:root {
  --bg-dark: #050505;
  /* Blacker */
  --bg-card: rgba(20, 20, 25, 0.8);
  --accent-green: #00ff88;
  --accent-orange: #ff8c42;
  --accent-cyan: #00fff9;
  --accent-purple: #9d00ff;
  /* New Cyber Color */
  --accent-pink: #ff0055;
  /* New Cyber Color */
  --text-primary: #e0e0e0;
  --text-secondary: #a1a1aa;
  --font-primary: "Noto Sans JP", sans-serif;
  --font-display: "Orbitron", sans-serif;
  --font-mono: "Courier New", monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-primary);
  overflow-x: hidden;
  line-height: 1.8;
}

/* Cyber Grid Background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(5, 5, 5, 0.92), rgba(5, 5, 5, 0.92)),
    linear-gradient(90deg, rgba(157, 0, 255, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(157, 0, 255, 0.1) 1px, transparent 1px);
  background-size: 100% 100%, 50px 50px, 50px 50px;
  z-index: -1;
  pointer-events: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

/* Header - Cyber Style */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(5px);
  background: rgba(5, 5, 5, 0.8);
  border-bottom: 2px solid var(--accent-purple);
  box-shadow: 0 0 15px rgba(157, 0, 255, 0.3);
}

.menu-toggle,
.menu-close {
  display: none;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.logo-container span {
  text-shadow: none;
}

.logo-img-sm {
  width: 36px;
  height: 36px;
  border-radius: 5px;
  /* Square off slightly */
  border: 1px solid var(--accent-cyan);
}

nav ul {
  display: flex;
  gap: 2rem;
}

nav a {
  font-size: 0.9rem;
  font-size: 0.9rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  position: relative;
}

nav a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 255, 249, 0.4);
}

nav a::before {
  content: ">";
  opacity: 0;
  margin-right: 5px;
  color: var(--accent-pink);
  transition: opacity 0.2s;
}

nav a:hover::before {
  opacity: 1;
}

.lang-switch {
  font-family: var(--font-mono);
  color: #000;
  background: var(--accent-cyan);
  border: none;
  padding: 0.5rem 1rem;
  clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
  /* Futuristic Shape */
  font-size: 0.9rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--accent-purple);
  transition: all 0.2s;
}

.lang-switch:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--accent-purple);
  background: #fff;
}

/* Music Toggle Button */
.music-toggle {
  font-family: var(--font-mono);
  color: #000;
  background: var(--accent-orange);
  border: none;
  padding: 0.5rem 1rem;
  clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
  font-size: 0.9rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--accent-purple);
  transition: all 0.2s;
  margin-right: 1rem;
  /* Space between buttons */
}

.music-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--accent-purple);
  background: #fff;
}

.music-toggle.playing {
  background: var(--accent-green);
  box-shadow: 4px 4px 0px var(--accent-cyan);
}

/* Matrix Canvas */
#matrixCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  opacity: 0.2;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-logo {
  width: 250px;
  height: 250px;
  margin-bottom: 2rem;
  border-radius: 50%;
  border: 4px solid rgba(0, 255, 136, 0.5);
  box-shadow: 0 0 80px rgba(0, 255, 136, 0.3),
    inset 0 0 40px rgba(0, 255, 136, 0.2);
  animation: float 6s ease-in-out infinite, pulseGlow 4s infinite alternate;
}

@keyframes pulseGlow {
  from {
    box-shadow: 0 0 60px rgba(0, 255, 136, 0.4);
    border-color: rgba(0, 255, 136, 0.5);
  }

  to {
    box-shadow: 0 0 100px rgba(0, 255, 136, 0.7);
    border-color: rgba(0, 255, 136, 0.9);
  }
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-15px);
  }

  100% {
    transform: translateY(0px);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: #fff;
  text-shadow: 4px 4px 0px #000000;
  letter-spacing: 0.02em;
  position: relative;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 2rem;
  max-width: 600px;
  font-family: var(--font-mono);
  border-left: 3px solid var(--accent-green);
  padding-left: 1rem;
  background: linear-gradient(90deg, rgba(0, 255, 136, 0.1), transparent);
}

/* Contract Address */
.contract-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--accent-green);
  padding: 1rem 1.5rem;
  margin-bottom: 2.5rem;
  gap: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-mono);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
  position: relative;
}

.contract-box::before {
  content: "COPY";
  position: absolute;
  right: -10px;
  top: -10px;
  background: var(--accent-green);
  color: #000;
  font-size: 0.7rem;
  padding: 2px 6px;
  font-weight: bold;
}

.contract-box:hover {
  background: rgba(0, 255, 136, 0.1);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  transform: scale(1.02);
}

.contract-address {
  font-size: 0.9rem;
  color: var(--accent-green);
  letter-spacing: 1px;
}

.copy-icon {
  font-size: 1.1rem;
}

/* Buttons */
.cta-group {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  padding: 1rem 2.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s;
  letter-spacing: 1px;
  border: none;
  position: relative;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 255, 249, 0.2);
  clip-path: polygon(15% 0, 100% 0, 100% 70%, 85% 100%, 0 100%, 0 30%);
}

.btn-secondary:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 30px rgba(0, 255, 249, 0.6);
  transform: translateY(-3px);
}

