/* =====================================================================
   About pages — section layouts (Overview and siblings)
   ===================================================================== */

/* Overview top section holds the header + banner. It keeps the standard
   .section padding on all sides, like every other section. */
/* The Overview lead is a real introduction: wider measure, and align the
   title to its first line rather than centring it against a tall block. */
.ab-top .page-head { align-items: start; }
.ab-top .page-head__lead { max-width: 50ch; }
/* Lead + "Read our impact report" link share the right column, stacked */
.ab-top .page-head__aside { max-width: 50ch; }
.ab-top__cta { display: inline-block; margin-top: clamp(1.5rem, 3vw, 2.25rem); }

/* Section 3 : A different kind of investor. LIGHT band. Centered title +
   subtitle, then the patient-capital chart (dark ink on white). */

/* Centered title + subtitle (scoped to beat the base .ab-title margin) */
.ab-inv__head { text-align: center; }
.ab-who .ab-inv__title { margin: 0 auto; max-width: 22ch; }
.ab-inv__sub {
  margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
  max-width: 78ch;
  font-size: var(--fs-lg);
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Patient-capital exhibit: generous space above the chart */
.ab-inv__chart { margin: clamp(4.5rem, 8vw, 7rem) 0 0; }

/* On a phone the chart would shrink to ~327px, rendering its labels at 4 to 5
   pixels. Rather than resize the type inside the viewBox (which would make the
   labels collide with the curve), the exhibit keeps its proportions and scrolls
   sideways inside its own container. */
@media (max-width: 700px) {
  .ab-inv__chart {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .ab-inv__chart .ab-pc__svg { min-width: 820px; }
}
.ab-inv__chart-title {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 600;
  color: #fff;
}
/* ---------------------------------------------------------------------
   Patient-capital chart: growth of $1 compounding at venture's long-run
   net return, showing the multiple a fund clock leaves on the table.
   --------------------------------------------------------------------- */
.ab-pc__svg { display: block; width: 100%; height: auto; }

.ab-pc__grid { stroke: rgba(0, 0, 0, 0.10); stroke-width: 1; }
.ab-pc__baseline { stroke: rgba(0, 0, 0, 0.32); stroke-width: 1; }
.ab-pc__divider {
  stroke: rgba(0, 0, 0, 0.38);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.ab-pc__fill { fill: rgba(0, 0, 0, 0.04); }
.ab-pc__fill--patient { fill: rgba(0, 0, 0, 0.09); }

.ab-pc__curve {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.ab-pc__dot { fill: var(--color-ink); opacity: 0.7; }
.ab-pc__dot--strong { fill: var(--color-ink); opacity: 1; }

.ab-pc__axis {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  fill: var(--color-muted);
}
.ab-pc__axis-title,
.ab-pc__region {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  fill: var(--color-muted);
}
.ab-pc__region { fill: rgba(0, 0, 0, 0.7); }

.ab-pc__tag {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  fill: rgba(0, 0, 0, 0.8);
}
.ab-pc__tag--strong { font-size: 34px; fill: var(--color-ink); }
.ab-pc__note {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  fill: var(--color-muted);
}

.ab-inv__source {
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  max-width: 66.67%;
  font-size: var(--fs-xs);
  font-weight: 300;
  line-height: 1.55;
  color: var(--color-muted);
}
.ab-inv__source strong { font-weight: 600; color: var(--color-ink); }
@media (max-width: 760px) { .ab-inv__source { max-width: 100%; } }

.ab-who__grid {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}
.ab-who__media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #1a1a1a;   /* placeholder tone until the photo is set */
}
.ab-who__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Right column: several subtitle + paragraph blocks (who we are / what sets
   us apart). Display serif subtitle, light sans body. */
.ab-who__point + .ab-who__point { margin-top: clamp(2rem, 4vw, 3rem); }
.ab-who__pt-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.25rem, 1rem + 0.7vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #fff;
}
.ab-who__pt-text {
  margin: clamp(0.6rem, 1.5vw, 0.9rem) 0 0;
  font-size: var(--fs-base);   /* 17px, a touch finer like the reference */
  font-weight: 300;
  line-height: 1.65;
  color: #fff;
}

@media (max-width: 860px) {
  .ab-who__grid { grid-template-columns: 1fr; gap: clamp(2rem, 6vw, 3rem); }
}

