/* Product feature tour: one workspace, followed by open capability rows.
   Load after presentation.css. Content determines each section's height. */
main > :is(#features, #capabilities).section {
  height: auto;
  min-height: 0;
  padding-block: 96px;
  scroll-margin-top: 112px;
}
main > :is(#features, #capabilities).section > .wrap {
  display: block;
  height: auto;
  min-height: 0;
}
#features { background: #090b10; }
#capabilities { background: #0e121a; }
.feature-tour-heading, .capability-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: 32px 48px;
  margin-bottom: 48px;
}
.feature-tour-heading h2, .capability-heading h2 {
  max-width: 22ch;
  font-size: clamp(38px, 3.5vw, 48px);
  line-height: 1.12;
  letter-spacing: -.035em;
}
.feature-tour-heading > p, .capability-heading > p {
  max-width: 45ch;
  margin: 4px 0 0;
  color: #a8afbb;
  font-size: 18px;
  line-height: 1.65;
}
.feature-workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  align-items: start;
  gap: 48px;
  min-width: 0;
}
.feature-selector { display: grid; min-width: 0; }
.feature-option {
  position: relative;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-content: start;
  gap: 6px 16px;
  width: 100%;
  min-height: 112px;
  padding: 24px 20px 24px 16px;
  border: 0;
  border-top: 1px solid #ffffff1c;
  border-radius: 0;
  background: transparent;
  color: #a8afbb;
  text-align: left;
  font-family: var(--font-text);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}
.feature-option:last-child { border-bottom: 1px solid #ffffff1c; }
.feature-option::before {
  content: '';
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 0;
  width: 2px;
  background: #f5b83d;
  opacity: 0;
  transition: opacity 160ms ease;
}
.feature-option-number {
  grid-column: 1;
  grid-row: 1 / 3;
  padding-top: 4px;
  color: #7f8b9b;
  font: 400 12px/1.6 var(--font-mono);
}
.feature-option > strong {
  grid-column: 2;
  color: #dfe2e7;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -.02em;
}
.feature-option > small {
  grid-column: 2;
  max-width: 27ch;
  color: inherit;
  font-size: 14px;
  line-height: 1.55;
}
.feature-option[aria-pressed="true"] { background: #f5b83d08; color: #c6cbd4; }
.feature-option[aria-pressed="true"]::before { opacity: 1; }
.feature-option[aria-pressed="true"] > strong { color: #f7f6f2; }
.feature-option[aria-pressed="true"] .feature-option-number { color: #f5b83d; }
.feature-option:focus-visible { z-index: 1; outline: 2px solid #f5b83d; outline-offset: 4px; }
.feature-option:active { background: #ffffff0c; }
@media (hover: hover) and (pointer: fine) {
  .feature-option:hover { color: #dfe2e7; background: #ffffff06; }
  .feature-option[aria-pressed="true"]:hover { background: #f5b83d10; }
}

.feature-output {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 540px;
  border: 1px solid #ffffff1c;
  border-radius: 12px;
  background: #11151d;
  color: #f7f6f2;
  overflow: hidden;
}
.feature-output-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  min-height: 56px;
  padding: 16px 28px;
  border-bottom: 1px solid #ffffff12;
  font-size: 13px;
  line-height: 1.5;
}
.feature-output-bar > :first-child { display: inline-flex; align-items: center; gap: 8px; }
.feature-output-bar img { width: 22px; height: 22px; flex: none; }
.feature-output-bar > code { color: #8d98a8; font: 400 11px/1.5 var(--font-mono); }
.feature-output-context { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 24px 32px 0; }
.feature-output-context > :is(code, span) {
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid #ffffff16;
  border-radius: 4px;
  color: #a8afbb;
  font: 400 11px/1.5 var(--font-mono);
  overflow-wrap: anywhere;
}
.feature-output-prompt { padding: 24px 32px 0; }
.feature-output-prompt > :is(small, span, p) {
  display: block;
  color: #8d98a8;
  font: 400 11px/1.5 var(--font-mono);
}
.feature-output-prompt h3 { margin-top: 10px; max-width: 38ch; font-size: 26px; line-height: 1.3; font-weight: 400; letter-spacing: -.025em; }
.feature-output-body { min-width: 0; padding: 24px 32px 0; }
.feature-output-body > p { max-width: 62ch; color: #dfe2e7; font-size: 16px; line-height: 1.65; }
.feature-output-points { display: grid; gap: 16px; margin: 22px 0 0; padding: 0; list-style: none; counter-reset: feature-point; }
.feature-output-points > li { position: relative; min-width: 0; padding-left: 28px; counter-increment: feature-point; }
.feature-output-points > li::before { content: counter(feature-point, decimal-leading-zero); position: absolute; top: 3px; left: 0; color: #8d98a8; font: 400 11px/1.6 var(--font-mono); }
.feature-output-points strong { display: block; color: #f7f6f2; font-size: 16px; line-height: 1.5; font-weight: 500; }
.feature-output-points span { display: block; margin-top: 3px; color: #a8afbb; font-size: 15px; line-height: 1.6; }
.feature-output-points code { color: #d3bd8f; font-size: .9em; overflow-wrap: anywhere; }
.feature-output-sources { display: flex; flex-wrap: wrap; gap: 8px; padding: 24px 32px; }
.feature-output-sources code { max-width: 100%; color: #d3bd8f; font: 400 11px/1.6 var(--font-mono); overflow-wrap: anywhere; }
.feature-output-sources code + code::before { content: '·'; display: inline-block; margin-right: 8px; color: #657184; }
.feature-output-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: auto;
  padding: 8px 32px;
  border-top: 1px solid #ffffff12;
  background: #0e1219;
  color: #8d98a8;
  font-size: 12px;
  line-height: 1.5;
}
.feature-output-footer a { display: inline-flex; align-items: center; min-height: 44px; color: #f7f6f2; font-size: 13px; }

.capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 64px; }
.capability-item { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 28px 0 24px; border-top: 1px solid #ffffff1c; }
.capability-kicker { margin-bottom: 18px; color: #8d98a8; font: 400 11px/1.5 var(--font-mono); letter-spacing: .06em; }
.capability-item h3 { max-width: 30ch; color: #f7f6f2; font-size: 24px; font-weight: 400; line-height: 1.3; letter-spacing: -.025em; }
.capability-item > p:not(.capability-kicker) { max-width: 52ch; margin-top: 12px; color: #a8afbb; font-size: 16px; line-height: 1.65; }
.capability-detail { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; max-width: 100%; margin-top: auto; padding-top: 24px; color: #d3bd8f; font: 400 12px/1.6 var(--font-mono); overflow-wrap: anywhere; }
.capability-detail > :is(code, span) { max-width: 100%; padding: 5px 9px; border: 1px solid #ffffff16; border-radius: 4px; background: #11151d; font: inherit; overflow-wrap: anywhere; }
.capability-detail > [aria-hidden="true"] { padding-inline: 0; border: 0; background: none; color: #657184; }
.capability-detail kbd { padding: 3px 5px; border: 1px solid #ffffff20; border-radius: 3px; color: #dfe2e7; font: inherit; }

@media (min-width: 1024px) and (max-width: 1199px) {
  .feature-workspace { grid-template-columns: 240px minmax(0, 1fr); gap: 32px; }
  .feature-option { padding-right: 16px; gap: 6px 12px; }
  .feature-option > strong { font-size: 21px; }
  .capability-list { gap: 16px 48px; }
}
@media (max-width: 1023px) {
  main > :is(#features, #capabilities).section { padding-block: 80px; }
  .feature-tour-heading, .capability-heading { gap: 24px 32px; margin-bottom: 36px; }
  .feature-tour-heading h2, .capability-heading h2 { font-size: 38px; }
  .feature-tour-heading > p, .capability-heading > p { font-size: 16px; }
  .feature-workspace { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .feature-selector { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .feature-option { grid-template-columns: minmax(0, 1fr); min-height: 144px; padding: 18px 0 18px 12px; gap: 6px; border-bottom: 1px solid #ffffff1c; }
  .feature-option-number { grid-column: 1; grid-row: auto; padding-top: 0; }
  .feature-option > strong, .feature-option > small { grid-column: 1; }
  .feature-option > strong { font-size: 20px; }
  .feature-option::before { top: 18px; bottom: 18px; }
  .feature-output { min-height: 540px; }
  .capability-list { gap: 12px 32px; }
  .capability-item h3 { font-size: 23px; }
}
@media (max-width: 639px) {
  main > :is(#features, #capabilities).section { padding-block: 64px; scroll-margin-top: 96px; }
  .feature-tour-heading, .capability-heading { grid-template-columns: minmax(0, 1fr); gap: 18px; margin-bottom: 32px; }
  .feature-tour-heading h2, .capability-heading h2 { max-width: 22ch; font-size: 34px; }
  .feature-tour-heading > p, .capability-heading > p { margin-top: 0; font-size: 16px; }
  .feature-selector { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .feature-option { grid-template-columns: 24px minmax(0, 1fr); gap: 4px 12px; min-height: 96px; padding: 18px 16px; border-bottom: 0; }
  .feature-option-number { grid-column: 1; grid-row: 1 / 3; padding-top: 3px; }
  .feature-option > strong, .feature-option > small { grid-column: 2; }
  .feature-option > small { max-width: none; }
  .feature-output { min-height: 0; border-radius: 10px; }
  .feature-output-bar { padding: 14px 20px; }
  .feature-output-context { padding: 20px 20px 0; }
  .feature-output-prompt { padding: 22px 20px 0; }
  .feature-output-prompt h3 { font-size: 23px; }
  .feature-output-body { padding: 22px 20px 0; }
  .feature-output-points { gap: 20px; }
  .feature-output-points > li { padding-left: 25px; }
  .feature-output-points span { font-size: 16px; }
  .feature-output-sources { padding: 24px 20px; }
  .feature-output-footer { align-items: flex-start; flex-direction: column; gap: 0; padding: 16px 20px 8px; }
  .capability-list { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .capability-item { padding: 24px 0 28px; }
  .capability-kicker { margin-bottom: 14px; }
  .capability-item h3 { font-size: 23px; }
  .capability-detail { padding-top: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .feature-option, .feature-option::before { transition: none; }
}