:root {
  --bg-1: #050910;
  --bg-2: #0b1624;
  --accent: #6af59f;
  --accent-2: #6cd2ff;
  --text: #e6f4ff;
  --muted: #9db5cc;
  --card: rgba(6, 12, 20, 0.82);
  --border: rgba(108, 210, 255, 0.18);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.38);
  --grid: rgba(108, 210, 255, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(106, 245, 159, 0.08), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(108, 210, 255, 0.1), transparent 30%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  overflow-x: hidden;
  position: relative;
  letter-spacing: -0.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 120px 64px, 120px 64px;
  opacity: 0.22;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.02em; }

p { margin: 0; color: var(--muted); line-height: 1.6; }

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 84px clamp(18px, 4vw, 72px) 52px;
  position: relative;
  isolation: isolate;
  max-width: 1220px;
  margin: 0 auto;
  align-items: center;
  z-index: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 700;
}

.lede { margin: 16px 0 24px; max-width: 56ch; }

.text-glow {
  display: inline-block;
  margin-left: 8px;
  padding: 6px 10px;
  background: linear-gradient(120deg, rgba(106, 245, 159, 0.14), rgba(108, 210, 255, 0.18));
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 0 32px rgba(106, 245, 159, 0.24);
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0 8px;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border 0.2s ease;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #041410;
  box-shadow: 0 12px 28px rgba(106, 245, 159, 0.36);
}

.btn:hover { transform: translateY(-2px) scale(1.01); box-shadow: var(--shadow), 0 0 22px rgba(106, 245, 159, 0.18); }

.hero__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.meta-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 14px;
}

.control-panel {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  color: var(--muted);
  font-weight: 700;
}

.switch input { display: none; }

.slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  transition: background 0.2s ease;
  border: 1px solid var(--border);
}

.slider::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 4px 10px rgba(106, 245, 159, 0.6);
}

.switch input:checked + .slider { background: rgba(106, 245, 159, 0.2); }
.switch input:checked + .slider::after { transform: translateX(18px); }

.hero__hud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.hud-tile {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.hud-value { color: var(--text); font-weight: 700; }

.hero__visual {
  position: relative;
  grid-column: 1 / -1;
  width: 100%;
  padding: 12px;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(106, 245, 159, 0.08), rgba(108, 210, 255, 0.12));
}

.console-window {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0;
  background: linear-gradient(145deg, rgba(5, 12, 20, 0.94), rgba(7, 16, 24, 0.88));
  overflow: hidden;
  box-shadow: var(--shadow);
}

.console-window__bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(108, 210, 255, 0.12), rgba(106, 245, 159, 0.08));
  font-weight: 700;
}

.dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot--green { background: #6af59f; }
.dot--amber { background: #ffcf6d; }
.dot--red { background: #ff6b6b; }

.console-window__title { color: var(--text); }
.console-window__status { color: var(--muted); font-size: 13px; text-align: right; }

.console-window__body {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.prompt-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
}

.prompt-label { color: var(--accent-2); font-weight: 700; font-size: 13px; }
.prompt-cmd { color: var(--text); }
.prompt-cmd--soft { color: var(--muted); }

.console-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.console-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.dual-monitor {
  gap: 16px;
}

.dual-monitor__split {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(106, 245, 159, 0.08), rgba(108, 210, 255, 0.08));
}

.monitor {
  position: relative;
  padding: 16px;
  display: grid;
  gap: 10px;
  min-height: 280px;
}

.monitor--unix {
  background: radial-gradient(circle at 30% 30%, rgba(106, 245, 159, 0.08), transparent 60%);
}

.monitor--nt {
  background: radial-gradient(circle at 70% 20%, rgba(108, 210, 255, 0.1), transparent 60%);
  border-left: 1px solid rgba(108, 210, 255, 0.18);
}

.monitor__header {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
  font-size: 13px;
}

.monitor__title { font-weight: 700; }
.monitor__path { color: var(--muted); }

.led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(106, 245, 159, 0.8);
}
.led--green { background: #6af59f; }

.terminal {
  display: grid;
  gap: 6px;
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.line { color: var(--text); }
.line .prompt { color: var(--accent-2); margin-right: 6px; }
.line--label { color: var(--accent-2); font-weight: 700; letter-spacing: 0.02em; }