/* Shared About section title + lead */
.ab-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.25rem, 1.3rem + 3vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.006em;
  color: var(--color-ink);
}
.ab-lead {
  margin: clamp(1.25rem, 2.5vw, 1.85rem) 0 0;
  max-width: 60ch;
  font-size: var(--fs-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Kicker air (86px) is now the global default (style.css) — Section 2 "Our
   objective" is our aeration reference, so every section inherits it. */

/* ---------------------------------------------------------------------
   Accordion, expandable rows: title + chevron on a
   hairline; click reveals a description; other rows dim. Our take: the
   chevron simply rotates on open (no rounded circle, no colour).
   --------------------------------------------------------------------- */
.acc {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--color-border-strong);
}
.acc__item { border-bottom: 1px solid var(--color-border-strong); }
.acc__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 0;
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.35rem, 0.9rem + 1.6vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  transition: color var(--transition);
}
.acc__head:hover,
.acc__head:focus-visible { color: var(--color-ink); }
/* When a row is open, dim the others */
.acc.has-open .acc__item:not(.is-open) .acc__head { color: var(--color-muted); }
.acc.has-open .acc__item:not(.is-open) .acc__head:hover,
.acc.has-open .acc__item:not(.is-open) .acc__head:focus-visible { color: var(--color-ink); }

/* Hover motion: the label steps in, the chevron nudges down (closed rows) */
.acc__head span { transition: transform var(--transition); }
.acc__head:hover span,
.acc__head:focus-visible span { transform: translateX(8px); }
.acc__item:not(.is-open) .acc__head:hover .acc__icon,
.acc__item:not(.is-open) .acc__head:focus-visible .acc__icon { transform: translateY(3px); }

.acc__icon {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  transition: transform var(--transition), color var(--transition);
}
.acc__item.is-open .acc__icon { transform: rotate(180deg); }

.acc__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 420ms cubic-bezier(0.22, 1, 0.36, 1);
}
.acc__panel-inner { padding: 0 0 clamp(1.6rem, 3vw, 2.4rem); max-width: 62ch; }
.acc__desc {
  margin: 0;
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-secondary);
}
@media (prefers-reduced-motion: reduce) {
  .acc__panel { transition: none; }
  .acc__icon { transition: color var(--transition); }
  .acc__head:hover span,
  .acc__head:focus-visible span,
  .acc__item:not(.is-open) .acc__head:hover .acc__icon { transform: none; }
}

/* ---------------------------------------------------------------------
   Section 3 — How we help founders: DARK band. The accordion inverts to
   white text on black, with light hairlines. No colour on hover: the cue
   is the motion (label steps in, chevron nudges). Open rows stay white,
   others dim while one is open.
   --------------------------------------------------------------------- */
.ab-what { background: var(--color-footer); color: #fff; }
.ab-what .kicker { color: #fff; }
.ab-what .ab-title { color: #fff; }
.ab-what .acc { border-top-color: #ffffff; }
.ab-what .acc__item { border-bottom-color: #ffffff; }
.ab-what .acc__head { color: #fff; }
.ab-what .acc__head:hover,
.ab-what .acc__head:focus-visible { color: #fff; }
.ab-what .acc.has-open .acc__item:not(.is-open) .acc__head { color: #ffffff; }
.ab-what .acc.has-open .acc__item:not(.is-open) .acc__head:hover,
.ab-what .acc.has-open .acc__item:not(.is-open) .acc__head:focus-visible { color: #fff; }
.ab-what .acc__item.is-open .acc__icon { color: #fff; }
.ab-what .acc__desc { color: #fff; }

/* ---------------------------------------------------------------------
   Section 4 : We weigh three variables. DARK band, three numbered
   variables, inverted).
   --------------------------------------------------------------------- */
.ab-vision { background: var(--color-footer); color: #fff; }
.ab-vision .kicker { color: #fff; }
.ab-vision .ab-title { color: #fff; }
.ab-vision .ab-var__num { color: #fff; }
.ab-vision .ab-var__title { color: #fff; }
.ab-vision .ab-var__text { color: #fff; }
.ab-vision__cta { margin-top: clamp(2.75rem, 5vw, 4.5rem); }

/* Three numbered variables */
.ab-vars {
  margin-top: clamp(3.5rem, 7vw, 6rem);       /* title -> columns: reference rhythm */
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2.5rem, 4.5vw, 5.5rem);
}
.ab-var__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(4rem, 2rem + 8vw, 9rem);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}
.ab-var__title {
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 1rem + 1vw, 1.8rem);
  line-height: 1.15;
  color: var(--color-ink);
}
.ab-var__text {
  margin: clamp(0.9rem, 2vw, 1.3rem) 0 0;
  font-size: 1.1875rem;   /* 19px, a touch larger */
  font-weight: 300;       /* lighter / finer, like the reference */
  line-height: 1.6;
  color: var(--color-text-secondary);
}

