@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;700&display=swap');

:root {
  --bg: #07090d;
  --panel: rgba(11, 15, 22, 0.88);
  --line: rgba(88, 255, 228, 0.22);
  --text: #d8fff9;
  --muted: #7eb6ad;
  --cyan: #57ffe4;
  --pink: #ff4fd8;
  --yellow: #ffd84d;
  --shadow: 0 0 24px rgba(87, 255, 228, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 216, 0.12), transparent 32%),
    radial-gradient(circle at bottom right, rgba(87, 255, 228, 0.12), transparent 30%),
    linear-gradient(180deg, #080b11 0%, #05070b 100%);
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
}

body {
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    to bottom,
    rgba(255,255,255,0.03) 0,
    rgba(255,255,255,0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.12;
  mix-blend-mode: screen;
}

.shell {
  width: min(860px, 100%);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.shell-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}
.dot-red { background: var(--pink); }
.dot-yellow { background: var(--yellow); }
.dot-green { background: var(--cyan); }

.shell-label {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero, .console, .footer-block {
  padding: 26px 20px;
}

.hero {
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 10px;
  color: var(--yellow);
  letter-spacing: 0.16em;
  font-size: 0.8rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 10vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-shadow:
    0 0 10px rgba(87, 255, 228, 0.2),
    0 0 24px rgba(87, 255, 228, 0.08);
}

.tagline {
  max-width: 52ch;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.console {
  display: grid;
  gap: 10px;
}

.line {
  color: var(--text);
}

.prompt {
  color: var(--pink);
  margin-right: 10px;
}

.response {
  color: var(--cyan);
  padding-left: 24px;
  word-break: break-word;
}

.small {
  margin: 0;
  color: var(--yellow);
  letter-spacing: 0.12em;
  font-size: 0.82rem;
}

.cursor {
  display: inline-block;
  width: 10px;
  height: 1.05em;
  margin-left: 6px;
  background: var(--cyan);
  vertical-align: -2px;
  animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
  to { opacity: 0; }
}

@media (max-width: 640px) {
  body { padding: 14px; }
  .hero, .console, .footer-block { padding: 20px 16px; }
  .shell-label { display: none; }
}