:root {
  --bg: #08090a;
  --bg-raised: #0f1210;
  --bg-panel: #0c0f0d;
  --line: #1d2420;
  --text: #d7ded7;
  --text-dim: #8a938c;

  --cyan: #5eead4;
  --magenta: #ff8bd6;
  --green: #7fe08a;
  --yellow: #ffd166;
  --red: #ff6b6b;

  --font: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --radius: 3px;
}

* {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  overflow-y: scroll;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: var(--font);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.1em 0.4em;
  font-size: 0.9em;
  color: var(--yellow);
}

.accent-cyan {
  color: var(--cyan);
}
.accent-magenta {
  color: var(--magenta);
}
.accent-green {
  color: var(--green);
}
.accent-yellow {
  color: var(--yellow);
}

/* faint CRT scanline texture over the whole page */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.015) 0px,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- layout shells ---------- */

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

.section-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 8px;
}

.section-eyebrow::before {
  content: "// ";
  color: var(--cyan);
}

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 28px;
  background: rgba(8, 9, 10, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-glyph {
  color: var(--cyan);
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.nav a:hover {
  color: var(--text);
}

@media (max-width: 720px) {
  .nav {
    display: none;
  }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition:
    transform 120ms ease,
    background 120ms ease,
    border-color 120ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cyan);
  color: #04211c;
  font-weight: 700;
}

.btn-primary:hover {
  background: #7ff2de;
}

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

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.82rem;
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 88px 0 64px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 56px;
  }
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--green);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius);
  margin: 0 0 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  font-weight: 800;
}

.lede {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-live {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
  flex: none;
}

.dot.is-live {
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(127, 224, 138, 0.6);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(127, 224, 138, 0.5);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(127, 224, 138, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(127, 224, 138, 0);
  }
}

/* ---------- terminal mockup (signature element) ---------- */

.hero-term-wrap {
  perspective: 1200px;
}

.term {
  background: #0a0c0b;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow:
    0 30px 80px -30px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: rotateY(-4deg) rotateX(1deg);
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
}

.term-dot-a {
  background: #ff5f57;
}
.term-dot-b {
  background: #febc2e;
}
.term-dot-c {
  background: #28c840;
}

.term-title {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.term-body {
  margin: 0;
  padding: 20px;
  min-height: 320px;
  font-size: 0.86rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

.term-cursor {
  display: inline-block;
  width: 0.55em;
  background: var(--cyan);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ---------- stats strip ---------- */

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 96px;
}

.stat {
  background: var(--bg-panel);
  padding: 24px 18px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--cyan);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

@media (max-width: 700px) {
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- features ---------- */

.features,
.online,
.download {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.features h2,
.online h2,
.download h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 40px;
  max-width: 26ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

@media (max-width: 860px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-panel);
  padding: 26px 22px;
}

.card-glyph {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 0 14px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ---------- online steps ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

.steps li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.steps li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.step-index {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--magenta);
  opacity: 0.85;
}

.steps h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.steps p {
  margin: 0;
  color: var(--text-dim);
  max-width: 62ch;
}

/* ---------- download ---------- */

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}

@media (max-width: 700px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}

.download-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  background: var(--bg-panel);
  transition:
    border-color 120ms ease,
    transform 120ms ease;
}

.download-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.download-card h3 {
  margin: 0 0 10px;
}

.download-alt {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.download-alt a {
  color: var(--cyan);
}

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 48px 28px 32px;
  max-width: 1120px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.footer-brand {
  font-weight: 700;
}

.footer-cols {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-cols h4 {
  margin: 0 0 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.footer-cols div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
}

.footer-cols a:hover {
  color: var(--cyan);
}

.footer-echo {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin: 0;
}