/* Tanaw /extension - pre-install product demo built around verified product media. */
.extension-route { background: var(--bg); }
.extension-route main { overflow: clip; }
.extension-route h1,
.extension-route h2,
.extension-route h3 { font-family: "Space Grotesk", Inter, system-ui, sans-serif; }
.extension-route .section-heading { max-width: 48rem; }
.extension-route .section-heading h2 {
  margin: .35rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.02;
  letter-spacing: -.035em;
}
.extension-route .section-heading p { color: var(--muted); }
.extension-route .site-nav a[aria-current="page"] { color: var(--text); position: relative; }
.extension-route .site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -.55rem;
  height: 1px; background: var(--accent);
}

.extension-hero { padding-top: clamp(3rem, 6vw, 6.5rem); }
.extension-hero-grid {
  display: grid;
  grid-template-columns: minmax(19rem, .78fr) minmax(34rem, 1.22fr);
  gap: clamp(3rem, 6vw, 6.5rem);
  align-items: center;
}
.extension-hero-copy h1 {  max-width: 10ch;
  margin: .45rem 0 1.25rem;
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.045em;
}
.extension-hero-lead {
  max-width: 60ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
}
.extension-hero-frame {
  margin: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #050d16;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.extension-hero-frame picture { display: block; }
.extension-hero-frame img { display: block; width: 100%; height: auto; }
.extension-hero-frame figcaption {
  border-top: 1px solid var(--border);
  padding: .85rem 1rem;
  color: var(--subtle);
  font-size: .82rem;
}
.extension-media-fallback {
  display: none;
  min-height: 24rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  place-content: center;
  background: linear-gradient(90deg, rgba(22,217,210,.035), transparent 50%);
  color: var(--muted);
}
.extension-media-fallback strong {
  color: var(--text);
  font-size: 1.35rem;
}
.extension-hero-frame.media-failed [data-extension-media] { display: none; }
.extension-hero-frame.media-failed .extension-media-fallback { display: grid; }

.extension-explorer { padding-top: clamp(4.5rem, 8vw, 8rem); }
.extension-explorer-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.extension-explorer-heading h2 {
  max-width: 16ch;
  margin: .35rem 0 .85rem;
  font-size: clamp(2.3rem, 4.7vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.04em;
}
.extension-explorer-heading > div > p:last-child { max-width: 62ch; color: var(--muted); }
.extension-explorer-proof {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.extension-explorer-proof span {
  padding: .45rem .65rem;
  border: 1px solid var(--border);
  color: var(--subtle);
  font: 600 .68rem/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.extension-demo {  display: grid;
  grid-template-columns: minmax(14rem, .42fr) minmax(0, 1.58fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-block: 1px solid var(--border-strong);
}
.demo-nav-label {
  margin: 0 0 .85rem;
  color: var(--accent);
  font: 700 .69rem/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.extension-demo-nav { display: grid; }
.extension-demo-nav a {
  display: grid;
  grid-template-columns: 2.35rem minmax(0, 1fr);
  gap: .7rem;
  align-items: center;
  min-height: 2.7rem;
  padding: .45rem .35rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
}
.extension-demo-nav a:last-child { border-bottom: 1px solid var(--border); }
.extension-demo-nav a span { color: var(--subtle); font: 600 .66rem/1 var(--mono); }
.extension-demo-nav a:hover,
.extension-demo-nav a[aria-current="true"] { color: var(--text); }
.extension-demo-nav a[aria-current="true"] {
  box-shadow: inset 2px 0 0 var(--accent);
  background: linear-gradient(90deg, rgba(22,217,210,.08), transparent 70%);
}
.extension-demo-nav a[aria-current="true"] span { color: var(--accent); }
.demo-nav-hint { display: none; margin: .7rem 0 0; color: var(--subtle); font-size: .78rem; }

.extension-demo-panels { min-width: 0; }
.demo-panel {
  min-height: 25rem;
  padding: clamp(1rem, 2vw, 1.5rem) 0;
  align-content: center;
}
.demo-panel + .demo-panel { border-top: 1px solid var(--border); }
.extension-demo[data-enhanced="true"] .demo-panel { display: none; }
.extension-demo[data-enhanced="true"] .demo-panel[data-active="true"] {
  display: grid;
  animation: extension-panel-in 180ms var(--ease) both;
}
.demo-panel-index {
  margin: 0 0 1rem;
  color: var(--accent);
  font: 700 .7rem/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.demo-panel h3 {
  max-width: 18ch;
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 4.4vw, 4.5rem);
  line-height: .99;
  letter-spacing: -.04em;
}
.demo-panel > p:not(.demo-panel-index) {
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.15rem);
}
.demo-panel dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 48rem;
  margin: 2rem 0 0;
  border: 1px solid var(--border);
  background: var(--border);
}
.demo-panel dl div { padding: 1rem; background: var(--surface); }
.demo-panel dt {
  margin-bottom: .3rem;
  color: var(--subtle);
  font: 600 .67rem/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.demo-panel dd { margin: 0; color: var(--text); }
@keyframes extension-panel-in { from { opacity: .45; transform: translateY(5px); } to { opacity: 1; transform: none; } }

