/* ============================================================
   Indie App QA Sprint — design tokens & system
   Direction: "field lab report" — dark instrument-panel surface,
   amber/lime signal colors borrowed from severity tagging in real
   bug trackers, monospace for anything that reads like evidence
   (repro steps, logs, report excerpts), a warm serif-adjacent sans
   for voice/authority. Not a SaaS-template blue gradient.
   ============================================================ */

:root {
  --color-bg: oklch(16% 0.012 260);
  --color-bg-raised: oklch(20% 0.014 260);
  --color-bg-panel: oklch(23% 0.016 258);
  --color-border: oklch(32% 0.02 258);
  --color-text: oklch(92% 0.01 95);
  --color-text-dim: oklch(68% 0.02 95);
  --color-text-faint: oklch(52% 0.02 258);

  --color-signal: oklch(78% 0.17 80);      /* amber — brand/accent */
  --color-signal-strong: oklch(85% 0.19 85);
  --color-critical: oklch(62% 0.21 25);
  --color-high: oklch(72% 0.18 55);
  --color-medium: oklch(80% 0.15 90);
  --color-low: oklch(70% 0.09 200);

  --font-mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --font-sans: "Iowan Old Style", "Georgia Pro", Georgia, "Source Serif Pro", serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;

  --text-hero: clamp(2.4rem, 1.6rem + 3.4vw, 4.4rem);
  --text-h2: clamp(1.6rem, 1.3rem + 1.2vw, 2.4rem);
  --text-h3: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.08rem);
  --text-small: 0.85rem;

  --space-section: clamp(3.5rem, 2.5rem + 4vw, 8rem);
  --space-block: clamp(1.5rem, 1.2rem + 1vw, 2.75rem);

  --radius-panel: 14px;
  --radius-tag: 5px;

  --duration-fast: 140ms;
  --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:
    radial-gradient(ellipse 900px 500px at 15% -10%, oklch(30% 0.05 85 / 0.25), transparent),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; }

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

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: oklch(16% 0.012 260 / 0.82);
  border-bottom: 1px solid var(--color-border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  font-size: 1.05rem;
}

.brand .dot { color: var(--color-signal); }

.nav-links {
  display: flex;
  gap: clamp(1rem, 2vw, 1.75rem);
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-dim);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-signal-strong);
}

/* ---------- Hero ---------- */

.hero {
  padding-block-start: clamp(3rem, 2rem + 4vw, 6rem);
  padding-block-end: var(--space-section);
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-signal);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--font-sans);
  font-size: var(--text-hero);
  line-height: 1.04;
  margin: 0 0 1.25rem;
  max-width: 15ch;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-signal-strong);
}

.hero .lede {
  color: var(--color-text-dim);
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  max-width: 56ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  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-primary {
  background: var(--color-signal);
  color: oklch(18% 0.02 85);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-signal-strong);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  border-color: var(--color-signal);
  color: var(--color-signal-strong);
}

.price-tag {
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  font-size: var(--text-small);
}
.price-tag strong {
  color: var(--color-text);
  font-size: 1.1rem;
}

/* ---------- Section shell ---------- */

section {
  padding-block: var(--space-section);
  border-top: 1px solid var(--color-border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: var(--space-block);
  flex-wrap: wrap;
}

.section-head h2 {
  font-family: var(--font-sans);
  font-size: var(--text-h2);
  margin: 0;
  max-width: 22ch;
}

.section-head .index {
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  font-size: var(--text-small);
}

/* ---------- Scope bento ---------- */

.scope-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.scope-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: 1.5rem;
  transition: border-color var(--duration-normal) var(--ease-out-expo),
              transform var(--duration-normal) var(--ease-out-expo);
}
.scope-card:hover { border-color: var(--color-signal); transform: translateY(-2px); }

