:root {
  --portal-nav-top: 72px;
  --panel-muted: #64675f;
}

.interior-title .explore-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  pointer-events: auto;
  margin-top: 18px;
  min-height: 44px;
  padding: 9px 20px;
  border-radius: 30px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0;
  transition: transform 200ms var(--ease);
}
.explore-link:hover { transform: translateY(-2px); }

.header-explore {
  font-size: 11px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.header-explore:hover { color: var(--ink); }

.portal {
  width: 100%;
  max-width: 1600px;
  margin-inline: auto;
  padding: 55px clamp(22px, 4.2vw, 68px) 0;
  scroll-margin-top: 108px;
  position: relative;
  z-index: 2;
  background: var(--paper);
}

.portal-intro {
  padding: 0 0 42px;
  border-bottom: 1px solid var(--line);
}
.portal-intro .eyebrow {
  margin: 0 0 13px;
  text-align: left;
}
.portal-intro h2 {
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 350;
  line-height: 1.05;
  letter-spacing: -0.065em;
  margin: 0 0 14px;
  max-width: 900px;
}
.portal-intro p:last-child {
  color: var(--panel-muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.portal-tabs {
  position: sticky;
  top: var(--portal-nav-top);
  z-index: 7;
  display: flex;
  gap: clamp(14px, 2.5vw, 38px);
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  overflow-x: auto;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.portal-tabs::-webkit-scrollbar { display: none; }

.portal button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.portal-tabs button {
  flex: 0 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  padding: 0 1px;
  border: 0;
  background: none;
  color: var(--panel-muted);
  font-size: 13px;
  white-space: nowrap;
}
.portal-tabs button[aria-selected="true"] {
  color: var(--ink);
  font-weight: 600;
}
.portal-tabs button::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transition: transform 240ms var(--ease);
}
.portal-tabs button[aria-selected="true"]::after {
  transform: scaleX(1);
}

.portal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 1fr);
  gap: clamp(22px, 4vw, 70px);
  align-items: start;
  padding: 28px 0 64px;
  min-height: 560px;
}

.portal-visual {
  position: sticky;
  top: 157px;
  min-width: 0;
  min-height: 400px;
  height: min(560px, calc(100svh - 178px));
  background: var(--paper);
  isolation: isolate;
  display: flex;
  flex-direction: column;
  padding-top: 8px;
}

.model-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 90%;
}
.metric-number {
  font-size: clamp(64px, 8vw, 112px);
  font-weight: 230;
  font-stretch: 78%;
  letter-spacing: -0.055em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-label {
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--panel-muted);
  line-height: 1.5;
}

.model-blurb {
  margin: 22px 0 0;
  max-width: 34rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.model-blurb__viewport {
  overflow: hidden;
  width: 100%;
}
.model-blurb__text {
  margin: 0;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: pre-line;
  transform: translateY(0);
  opacity: 1;
  transition: transform 420ms var(--ease), opacity 420ms var(--ease);
}
.model-blurb__text.is-exit {
  transform: translateY(-18px);
  opacity: 0;
}
.model-blurb__text.is-enter {
  transform: translateY(22px);
  opacity: 0;
  transition: none;
}
.model-blurb__more {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--panel-muted);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.model-blurb__more:hover {
  color: var(--ink);
}
.model-blurb__more:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.visual-bars {
  margin-top: auto;
  padding: 24px 0 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.visual-bar-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  gap: 12px;
  align-items: center;
  font-size: 11px;
}
.visual-bar-row span:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--panel-muted);
}
.visual-bar-track {
  height: 3px;
  background: #e3e5dc;
  border-radius: 2px;
  overflow: hidden;
}
.visual-bar-track i {
  display: block;
  height: 100%;
  background: var(--ink);
  transform-origin: left;
  transition: width 500ms var(--ease);
}

.model-caption {
  font-size: 10px;
  line-height: 1.5;
  color: var(--panel-muted);
  margin: 0;
}

.portal-panel {
  min-width: 0;
  position: relative;
  padding-bottom: 10px;
}
.panel-heading { margin-bottom: 26px; }
.section-kicker {
  font-size: 9px;
  color: var(--panel-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.5;
  margin: 0 0 12px;
}
.panel-heading h3 {
  font-size: clamp(29px, 3vw, 42px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 0;
  max-width: 380px;
}

.data-list {
  margin-block: 18px;
  border-top: 1px solid var(--line);
}
.data-row {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 10px;
  min-height: 51px;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 9px 5px;
  font-size: 12px;
}
.data-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  background: var(--ink);
  border-radius: 50%;
  opacity: 0.35;
}
.data-row[data-emphasis="true"] .data-dot { opacity: 1; }
.data-name {
  flex: 1;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.data-secondary {
  font-size: 10px;
  color: var(--panel-muted);
  font-variant-numeric: tabular-nums;
}
.data-row strong {
  font-size: 19px;
  font-weight: 450;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
  min-width: 4ch;
  text-align: right;
}

.portal-note {
  color: var(--panel-muted);
  font-size: 11px;
  line-height: 1.7;
  margin: 16px 0;
  max-width: 65ch;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 15px;
}
.portal-primary,
.portal-secondary {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  font-size: 12px;
  line-height: 1.4;
  border-radius: 5px;
  border: 1px solid var(--ink);
  margin-block: 8px;
  text-align: center;
}
.portal-primary {
  background: var(--ink);
  color: var(--paper);
}
.portal-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.site-footer {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 clamp(22px, 4.2vw, 68px) max(24px, env(safe-area-inset-bottom));
  background: var(--paper);
  position: relative;
  z-index: 2;
}
.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2fr);
  align-items: start;
  gap: 24px 64px;
  border-top: 1px solid var(--line);
  padding: 32px 0 24px;
}
.footer-tagline {
  max-width: 30ch;
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.3;
}
.footer-credit {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0 24px;
  margin-top: -8px;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 0;
  font-size: 12px;
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
}
.footer-links a:hover { text-decoration-color: currentColor; }
.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}
.footer-disclaimer { margin: 0; max-width: 70ch; }

@media (hover: hover) {
  .portal-primary:hover { background: #45483f; }
  .portal-secondary:hover { background: #eeefe8; }
  .data-row:hover { background: #f0f1eb; }
}

@media (max-width: 1100px) {
  .portal-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 1fr);
    gap: 24px;
  }
  .portal-tabs { gap: 24px; }
  .portal-tabs button { font-size: 12px; }
}

@media (max-width: 760px) {
  .portal {
    padding: 24px 22px 0;
    scroll-margin-top: 105px;
  }
  .portal-intro { padding-bottom: 28px; }
  .portal-intro h2 {
    font-size: 40px;
    max-width: 330px;
    line-height: 1.02;
  }
  .portal-tabs {
    gap: 24px;
    min-height: 54px;
    margin-inline: -22px;
    padding-inline: 22px;
  }
  .portal-tabs button { min-height: 54px; }
  .portal-layout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 0;
    padding-bottom: 35px;
  }
  .portal-visual {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
    width: calc(100% + 44px);
    margin-inline: -22px;
    padding: 12px 22px 20px;
    border-bottom: 1px solid var(--line);
  }
  .metric-number { font-size: clamp(48px, 14vw, 72px); }
  .visual-bars { padding: 16px 0 8px; }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 26px 0 20px;
  }
  .footer-links {
    justify-content: flex-start;
    margin-top: 0;
  }
  .site-footer { padding-inline: 22px; }
}