@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-600.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-serif-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Serif";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-serif-500.woff2") format("woff2");
}

:root {
  --ink: #1c2230;
  --muted: #566070;
  --navy: #1b2a4a;
  --navy-hover: #2a3d66;
  --bg: #ffffff;
  --bg-alt: #f3f5f8;
  --line: #dde1e8;
  --on-navy: #ffffff;
  --on-navy-muted: #c9d1df;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --max: 1120px;
  --gutter: 32px;
}

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

html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.2;
  color: var(--navy);
}

p {
  margin: 0;
}

a {
  color: var(--navy);
}

a:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: var(--gutter);
  top: 12px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--bg);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  min-height: 72px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--navy);
  text-decoration: none;
}

.mark {
  width: 28px;
  height: 28px;
  flex: none;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  font-size: 0.9375rem;
  color: var(--ink);
  text-decoration: none;
}

.nav-list a:hover {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 6px;
}

/* Opening */

.hero {
  padding: 128px 0 96px;
}

.hero h1 {
  max-width: 21ch;
  font-size: clamp(2.375rem, 5.4vw, 4.25rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px 64px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.lead {
  max-width: 54ch;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 14px 32px;
  background: var(--navy);
  color: var(--on-navy);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.button:hover {
  background: var(--navy-hover);
}

/* Sections */

.section {
  padding: 112px 0;
}

.section h2 {
  margin-bottom: 56px;
  font-size: clamp(1.875rem, 3.2vw, 2.625rem);
  letter-spacing: -0.01em;
}

.section-alt {
  background: var(--bg-alt);
}

/* Name on the left, detail on the right */

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 16px 64px;
  padding: 40px 0 48px;
  border-top: 1px solid var(--line);
}

.row:last-child {
  border-bottom: 1px solid var(--line);
}

.row h3 {
  font-size: clamp(1.375rem, 2.2vw, 1.625rem);
}

.row-body {
  max-width: 62ch;
}

.row-body > p:first-child {
  font-size: 1.125rem;
}

.points {
  max-width: 44ch;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.points li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9875rem;
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 7px;
  height: 7px;
  background: var(--navy);
}

.tools {
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* Contact */

.section-dark {
  background: var(--navy);
  color: var(--on-navy);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 16px 64px;
}

.section-dark h2 {
  margin-bottom: 0;
  color: var(--on-navy);
}

.section-dark p {
  max-width: 54ch;
  font-size: 1.125rem;
  color: var(--on-navy-muted);
}

.section-dark .email {
  display: inline-block;
  margin-top: 32px;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  color: var(--on-navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 8px;
  overflow-wrap: anywhere;
}

.section-dark .email:hover {
  text-decoration-thickness: 2px;
}

.section-dark a:focus-visible {
  outline-color: var(--on-navy);
}

/* Footer */

.site-footer {
  padding: 56px 0 40px;
  font-size: 0.875rem;
  color: var(--muted);
}

.legal h2 {
  margin-bottom: 16px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.legal dl {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 24px;
  margin: 0;
}

.legal dt {
  font-weight: 600;
  color: var(--ink);
}

.legal dd {
  margin: 0;
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

/* Responsive */

@media (max-width: 860px) {
  .site-header {
    position: static;
  }

  html {
    scroll-padding-top: 0;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .hero-foot {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }

  .hero-foot .button {
    justify-self: start;
  }

  .section {
    padding: 72px 0;
  }

  .section h2 {
    margin-bottom: 32px;
  }

  .row,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .row {
    padding: 32px 0 40px;
  }

  .legal dl {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .legal dd {
    margin-bottom: 12px;
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 16px;
  }

  .nav-list {
    gap: 8px 20px;
  }
}