.extension-questions { padding-top: clamp(4.5rem, 8vw, 8rem); }
.extension-questions-layout {  display: grid;
  grid-template-columns: minmax(17rem, .64fr) minmax(0, 1.36fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.extension-question-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
}
.extension-question-ledger article {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: .8rem;
  min-height: 8.4rem;
  padding: 1.25rem 1rem 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.extension-question-ledger article:nth-child(odd) { padding-right: 1.5rem; }
.extension-question-ledger article:nth-child(even) { padding-left: 1.5rem; border-left: 1px solid var(--border); }
.extension-question-ledger article > span { color: var(--accent); font: 700 .68rem/1.3 var(--mono); }
.extension-question-ledger h3 { margin: 0 0 .55rem; font-size: 1.25rem; line-height: 1.15; }
.extension-question-ledger p { margin: 0; color: var(--muted); font-size: .88rem; }
.extension-question-ledger small { display: block; margin-top: .5rem; color: var(--accent); font: 700 .68rem/1.35 var(--mono); letter-spacing: .02em; }

.extension-evidence { padding-block: clamp(4.5rem, 8vw, 8rem); }
.extension-evidence-layout {
  display: grid;
  grid-template-columns: minmax(17rem, .64fr) minmax(0, 1.36fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.extension-evidence-register {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--border-strong);
}
.extension-evidence-register div { padding: 1.35rem 1.25rem; border-left: 1px solid var(--border); }
.extension-evidence-register div:first-child { border-left: 0; padding-left: 0; }
.extension-evidence-register div:last-child { padding-right: 0; }
.extension-evidence-register span { color: var(--accent); font: 700 .68rem/1.3 var(--mono); }
.extension-evidence-register strong { display: block; margin: .65rem 0; font-size: 1.05rem; }
.extension-evidence-register p { margin: 0; color: var(--muted); font-size: .9rem; }
.extension-method-link { grid-column: 2; justify-self: start; }

.extension-trust { padding-top: clamp(4.5rem, 8vw, 7rem); }
.extension-trust-heading {  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: 2rem;
}
.extension-trust-heading h2 {
  grid-column: 2;
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -.035em;
}
.extension-trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--border-strong);
}
.extension-trust-strip article {
  min-height: 9rem;
  padding: 1.3rem;
  border-left: 1px solid var(--border);
}
.extension-trust-strip article:first-child { border-left: 0; padding-left: 0; }
.extension-trust-strip article:last-child { padding-right: 0; }
.extension-trust-strip span {
  display: block;
  margin-bottom: .8rem;
  color: var(--accent);
  font: 700 .67rem/1.3 var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.extension-trust-strip strong { font-size: .98rem; line-height: 1.4; }
.extension-trust-links { display: flex; gap: 1.2rem; flex-wrap: wrap; margin-top: 1.2rem; }
.extension-trust-links a { color: var(--muted); }
.extension-trust-links a:hover { color: var(--text); }
.extension-final-cta { padding-top: clamp(4rem, 7vw, 7rem); }


.extension-captures { padding-top: clamp(4.5rem, 8vw, 8rem); }
.extension-captures-heading {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem;
  align-items: end; margin-bottom: clamp(2rem, 4vw, 3rem);
}
.extension-capture-grid {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px;
  border-block: 1px solid var(--border-strong); background: var(--border);
}
.extension-capture-grid figure { grid-column: span 2; margin: 0; min-width: 0; background: var(--bg); }
.extension-capture-grid figure:nth-child(n+4) { grid-column: span 3; }
.extension-capture-grid img { display: block; width: 100%; height: auto; }
.extension-capture-grid figcaption { display: grid; gap: .35rem; padding: 1rem 1.1rem 1.1rem; border-top: 1px solid var(--border); }
.extension-capture-grid figcaption span { color: var(--accent); font: 700 .68rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.extension-capture-grid figcaption strong { font-size: 1rem; line-height: 1.35; }
.extension-captures-note { max-width: 76ch; margin: 1rem 0 0; color: var(--subtle); font-size: .82rem; }
.extension-captures code { font-family: var(--mono); color: var(--text); }

@media (max-width: 1199px) {
  .extension-hero-grid { grid-template-columns: minmax(17rem, .82fr) minmax(28rem, 1.18fr); gap: 3rem; }
  .extension-demo { grid-template-columns: minmax(13rem, .46fr) minmax(0, 1.54fr); gap: 3rem; }
}

