:root {
  --mit-red: #750014;
  --mit-dark-red: #4d000d;
  --ink: #1f2328;
  --muted: #5d646b;
  --line: #d8dde2;
  --paper: #ffffff;
  --soft: #f4f5f6;
  --charcoal: #20252b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--mit-red);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
}

.brand:hover {
  text-decoration: none;
}

.brand-text {
  font-size: 17px;
}

.mit-logo-link {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  padding: 10px 0 10px 48px;
}

.mit-logo-link:hover {
  text-decoration: none;
}

.mit-logo-link img {
  display: block;
  width: auto;
  height: 34px;
}

.nav {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  color: var(--charcoal);
}

.hero {
  min-height: 58vh;
  display: grid;
  align-items: center;
  padding: 56px clamp(20px, 6vw, 80px);
  color: #fff;
  background:
    linear-gradient(115deg, rgba(32, 37, 43, 0.96), rgba(32, 37, 43, 0.82)),
    linear-gradient(135deg, var(--mit-red), var(--charcoal));
}

.hero-content {
  width: min(850px, 100%);
}

.page-hero {
  padding: 72px clamp(20px, 6vw, 80px);
  color: #fff;
  background:
    linear-gradient(115deg, rgba(32, 37, 43, 0.96), rgba(32, 37, 43, 0.82)),
    linear-gradient(135deg, var(--mit-red), var(--charcoal));
}

.page-hero .eyebrow {
  color: #ffccd3;
}

.page-hero h1 {
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--mit-red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffccd3;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(44px, 7vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.2;
}

.lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: #f1f3f4;
  font-size: clamp(19px, 2.3vw, 25px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 2px solid transparent;
  font-weight: 700;
}

.button:hover {
  text-decoration: none;
}

.button.primary {
  color: var(--mit-red);
  background: #fff;
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: 72px clamp(20px, 6vw, 80px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.overview {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(280px, 1.1fr);
  gap: 48px;
  border-bottom: 1px solid var(--line);
}

.overview-text {
  color: var(--muted);
  font-size: 18px;
}

.overview-text p:first-child {
  margin-top: 0;
}

.activity-grid,
.director-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.activity-grid article,
.director-grid article {
  min-height: 220px;
  padding: 28px;
  background: #fff;
}

.activity-grid p,
.director-grid p {
  margin: 0;
  color: var(--muted);
}

.band {
  background: var(--soft);
}

.resource-list {
  display: grid;
  gap: 14px;
  max-width: 980px;
}

.resource-list a {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 22px;
  color: var(--ink);
  background: #fff;
  border-left: 5px solid var(--mit-red);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.resource-list a:hover {
  text-decoration: none;
  background: #fbfbfc;
}

.resource-list span {
  font-weight: 700;
}

.resource-list small {
  max-width: 340px;
  color: var(--muted);
  text-align: right;
}

.link-list {
  display: grid;
  gap: 0;
  max-width: 920px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.link-list li {
  padding: 16px 0 16px 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.link-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 7px;
  height: 7px;
  background: var(--mit-red);
}

.link-list a {
  color: var(--ink);
  font-weight: 700;
}

.link-list a:hover {
  color: var(--mit-red);
}

.link-list p {
  max-width: 760px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 15px;
}

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

.director-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
}

.director-grid article {
  min-height: 250px;
}

.director-photo {
  display: block;
  width: 112px;
  height: 112px;
  margin-bottom: 18px;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px var(--line);
}

.director-grid a {
  display: inline-block;
  margin-top: 16px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 64px);
  color: #fff;
  background: var(--charcoal);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.footer-links a {
  color: #fff;
  font-weight: 700;
}

@media (max-width: 820px) {
  .site-footer,
  .resource-list a {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px 20px;
  }

  .nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    flex-wrap: wrap;
    gap: 14px;
  }

  .mit-logo-link {
    padding-left: 36px;
  }

  .mit-logo-link img {
    height: 30px;
  }

  .brand-text {
    font-size: 16px;
  }

  .overview,
  .activity-grid,
  .director-grid {
    grid-template-columns: 1fr;
  }

  .resource-list small {
    max-width: none;
    text-align: left;
  }

  .link-list li {
    padding-right: 0;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 68vh;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .section {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .activity-grid article,
  .director-grid article {
    min-height: auto;
    padding: 22px;
  }
}