@media (max-width: 760px) {
  .ab-vars { grid-template-columns: 1fr; gap: clamp(2.5rem, 8vw, 3.5rem); }
}

/* ---------------------------------------------------------------------
   Section 4 — Our ambition: one hero figure (left) + two secondary (right)
   --------------------------------------------------------------------- */
.ab-metrics__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.ab-metrics__secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.ab-metric__label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.3;
  color: var(--color-text-secondary);
}
.ab-metric__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}
.ab-metric--hero .ab-metric__value {
  margin-top: clamp(2rem, 4vw, 3.5rem);
  font-size: clamp(3.5rem, 1.5rem + 7.5vw, 7.5rem);
}
.ab-metric--sec .ab-metric__value {
  margin-top: clamp(1.25rem, 2.5vw, 2rem);
  padding-bottom: clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--color-border-strong);
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
}
/* Footnote markers on touchable figures */
.fn {
  font-size: 0.6em;
  font-weight: 500;
  vertical-align: super;
  line-height: 0;
  margin-left: 0.15em;
}

/* Disclosures block: a general note + a numbered list, small print */
.ab-notes {
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  max-width: 90ch;
}
.ab-notes__general {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-text-secondary);
}
.ab-notes__general strong { font-weight: 600; color: var(--color-ink); }
.ab-notes__list {
  margin: clamp(1rem, 2vw, 1.4rem) 0 0;
  padding-left: 0;
  list-style: decimal;
  list-style-position: inside;
  display: grid;
  gap: 0.5rem;
}
.ab-notes__list li {
  font-size: var(--fs-xs);
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-muted);
}
.ab-notes__list li::marker { color: var(--color-muted); }

/* Closing landscape visual under the metrics note */
.ab-metrics__banner { margin-top: clamp(2.5rem, 5vw, 4.5rem); }

@media (max-width: 760px) {
  .ab-metrics__grid { grid-template-columns: 1fr; gap: clamp(2.5rem, 8vw, 3.5rem); }
}
@media (max-width: 460px) {
  .ab-metrics__secondary { grid-template-columns: 1fr; gap: clamp(1.75rem, 6vw, 2.5rem); }
}

/* =====================================================================
   Our Approach (approach.html)
   ===================================================================== */


/* Band alternation on this page: Risk (dark) - Return (white) - Impact (dark). */

/* Section 2 — Risk: DARK band. Copy + source on the left, chart on the right,
   the chart inverted to read on black. */
.ap-risk { background: var(--color-footer); color: #fff; }
/* Both dark bands (Risk and Impact) invert the split's type */
.ap-risk .ab-title,
.ap-risk .ap-split__text,
.ap-risk .ap-split__source,
.ap-risk .ap-split__disclaimer,
.ap-risk .ap-viz__title,
.ap-impact .ab-title,
.ap-impact .ap-split__text,
.ap-impact .ap-split__source,
.ap-impact .ap-viz__title { color: #fff; }
.ap-risk .ap-chart__axis { stroke: rgba(255, 255, 255, 0.35); }
.ap-risk .ap-chart__bar--strong { fill: #ffffff; }
.ap-risk .ap-chart__bar--soft { fill: rgba(255, 255, 255, 0.38); }
.ap-risk .ap-chart__val,
.ap-risk .ap-chart__cat { fill: #ffffff; }
.ap-risk .ap-chart__sub { fill: rgba(255, 255, 255, 0.72); }

/* Variable deep-dive (Risk / Return / Impact): big title, then a detailed
   paragraph (left, with source + disclaimer) and a chart (right).
   Split copy + chart layout. */
.ap-split {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.ap-split__text {
  margin: 0;
  font-size: var(--fs-lg);       /* 20px, a large lead paragraph */
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.ap-split__source {
  margin: clamp(1.75rem, 3.5vw, 2.5rem) 0 0;
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text-secondary);
}
.ap-split__disclaimer {
  margin: 0.6rem 0 0;
  font-size: var(--fs-xs);
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-muted);
}

/* Source + method note: sits below the whole split, left two thirds, small,
   fully developed (Overview style). Muted white on the dark band. */
.ap-split__note {
  margin: clamp(3.5rem, 7vw, 5.5rem) 0 0;
  max-width: 66.67%;
}
.ap-split__note-text {
  margin: 0;
  font-size: var(--fs-xs);
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.7);
}
.ap-split__note-text strong { font-weight: 600; color: #fff; }
.ap-split__cite {
  margin: 0.75rem 0 0;
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 760px) { .ap-split__note { max-width: 100%; } }

