:root {
  --paper: #f5f1e9;
  --stone: #d8d0c2;
  --ink: #171717;
  --muted: #67635c;
  --carbon: #242424;
  --teal: #315f63;
  --copper: #a7643c;
  --line: rgba(23, 23, 23, 0.16);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; }

.page-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 100;
  width: 0;
  height: 3px;
  background: var(--copper);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 52px);
  background: rgba(245, 241, 233, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0;
}

.brand span {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  border: 1px solid var(--ink);
  font-family: Georgia, serif;
}

.brand strong { font-weight: 650; }

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(10px, 2vw, 28px);
  color: var(--muted);
  font-size: 13px;
}

.nav a {
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(28px, 6vw, 88px);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 7vw, 94px) clamp(18px, 4vw, 34px);
  overflow: hidden;
}

.hero-copy,
.hero-media {
  min-width: 0;
}

.hero h1,
.section-heading h2,
.policy-copy h2,
.principle-intro h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 0.98;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(58px, 12vw, 150px);
}

.hero h1 span {
  display: block;
}

.lede {
  max-width: 690px;
  margin: 28px 0 0;
  color: var(--carbon);
  font-size: clamp(20px, 2.4vw, 32px);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 14px;
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
}

.hero-media {
  position: relative;
  margin: 0;
}

.hero-media img {
  width: 100%;
  min-height: 470px;
  object-fit: cover;
  filter: grayscale(12%) contrast(0.96);
}

.hero-media figcaption {
  max-width: 320px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.bridge-line {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 54px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal), var(--copper), transparent);
  transform-origin: left center;
  opacity: 0.5;
}

.section-pad {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(18px, 4vw, 34px);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(28px, 5.5vw, 72px);
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.statement {
  margin: 0;
  font-family: Georgia, serif;
  font-size: clamp(32px, 3.8vw, 48px);
  line-height: 1.12;
  max-width: 16em;
}

.intro-text {
  color: var(--carbon);
  font-size: 18px;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 42px;
}

.section-heading h2,
.policy-copy h2,
.principle-intro h2 {
  font-size: clamp(36px, 5.4vw, 74px);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.role-grid::after {
  content: "";
  display: block;
  min-height: 285px;
  background: #fbf8f0;
}

.role-card {
  min-height: 285px;
  padding: 26px;
  background: #fbf8f0;
}

.role-card img {
  width: 132px;
  height: 54px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 34px;
  mix-blend-mode: multiply;
}

.role-card img.logo-wide {
  width: 198px;
  max-width: 100%;
  height: 62px;
}

.role-card img.logo-cfr {
  width: 214px;
}

.role-card img.logo-mckinsey {
  width: 188px;
}

.role-card img.logo-schwarzman {
  width: 204px;
  max-width: 100%;
  height: 68px;
  padding: 8px 12px;
  background: #151b30;
  mix-blend-mode: normal;
  box-sizing: border-box;
}

.role-card h3,
.timeline h3,
.video-card h3,
.book h3,
.principle-grid h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.15;
}

.role-card p,
.timeline p,
.principle-grid p,
.video-card p,
.site-footer p {
  margin: 0;
  color: var(--muted);
}

.career {
  border-top: 1px solid var(--line);
}

.bio {
  border-top: 1px solid var(--line);
}

.bio-page {
  max-width: 850px;
  margin-left: auto;
  padding: clamp(26px, 4vw, 42px);
  background: #fbf8f0;
  border: 1px solid var(--line);
}

.bio-page p {
  margin: 0;
  color: var(--carbon);
  font-size: 18px;
}

.bio-page p + p {
  margin-top: 18px;
}

.timeline {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item span {
  color: var(--copper);
  font-weight: 760;
}

.policy {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: clamp(28px, 6vw, 84px);
  align-items: center;
}

.policy-image {
  margin: 0;
}

.policy-image img {
  aspect-ratio: 4 / 5;
  width: 100%;
  object-fit: cover;
}

.policy-copy p:not(.eyebrow) {
  color: var(--carbon);
  font-size: 18px;
}

.institution-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.institution-strip img {
  max-width: 132px;
  max-height: 56px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.principles {
  border-block: 1px solid var(--line);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
  border: 1px solid var(--line);
}

.principle-grid article {
  min-height: 180px;
  padding: 28px;
  background: var(--paper);
}

.giving {
  border-bottom: 1px solid var(--line);
}

.giving-panel {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  padding: clamp(28px, 5vw, 48px);
  background: #fbf8f0;
  border: 1px solid var(--line);
}

.giving-panel img {
  max-width: 160px;
  mix-blend-mode: multiply;
}

.giving-panel h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.giving-panel p {
  margin: 0;
  color: var(--carbon);
  font-size: 18px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.video-card {
  display: grid;
  gap: 16px;
}

.video-card.featured {
  grid-column: span 4;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.video-button {
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.video-button img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.9);
}

.video-button span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: grid;
  place-items: center;
  width: 66px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(245, 241, 233, 0.92);
  color: var(--ink);
  font-size: 13px;
  font-weight: 780;
}

.video-card a {
  display: inline-block;
  margin-top: 16px;
  color: var(--teal);
  font-weight: 700;
}

.book-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.book img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: var(--stone);
}

.book h3 {
  margin-top: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 48px clamp(18px, 4vw, 52px);
  background: var(--ink);
  color: var(--paper);
}

.site-footer h2 {
  margin: 0 0 8px;
  font-family: Georgia, serif;
  font-weight: 500;
}

.site-footer p {
  max-width: 620px;
  color: rgba(245, 241, 233, 0.72);
}

.site-footer a {
  color: var(--paper);
}

.video-modal {
  width: min(980px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  background: #0b0b0b;
}

.video-modal::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

.video-modal iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.close-modal {
  display: block;
  margin-left: auto;
  padding: 12px 14px;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 920px) {
  .hero,
  .intro-grid,
  .section-heading,
  .policy,
  .video-card.featured {
    grid-template-columns: 1fr;
  }

  .role-grid,
  .principle-grid,
  .video-grid,
  .book-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .role-grid::after { display: none; }
  .video-card.featured { grid-column: span 2; }
  .hero-media img { min-height: 360px; }
  .statement {
    max-width: 16em;
    font-size: clamp(34px, 7vw, 50px);
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .role-grid,
  .principle-grid,
  .giving-panel,
  .video-grid,
  .book-row,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .video-card.featured { grid-column: span 1; }
  .hero { padding-top: 84px; }
  .hero h1 { font-size: 52px; }
  .hero-copy,
  .hero-media {
    width: min(350px, 100%);
    max-width: 350px;
  }
  .hero-copy *,
  .hero-media * {
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
  }
  .lede { font-size: 20px; }
  .statement {
    max-width: 100%;
    font-size: 36px;
    line-height: 1.12;
  }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}
