:root {
  --bg: #0b0d10;
  --bg-soft: #11151a;
  --panel: #161b22;
  --line: #232a33;
  --fg: #e9eef4;
  --muted: #9aa6b2;
  --accent: #34d399;
  --accent-dim: #1f8f6a;
  --radius: 16px;
  --max: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(52, 211, 153, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(52, 211, 153, 0.06), transparent 55%),
    var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 12px; top: 12px;
  background: var(--accent); color: #04130d;
  padding: 8px 12px; border-radius: 8px; z-index: 50;
}

/* ---- wordmark ---- */
.wordmark {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.04em;
}
.wordmark .dot { color: var(--accent); }
.wordmark.sm { font-size: 18px; }

/* ---- nav ---- */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 15px;
}
.nav-links a:not(.btn) { color: var(--muted); transition: color .15s; }
.nav-links a:not(.btn):hover { color: var(--fg); }

/* ---- buttons ---- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #04130d;
  font-weight: 700;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s ease, background .2s;
  box-shadow: 0 6px 24px rgba(52, 211, 153, 0.22);
}
.btn:hover { transform: translateY(-1px); background: #43e2a8; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  box-shadow: none;
}
.btn-ghost:hover { border-color: var(--accent); background: rgba(52,211,153,0.06); }

/* ---- hero ---- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(52,211,153,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}
h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 6vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.lede {
  margin: 0 0 28px;
  font-size: 18px;
  color: var(--muted);
  max-width: 33ch;
}
.lede em { color: var(--fg); font-style: normal; border-bottom: 2px solid var(--accent-dim); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.fineprint { margin: 18px 0 0; color: var(--muted); font-size: 13px; letter-spacing: 0.01em; }

/* ---- demo widget ---- */
.demo {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,0.5);
}
.demo-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.d-dot { width: 11px; height: 11px; border-radius: 50%; background: #2f3640; }
.demo-url {
  margin-left: 12px;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg);
  padding: 4px 12px;
  border-radius: 999px;
}
.demo-body { padding: 20px; }
.demo-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 14px 0 6px;
}
.demo-label:first-child { margin-top: 0; }
.demo-field {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
  font-size: 14px;
}
.demo-field--filled { color: var(--fg); }
.demo-textarea {
  min-height: 80px;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(52,211,153,0.10);
}
.typed { color: var(--fg); }
.ghost { color: #5b6675; }
.caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.key-hint {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
}
kbd {
  font: inherit;
  font-size: 11px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 7px;
  color: var(--fg);
}

/* ---- strip ---- */
.strip {
  max-width: var(--max);
  margin: 28px auto;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.strip-num { display: block; font-size: 30px; font-weight: 800; letter-spacing: -0.03em; }
.strip-label { font-size: 13px; color: var(--muted); }

/* ---- features ---- */
.features {
  max-width: var(--max);
  margin: 64px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent-dim); transform: translateY(-3px); }
.ico { font-size: 26px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- how ---- */
.how {
  max-width: 820px;
  margin: 84px auto;
  padding: 0 24px;
}
.how h2, .privacy h2, .install h2 {
  font-size: clamp(28px, 4vw, 38px);
  letter-spacing: -0.03em;
  margin: 0 0 36px;
  text-align: center;
}
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.steps li {
  display: flex;
  gap: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.step-n {
  flex: none;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(52,211,153,0.12);
  color: var(--accent);
  font-weight: 800;
}
.steps h4 { margin: 4px 0 6px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---- privacy ---- */
.privacy {
  max-width: var(--max);
  margin: 84px auto;
  padding: 0 24px;
}
.privacy-inner {
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(52,211,153,0.12), transparent 60%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 52px 40px;
  text-align: center;
}
.privacy-inner h2 { margin: 0 0 14px; }
.privacy-inner p { margin: 0 auto 26px; max-width: 56ch; color: var(--muted); font-size: 17px; }
.privacy-inner strong { color: var(--fg); }

/* ---- install ---- */
.install {
  max-width: 720px;
  margin: 84px auto 100px;
  padding: 0 24px;
  text-align: center;
}
.install-lede { color: var(--muted); margin: -20px 0 30px; }
.install-steps {
  text-align: left;
  margin: 0 auto 30px;
  padding: 0;
  list-style: none;
  counter-reset: ins;
  display: grid;
  gap: 12px;
}
.install-steps li {
  counter-increment: ins;
  position: relative;
  padding: 14px 16px 14px 52px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted);
}
.install-steps li::before {
  content: counter(ins);
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: rgba(52,211,153,0.12);
  color: var(--accent);
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
}
.install-steps a { color: var(--accent); }
.install-steps strong, .install-steps code { color: var(--fg); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--line);
}

/* ---- footer ---- */
.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 24px 50px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.foot-meta { color: var(--muted); font-size: 14px; }
.foot-meta a { color: var(--accent); }

/* ---- responsive ---- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 32px; }
  .lede { max-width: none; }
  .strip { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav-links a:not(.btn) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .pulse, .caret { animation: none; }
  html { scroll-behavior: auto; }
}