:root {
  --black: #141414;
  --white: #ffffff;
  --muted: #d8d8d8;
  --line: rgba(255, 255, 255, 0.78);
  --open-bg: #e18f94;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Space Mono", Courier, monospace;
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 12px;
}

.top-links {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  width: 100%;
  font-size: 10px;
  line-height: 1.4;
  text-transform: uppercase;
}

.top-links a {
  text-decoration: underline;
}

.rule {
  height: 1px;
  background: var(--line);
  margin: 12px 0 0;
  width: 100%;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
}

.logo-link {
  display: inline-block;
  width: 34%;
  min-width: 145px;
  max-width: 210px;
}

.rio-logo {
  display: block;
  width: 100%;
  height: auto;
}

.site-header h1 {
  margin: -4px 0 0;
  font-family: "Arimo", Helvetica, Arial, sans-serif;
  font-size: 30px;
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-align: right;
  text-transform: uppercase;
  transform: translateY(16px);
}

.section {
  padding: 8px 0 0;
}

.section h2 {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 400;
  text-transform: uppercase;
}

.opportunity {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.opportunity.is-open {
  background: var(--open-bg);
  color: var(--black);
  border-color: var(--open-bg);
}

.opportunity-toggle {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 94px;
  padding: 16px 32px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.opportunity-main {
  flex: 1;
  min-width: 0;
}

.label {
  display: block;
  margin-bottom: 6px;
  color: inherit;
  font-size: 13px;
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.opportunity-main strong {
  display: block;
  font-family: "Arimo", Helvetica, Arial, sans-serif;
  font-size: 21px;
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.opportunity-main small {
  display: block;
  margin-top: 6px;
  color: inherit;
  font-family: "Space Mono", Courier, monospace;
  font-size: 13px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.opportunity-main small span {
  display: block;
}

.expand-icon {
  display: grid;
  place-items: center;
  margin-left: auto;
  color: inherit;
  font-size: 30px;
  transition: transform 0.2s ease;
}

.opportunity.is-open .expand-icon {
  transform: rotate(45deg);
}

.opportunity-content {
  display: none;
  padding: 0 32px 28px;
  color: inherit;
}

.opportunity.is-open .opportunity-content {
  display: block;
}

.opportunity-content p,
.opportunity-content li {
  font-family: "Roboto Flex", "Google Sans Flex", Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  font-weight: 350;
}

.opportunity-content p {
  margin: 0 0 18px;
}

.opportunity-content h3 {
  margin: 32px 0 14px;
  font-family: "Arimo", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.05;
  font-weight: 700;
  text-transform: uppercase;
}

.opportunity-content ul,
.opportunity-content ol {
  margin: 0 0 20px;
  padding-left: 20px;
}

.opportunity-content li {
  margin-bottom: 12px;
}

.opportunity-content a:not(.apply-link) {
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.apply-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid currentColor;
  color: inherit;
  font-size: 12px;
  line-height: 1;
  text-transform: uppercase;
}

.apply-link:hover,
.apply-link:focus-visible {
  background: var(--black);
  color: var(--open-bg);
}

.apply-link .material-symbols-outlined {
  font-size: 20px;
}

.footer-rule {
  margin-top: 36px;
}

.last-updated {
  margin: 28px 0 28px;
  text-align: center;
  font-size: 10px;
  line-height: 1.5;
  text-transform: uppercase;
  opacity: 0.75;
}

.site-footer {
  padding: 24px 0 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Roboto Flex", "Google Sans Flex", Arial, Helvetica, sans-serif;
  font-size: 9px;
  line-height: 1.45;
  font-weight: 350;
  text-align: center;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

@media (min-width: 700px) {
  .page {
    max-width: 900px;
    padding: 18px;
  }

  .top-links {
    font-size: 11px;
  }

  .site-header {
    padding: 28px 0;
  }

  .site-header h1 {
    margin-top: -22px;
    font-size: 56px;
  }

  .opportunity-toggle {
    min-height: 112px;
    padding: 22px 40px;
  }

  .opportunity-main strong {
    font-size: 34px;
  }

  .opportunity-main small {
    font-size: 14px;
  }

  .opportunity-content {
    padding: 0 40px 32px;
  }

  .opportunity-content p,
  .opportunity-content li {
    font-size: 16px;
  }

  .opportunity-content p {
    margin-bottom: 20px;
  }

  .opportunity-content h3 {
    margin: 36px 0 16px;
    font-size: 20px;
  }

  .button-row {
    gap: 12px;
    margin-top: 28px;
  }

  .apply-link {
    padding: 13px 16px;
    font-size: 13px;
  }
}

.site-footer {
  font-size: 10px;
    margin: 0 auto;
  text-align: center;
}

@media (min-width: 1100px) {
  .page {
    max-width: 1080px;
  }

  .opportunity-toggle {
    padding-left: 48px;
    padding-right: 48px;
  }

  .opportunity-content {
    padding-left: 48px;
    padding-right: 48px;
  }

  .opportunity-content p {
    max-width: 900px;
  }

  .opportunity-content ul,
  .opportunity-content ol {
    max-width: 900px;
  }
}

@media (max-width: 420px) {
  .page {
    max-width: 390px;
    padding: 10px;
  }

  .top-links {
    font-size: 9px;
  }

  .site-header {
    gap: 12px;
  }

  .site-header h1 {
    margin: 0;
    font-size: 24px;
    transform: translateY(-5px);
  }

  .logo-link {
    min-width: 130px;
  }

  .opportunity-toggle {
    gap: 16px;
    min-height: 90px;
    padding: 15px 20px;
  }

  .opportunity-content {
    padding: 0 20px 22px;
  }

  .label {
    font-size: 11px;
  }

  .opportunity-main strong {
    font-size: 18px;
  }

  .opportunity-main small {
    font-size: 12px;
  }

  .opportunity-content p,
  .opportunity-content li {
    font-size: 14px;
    line-height: 1.5;
  }

  .opportunity-content p {
    margin-bottom: 16px;
  }

  .opportunity-content h3 {
    margin: 28px 0 12px;
  }

  .apply-link {
    width: 100%;
    justify-content: space-between;
  }
}