* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 10% 8%, rgba(124, 231, 222, .26), transparent 28rem),
    radial-gradient(circle at 90% 0%, rgba(255, 214, 153, .2), transparent 30rem),
    linear-gradient(135deg, #f6fbf8 0%, #edf5f1 52%, #f8f5ef 100%);
  color: #142c2e;
  font-family: "Avenir Next", "Segoe UI", Roboto, Arial, sans-serif;
}

a {
  color: #17696c;
  font-weight: 800;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

.guide-shell {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 24px clamp(18px, 5vw, 72px) 72px;
}

.guide-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(48px, 8vw, 82px);
}

.brand img {
  display: block;
  width: 184px;
  filter: drop-shadow(0 12px 22px rgba(15, 63, 67, .16));
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.nav-links a,
.cta-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 17px;
  border: 1px solid rgba(23, 79, 82, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 14px 38px rgba(31, 92, 91, .10);
  color: #174f52;
  font-weight: 900;
  text-decoration: none;
}

.guide-hero {
  max-width: 900px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(20, 71, 75, .08);
  color: #174f52;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 920px;
  color: #102f32;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.lede {
  max-width: 760px;
  margin-top: 22px;
  color: #53696b;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.62;
}

.guide-meta {
  margin-top: 16px;
  color: #6b7d7f;
  font-size: 15px;
  font-weight: 800;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 28px;
  margin-top: 44px;
  align-items: start;
}

.article-card,
.side-card,
.guide-card {
  border: 1px solid rgba(17, 61, 64, .10);
  border-radius: 8px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 18px 45px rgba(22, 52, 54, .08);
}

.article-card {
  padding: clamp(24px, 4vw, 42px);
}

.article-card h2 {
  margin-top: 34px;
  color: #102f32;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.08;
}

.article-card h2:first-child {
  margin-top: 0;
}

.article-card h3 {
  margin-top: 24px;
  color: #14383b;
  font-size: 21px;
}

.article-card p,
.article-card li {
  color: #53696b;
  font-size: 17px;
  line-height: 1.72;
}

.article-card p {
  margin-top: 14px;
}

.article-card ul,
.article-card ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.callout {
  margin-top: 26px;
  padding: 20px;
  border-left: 4px solid #1f7778;
  border-radius: 8px;
  background: rgba(221, 255, 249, .62);
  color: #31595c;
}

.side-card {
  position: sticky;
  top: 24px;
  padding: 22px;
}

.side-card h2 {
  color: #102f32;
  font-size: 22px;
}

.side-card p {
  margin-top: 10px;
  color: #5d6f71;
  line-height: 1.6;
}

.side-card ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.side-card li a {
  display: block;
  padding: 12px;
  border: 1px solid rgba(17, 61, 64, .10);
  border-radius: 8px;
  background: rgba(248, 252, 250, .72);
  text-decoration: none;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.guide-index-content {
  margin-top: 28px;
}

.guide-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  color: inherit;
  text-decoration: none;
}

.guide-card span {
  width: fit-content;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(20, 71, 75, .08);
  color: #1f7778;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.guide-card h2 {
  color: #102f32;
  font-size: 24px;
  line-height: 1.1;
}

.guide-card p {
  color: #53696b;
  line-height: 1.6;
}

.guide-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 46px;
  padding-top: 24px;
  border-top: 1px solid rgba(17, 61, 64, .12);
  color: #5d6f71;
}

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

@media (max-width: 900px) {
  .content-layout,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
  }
}

@media (max-width: 640px) {
  .guide-shell {
    padding: 18px 18px 54px;
  }

  .guide-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 144px;
  }

  h1 {
    font-size: 38px;
  }
}