:root {
  --navy: #001f57;
  --blue: #1769ef;
  --ink: #0a234f;
  --muted: #627590;
  --line: #dce5f0;
  --soft: #f3f7fc;
  --white: #fff;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    "Plus Jakarta Sans",
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
}
.learn-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(28px, calc((100vw - 1200px) / 2));
  border-bottom: 1px solid var(--line);
  background: #f7f9fc;
}
.learn-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  text-decoration: none;
  font-size: 1.05rem;
}
.learn-brand img {
  width: 42px;
  height: 30px;
  object-fit: contain;
}
.learn-platform,
.learn-hero a,
.learn-tools a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-family:
    "Plus Jakarta Sans",
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(3, 27, 78, 0.15);
}
.learn-platform {
  padding: 10px 24px;
}
.learn-hub,
.learn-article {
  width: min(1120px, calc(100% - 40px));
  margin: auto;
}
.learn-hero {
  padding: 90px 0 70px;
  text-align: center;
}
.learn-hero > span,
.learn-card > span,
.learn-tools > span,
.learn-article article > header > span {
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}
.learn-hero h1 {
  max-width: 900px;
  margin: 18px auto;
  font-size: clamp(2.5rem, 6vw, 5.3rem);
  line-height: 1;
  letter-spacing: -0.045em;
}
.learn-hero p {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}
.learn-hero div {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}
.learn-hero a {
  padding: 10px 24px;
}
.learn-hero a + a {
  border: 1px solid var(--line);
  background: var(--soft);
  color: var(--navy);
}
.learn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-bottom: 80px;
}
.learn-card {
  display: flex;
  flex-direction: column;
  min-height: 285px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
}
.learn-card h2 {
  margin: 13px 0 12px;
  font-size: 1.35rem;
  line-height: 1.25;
}
.learn-card h2 a,
.learn-card .read {
  color: var(--navy);
  text-decoration: none;
}
.learn-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}
.learn-card .read {
  margin-top: auto;
  padding-top: 18px;
  font-weight: 800;
}
.breadcrumbs {
  display: flex;
  gap: 9px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.breadcrumbs a {
  color: inherit;
  text-decoration: none;
}
.learn-article > article {
  max-width: 780px;
  margin: auto;
}
.learn-article article > header {
  padding: 45px 0 30px;
}
.learn-article h1 {
  margin: 16px 0 22px;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}
.learn-article article > header p {
  font-size: 1.18rem;
}
.learn-article article p,
.learn-article article li {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.8;
}
.learn-article article section {
  margin: 45px 0;
}
.learn-article article h2 {
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}
.learn-tools {
  max-width: none !important;
  padding: 28px !important;
  border: 1px solid #c9dbf5;
  border-radius: 16px;
  background: #edf4ff;
}
.learn-tools h2 {
  margin: 8px 0 20px;
}
.learn-tools div {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.learn-tools a {
  padding: 10px 24px;
}
.learn-tools a:not(.primary) {
  border: 1px solid #c4d2e6;
  background: #fff;
  color: var(--navy);
}
.learn-checklist {
  padding: 25px 28px;
  border-left: 5px solid var(--blue);
  background: var(--soft);
}
.learn-checklist li + li {
  margin-top: 8px;
}
.learn-faq details {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.learn-faq summary {
  cursor: pointer;
  font-weight: 800;
}
.learn-related {
  max-width: 780px;
  margin: 70px auto;
}
.learn-related > div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.learn-related a {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--navy);
  text-decoration: none;
}
.learn-related span {
  color: var(--blue);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}
.learn-footer {
  padding: 45px max(28px, calc((100vw - 1200px) / 2));
  border-top: 1px solid var(--line);
  background: var(--soft);
}
.learn-footer {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 28px;
}
.learn-footer p,
.learn-footer small {
  color: var(--muted);
}
.learn-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
}
.learn-footer a {
  color: var(--navy);
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
}
.learn-footer small {
  grid-column: 1/-1;
}
@media (max-width: 850px) {
  .learn-grid {
    grid-template-columns: 1fr 1fr;
  }
  .learn-related > div {
    grid-template-columns: 1fr;
  }
  .learn-footer {
    grid-template-columns: 1fr;
  }
  .learn-footer nav {
    justify-content: flex-start;
  }
}
@media (max-width: 560px) {
  .learn-header {
    height: 68px;
    padding: 0 18px;
  }
  .learn-hub,
  .learn-article {
    width: min(100% - 28px, 1120px);
  }
  .learn-hero {
    padding: 55px 0 45px;
  }
  .learn-hero div,
  .learn-tools div {
    display: grid;
  }
  .learn-grid {
    grid-template-columns: 1fr;
  }
  .learn-card {
    min-height: 240px;
  }
  .learn-article article > header {
    padding-top: 25px;
  }
  .learn-article h1 {
    font-size: 2.45rem;
  }
  .learn-footer {
    padding: 35px 20px;
  }
  .learn-footer nav {
    display: grid;
    gap: 13px;
  }
}

.learn-categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: -35px 0 50px;
}
.learn-categories a {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  background: var(--soft);
}
.learn-category-header {
  max-width: 820px;
  padding: 58px 0 48px;
}
.learn-category-header > span {
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}
.learn-category-header h1 {
  margin: 14px 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
}
.learn-category-header p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}
@media (max-width: 560px) {
  .learn-categories {
    justify-content: flex-start;
    margin: -15px 0 35px;
  }
  .learn-category-header {
    padding: 35px 0;
  }
}