/* ── PAGE HERO (centered header) ── */
.page-hero {
  text-align: center;
  padding: 6rem 2rem 3rem;
  max-width: 620px;
  margin: 0 auto;
}
.page-hero .section-eyebrow { margin-bottom: 1.25rem; }
.hero-problem {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  letter-spacing: -0.01em;
  color: var(--ink-2);
  margin-bottom: 1.25rem;
}
.hero-problem em { font-style: italic; color: var(--ink); }
.page-hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 1.25rem;
}
.page-hero h1 em { font-style: italic; color: var(--ink-3); }
.page-hero .page-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 460px;
  margin: 0 auto 1.25rem;
  font-weight: 300;
}
.reel-embed {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}
.reel-embed iframe {
  border-radius: var(--radius-md);
  border: 1px solid var(--cream-3);
  max-width: 100%;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--cream-3);
  padding: 2.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.footer-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
.footer-logo span { color: var(--ink-3); }
.footer-right {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-3);
}

/* ── DEMO (model runner) ── */
.demo-field-label {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.6rem;
  text-align: center;
}
.demo-status {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  margin-top: 0.85rem;
  min-height: 1em;
  text-align: center;
}
.demo-status:empty { margin-top: 0; }
.demo-status--ok { color: var(--score-green); }
.demo-status--err { color: var(--score-coral); }
.demo-status--wait {
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
}
.demo-spinner {
  width: 0.85em;
  height: 0.85em;
  border: 2px solid var(--cream-3);
  border-top-color: var(--ink-3);
  border-radius: 50%;
  display: inline-block;
  animation: demo-spin 0.7s linear infinite;
}
@keyframes demo-spin {
  to { transform: rotate(360deg); }
}

.demo-file {
  display: block;
  width: 100%;
  font-family: 'Figtree', sans-serif;
  font-size: 0.9rem;
  color: var(--ink-2);
  padding: 1rem 1.25rem;
  background: var(--cream-2);
  border: 1px dashed var(--cream-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
}
.demo-file::file-selector-button {
  font-family: 'Figtree', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--cream);
  background: var(--ink);
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  margin-right: 1rem;
  cursor: pointer;
}

.demo-run-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.demo-run-row .demo-status { margin-top: 0; }

.demo-output {
  margin-top: 2.75rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--cream-3);
}

/* ── Cropped clip preview ── */
.hook-clip-video {
  display: block;
  width: 100%;
  max-height: 420px;
  border-radius: var(--radius-md);
  background: var(--ink);
  margin-bottom: 2rem;
}

/* ── Hook score card ── */
.hook-score {
  background: var(--cream-2);
  border: 1px solid var(--cream-3);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
.hook-score-value {
  font-family: 'Instrument Serif', serif;
  font-size: 4rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hook-score-pill {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-top: 0.85rem;
}
.hook-score-pill--ok { color: var(--score-green); background: color-mix(in srgb, var(--score-green) 12%, transparent); }
.hook-score-pill--wait { color: var(--ink-3); background: var(--cream-3); }
.hook-score-pill--err { color: var(--score-coral); background: color-mix(in srgb, var(--score-coral) 12%, transparent); }
.hook-score-note {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-2);
  font-weight: 300;
  max-width: 420px;
  margin: 0.85rem auto 0;
}

/* ── Hook checklist ── */
.hook-checklist {
  background: var(--cream-2);
  border: 1px solid var(--cream-3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.hook-checklist-label { text-align: left; margin-bottom: 0.85rem; }
.hook-checklist-list { list-style: none; margin: 0; padding: 0; }
.hook-checklist-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--cream-3);
}
.hook-checklist-item:last-child { border-bottom: none; padding-bottom: 0; }
.hook-checklist-item:first-child { padding-top: 0; }
.hook-checklist-icon {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  flex-shrink: 0;
  width: 1em;
}
.hook-checklist-item--pass .hook-checklist-icon { color: var(--score-green); }
.hook-checklist-item--fail .hook-checklist-icon { color: var(--score-coral); }
.hook-checklist-text { display: flex; flex-direction: column; gap: 0.15rem; }
.hook-checklist-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
}
.hook-checklist-note {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 300;
}

/* ── Attention curve chart ── */
.hook-curve-label { text-align: left; margin-bottom: 0.85rem; }
.hook-curve-chart { position: relative; }
.hook-curve-svg { display: block; width: 100%; height: auto; overflow: visible; touch-action: none; }
.hook-curve-grid { stroke: var(--cream-3); stroke-width: 1; }
.hook-curve-axis-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  fill: var(--ink-3);
}
.hook-curve-line { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.hook-curve-dot { fill: var(--ink); stroke: var(--cream); stroke-width: 2; }
.hook-curve-callout-dot { fill: var(--ink-3); stroke: var(--cream); stroke-width: 2; }
.hook-curve-callout-stem { stroke: var(--ink-3); stroke-width: 1; }
.hook-curve-callout-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  fill: var(--ink-3);
}
.hook-curve-crosshair { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 2 3; pointer-events: none; }
.hook-curve-playhead-line { stroke: var(--ink); stroke-width: 1.5; pointer-events: none; }
.hook-curve-playhead-dot { fill: var(--ink); stroke: var(--cream); stroke-width: 2; pointer-events: none; }
.hook-curve-hit { cursor: crosshair; }
.hook-curve-tooltip {
  position: absolute;
  transform: translate(-50%, -130%);
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--cream);
  background: var(--ink);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
}
.hook-curve-table-wrap { margin-top: 1rem; }
.hook-curve-table-wrap summary {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  cursor: pointer;
}
.hook-curve-table { width: 100%; border-collapse: collapse; margin-top: 0.75rem; font-size: 0.82rem; }
.hook-curve-table th, .hook-curve-table td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--cream-3);
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}
.hook-curve-table th { font-family: 'DM Mono', monospace; font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.hook-curve-disclaimer {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink-3);
  font-weight: 300;
  margin-top: 1.25rem;
}

/* ── RESPONSIVE ── */
/* Single breakpoint at 768px. Lives at the end of sections.css so it overrides
   all component and section rules above. */
@media (max-width: 768px) {
  nav { padding: 1rem 1.25rem; }
  .page-hero { padding: 4rem 1.25rem 2.5rem; }
  .reel-embed iframe { width: 100%; height: 460px; }
  footer { flex-direction: column; text-align: center; gap: 0.75rem; }
  .hook-score-value { font-size: 3rem; }
}