:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-soft: #080d17;
  --panel: rgba(13, 20, 34, 0.78);
  --panel-solid: #0d1422;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #e9eef9;
  --muted: #8c99b1;
  --faint: #5d6b83;
  --teal: #43e2c5;
  --blue: #6aa6ff;
  --violet: #a98cff;
  --orange: #ffb45c;
  --rose: #ff8bab;
  --radius: 18px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(67, 226, 197, 0.10), transparent 60%),
    radial-gradient(900px 560px at 88% 0%, rgba(106, 166, 255, 0.12), transparent 62%),
    radial-gradient(700px 500px at 50% 110%, rgba(169, 140, 255, 0.08), transparent 60%);
  z-index: -2;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 50% 12%, black, transparent 72%);
  z-index: -1;
}
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

header.site {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(5, 7, 13, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand small {
  color: var(--faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 2px 7px;
  margin-left: 2px;
}
.nav nav { display: flex; gap: 18px; margin-left: auto; }
.nav nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.nav nav a:hover { color: var(--text); }
.nav .ghost {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 12px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.nav .ghost:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.05); }

.hero { padding: 84px 0 56px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 52px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(67, 226, 197, 0.22);
  background: rgba(67, 226, 197, 0.07);
  border-radius: 999px;
  padding: 6px 11px;
  margin-bottom: 20px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 12px var(--teal); }
h1 {
  font-size: clamp(40px, 5.6vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin: 0 0 18px;
  font-weight: 680;
}
h1 .grad {
  background: linear-gradient(96deg, #eaf1ff 8%, #7ce8d6 48%, #7db0ff 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede { color: var(--muted); font-size: 17px; max-width: 520px; margin: 0 0 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 11px;
  padding: 12px 18px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s, box-shadow 0.16s, border-color 0.16s, background 0.16s;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  color: #04100d;
  background: linear-gradient(180deg, #79f0dc, #35d6bb);
  box-shadow: 0 14px 36px rgba(52, 214, 187, 0.22);
}
.btn.secondary {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: var(--line-strong);
}
.btn.secondary:hover { border-color: rgba(255,255,255,0.28); }
.btn svg { width: 15px; height: 15px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 16px; color: var(--faint); font-size: 11.5px; }
.meta-row span { display: inline-flex; align-items: center; gap: 6px; }
.meta-row i { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }

.terminal {
  background: linear-gradient(180deg, rgba(15, 23, 39, 0.95), rgba(9, 14, 25, 0.95));
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255,255,255,0.06);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 13px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
}
.lights { display: flex; gap: 6px; }
.lights i { width: 9px; height: 9px; border-radius: 50%; display: block; }
.lights i:nth-child(1) { background: #ff5f57; }
.lights i:nth-child(2) { background: #febc2e; }
.lights i:nth-child(3) { background: #28c840; }
.term-title { margin-left: 6px; color: var(--faint); font-size: 10.5px; font-family: var(--mono); flex: 1; }
.tabs { display: flex; gap: 4px; background: rgba(255,255,255,0.04); padding: 3px; border-radius: 8px; }
.tabs button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 600 10.5px var(--sans);
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
}
.tabs button.active { background: rgba(255,255,255,0.09); color: var(--text); }
.term-body { padding: 16px; font-family: var(--mono); font-size: 12.5px; min-height: 164px; }
.term-line { display: flex; gap: 9px; margin-bottom: 8px; }
.prompt { color: var(--teal); user-select: none; }
.cmd {
  color: #dbe7ff;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 20px;
}
.cmd .caret {
  display: inline-block;
  width: 7px;
  height: 15px;
  background: var(--teal);
  vertical-align: -2px;
  margin-left: 1px;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.term-note { color: var(--faint); font-size: 10.5px; line-height: 1.5; margin-top: 12px; }
.term-actions { display: flex; gap: 8px; margin-top: 14px; }
.copy-btn {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font: 600 10.5px var(--sans);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.copy-btn:hover { background: rgba(255,255,255,0.09); }
.copy-btn svg { width: 12px; height: 12px; }
.copy-btn.copied { color: var(--teal); border-color: rgba(67,226,197,0.4); }
.tab-help { color: var(--faint); font-size: 10.5px; margin-top: 10px; }
.tab-help code { color: var(--muted); }

.term-download {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--blue);
  text-decoration: none;
  font-size: 11px;
  margin-top: 4px;
}
.term-download:hover { text-decoration: underline; }