.status-line {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.monitor--nt .badge { background: rgba(108, 210, 255, 0.08); }

.nt-titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: linear-gradient(120deg, rgba(108, 210, 255, 0.14), rgba(255, 255, 255, 0.04));
  color: var(--text);
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.nt-icons { font-family: "JetBrains Mono", monospace; color: var(--muted); font-size: 12px; }

.nt-desktop {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: start;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(108, 210, 255, 0.04));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.nt-window {
  background: rgba(6, 12, 20, 0.82);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.nt-window--right { background: rgba(12, 20, 30, 0.86); }

.nt-window__header {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent-2);
}

.nt-list {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  display: grid;
  gap: 4px;
}

.nt-log { margin: 0 0 6px; color: var(--muted); }
.nt-log--accent { color: var(--accent); }

.nt-taskbar {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: linear-gradient(90deg, rgba(108, 210, 255, 0.12), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 6px;
}

.nt-start {
  background: rgba(106, 245, 159, 0.14);
  border: 1px solid rgba(106, 245, 159, 0.4);
  padding: 6px 10px;
  border-radius: 8px;
  font-weight: 700;
}

.nt-task, .nt-clock {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 8px;
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
}

.signal {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.signal__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.signal-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 8px;
  height: 54px;
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.signal-grid span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), rgba(255, 255, 255, 0));
  border-radius: 8px;
  transform-origin: bottom;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}

.badge--accent { color: var(--accent); border-color: rgba(106, 245, 159, 0.6); }
.badge--note { color: var(--accent-2); border-color: rgba(108, 210, 255, 0.5); }

.matrix {
  padding: 34px clamp(18px, 4vw, 72px) 68px;
}

.matrix__head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto 22px;
}

.matrix__note { max-width: 38ch; }

.matrix__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.os-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  min-height: 210px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, border 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  opacity: 0.9;
}

.os-card::before {
  content: attr(data-era);
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.16);
}

.os-card:hover { transform: translateY(-6px) scale(1.01); border-color: rgba(106, 245, 159, 0.7); box-shadow: var(--shadow), 0 0 24px rgba(106, 245, 159, 0.16); opacity: 1; }
.os-card.visible { opacity: 1; transform: translateY(0); }

.os-card__row { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
  color: var(--muted);
}
.pill--year { color: var(--accent-2); background: rgba(108, 210, 255, 0.12); border-color: rgba(108, 210, 255, 0.5); font-family: "JetBrains Mono", monospace; font-size: 12px; }

.os-card__meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.link-inline::after { content: ">"; font-size: 14px; transition: transform 0.2s ease; }
.os-card:hover .link-inline::after { transform: translateX(4px); }

.focus {
  padding: 12px clamp(18px, 4vw, 72px) 68px;
}

.focus__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.focus__card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.footer {
  padding: 22px clamp(18px, 4vw, 72px) 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
}

.footer__brand { font-weight: 700; letter-spacing: 0.04em; color: var(--accent); }
.footer__meta { display: flex; gap: 12px; flex-wrap: wrap; }

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.06) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: soft-light;
  opacity: 0.5;
  transition: opacity 0.25s ease;
  z-index: 0;
}

.stars {
  position: fixed;
  inset: 0;
  background: radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0.3;
  pointer-events: none;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.2));
  transition: transform 0.2s ease;
  z-index: 0;
}

.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(600px 400px at 20% 30%, rgba(106, 245, 159, 0.18), transparent 50%),
    radial-gradient(500px 380px at 80% 20%, rgba(108, 210, 255, 0.12), transparent 40%),
    radial-gradient(800px 500px at 50% 90%, rgba(106, 245, 159, 0.08), transparent 40%);
  filter: blur(30px);
  opacity: 0.85;
  transition: transform 0.2s ease;
  z-index: 0;
}

.os-shell {
  position: relative;
}

.os-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.32));
  mix-blend-mode: multiply;
  opacity: 0.42;
  transition: opacity 0.25s ease;
}

body.no-glow .os-card,
body.no-glow .console-window {
  box-shadow: none;
  border-color: var(--border);
}

body.no-grid .scanlines { opacity: 0; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero, .matrix, .focus { padding-inline: 16px; }
  .matrix__head { flex-direction: column; align-items: flex-start; }
  .console-window__bar { grid-template-columns: 1fr; row-gap: 8px; }
}