:root {
  --color-paper: oklch(97% 0.01 80);
  --color-paper-raised: oklch(99% 0.005 80);
  --color-ink: oklch(20% 0.01 60);
  --color-ink-soft: oklch(38% 0.015 60);
  --color-line: oklch(85% 0.015 70);
  --color-accent: oklch(58% 0.19 35);
  --color-accent-ink: oklch(99% 0.01 40);
  --color-good: oklch(58% 0.14 150);
  --color-warn: oklch(72% 0.15 80);
  --color-bad: oklch(55% 0.2 25);
  --color-console-bg: oklch(18% 0.01 60);
  --color-console-text: oklch(88% 0.02 90);

  --font-display: -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;

  --text-xs: 0.8125rem;
  --text-sm: 0.9375rem;
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.15rem, 1.05rem + 0.4vw, 1.375rem);
  --text-h2: clamp(1.75rem, 1.4rem + 1.6vw, 2.75rem);
  --text-hero: clamp(2.2rem, 1.4rem + 3.6vw, 4rem);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: clamp(2.5rem, 2rem + 2vw, 4rem);
  --space-section: clamp(4rem, 3rem + 4vw, 7rem);

  --radius: 4px;
  --duration-fast: 150ms;
  --duration-normal: 260ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  line-height: 1.1;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin: 0 0 0.75em;
}

p { margin: 0 0 1em; color: var(--color-ink-soft); }

code, pre { font-family: var(--font-mono); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklch, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-lg);
}

.brand-mark {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  font-size: var(--text-sm);
}

.nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  transition: color var(--duration-fast) var(--ease-out-expo);
}
.nav a:hover, .nav a:focus-visible { color: var(--color-ink); }

.nav-cta {
  background: var(--color-ink);
  color: var(--color-paper) !important;
  padding: 0.5em 1em;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--color-accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.85em 1.5em;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              background var(--duration-fast) var(--ease-out-expo),
              border-color var(--duration-fast) var(--ease-out-expo);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: color-mix(in oklch, var(--color-accent) 85%, black);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--color-ink);
  color: var(--color-paper);
}

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

/* ---------- Hero ---------- */
.hero { padding-block: var(--space-section) var(--space-lg); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero h1 {
  font-size: var(--text-hero);
}

.accent { color: var(--color-accent); }

.lede { font-size: var(--text-lg); max-width: 46ch; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-block: var(--space-md);
}

.trust-line {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

.hero-panel {
  background: var(--color-console-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 48px -20px oklch(20% 0.02 60 / 0.4);
  transform: rotate(0.6deg);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  background: oklch(24% 0.01 60);
}

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-red { background: var(--color-bad); }
.dot-amber { background: var(--color-warn); }
.dot-green { background: var(--color-good); }
.panel-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: oklch(65% 0.02 90);
}

.panel-body {
  margin: 0;
  padding: 1.25rem;
  color: var(--color-console-text);
  font-size: 0.8rem;
  line-height: 1.7;
  overflow-x: auto;
}

/* ---------- Sections ---------- */
section { padding-block: var(--space-section); }
.scan-section, .how-section, .pay-section { border-top: 1px solid var(--color-line); }
.bugs-section, .pricing-section, .contact-section { border-top: 1px solid var(--color-line); background: var(--color-paper-raised); }

h2 { font-size: var(--text-h2); max-width: 20ch; }
.section-lede { font-size: var(--text-lg); max-width: 56ch; }

/* ---------- Scan widget ---------- */
.scan-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-block: var(--space-md) 0.75rem;
  max-width: 640px;
}
.scan-form input {
  flex: 1 1 280px;
  padding: 0.85em 1em;
  font-size: var(--text-base);
  font-family: var(--font-mono);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}
.scan-form input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.scan-status {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  min-height: 1.5em;
}

.scan-result {
  margin-top: var(--space-md);
  background: var(--color-console-bg);
  color: var(--color-console-text);
  border-radius: 8px;
  padding: var(--space-md);
  max-width: 760px;
}

.scan-score {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}
.scan-score .num { font-size: 2.5rem; font-weight: 700; }
.scan-score .label { color: oklch(70% 0.02 90); font-size: var(--text-sm); }

.scan-issues { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.scan-issues li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid oklch(30% 0.01 60);
}
.scan-issues li:last-child { border-bottom: none; }
.tag { flex-shrink: 0; padding: 0.1em 0.5em; border-radius: 3px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.tag-bad { background: color-mix(in oklch, var(--color-bad) 25%, transparent); color: oklch(80% 0.12 25); }
.tag-warn { background: color-mix(in oklch, var(--color-warn) 25%, transparent); color: oklch(85% 0.1 80); }
.tag-good { background: color-mix(in oklch, var(--color-good) 25%, transparent); color: oklch(80% 0.1 150); }

/* ---------- Bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  margin-block: var(--space-md);
}
.bento-item {
  background: var(--color-paper);
  padding: var(--space-md);
  border-top: 3px solid transparent;
}
.bento-item h3 { font-size: var(--text-lg); margin-bottom: 0.4em; }
.bento-item p { margin: 0; font-size: var(--text-sm); }
.bento-featured {
  background: var(--color-paper-raised);
  border-top-color: var(--color-accent);
}

.bugs-note { font-size: var(--text-sm); }
.bugs-note a { color: var(--color-accent); font-weight: 600; text-decoration: underline; }

/* ---------- Steps ---------- */
.steps {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.steps li { border-top: 3px solid var(--color-accent); padding-top: 1rem; }
.step-num {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: var(--text-sm);
  margin-bottom: 0.5rem;
}
.steps h3 { font-size: var(--text-base); }
.steps p { font-size: var(--text-sm); }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.price-card, .addon-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: var(--space-lg);
}
.price-card { border-color: var(--color-ink); }
.price-amount {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 0.3em;
}
.price-list {
  list-style: none;
  margin: 0 0 var(--space-md);
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: var(--text-sm);
}
.price-list li::before { content: "— "; color: var(--color-accent); }

.addon-card h3 { font-size: var(--text-lg); }
.addon-list { margin: 0 0 1rem; }
.addon-list > div {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: var(--text-sm);
}
.addon-list dt { color: var(--color-ink); }
.addon-list dd { margin: 0; font-family: var(--font-mono); color: var(--color-accent); }
.addon-note { font-size: var(--text-xs); margin: 0; }

/* ---------- Pay ---------- */
.pay-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-block: var(--space-md);
}
.pay-card {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: var(--space-md);
}
.pay-card h3 { font-size: var(--text-lg); }
.wallet-address {
  display: block;
  word-break: break-all;
  font-size: 0.85rem;
  background: var(--color-console-bg);
  color: var(--color-console-text);
  padding: 0.75em;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}
.pay-note { font-size: var(--text-sm); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-lg);
}
.contact-alt { font-size: var(--text-sm); }
.lead-form { display: grid; gap: 1rem; }
.field { display: grid; gap: 0.35rem; }
.field label { font-size: var(--text-xs); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-ink-soft); }
.field input, .field textarea {
  padding: 0.75em 0.9em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: var(--text-base);
  background: var(--color-paper);
  color: var(--color-ink);
  resize: vertical;
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.lead-status { font-family: var(--font-mono); font-size: var(--text-sm); min-height: 1.5em; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-md);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}
.footer-row p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .pricing-grid, .contact-grid, .pay-grid { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav a:not(.nav-cta) { display: none; }
  .header-row { height: auto; padding-block: 0.9rem; }
  .nav-cta { padding: 0.6em 0.9em; font-size: var(--text-xs); }
}
@media (max-width: 560px) {
  .bento { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero-panel { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}