.scope-card:nth-child(1) { grid-column: span 3; }
.scope-card:nth-child(2) { grid-column: span 3; }
.scope-card:nth-child(3) { grid-column: span 2; }
.scope-card:nth-child(4) { grid-column: span 2; }
.scope-card:nth-child(5) { grid-column: span 2; }

.scope-card .num {
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  font-size: var(--text-small);
  display: block;
  margin-bottom: 0.75rem;
}

.scope-card h3 {
  font-family: var(--font-ui);
  font-size: var(--text-h3);
  margin: 0 0 0.5rem;
}

.scope-card p {
  color: var(--color-text-dim);
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .scope-grid { grid-template-columns: 1fr; }
  .scope-card { grid-column: span 1 !important; }
}

/* ---------- Severity legend / sample bug rows ---------- */

.bug-log {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.bug-row {
  display: grid;
  grid-template-columns: 6.5rem 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.bug-row:last-child { border-bottom: none; }

.sev {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-tag);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: fit-content;
}
.sev-critical { background: oklch(30% 0.09 25); color: var(--color-critical); }
.sev-high { background: oklch(32% 0.07 55); color: var(--color-high); }
.sev-medium { background: oklch(32% 0.05 90); color: var(--color-medium); }
.sev-low { background: oklch(30% 0.03 200); color: var(--color-low); }

.bug-row .desc { color: var(--color-text); font-family: var(--font-ui); }
.bug-row .status { color: var(--color-text-faint); font-size: 0.8rem; white-space: nowrap; }

/* ---------- Steps ---------- */

.steps {
  counter-reset: step;
  display: grid;
  gap: 1.25rem;
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding-block: 1rem;
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  color: var(--color-signal);
  font-size: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step h3 { margin: 0 0 0.3rem; font-size: 1.05rem; }
.step p { margin: 0; color: var(--color-text-dim); }

/* ---------- Pricing panel ---------- */

.price-panel {
  background: linear-gradient(160deg, var(--color-bg-panel), var(--color-bg-raised));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: clamp(1.75rem, 1.5rem + 1.5vw, 3rem);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
}

.price-panel .amount {
  font-family: var(--font-mono);
  font-size: clamp(2.75rem, 2.2rem + 2vw, 4rem);
  color: var(--color-signal-strong);
  line-height: 1;
}
.price-panel .amount sup { font-size: 1.4rem; color: var(--color-text-faint); }

.price-panel ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.6rem;
}
.price-panel li {
  display: flex;
  gap: 0.6rem;
  color: var(--color-text-dim);
  font-size: 0.95rem;
}
.price-panel li::before {
  content: "✓";
  color: var(--color-signal);
  font-weight: 700;
}

.pay-methods {
  border-left: 1px solid var(--color-border);
  padding-left: 2.5rem;
}
.pay-methods h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
}
.pay-methods .addr {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  word-break: break-all;
  color: var(--color-text-dim);
  margin: 0.5rem 0 1.25rem;
}

@media (max-width: 760px) {
  .price-panel { grid-template-columns: 1fr; }
  .pay-methods { border-left: none; border-top: 1px solid var(--color-border); padding-left: 0; padding-top: 1.5rem; }
}

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.25rem;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--color-signal);
  font-size: 1.2rem;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  color: var(--color-text-dim);
  margin: 0.75rem 0 0;
  max-width: 60ch;
}

/* ---------- Footer ---------- */

footer {
  padding-block: var(--space-block);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: 0.85rem;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Sample report page ---------- */

.report-doc {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: clamp(1.5rem, 1rem + 2vw, 3rem);
  font-family: var(--font-ui);
}
.report-doc h1, .report-doc h2, .report-doc h3 { font-family: var(--font-sans); }
.report-doc table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.5rem;
  font-size: 0.9rem;
}
.report-doc th, .report-doc td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.report-doc th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}
.report-doc code {
  font-family: var(--font-mono);
  background: var(--color-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
}
.evidence-box {
  border: 1px dashed var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  margin-block: 0.75rem;
}