@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap');


:root {
  --column-max: 440px;
  --ink: #313a44;
  --ink-muted: #666;
  --ink-soft: #888;
  --surface-dark: #1a1c2e;
  --border-light: #ddd;
  --stanford: #8b5a45;
  --gates-grey: #6b6b6b;
  --font-sans: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink);
  line-height: 1.5;
}

.shell {
  max-width: var(--column-max);
  margin: 0 auto;
  min-height: 100vh;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04);
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-light);
  background: #fff;
}

.icon-btn {
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.brand {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
  text-align: center;
  flex: 1;
  padding: 0 0.5rem;
}

.brand img {
  max-width: 230px;
}

.brand:hover {
  opacity: 0.85;
}

.search-link {
  min-width: 44px;
  text-align: right;
  font-size: 0.975rem;
  font-weight: 400;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.search-link:hover {
  text-decoration: underline;
}

/* Breadcrumbs */
.crumbs {
  padding: 0.65rem 1rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
}

.crumbs a:hover {
  text-decoration: underline;
  color: var(--ink);
}

.crumbs__sep {
  margin: 0 0.35rem;
  color: var(--border-light);
}

.crumbs__current {
  color: var(--ink);
  font-weight: 700;
}

/* Article */
.article {
  padding: 0 1rem 1.5rem;
}

.headline {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.02em;
}

@media (min-width: 380px) {
  .headline {
    font-size: 1.35rem;
  }
}

.dateline {
  display: block;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

/* Video */
.video-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-height: 720px;
  padding: 2rem 1.25rem;
  background: var(--surface-dark);
  text-decoration: none;
  color: #fff;
  margin-bottom: 1.5rem;
}

.video-block:hover {
  filter: brightness(1.05);
}

.video-block__play {
  width: 64px;
  height: 64px;
  border: 2px solid #fff;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.video-block__play::after {
  content: "";
  position: absolute;
  left: 54%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent #fff;
}

.video-block__cta {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
}

/* Partners */
.partners {
  padding-bottom: 2rem;
}

.partners__label {
  margin: 0 0 0.85rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
}

.partners__row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.partners__name {
  font-family: var(--font-serif);
  font-size: 0.9rem;
}

.partners__name--gates {
  color: var(--gates-grey);
}

.partners__name--stanford {
  color: var(--stanford);
}

.partners__divider {
  width: 1px;
  height: 1.1rem;
  background: var(--border-light);
  flex-shrink: 0;
}

/* Footer */
.footer {
  padding: 2rem 1.25rem 1.75rem;
  background: var(--surface-dark);
  text-align: center;
}

.footer__brand {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #fff;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1.25rem;
}

.footer__nav a {
  font-size: 0.8125rem;
  color: #fff;
  text-decoration: none;
}

.footer__nav a:hover {
  text-decoration: underline;
}

.footer__copy {
  margin: 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
}