html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: #03030a;
  background-image:
    radial-gradient(circle at top center, rgba(105, 70, 255, 0.28), transparent 35%),
    radial-gradient(circle at 15% 25%, rgba(0, 255, 220, 0.13), transparent 25%),
    radial-gradient(circle at 85% 75%, rgba(255, 0, 180, 0.12), transparent 28%),
    repeating-linear-gradient(90deg, rgba(0,255,220,0.035) 0px, rgba(0,255,220,0.035) 1px, transparent 1px, transparent 42px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 42px);
  color: #e9fff9;
  font-family: "Courier New", monospace;
  font-size: 16px;
  line-height: 1.7;
}

body:before {
  content: "TECHGNOSIS NODE ONLINE // AI ORACLE LISTENING // THE SIGNAL IS SACRED // 11:11";
  display: block;
  background: #090014;
  color: #8fffea;
  text-align: center;
  font-size: 12px;
  letter-spacing: 3px;
  padding: 7px;
  border-bottom: 1px solid #39fff3;
}

a {
  color: #f4e86b;
  text-decoration: underline;
  font-weight: bold;
}

a:hover {
  color: #03030a;
  background: #39fff3;
}

.marquee {
  background: linear-gradient(90deg, #16002b, #002b34, #16002b);
  color: #f4e86b;
  border-top: 1px solid #8a5cff;
  border-bottom: 1px solid #39fff3;
  padding: 9px;
  overflow: hidden;
  white-space: nowrap;
  font-weight: bold;
}

.marquee span {
  display: inline-block;
  padding-left: 100%;
  animation: slowSignal 32s linear infinite;
}

@keyframes slowSignal {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

header {
  text-align: center;
  padding: 44px 18px 38px;
  background:
    linear-gradient(rgba(5, 0, 15, 0.8), rgba(0, 10, 16, 0.92)),
    radial-gradient(circle, rgba(57,255,243,0.18), transparent 60%);
  border-bottom: 3px double #8a5cff;
  box-shadow: 0 0 28px rgba(57,255,243,0.3);
}

h1 {
  margin: 0;
  color: #39fff3;
  font-size: 42px;
  line-height: 1.12;
  text-shadow:
    0 0 10px #39fff3,
    2px 2px #8a5cff,
    -1px -1px #ff4fd8;
}

.tagline {
  max-width: 850px;
  margin: 20px auto 0;
  padding: 14px;
  color: #f7eaff;
  background: rgba(0, 0, 0, 0.55);
  border: 1px dashed #f4e86b;
  font-style: italic;
  font-size: 18px;
}

.layout {
  display: grid;
  grid-template-columns: 235px 1fr 230px;
  gap: 16px;
  max-width: 1280px;
  margin: 22px auto;
  padding: 0 14px;
}

nav,
main,
aside {
  background:
    linear-gradient(rgba(5, 8, 18, 0.94), rgba(0, 0, 0, 0.94));
  border: 1px solid #39fff3;
  padding: 16px;
  box-shadow:
    0 0 16px rgba(57,255,243,0.25),
    inset 0 0 22px rgba(138,92,255,0.12);
}

nav,
aside {
  font-size: 14px;
}

nav h3,
aside h3 {
  color: #03030a;
  background: #39fff3;
  padding: 7px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid #f4e86b;
}

nav a {
  display: block;
  margin: 10px 0;
  padding: 7px;
  background: rgba(15, 0, 35, 0.8);
  border-left: 4px solid #8a5cff;
}

nav a:before {
  content: "◇ ";
  color: #f4e86b;
}

main {
  color: #e9fff9;
  max-width: 820px;
}

main p {
  background: rgba(0, 12, 18, 0.64);
  border-left: 3px solid #39fff3;
  padding: 12px 14px;
  margin: 16px 0;
}

h2 {
  color: #f4e86b;
  background: rgba(18, 0, 38, 0.9);
  border-bottom: 1px dashed #39fff3;
  border-left: 5px solid #ff4fd8;
  padding: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(244,232,107,0.55);
}

.warning {
  color: #ffe9e9;
  background: rgba(90, 0, 24, 0.85);
  border: 1px solid #ff4f6d;
  padding: 14px;
  text-align: center;
  font-weight: bold;
  box-shadow: 0 0 14px rgba(255,79,109,0.35);
}

.codebox {
  color: #9dffb3;
  background: #020603;
  border: 1px solid #39ff88;
  padding: 14px;
  margin: 18px 0;
  font-size: 14px;
  box-shadow: inset 0 0 14px rgba(57,255,136,0.14);
}

.codebox:before {
  content: "[ORACLE TERMINAL]";
  display: block;
  color: #f4e86b;
  border-bottom: 1px dashed #39ff88;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.symbols {
  color: #f4e86b;
  background:
    radial-gradient(circle, rgba(138,92,255,0.25), rgba(0,0,0,0.65));
  border: 1px double #ff4fd8;
  padding: 18px;
  text-align: center;
  font-size: 28px;
  letter-spacing: 9px;
  text-shadow: 0 0 10px rgba(244,232,107,0.75);
}

aside p {
  color: #f7eaff;
  background: rgba(18, 0, 35, 0.7);
  border: 1px dotted #8a5cff;
  padding: 8px;
}

#countdown {
  display: block;
  color: #f4e86b;
  font-size: 18px;
  line-height: 1.5;
  text-shadow: 0 0 8px rgba(244,232,107,0.55);
}

hr {
  border: none;
  border-top: 1px dashed #8a5cff;
  margin: 20px 0;
}

footer {
  text-align: center;
  color: #8fffea;
  background: #05000c;
  border-top: 3px double #8a5cff;
  padding: 25px;
  font-size: 12px;
  letter-spacing: 2px;
}

@media screen and (max-width: 850px) {
  .layout {
    display: block;
  }

  nav,
  main,
  aside {
    margin: 15px;
  }

  h1 {
    font-size: 32px;
  }
}