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.014);
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  justify-content: space-between;
  padding: 16px 0;
  color: var(--faint);
  font-size: 11.5px;
}
.strip strong { color: var(--muted); font-weight: 600; }

section { padding: 76px 0; }
.section-head { max-width: 660px; margin-bottom: 34px; }
.section-kicker {
  color: var(--teal);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 9px;
}
h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  font-weight: 660;
}
.section-head p { color: var(--muted); font-size: 14.5px; margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.feature {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  padding: 20px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.feature:hover { border-color: rgba(255,255,255,0.18); transform: translateY(-2px); }
.feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(260px 140px at 80% 0%, var(--glow, rgba(67,226,197,0.12)), transparent 70%);
  opacity: 0.8;
  pointer-events: none;
}
.feature .icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line-strong);
  margin-bottom: 13px;
  color: var(--accent, var(--teal));
}
.feature .icon svg { width: 17px; height: 17px; }
.feature h3 { margin: 0 0 5px; font-size: 13.5px; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 11.8px; line-height: 1.55; }

.safety-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: start; }
.safety-list { display: grid; gap: 10px; }
.safety-item {
  display: flex;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255,255,255,0.02);
}
.safety-item .num {
  width: 21px;
  height: 21px;
  border-radius: 6px;
  background: rgba(67,226,197,0.12);
  border: 1px solid rgba(67,226,197,0.24);
  color: var(--teal);
  display: grid;
  place-items: center;
  font-size: 10px;
  font-weight: 700;
  flex: none;
  margin-top: 1px;
}
.safety-item b { display: block; font-size: 12.5px; margin-bottom: 2px; }
.safety-item span { color: var(--muted); font-size: 11.5px; }
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 20px;
}
.panel h3 { margin: 0 0 12px; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--faint); }
.kv { display: grid; gap: 9px; }
.kv div { display: flex; justify-content: space-between; gap: 12px; font-size: 11.5px; }
.kv span:first-child { color: var(--muted); }
.kv span:last-child { color: var(--text); font-family: var(--mono); font-size: 10.5px; }
.panel .foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--faint); font-size: 10.5px; }

.pricing {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 34px;
  background:
    radial-gradient(500px 220px at 100% 0%, rgba(106,166,255,0.14), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.012));
}
.pricing h2 { margin-bottom: 8px; }
.pricing p { color: var(--muted); margin: 0; font-size: 13.5px; max-width: 560px; }
.price-tag { text-align: right; }
.price-tag .free { font-size: 34px; font-weight: 680; letter-spacing: -0.04em; }
.price-tag .free small { font-size: 12px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.price-tag .note { color: var(--faint); font-size: 10.5px; margin-top: 4px; }

.faq { display: grid; gap: 8px; max-width: 820px; }
details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.018);
  padding: 0 16px;
}
details summary {
  cursor: pointer;
  padding: 14px 0;
  font-size: 12.5px;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--faint); font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0 0 14px; color: var(--muted); font-size: 11.8px; max-width: 700px; }
details code, p code { font-family: var(--mono); font-size: 10.5px; color: #cfe0ff; background: rgba(106,166,255,0.1); padding: 1px 5px; border-radius: 4px; }

.feedback-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
form.feedback { display: grid; gap: 10px; }
.field { display: grid; gap: 5px; }
.field label { font-size: 10.5px; color: var(--muted); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.035);
  color: var(--text);
  border-radius: 9px;
  padding: 10px 11px;
  font: 12.5px var(--sans);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(67,226,197,0.5);
  background: rgba(255,255,255,0.055);
}
.field textarea { min-height: 106px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-note { color: var(--faint); font-size: 10.5px; line-height: 1.5; }
.form-status { font-size: 11px; color: var(--teal); min-height: 16px; }

footer.site { border-top: 1px solid var(--line); padding: 34px 0 44px; }
.foot-grid { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between; }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 11.5px; }
.foot-links a:hover { color: var(--text); }
.foot-meta { color: var(--faint); font-size: 10.5px; }

.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid rgba(255,180,92,0.24);
  background: rgba(255,180,92,0.07);
  border-radius: 11px;
  padding: 11px 13px;
  font-size: 11px;
  color: #f4d7ae;
  margin-top: 18px;
}
.notice svg { width: 14px; height: 14px; flex: none; margin-top: 1px; }

@media (max-width: 960px) {
  .hero-grid, .safety-grid, .feedback-grid, .pricing { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .nav nav { display: none; }
  .price-tag { text-align: left; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 28px); }
  .features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  h1 { font-size: 40px; }
  section { padding: 58px 0; }
  .terminal .term-body { font-size: 11px; }
  .strip .wrap { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cmd .caret { animation: none; }
  .btn, .feature { transition: none; }
}