/* Article page layout — PTUK / SO brand */
:root {
  --so-navy: #1c1b3b;
  --so-navy-soft: #182b3a;
  --so-green: #3db166;
  --so-green-dark: #2f9a52;
  --so-text: #243447;
  --so-muted: #5f6f7c;
  --so-line: #e4e8ee;
  --so-bg: #f3f5f8;
  --so-white: #ffffff;
  --so-radius: 12px;
  --so-shadow: 0 8px 28px rgba(28, 27, 59, 0.08);
}

.so-article-page {
  background: var(--so-bg);
  direction: ltr;
}

.so-article-page a {
  display: inline;
  color: inherit;
}

.so-banner {
  position: relative;
  background:
    linear-gradient(120deg, rgba(28, 27, 59, 0.92), rgba(28, 27, 59, 0.72)),
    var(--so-navy);
  min-height: 160px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.so-banner::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 177, 102, 0.35), transparent 70%);
  pointer-events: none;
}

.so-banner__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 36px 16px;
  color: #fff;
}

.so-banner__eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
}

.so-banner__title {
  margin: 0;
  color: #fff !important;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.2;
}

.so-layout {
  padding: 40px 0 70px;
}

.so-layout .container {
  max-width: 1140px;
}

.so-side-nav {
  background: var(--so-white);
  border-radius: var(--so-radius);
  box-shadow: var(--so-shadow);
  overflow: hidden;
  position: sticky;
  top: 100px;
  margin-bottom: 24px;
}

.so-side-nav__head {
  display: block;
  background: var(--so-navy);
  color: #fff !important;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none !important;
  border: 0;
  border-radius: 0;
}

.so-side-nav__head:hover {
  background: #15142f;
  color: #fff !important;
}

.so-side-nav ul {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.so-side-nav li {
  margin: 0;
}

.so-side-nav li a {
  display: block !important;
  padding: 12px 18px;
  color: var(--so-text) !important;
  text-decoration: none !important;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.so-side-nav li a:hover {
  background: #f4faf6;
  border-left-color: var(--so-green);
  color: var(--so-navy) !important;
}

.so-side-nav li a.is-active {
  background: #eef8f1;
  border-left-color: var(--so-green);
  color: var(--so-green-dark) !important;
}

.so-side-nav .so-subnav {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  background: #fafbfc;
}

.so-side-nav .so-subnav a {
  padding: 9px 18px 9px 28px;
  font-size: 13px;
  font-weight: 500;
  color: var(--so-muted) !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.so-main {
  background: var(--so-white);
  border-radius: var(--so-radius);
  box-shadow: var(--so-shadow);
  padding: 28px 30px 36px;
  min-height: 320px;
}

.so-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--so-line);
  font-size: 14px;
  color: var(--so-muted);
}

.so-breadcrumb a {
  color: var(--so-navy-soft) !important;
  font-weight: 600;
  text-decoration: none !important;
}

.so-breadcrumb a:hover {
  color: var(--so-green) !important;
}

.so-breadcrumb__sep {
  color: #9aa7b3;
}

.so-breadcrumb__current {
  color: var(--so-green-dark);
  font-weight: 700;
}

.so-article-title {
  margin: 0 0 18px;
  color: var(--so-navy) !important;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
}

.so-article-body {
  color: var(--so-text);
  font-size: 16px;
  line-height: 1.8;
  direction: ltr;
}

.so-article-body p {
  color: var(--so-text);
  margin-bottom: 16px;
}

.so-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 10px 0;
}

.so-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  background: #fff;
}

.so-article-body td,
.so-article-body th {
  border: 1px solid var(--so-line);
  padding: 10px 12px;
  vertical-align: top;
}

.so-article-body a {
  color: var(--so-green-dark) !important;
  text-decoration: underline !important;
}

.so-article-body a:hover {
  color: var(--so-navy) !important;
}

.so-contact-strip {
  background: linear-gradient(90deg, var(--so-navy), #2a294f);
  color: #fff;
  padding: 48px 0;
  text-align: center;
}

.so-contact-strip h3 {
  margin: 0;
  color: #fff !important;
  font-size: 28px;
  letter-spacing: 0.04em;
}

.so-side-nav.vertical-menu {
  width: 100%;
}

.so-side-nav.vertical-menu a,
.so-side-nav.vertical-menu a.active {
  background-color: transparent;
  border-bottom: 0;
  border-radius: 0;
  padding: 12px 18px;
  width: auto;
  font-size: 15px;
}

.so-side-nav.vertical-menu .so-side-nav__head,
.so-side-nav.vertical-menu a.so-side-nav__head.active {
  background-color: var(--so-navy);
  color: #fff !important;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 700;
}

.so-side-nav.vertical-menu a:hover {
  background-color: #f4faf6;
}

/* Keep header logo on the left for EN pages */
.so-article-page .main-navbar .navbar,
.main-navbar .navbar {
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  direction: ltr;
}

.so-article-page .main-navbar .navbar-brand,
.main-navbar .navbar-brand.so-header-logo {
  margin-right: 20px;
  margin-left: 0;
  order: 0;
}

.so-article-page .main-navbar .navbar-collapse,
.main-navbar .navbar-collapse {
  order: 1;
  flex-grow: 1;
}

@media (max-width: 991px) {
  .so-side-nav {
    position: static;
  }

  .so-main {
    padding: 22px 18px 28px;
  }

  .so-layout {
    padding-top: 24px;
  }
}