/* Sections General */
section {
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 3rem;
  margin-bottom: 4rem;
  text-align: center;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
  text-shadow: 3px 3px 0px #000000;
}

/* Concept Cards (Cyber Style) */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.card {
  background: linear-gradient(
    135deg,
    rgba(20, 20, 30, 0.9),
    rgba(10, 10, 15, 0.95)
  );
  border: 1px solid var(--accent-purple);
  padding: 2.5rem;
  position: relative;
  transition: transform 0.3s;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%);
  /* Tech Corner */
}

.card::before {
  content: "";
  /* Decorative line */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple));
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(157, 0, 255, 0.2);
  border-color: var(--accent-pink);
}

.card h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-family: var(--font-display);
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

/* Lore Section */
.lore-container {
  background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    repeating-linear-gradient(
      45deg,
      rgba(157, 0, 255, 0.1) 0,
      rgba(157, 0, 255, 0.1) 10px,
      transparent 10px,
      transparent 20px
    );
  padding: 4rem;
  border: 1px solid var(--accent-cyan);
  text-align: center;
  position: relative;
}

.lore-container::after {
  content: "SECRET_FILE_0810";
  position: absolute;
  bottom: 10px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  opacity: 0.6;
}

.lore-text {
  max-width: 800px;
  margin: 0 auto;
}

#full-story {
  margin-top: 2rem;
  text-align: left;
  background: rgba(0, 0, 0, 0.5);
  padding: 2rem;
  border-left: 4px solid var(--accent-pink);
  display: none;
  /* Hidden by default */
}

#full-story.visible {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hidden {
  display: none;
}

/* Footer */
footer {
  border-top: 2px solid var(--accent-purple);
  padding: 4rem 2rem;
  text-align: center;
  background: #000;
  margin-top: 4rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2rem;
}

.social-icon {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  border: 1px solid var(--accent-cyan);
  padding: 0.5rem 1.5rem;
  transition: all 0.3s;
  text-transform: uppercase;
}

.social-icon:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 20px var(--accent-cyan);
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* Utilities */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }

  .hero-logo {
    width: 180px;
    height: 180px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .lore-container {
    padding: 1.5rem;
  }

  /* Mobile Header - Horizontal Scroll Layout */
  header {
    padding: 0.5rem 1rem;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0;
  }

  .logo-container {
    font-size: 1.1rem;
  }

  .logo-img-sm {
    width: 28px;
    height: 28px;
  }

  .menu-toggle,
  .menu-close {
    display: none !important;
    /* Hide burger buttons */
  }

  nav {
    position: static;
    width: 100%;
    height: auto;
    background: transparent;
    display: block;
    backdrop-filter: none;
    padding: 0;
    order: 3;
    margin-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.5rem;
  }

  nav ul {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    width: 100%;
    overflow-x: auto;
    /* Allow scroll */
    padding-bottom: 5px;
    /* Space for scrollbar if any */
  }

  nav li {
    flex-shrink: 0;
  }

  nav a {
    font-size: 0.8rem;
    display: inline-block;
    padding: 0.5rem;
    text-shadow: none;
    white-space: nowrap;
  }

  .header-actions {
    display: flex !important;
    width: auto;
    margin-top: 0;
    padding-bottom: 0;
    gap: 0.5rem;
  }

  .lang-switch {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }

  .music-toggle {
    margin-right: 0;
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
  }

  /* Mobile Hero */
  .hero {
    padding-top: 7rem;
    padding-bottom: 2rem;
  }

  .hero h1 {
    font-size: 13vw;
    line-height: 1.1;
    margin-bottom: 1rem;
  }

  .hero p {
    font-size: 1rem;
    padding-left: 0.5rem;
    border-left-width: 2px;
  }

  /* Smartphone Novel Style for Origin Story */
  #full-story {
    background: #111;
    /* Darker, solid background for readability */
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--accent-purple);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
    margin-top: 1.5rem;
  }

  #full-story p {
    text-align: left;
    line-height: 2.2;
    /* Spacious line height */
    font-size: 1rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    color: #ddd;
  }

  /* Text Balance */
  .card {
    padding: 1.5rem;
  }

  .card h3 {
    font-size: 1.5rem;
  }

  .lore-text p {
    text-align: left;
    /* Easier to read on mobile */
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
  }

  .contract-box {
    max-width: 90vw;
    font-size: 0.75rem;
    padding: 0.6rem;
  }

  .contract-address {
    font-size: 0.75rem;
  }

  .cta-group {
    width: 100%;
    padding: 0;
  }

  .btn {
    width: 100%;
    font-size: 0.85rem;
    /* Smaller font for mobile buttons */
    padding: 1rem;
    white-space: nowrap;
    /* Prevent awkward wrapping */
  }
}

/* Loading Screen */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 9999;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* Center vertically */
  align-items: center;
  /* Center horizontally */
  transition: opacity 0.5s ease-out, visibility 0.5s;
}

#loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.console-text {
  font-family: var(--font-mono);
  color: var(--accent-green);
  font-size: 1.2rem;
  /* Slightly larger for single line */
  line-height: 1.5;
  white-space: pre-wrap;
  text-shadow: 0 0 5px var(--accent-green);
  text-align: center;
}

.console-text::after {
  content: "_";
  animation: blink 1s step-end infinite;
}

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

  50% {
    opacity: 0;
  }
}