:root {
  --og-primary: #3157d5;
  --og-primary-dark: #2443ad;
  --og-primary-soft: #eef2ff;
  --og-accent: #0f9f8f;
  --og-ink: #172033;
  --og-muted: #64748b;
  --og-surface: #ffffff;
  --og-surface-soft: #f7f8fc;
  --og-border: #e2e8f0;
  --og-danger: #dc3545;
  --og-radius-sm: 10px;
  --og-radius: 16px;
  --og-radius-lg: 24px;
  --og-shadow-sm: 0 8px 24px rgba(23, 32, 51, 0.07);
  --og-shadow: 0 18px 50px rgba(23, 32, 51, 0.1);
  --og-container: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--og-surface-soft);
  color: var(--og-ink);
  font-family: "Inter", "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--og-ink);
  font-family: "Inter", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: -0.025em;
}

a {
  color: var(--og-primary);
  transition: color 0.2s ease, background-color 0.2s ease,
    border-color 0.2s ease, transform 0.2s ease;
}

a:hover,
a:focus {
  color: var(--og-primary-dark);
}

:focus-visible {
  outline: 3px solid rgba(49, 87, 213, 0.3);
  outline-offset: 3px;
}

.container {
  max-width: var(--og-container);
}

.section {
  padding: 56px 0;
}

.section + .section {
  border-top: 1px solid rgba(226, 232, 240, 0.7);
}

/* Header */
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--og-border);
  backdrop-filter: blur(16px);
}

#nav,
#nav-bottom {
  background: transparent;
  border: 0;
}

#nav-bottom .container > .d-flex {
  min-height: 76px;
  align-items: center;
  gap: 16px;
}

.nav-logo {
  flex: 0 0 auto;
}

.nav-logo .logo {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.og-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--og-ink);
}

.og-brand__mark {
  position: relative !important;
  display: block !important;
  flex: 0 0 38px !important;
  box-sizing: border-box;
  width: 38px !important;
  height: 38px !important;
  border-radius: 10px;
  background: var(--og-primary);
  color: #fff;
  line-height: 0;
  overflow: hidden;
}

.og-brand__mark svg {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  display: block !important;
  width: 18px !important;
  height: 18px !important;
  margin: 0 !important;
  transform: translate(-50%, -50%) !important;
}

.og-brand__mark > span {
  display: none;
}

.og-brand__name {
  color: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.og-brand__name strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
}

.og-brand--light {
  color: #fff !important;
}

.nav-menu {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  margin: 0;
  padding: 0;
}

.nav-menu > li {
  margin: 0;
  flex: 0 0 auto;
}

.nav-menu > li > a {
  display: block;
  padding: 10px 12px;
  color: var(--og-ink);
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li > a:focus {
  color: var(--og-primary);
}

.nav-menu .dropdown {
  overflow: hidden;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  box-shadow: var(--og-shadow);
}

.dropdown-body {
  padding: 22px;
}

.dropdown-heading {
  color: var(--og-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dropdown-list li a {
  display: block;
  padding: 7px 0;
  color: var(--og-ink);
  font-size: 14px;
}

.nav-social {
  display: none;
}

.og-nav-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.og-nav-search {
  align-items: center;
  gap: 0.35rem;
  margin: 0;
}

.og-nav-search input {
  width: 140px;
  max-width: 18vw;
  border: 1px solid #d5deea;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  background: #fff;
  line-height: 1.2;
}

.og-nav-search button {
  border: 0;
  background: #1f4e79;
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: 0 0 auto;
}

.nav-btns {
  display: flex;
  align-items: center;
  margin: 0;
}

.nav-btns .aside-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--og-border);
  border-radius: 12px;
  background: var(--og-surface);
  color: var(--og-ink);
}

#nav-aside {
  width: min(88vw, 360px);
  padding: 78px 28px 32px;
  background: var(--og-surface);
  box-shadow: var(--og-shadow);
}

.nav-aside-menu > li > a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--og-border);
  color: var(--og-ink);
  font-weight: 600;
}

/* Homepage hero */
.og-hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 72px;
  background: var(--og-ink);
  color: #fff;
}

.og-hero::before,
.og-hero::after {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
}

.og-hero::before {
  top: -180px;
  right: -80px;
  width: 460px;
  height: 460px;
}

.og-hero::after {
  right: 220px;
  bottom: -240px;
  width: 520px;
  height: 520px;
}

.og-hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.og-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbe5ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.og-eyebrow i {
  position: relative;
  top: 0;
  display: inline-block;
  width: auto;
  height: auto;
  margin: 0;
  line-height: 1 !important;
  vertical-align: middle;
}

