }

  main {
    padding: 50px 20px;
  }

  .site-footer {
    padding: 40px 20px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  h1,
  #hero-title {
    font-size: clamp(2rem, 12vw, 5rem);
  }

  section h2 {
    font-size: 2.5rem;
  }

  .text-left,
  .text-right {
    font-size: 1.2rem;
  }
}

@media (max-height: 600px) {
  .hero-text {
    inset: var(--header-height) auto auto 50%;
    transform: translate(-50%, 0);
  }
}