@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600&display=swap");

:root {
  --bg: #09090b;
  --surface: #111113;
  --surface-2: #18181b;
  --text: #ececee;
  --muted: #9f9fa8;
  --muted-2: #71717a;
  --accent: #c6a87c;
  --accent-soft: rgba(198, 168, 124, 0.1);
  --accent-border: rgba(198, 168, 124, 0.28);
  --edge: rgba(255, 255, 255, 0.08);
  --edge-strong: rgba(255, 255, 255, 0.14);
  --font: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1040px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  border-bottom: 1px solid var(--edge);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 15px;
}

.brand img { border-radius: 6px; opacity: 0.92; }

.brand em {
  font-style: normal;
  color: var(--muted);
  font-weight: 500;
}

.topnav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--edge-strong);
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:hover:not(:disabled) { background: var(--surface-2); }

.btn:disabled { opacity: 0.55; cursor: wait; }

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary:hover:not(:disabled) { background: #fff; }

.btn-ghost { color: var(--muted); }

.btn-sm { padding: 8px 14px; font-size: 13px; }

.btn-block { width: 100%; }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 72px;
  border-bottom: 1px solid var(--edge);
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--mono);
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.2vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 600;
  max-width: 14ch;
}

.lead {
  margin: 0 0 22px;
  font-size: 17px;
  color: var(--muted);
  max-width: 38rem;
}

.hero-points {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 15px;
}

.hero-points li {
  position: relative;
  padding-left: 16px;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--accent);
}

.hero-points li + li { margin-top: 8px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.hero-note {
  margin: 0;
  font-size: 13px;
  color: var(--muted-2);
  font-family: var(--mono);
}

.hero-visual { min-width: 0; }

.scope-panel-visual {
  border: 1px solid var(--edge);
  border-radius: calc(var(--radius) + 2px);
  background: var(--surface);
  padding: 24px;
}

.scope-panel-visual header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--edge);
  font-size: 12px;
  color: var(--muted-2);
  font-family: var(--mono);
}

.scope-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.scope-col h3 {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.scope-swatches {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.swatch-row {
  display: flex;
  gap: 6px;
}

.swatch {
  flex: 1;
  height: 28px;
  border-radius: 4px;
  border: 1px solid var(--edge);
}

.swatch-row.src-a .swatch:nth-child(1) { background: #6b7280; }
.swatch-row.src-a .swatch:nth-child(2) { background: #9ca3af; }
.swatch-row.src-a .swatch:nth-child(3) { background: #d1d5db; }

.swatch-row.src-b .swatch:nth-child(1) { background: #78716c; }
.swatch-row.src-b .swatch:nth-child(2) { background: #a8a29e; }
.swatch-row.src-b .swatch:nth-child(3) { background: #e7e5e4; }

.swatch-row.src-c .swatch:nth-child(1) { background: #475569; }
.swatch-row.src-c .swatch:nth-child(2) { background: #64748b; }
.swatch-row.src-c .swatch:nth-child(3) { background: #94a3b8; }

.swatch-row.tgt .swatch:nth-child(1) { background: #57534e; }
.swatch-row.tgt .swatch:nth-child(2) { background: #78716c; }
.swatch-row.tgt .swatch:nth-child(3) { background: #a8a29e; }

.scope-arrow-col {
  font-size: 11px;
  color: var(--muted-2);
  text-align: center;
  font-family: var(--mono);
  line-height: 1.4;
}

.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--edge);
}

.section:last-of-type { border-bottom: none; }

.section h2 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.section-lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 15px;
  max-width: 48ch;
}

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

.card {
  padding: 22px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--edge);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.price-card {
  padding: 22px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--edge);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.price-card.is-featured {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.price-card h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.price-card .price {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.price-card .price span {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.price-card ul {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 13px;
  flex: 1;
}

.price-card li + li { margin-top: 6px; }

.price-card .btn { margin-top: auto; }

.pricing-foot {
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--muted-2);
}

.pricing-foot a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.steps li {
  padding: 20px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 14px;
  color: var(--muted);
}

.steps li strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 600;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 48px;
  border-top: 1px solid var(--edge);
  color: var(--muted);
  font-size: 14px;
}

.footer-brand {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.footer-links {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
}

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

.footer-copy {
  margin: 0;
  font-size: 12px;
  color: var(--muted-2);
}

[hidden] { display: none !important; }

@media (max-width: 960px) {
  .topnav { display: none; }

  .hero {
    grid-template-columns: 1fr;
    padding: 40px 0 56px;
  }

  .hero h1 { max-width: none; }

  .cards,
  .pricing-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .scope-diagram {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .scope-arrow-col { order: 2; }
}