.og-eyebrow i::before {
  display: block;
  line-height: 1 !important;
}

.og-inline-icon {
  position: relative;
  display: inline-block;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  line-height: 0;
  vertical-align: middle;
}

.og-inline-icon svg {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.og-search button,
.btn.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.og-hero h1 {
  max-width: 720px;
  margin-bottom: 20px;
  color: #fff;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.08;
}

.og-hero__lead {
  max-width: 680px;
  margin-bottom: 30px;
  color: #cbd5e1;
  font-size: 18px;
}

.og-search {
  display: flex;
  max-width: 690px;
  padding: 7px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}

.og-search input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border: 0;
  outline: 0;
  color: var(--og-ink);
  font-size: 15px;
}

.og-search button {
  min-width: 130px;
  border: 0;
  border-radius: 11px;
  background: var(--og-primary);
  color: #fff;
  font-weight: 700;
}

.og-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.og-quick-links a {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 600;
}

.og-quick-links a:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.og-value-strip {
  position: relative;
  z-index: 2;
  margin-top: -28px;
}

.og-value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
}

.og-value-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 92px;
  padding: 18px 22px;
  border-right: 1px solid var(--og-border);
}

.og-value-item:last-child {
  border-right: 0;
}

.og-value-icon {
  position: relative !important;
  display: block !important;
  flex: 0 0 42px !important;
  box-sizing: border-box;
  width: 42px !important;
  height: 42px !important;
  margin: 0;
  padding: 0;
  border-radius: 12px;
  background: var(--og-primary-soft);
  color: var(--og-primary);
  line-height: 0;
  overflow: hidden;
}

.og-value-icon svg {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  display: block !important;
  width: 18px !important;
  height: 18px !important;
  margin: 0 !important;
  transform: translate(-50%, -50%) !important;
}

.og-value-icon i {
  display: none !important;
}

.og-value-item > div strong,
.og-value-item > div span {
  display: block;
}

.og-value-item > div strong {
  color: var(--og-ink);
  font-size: 14px;
}

.og-value-item > div span {
  margin-top: 2px;
  color: var(--og-muted);
  font-size: 12px;
}

/* Cards and common content */
.section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  border: 0;
}

.section-title::after {
  display: none;
}

.section-title .title {
  display: block;
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--og-ink);
  font-size: clamp(24px, 3vw, 32px);
  text-transform: none;
}

.section-title > div > span {
  display: block;
  margin-bottom: 5px;
}

.post {
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.post:hover {
  transform: translateY(-4px);
  border-color: #c7d2fe;
}

.post .post-img {
  display: block;
  overflow: hidden;
  background: #edf0f7;
}

.post .post-img > img {
  width: 100%;
  height: 210px !important;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.post:hover .post-img > img {
  transform: scale(1.025);
}

.post .post-body {
  padding: 18px;
}

.post .post-category a,
.post-category a {
  display: inline-block;
  margin: 0 5px 5px 0;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--og-primary-soft);
  color: var(--og-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.post .post-title {
  margin: 8px 0 12px;
  font-size: 17px;
  line-height: 1.4;
}

.post .post-title a {
  color: var(--og-ink);
}

.post-meta {
  display: flex;
  gap: 12px;
  color: var(--og-muted);
  font-size: 12px;
}

.post-meta li::after {
  display: none;
}

.post.post-thumb {
  min-height: 320px;
  border: 0;
}

.post.post-thumb .post-body {
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(10, 18, 35, 0.94) 100%
  );
}

.hot-post {
  gap: 18px 0;
}

.hot-post .post {
  position: relative;
  border-radius: var(--og-radius-lg);
}

.hot-post-left .post {
  min-height: 460px;
}

.hot-post-right {
  display: grid;
  gap: 14px;
}

.hot-post-right .post {
  min-height: 223px;
  margin: 0;
}

.hot-post .post .post-img,
.hot-post .post .post-img > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100% !important;
}

.hot-post .post.post-thumb .post-body {
  right: 0;
  left: 0;
  bottom: 0;
  padding: 70px 24px 24px;
  background: linear-gradient(180deg, transparent, rgba(10, 18, 35, 0.94));
}

.post.post-sm .post-body {
  margin: 0;
  padding: 18px;
  background: var(--og-surface);
}

.post.post-widget {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  min-height: 146px;
}

.post.post-widget .post-img {
  float: none;
  width: auto;
  height: 100%;
}

.post.post-widget .post-img > img {
  height: 100% !important;
  min-height: 146px;
}

.post.post-widget .post-body {
  min-width: 0;
  margin: 0;
  padding: 16px;
}

.post.post-widget .post-title {
  font-size: 15px;
}

.og-blog-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.post.post-row {
  display: grid;
  grid-template-columns: 42% minmax(0, 1fr);
  margin: 0;
}

