/* Hero: headline and the raw-to-rendered visual. */

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 2rem + 5vw, 6.5rem) var(--gutter) var(--space-section);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1.25rem;
  font: 600 0.75rem / 1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-ink);
}

.hero h1 {
  margin: 0;
  font: 500 var(--text-hero) / 0.98 var(--font-display);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.lede {
  margin: 1.75rem 0 2rem;
  max-width: 34rem;
  font-size: var(--text-lg);
  color: var(--ink-2);
  text-wrap: pretty;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  font: 0.8rem / 1.4 var(--font-mono);
  color: var(--ink-3);
}

.facts li::before {
  content: "✓ ";
  color: var(--done);
}

/* Hero visual: raw text behind, rendered document in front */

.transform {
  position: relative;
  margin: 0;
  display: grid;
  grid-template-areas: "stack";
  padding-block-end: 2.5rem;
}

.pane {
  position: relative;
  grid-area: stack;
  border-radius: var(--radius);
  border: 1px solid var(--rule);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.pane-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.9rem;
  font: 0.72rem / 1.2 var(--font-mono);
  color: var(--ink-3);
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

.pane-raw {
  width: 78%;
  background: var(--paper-2);
  transform: rotate(-2.5deg) translate(-4%, -2%);
  animation: raw-in var(--duration-slow) var(--ease-out-expo) both;
}

.pane-raw pre {
  margin: 0;
  padding: 1rem 1.1rem 1.4rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-2);
  overflow: hidden;
}

.tk-meta {
  color: var(--ink-3);
}

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

.tk-h {
  color: var(--ink);
  font-weight: 700;
}

.tk-q {
  color: var(--amber-ink);
}

.pane-doc {
  z-index: 1;
  width: 76%;
  justify-self: end;
  align-self: end;
  margin-block-start: 5.5rem;
  background: var(--paper);
  box-shadow: var(--shadow-lift);
  animation: doc-in var(--duration-slow) var(--ease-out-expo) 120ms both;
}

.pane-doc .pane-bar {
  color: var(--ink-2);
  background: var(--paper-2);
}

.doc {
  padding: 1.1rem 1.25rem 1.3rem;
}

.doc-h1 {
  margin: 0 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
  font: 600 1.45rem / 1.15 var(--font-display);
}

.doc-alert {
  padding: 0.5rem 0.75rem;
  border-inline-start: 3px solid var(--warn);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in oklch, var(--warn) 12%, var(--paper));
  font-size: 0.85rem;
}

.doc-alert b {
  display: block;
  font: 700 0.65rem / 1.6 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-ink);
}

.doc-tasks {
  margin: 0.8rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.88rem;
}

.doc-tasks li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.1rem 0;
}

.box {
  width: 0.9rem;
  height: 0.9rem;
  border: 1.5px solid var(--ink-3);
  border-radius: 3px;
  flex: none;
}

.box.is-done {
  border-color: var(--accent);
  background:
    linear-gradient(45deg, transparent 45%, var(--accent-ink) 45% 60%, transparent 60%) 2px 4px / 5px 5px no-repeat,
    linear-gradient(-45deg, transparent 45%, var(--accent-ink) 45% 58%, transparent 58%) 4px 1px / 8px 9px no-repeat,
    var(--accent);
}

.doc-diagram {
  width: 100%;
  max-width: 15rem;
  height: auto;
}

.doc-diagram rect {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1.5;
}

.doc-diagram text {
  fill: var(--ink);
  font: 600 13px var(--font-body);
  text-anchor: middle;
}

.doc-diagram path {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.transform figcaption {
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  font: 0.75rem / 1.4 var(--font-mono);
  color: var(--ink-3);
}

@keyframes raw-in {
  from {
    opacity: 0;
    transform: rotate(0deg) translate(0, 1.5rem);
  }
}

@keyframes doc-in {
  from {
    opacity: 0;
    transform: translate(1.5rem, 2rem) scale(0.97);
  }
}