.ha-page {
  background: #f7fbff;
}

.ha-hero {
  position: relative;
  margin-top: 82px;
  padding: 72px 0 58px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 74% 28%, rgba(42, 169, 232, 0.22), transparent 32%),
    radial-gradient(circle at 28% 12%, rgba(109, 136, 206, 0.18), transparent 34%),
    linear-gradient(135deg, #123f7a 0%, #0f172a 100%);
}

.ha-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -42% 46%;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 62%);
  pointer-events: none;
}

.ha-hero .container {
  position: relative;
  z-index: 1;
}

.ha-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  color: rgba(232, 242, 255, 0.72);
  font-size: 13px;
}

.ha-breadcrumb a {
  color: rgba(232, 242, 255, 0.82);
}

.ha-breadcrumb a:hover {
  color: #fff;
}

.ha-kicker {
  margin-bottom: 14px;
  color: #62c7f2;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ha-hero h1 {
  max-width: 920px;
  margin: 0;
  color: #fff;
  font-size: clamp(34px, 4.4vw, 58px);
  font-weight: 900;
  line-height: 1.14;
}

.ha-hero-lead {
  max-width: 820px;
  margin: 22px 0 0;
  color: rgba(232, 242, 255, 0.84);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.9;
}

.ha-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.ha-meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(205, 226, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(238, 247, 255, 0.88);
  font-size: 13px;
  font-weight: 700;
}

.ha-shell {
  padding: 56px 0 74px;
}

.ha-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 44px;
  align-items: start;
}

.ha-article {
  min-width: 0;
  padding: 0;
}

.ha-article h2 {
  margin: 46px 0 16px;
  color: #123f7a;
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 900;
  line-height: 1.28;
}

.ha-article h3 {
  margin: 30px 0 12px;
  color: #16324f;
  font-size: clamp(20px, 1.7vw, 23px);
  font-weight: 850;
  line-height: 1.34;
}

.ha-article p,
.ha-article li {
  color: #3e5c76;
  font-size: 17px;
  line-height: 2.02;
}

.ha-article p {
  margin: 0 0 18px;
}

.ha-article ol,
.ha-article ul {
  margin: 0 0 26px 1.25rem;
  padding: 0;
}

.ha-article li + li {
  margin-top: 8px;
}

.ha-article a {
  color: #0b6fb3;
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.ha-intro {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(18, 63, 122, 0.1);
}

.ha-section-label {
  display: inline-block;
  margin-bottom: 12px;
  color: #2aa9e8;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ha-callout,
.ha-contact-box,
.ha-source-box {
  margin-top: 40px;
  padding: 26px;
  border: 1px solid rgba(18, 63, 122, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(18, 63, 122, 0.07);
}

.ha-callout h2,
.ha-contact-box h2,
.ha-source-box h2 {
  margin-top: 0;
}

.ha-contact-box {
  box-shadow: none;
}

.ha-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 12px;
}

.ha-contact-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  color: #0b6fb3;
  font-size: 16px;
  font-weight: 850;
}

.ha-source-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.ha-source-list li {
  margin: 0;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(18, 63, 122, 0.08);
  font-size: 15px;
  line-height: 1.75;
}

.ha-source-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.ha-sidebar {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 18px;
}

.ha-side-panel {
  padding: 22px;
  border-radius: 8px;
  border: 1px solid rgba(18, 63, 122, 0.12);
  background: #fff;
  box-shadow: 0 16px 38px rgba(18, 63, 122, 0.07);
}

.ha-side-panel h2 {
  margin: 0 0 14px;
  color: #123f7a;
  font-size: 18px;
  font-weight: 900;
}

.ha-side-panel dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.ha-side-panel dt {
  color: #748aa0;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ha-side-panel dd {
  margin: 4px 0 0;
  color: #16324f;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

.ha-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ha-tag {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: #e7f5fd;
  color: #123f7a;
  font-size: 12px;
  font-weight: 800;
}

.ha-nav-links {
  display: grid;
  gap: 10px;
}

.ha-nav-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(18, 63, 122, 0.08);
  color: #123f7a;
  font-size: 14px;
  font-weight: 850;
}

.ha-nav-links a:last-child {
  border-bottom: 0;
}

.ha-nav-links i {
  color: #2aa9e8;
  font-size: 12px;
}

@media (max-width: 980px) {
  .ha-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .ha-sidebar {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .ha-hero {
    margin-top: 72px;
    padding: 48px 0 42px;
  }

  .ha-shell {
    padding: 38px 0 56px;
  }

  .ha-article p,
  .ha-article li {
    font-size: 16px;
    line-height: 1.9;
  }

  .ha-callout,
  .ha-contact-box,
  .ha-source-box,
  .ha-side-panel {
    padding: 20px;
  }

  .ha-sidebar {
    grid-template-columns: 1fr;
  }
}