.post.post-row .post-img {
  float: none;
  width: auto;
  height: 100%;
}

.post.post-row .post-img > img {
  height: 100% !important;
  min-height: 250px;
}

.post.post-row .post-body {
  min-width: 0;
  margin: 0;
  padding: 20px;
}

.post.post-row .post-body > p {
  display: -webkit-box;
  overflow: hidden;
  color: var(--og-muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.aside-widget {
  overflow: hidden;
  margin-bottom: 22px;
  padding: 22px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
}

.aside-title {
  margin-bottom: 18px;
  font-size: 18px;
}

.form-control,
.input,
select.form-control,
textarea.form-control {
  min-height: 48px;
  padding: 11px 14px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius-sm);
  background: var(--og-surface);
  color: var(--og-ink);
  box-shadow: none;
}

.form-control:focus,
.input:focus {
  border-color: var(--og-primary);
  box-shadow: 0 0 0 4px rgba(49, 87, 213, 0.1);
}

.og-account-card {
  padding: 28px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
}

.og-account-lead {
  margin-bottom: 22px;
  color: var(--og-muted);
}

.og-semester-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.og-semester-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--og-border);
  border-radius: 999px;
  color: var(--og-ink);
  background: var(--og-surface);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.og-semester-chip:hover,
.og-semester-chip.is-active {
  border-color: var(--og-primary);
  color: var(--og-primary);
  background: rgba(49, 87, 213, 0.06);
  text-decoration: none;
}

.og-content-card-col {
  display: flex;
  margin-bottom: 24px !important;
}

.og-content-card-col .post {
  width: 100%;
  margin-bottom: 0;
}

.og-content-card-col .post-body {
  height: 100%;
}

.og-contributor-hero {
  margin-bottom: 32px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: linear-gradient(135deg, var(--og-primary-soft), var(--og-surface) 70%);
}

.og-contributor-hero h1 {
  max-width: 760px;
  margin: 8px 0 12px;
  color: var(--og-ink);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.og-contributor-hero p {
  max-width: 680px;
  margin: 0;
  color: var(--og-muted);
  font-size: 1.08rem;
}

.og-eyebrow {
  color: var(--og-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.og-contributor-info,
.og-contributor-form {
  padding: 26px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
}

.og-contributor-info {
  position: sticky;
  top: 20px;
}

.og-contributor-info h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

.og-contributor-info ul {
  margin: 0 0 20px;
  padding-left: 20px;
}

.og-contributor-info li {
  margin-bottom: 9px;
}

.og-contributor-info p {
  margin: 0;
  color: var(--og-muted);
  font-size: 0.92rem;
}

.og-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius-sm);
}

.og-checkbox-group legend {
  width: 100%;
  margin: 0 0 2px;
  color: var(--og-ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.og-checkbox-group label,
.og-consent {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--og-muted);
}

.og-checkbox-group input,
.og-consent input {
  flex: 0 0 auto;
  margin-top: 4px;
}

.og-policy {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px);
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
}

.og-policy__header {
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--og-border);
}

.og-policy__header h1 {
  margin: 8px 0;
  color: var(--og-ink);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.og-policy__header p {
  margin: 0;
  color: var(--og-muted);
}

.og-policy__content h2 {
  margin: 30px 0 10px;
  color: var(--og-ink);
  font-size: 1.35rem;
}

.og-policy__content p,
.og-policy__content li {
  color: var(--og-muted);
  line-height: 1.75;
}

.og-policy__content ul,
.og-policy__content ol {
  padding-left: 22px;
}

.section > .container > .row.mb-5:first-child {
  margin-bottom: 36px !important;
  padding: 22px;
  border: 1px solid var(--og-border);
  border-radius: var(--og-radius);
  background: var(--og-surface);
  box-shadow: var(--og-shadow-sm);
}

.section > .container > .row.mb-5:first-child .btn {
  width: 100%;
}

.section .text-center > img[src*="void.png"],
.section .text-start > img[src*="void.png"] {
  width: min(100%, 320px);
  height: auto !important;
  opacity: 0.9;
}

.widget-title,
.aside-widget .title {
  color: var(--og-ink);
  font-size: 17px;
}

.category-widget ul li,
.archive-widget ul li {
  border-color: var(--og-border);
}

.tags-widget ul li a {
  border: 1px solid var(--og-border);
  border-radius: 999px;
  background: var(--og-surface-soft);
  color: var(--og-muted);
}

.tags-widget ul li a:hover {
  border-color: #c7d2fe;
  background: var(--og-primary-soft);
  color: var(--og-primary);
}

.btn,
.primary-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--og-radius-sm);
  font-family: "Inter", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 700;
  text-transform: none;
}

