:root {
  --bg: #0b0f17;
  --bg-raise: #111827;
  --bg-alt: #0d1320;
  --fg: #e5edf7;
  --fg-muted: #8ea0bd;
  --fg-dim: #5b6c8a;
  --accent: #76ffb8;
  --accent-dim: #2f8a5c;
  --border: #1b2437;
  --border-bright: #2a3756;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, sans-serif;
  --r: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  background: radial-gradient(
      900px 500px at 15% -10%,
      rgba(118, 255, 184, 0.12),
      transparent 60%
    ),
    radial-gradient(700px 400px at 95% 5%, rgba(95, 170, 255, 0.08), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--accent);
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--accent);
  color: #000;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  z-index: 100;
}

/* ── nav ────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #000;
  font-family: var(--mono);
  font-weight: 800;
  border-radius: 7px;
}
.brand-text {
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.nav-links a {
  color: var(--fg-muted);
  font-size: 0.94rem;
}
.nav-links a:hover {
  color: var(--fg);
}
.pill {
  background: var(--bg-raise);
  border: 1px solid var(--border-bright);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  color: var(--fg) !important;
}
.pill:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
}

@media (max-width: 720px) {
  .nav-links a:not(.pill) {
    display: none;
  }
}

/* ── hero ───────────────────────────────────── */
.hero {
  max-width: 900px;
  margin: 4rem auto 5rem;
  padding: 0 2rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  background: var(--bg-raise);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  font-weight: 800;
}
.accent {
  background: linear-gradient(
    90deg,
    var(--accent),
    #5faaff 40%,
    #c088ff 80%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  color: var(--fg-muted);
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 2rem;
}

/* ── install block ──────────────────────────── */
.install {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-raise);
  border: 1px solid var(--border-bright);
  padding: 0.85rem 0.9rem 0.85rem 1.25rem;
  border-radius: var(--r);
  font-family: var(--mono);
  font-size: 0.98rem;
  margin-bottom: 1.75rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset,
    0 12px 40px -20px rgba(0, 0, 0, 0.5);
}
.install code {
  color: var(--fg);
}
.copy {
  background: var(--bg);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 0.35rem 0.7rem;
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 0.82rem;
  cursor: pointer;
}
.copy:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* ── cta ────────────────────────────────────── */
.cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border-bright);
  background: var(--bg-raise);
  color: var(--fg);
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color 0.15s, color 0.15s, transform 0.08s;
}
.btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--accent);
  color: #001b0d;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-primary:hover {
  color: #001b0d;
  filter: brightness(1.1);
}

/* ── hero stats ─────────────────────────────── */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 0;
}
.stat {
  text-align: center;
  padding: 1.25rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: rgba(17, 24, 39, 0.4);
}
.stat-n {
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-l {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.35;
}

@media (max-width: 720px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── sections ───────────────────────────────── */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4.5rem 2rem;
  border-top: 1px solid var(--border);
}
.section.alt {
  background: linear-gradient(
    180deg,
    transparent,
    rgba(13, 19, 32, 0.8) 25%,
    rgba(13, 19, 32, 0.8) 75%,
    transparent
  );
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}
.section.alt > * {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.015em;
  margin: 0 0 1.75rem;
  font-weight: 700;
}

/* ── card grid ──────────────────────────────── */
.grid {
  display: grid;
  gap: 1rem;
}
.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-2 {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.4rem;
  background: rgba(17, 24, 39, 0.35);
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: var(--border-bright);
  transform: translateY(-1px);
}
.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.08rem;
  color: var(--fg);
}
.card p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* waste tags */
.grid-3.small {
  grid-template-columns: repeat(3, 1fr);
}
.tag {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 1rem 1.2rem;
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  color: var(--fg);
}
@media (max-width: 600px) {
  .grid-3.small {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── code ────────────────────────────────────── */
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(17, 24, 39, 0.75);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.code-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) {
  .code-grid {
    grid-template-columns: 1fr;
  }
}

.codeblock {
  background: #07090e;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
.codehead {
  padding: 0.6rem 1rem;
  background: var(--bg-raise);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.codeblock pre {
  margin: 0;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  color: var(--fg);
  font-size: 0.88rem;
  line-height: 1.55;
}
.codeblock code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: inherit;
}

/* ── checklist ──────────────────────────────── */
.checklist {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.5rem;
  color: var(--fg-muted);
  font-size: 0.98rem;
}
.checklist li strong {
  color: var(--fg);
}

.foot {
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin-top: 1.25rem;
  max-width: 720px;
}

.foot-nav {
  border-top: 1px solid var(--border);
  padding: 2rem;
  max-width: 1200px;
  margin: 4rem auto 0;
  display: flex;
  justify-content: space-between;
  color: var(--fg-dim);
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.foot-nav a {
  color: var(--fg-muted);
}

@media (max-width: 600px) {
  .section {
    padding: 3rem 1.25rem;
  }
  .hero {
    padding: 0 1.25rem;
    margin: 3rem auto 3.5rem;
  }
}