:root {
  --ink: #08090c;
  --paper: #f4f6f8;
  --muted: #69727d;
  --line: #d9dee4;
  --green: #1fce9c;
  --blue: #0a4fd1;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Geist, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
}
.skip {
  position: fixed;
  left: 18px;
  top: 12px;
  z-index: 20;
  transform: translateY(-160%);
  background: #fff;
  padding: 10px 14px;
  border-radius: 6px;
}
.skip:focus {
  transform: none;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(8, 9, 12, 0.92);
  backdrop-filter: blur(16px);
  color: #f3f6f9;
  border-bottom: 1px solid #181c22;
}
.nav img {
  display: block;
  height: 28px;
  width: auto;
}
.navlinks {
  display: flex;
  gap: 24px;
  align-items: center;
}
.navlinks a {
  text-decoration: none;
  font-size: 13px;
  color: #a9b2bd;
}
.navlinks .cta {
  color: #fff;
  background: var(--blue);
  padding: 10px 18px;
  border-radius: 7px;
}
.hero {
  background: var(--ink);
  color: #f3f6f9;
  padding: clamp(90px, 12vw, 170px) clamp(20px, 6vw, 90px)
    clamp(80px, 10vw, 140px);
  position: relative;
  overflow: hidden;
}
.hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(#11161d 1px, transparent 1px),
    linear-gradient(90deg, #11161d 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
  pointer-events: none;
}
.wrap {
  max-width: 1120px;
  margin: auto;
  position: relative;
  z-index: 1;
}
.eyebrow {
  font:
    500 11px/1.4 "Geist Mono",
    monospace;
  letter-spacing: 0.12em;
  color: var(--green);
}
h1 {
  margin: 22px 0 0;
  max-width: 1050px;
  font-size: clamp(48px, 8.5vw, 122px);
  line-height: 0.88;
  letter-spacing: -0.052em;
  text-wrap: balance;
}
h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
h3 {
  font-size: clamp(22px, 2vw, 30px);
  letter-spacing: -0.025em;
}
p,
li {
  font-size: 17px;
  line-height: 1.72;
}
.lede {
  max-width: 720px;
  margin: 28px 0 0;
  color: #a9b2bd;
  font-size: clamp(18px, 2vw, 22px);
}
.audience {
  max-width: 760px;
  margin: 20px 0 0;
  color: #89939e;
  font-size: 14px;
  line-height: 1.6;
}
.audience strong {
  color: #f3f6f9;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.button {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 600;
}
.textlink {
  color: #f3f6f9;
  padding: 14px 4px;
  text-underline-offset: 5px;
}
.section {
  padding: clamp(72px, 9vw, 126px) clamp(20px, 6vw, 90px);
}
.section.dark {
  background: #0b0d11;
  color: #f3f6f9;
}
.section.dark p,
.section.dark li {
  color: #a9b2bd;
}
.grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(40px, 8vw, 110px);
}
.copy {
  max-width: 720px;
}
.copy h2 {
  margin: 58px 0 18px;
}
.copy h2:first-child {
  margin-top: 0;
}
.copy h3 {
  margin: 34px 0 10px;
}
.copy p {
  color: #4f5a66;
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 52px;
}
.fact {
  background: #fff;
  padding: 24px;
}
.fact b {
  display: block;
  font-size: 22px;
}
.fact span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.toc {
  position: sticky;
  top: 100px;
  align-self: start;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.toc a {
  display: block;
  text-decoration: none;
  color: #56606b;
  padding: 8px 0;
  font-size: 14px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.card {
  min-height: 220px;
  background: #fff;
  padding: 28px;
  border: 1px solid #e1e5ea;
  border-radius: 13px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.card small {
  font:
    500 10px "Geist Mono",
    monospace;
  letter-spacing: 0.1em;
  color: var(--green);
}
.card h3 {
  margin: 18px 0 12px;
}
.card p {
  margin: 0;
  color: #5a6573;
  font-size: 15px;
}
.card b {
  margin-top: auto;
  padding-top: 24px;
  color: var(--blue);
}
.article-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 24px;
  color: #8f99a4;
  font:
    12px "Geist Mono",
    monospace;
}
.callout {
  margin: 44px 0;
  padding: 28px;
  border-left: 3px solid var(--green);
  background: #edf2f1;
}
.cta-band {
  background: var(--ink);
  color: #f3f6f9;
  padding: 70px clamp(20px, 6vw, 90px);
}
.cta-band .wrap {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
}
.cta-band p {
  color: #a9b2bd;
  margin: 16px 0 0;
}
.footer {
  background: var(--ink);
  color: #a9b2bd;
  border-top: 1px solid #171c22;
  padding: 34px clamp(20px, 6vw, 90px);
  font-size: 13px;
}
.footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer a {
  color: #a9b2bd;
}
.crumbs {
  margin-bottom: 28px;
  font-size: 13px;
  color: #89939e;
}
.crumbs a {
  color: #a9b2bd;
  text-underline-offset: 4px;
}
.guide-links {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.guide-links a {
  background: #fff;
  padding: 18px 20px;
  color: var(--blue);
  font-weight: 600;
  text-decoration: none;
}
.guide-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
@media (max-width: 760px) {
  .navlinks a:not(.cta) {
    display: none;
  }
  .grid,
  .cards,
  .facts {
    grid-template-columns: 1fr;
  }
  .toc {
    position: static;
  }
  .cta-band .wrap {
    display: block;
  }
  .cta-band .button {
    margin-top: 24px;
  }
  h1 {
    font-size: clamp(46px, 15vw, 76px);
  }
  .hero {
    padding-top: 76px;
  }
}