@media (max-width: 899px) {
  .extension-hero-grid,
  .extension-questions-layout,
  .extension-evidence-layout { grid-template-columns: 1fr; }
  .extension-hero-grid { gap: 2.5rem; }
  .extension-hero-copy h1 { max-width: 12ch; }
  .extension-hero-frame { max-width: 48rem; }
  .extension-explorer-heading { grid-template-columns: 1fr; align-items: start; }
  .extension-explorer-proof { justify-content: flex-start; }
  .extension-demo { grid-template-columns: 1fr; gap: 2rem; }
  .extension-demo-nav { grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--border); }
  .extension-demo-nav a { grid-template-columns: 1fr; gap: .25rem; min-height: 4rem; border: 0; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: .65rem; }
  .extension-demo-nav a:last-child { border-bottom: 1px solid var(--border); }
  .extension-demo-nav a[aria-current="true"] { box-shadow: inset 0 2px 0 var(--accent); }
  .demo-panel { min-height: 21rem; }
  .extension-evidence-layout { gap: 2rem; }
  .extension-method-link { grid-column: auto; }
  .extension-trust-heading { grid-template-columns: 1fr; gap: .7rem; }
  .extension-trust-heading h2 { grid-column: auto; }
  .extension-trust-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .extension-trust-strip article:nth-child(3) { border-left: 0; }
  .extension-trust-strip article { border-bottom: 1px solid var(--border); }
  .extension-trust-strip article:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 679px) {
  .extension-explorer-proof span { font-size: .64rem; }
  .extension-demo { padding-top: 1.5rem; }
  .extension-demo-nav-wrap { min-width: 0; }
  .extension-demo-nav {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    border-top: 1px solid var(--border);
  }
  .extension-demo-nav a {
    flex: 0 0 8.25rem;
    scroll-snap-align: start;
    border-right: 1px solid var(--border);
  }
  .demo-nav-hint { display: block; }
  .demo-panel { min-height: 0; padding-block: 1.5rem; }
  .demo-panel h3 { font-size: clamp(2rem, 10vw, 3rem); }
  .demo-panel dl { grid-template-columns: 1fr; }
  .extension-question-ledger { grid-template-columns: 1fr; }
  .extension-question-ledger article,
  .extension-question-ledger article:nth-child(odd),
  .extension-question-ledger article:nth-child(even) {
    min-height: 0;
    padding: 1.15rem 0;
    border-left: 0;
  }
  .extension-evidence-register { grid-template-columns: 1fr; }
  .extension-evidence-register div,
  .extension-evidence-register div:first-child,
  .extension-evidence-register div:last-child { padding: 1.2rem 0; border-left: 0; border-bottom: 1px solid var(--border); }
  .extension-evidence-register div:last-child { border-bottom: 0; }
  .extension-trust-strip { grid-template-columns: 1fr; }
  .extension-trust-strip article,
  .extension-trust-strip article:first-child,
  .extension-trust-strip article:last-child {
    min-height: 0; padding: 1.15rem 0; border-left: 0; border-bottom: 1px solid var(--border);
  }
  .extension-trust-strip article:last-child { border-bottom: 0; }
}

@media (max-width: 429px) {
  .extension-hero-copy h1 { font-size: clamp(2.65rem, 13vw, 3.55rem); }
  .extension-hero-frame figcaption { font-size: .78rem; }
  .extension-explorer-heading h2 { font-size: clamp(2.25rem, 11vw, 3.15rem); }
}

@media (max-width: 899px) and (max-height: 520px) and (min-aspect-ratio: 4/3) {
  .extension-hero { padding-top: 2rem; }
  .extension-hero-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 1.6rem; align-items: start; }
  .extension-hero-copy h1 { margin-bottom: .8rem; font-size: clamp(2.15rem, 6.4vw, 3.25rem); }
  .extension-hero-lead { font-size: .88rem; line-height: 1.5; }
  .extension-hero .hero-actions { gap: .55rem; }
  .extension-hero .button { min-height: 40px; padding: .65rem .85rem; }
  .extension-hero .store-note { font-size: .72rem; }
  .extension-hero-frame figcaption { padding: .55rem .7rem; font-size: .72rem; }
}


@media (max-width: 899px) {
  .extension-captures-heading { grid-template-columns: 1fr; align-items: start; }
  .extension-captures-heading .extension-explorer-proof { justify-content: flex-start; }
}
@media (max-width: 899px) {
  .extension-capture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .extension-capture-grid figure,
  .extension-capture-grid figure:nth-child(n+4) { grid-column: auto; }
  .extension-capture-grid figure:last-child { grid-column: 1 / -1; }
}
@media (max-width: 679px) {
  .extension-capture-grid { grid-template-columns: 1fr; }
  .extension-capture-grid figure:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .extension-demo[data-enhanced="true"] .demo-panel[data-active="true"] { animation: none; }
}

@media (forced-colors: active) {
  .extension-demo-nav a[aria-current="true"] { outline: 2px solid Highlight; outline-offset: -2px; }
}