.ap-split__viz { margin: 0; }
.ap-viz__title {
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-ink);
}
.ap-chart { display: block; width: 100%; height: auto; }
.ap-chart__axis { stroke: var(--color-border-strong); }
.ap-chart__bar--strong { fill: var(--color-ink); }
.ap-chart__bar--soft { fill: #A8A8A1; }
.ap-chart__val { font-family: var(--font-display); font-size: 27px; font-weight: 400; fill: var(--color-ink); }
.ap-chart__cat { font-family: var(--font-sans); font-size: 14px; font-weight: 600; fill: var(--color-ink); }
.ap-chart__sub { font-family: var(--font-sans); font-size: 12px; font-weight: 400; fill: var(--color-muted); }

@media (max-width: 860px) {
  .ap-split { grid-template-columns: 1fr; gap: clamp(2.5rem, 7vw, 3.5rem); }
}

/* Section 3 — Return: WHITE band. Title + lead, then the two target figures. */
.ap-return__cols {
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 6vw, 6rem);
}
.ap-return__text {
  margin: 0;
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-secondary);
}
/* Two target figures: one large, one small, top-aligned like the Overview
   metrics (labels on a shared top line, values below). */
.ap-figs {
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: clamp(2.5rem, 6vw, 6rem);
}
.ap-fig__label {
  margin: 0 0 clamp(1rem, 2vw, 1.6rem);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.3;
  color: var(--color-text-secondary);
}
.ap-fig__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.ap-fig--big .ap-fig__value { font-size: clamp(3.5rem, 1.5rem + 7.5vw, 7.5rem); }
.ap-fig--small .ap-fig__value {
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
  padding-bottom: clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--color-border-strong);
}
/* Fine-print footnotes under the figures */
.ap-notes-dark {
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  padding-left: 0;
  max-width: 90ch;
  list-style: decimal;
  list-style-position: inside;
  display: grid;
  gap: 0.5rem;
}
.ap-notes-dark li {
  font-size: var(--fs-xs);
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-muted);
}
@media (max-width: 760px) {
  .ap-return__cols { grid-template-columns: 1fr; gap: clamp(2rem, 6vw, 2.75rem); }
}

/* Section 4 — Impact: DARK band. Principle over a landscape image, then a
   link out to the full framework. Closes the page against the black footer,
   so it carries a hairline to keep the two blocks readable as separate. */
.ap-impact { background: var(--color-footer); color: #fff; }
/* Intro: title on the left, the thesis (two paragraphs) on the right. */
.ap-impact__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.ap-impact__lead {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  max-width: 62ch;
  font-size: var(--fs-lg);
  font-weight: 300;
  line-height: 1.6;
  color: #fff;
}
.ap-impact__body .ap-impact__lead:first-child { margin-top: 0; }
/* Emphasis inside the narrative: bolder, still white. */
.ap-impact__lead strong { font-weight: 600; color: #fff; }

/* Same treatment as the Overview exhibit: below 700px the bar chart's stage
   labels would render at 7 to 9 pixels, so the figure holds its own width and
   scrolls sideways instead of shrinking. */
@media (max-width: 700px) {
  .ap-split__viz {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .ap-split__viz .ap-chart { min-width: 520px; }
}

/* Report promo: title + link on the left, the report cover on the right. */
.ap-report {
  margin-top: clamp(5rem, 9vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.ap-report__title {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 1.2rem + 2.2vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: #fff;
}
.ap-report__link { display: inline-block; margin-top: clamp(1.5rem, 3vw, 2.25rem); }

/* Cover "stage": a soft grey panel holding the report cover card. */
.ap-report__media {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(120% 120% at 50% 25%, #26272b 0%, #131417 72%);
  overflow: hidden;
}
/* The real cover, exported from page 1 of the deck. A4 proportions, standing
   on the dark stage with a drop shadow so it reads as a physical document. */
.ap-report__cover {
  display: block;
  width: clamp(150px, 21vw, 220px);
  height: auto;
  aspect-ratio: 1240 / 1754;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

@media (max-width: 760px) {
  .ap-impact__intro { grid-template-columns: 1fr; gap: clamp(1.75rem, 5vw, 2.5rem); }
  .ap-report { grid-template-columns: 1fr; gap: clamp(2rem, 6vw, 3rem); }
}