.btn-primary,
.primary-button {
  background: var(--og-primary);
  color: #fff;
}

.btn-primary:hover,
.primary-button:hover {
  background: var(--og-primary-dark);
  color: #fff;
}

.pagination {
  gap: 5px;
}

.pagination > li > a,
.pagination > li > span {
  display: grid;
  min-width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--og-border);
  border-radius: 9px;
  background: var(--og-surface);
  color: var(--og-ink);
}

.pagination > .active > a,
.pagination > .active > span {
  border-color: var(--og-primary);
  background: var(--og-primary);
  color: #fff;
}

.content_data {
  color: #334155;
  font-size: 17px;
  line-height: 1.85;
}

.content_data h2,
.content_data h3,
.content_data h4 {
  margin-top: 1.8em;
}

.content_data img {
  height: auto;
  border-radius: var(--og-radius-sm);
}

/* Footer */
#footer {
  margin-top: 64px;
  padding-top: 64px;
  background: #111827;
  color: #cbd5e1;
}

#footer > .container > .row:first-child {
  row-gap: 24px;
}

.footer-widget {
  margin-bottom: 32px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
}

.footer-widget p,
.footer-widget a,
.footer-nav li a {
  color: #aeb9ca;
}

.footer-widget a:hover,
.footer-nav li a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 20px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }

  #nav-bottom .container > .d-flex {
    min-height: 68px;
  }

  .og-hero {
    padding: 64px 0 58px;
  }

  .og-value-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .og-value-item:nth-child(2) {
    border-right: 0;
  }

  .og-value-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--og-border);
  }
}

@media (max-width: 767px) {
  .section {
    padding: 38px 0;
  }

  .section-title {
    align-items: flex-start;
    gap: 10px;
  }

  .section-title .title {
    font-size: 24px;
  }

  .section-title > a {
    flex: 0 0 auto;
  }

  .og-hero {
    padding: 52px 0 50px;
  }

  .og-hero h1 {
    font-size: 38px;
  }

  .og-hero__lead {
    font-size: 16px;
  }

  .og-search {
    display: block;
    padding: 8px;
  }

  .og-search input,
  .og-search button {
    width: 100%;
  }

  .og-search button {
    min-height: 46px;
  }

  .og-value-strip {
    margin-top: 20px;
  }

  .og-value-grid {
    grid-template-columns: 1fr;
  }

  .og-value-item {
    border-right: 0;
    border-bottom: 1px solid var(--og-border);
  }

  .og-value-item:last-child {
    border-bottom: 0;
  }

  .post .post-img > img {
    height: 230px !important;
  }

  .hot-post-left .post,
  .hot-post-right .post {
    min-height: 300px;
  }

  .hot-post .post .post-img > img {
    height: 100% !important;
  }

  .post.post-widget,
  .post.post-row {
    grid-template-columns: 1fr;
  }

  .post.post-widget .post-img > img,
  .post.post-row .post-img > img {
    height: 220px !important;
    min-height: 0;
  }

  .og-blog-list {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .footer-nav li {
    margin: 0;
  }
}

@media (max-width: 420px) {
  .section-title {
    display: block;
  }

  .section-title > a {
    margin-top: 12px;
  }
}

.og-breadcrumbs {
  background: linear-gradient(180deg, rgba(15, 40, 70, 0.04), transparent);
  border-bottom: 1px solid rgba(15, 40, 70, 0.08);
  padding: 0.65rem 0;
}

.og-breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  color: #4a5d73;
}

.og-breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: #9aa8b8;
}

.og-breadcrumb-item a {
  color: #1f4e79;
  text-decoration: none;
}

.og-breadcrumb-item a:hover,
.og-breadcrumb-item a:focus {
  text-decoration: underline;
}

.og-breadcrumb-item.is-current span {
  color: #243447;
  font-weight: 600;
}

.og-ad-unit {
  margin: 1rem 0 1.25rem;
  text-align: center;
}

.og-ad-label {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8a97a8;
  margin-bottom: 0.35rem;
}

.og-ad-slot {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  background: rgba(15, 40, 70, 0.03);
  border: 1px dashed rgba(15, 40, 70, 0.08);
  border-radius: 4px;
}

.og-ad-slot--sidebar {
  min-height: 280px;
}

.og-ad-slot--sidebar-tall {
  min-height: 600px;
}

.og-ad-slot--after-content,
.og-ad-slot--in-article {
  min-height: 120px;
  max-width: 728px;
}

.og-ad-placeholder {
  width: 100%;
  min-height: inherit;
}

.og-ad-support-note {
  font-size: 0.8rem;
  color: #6b7c8f;
  margin-top: 0.75rem;
}

.og-ad-support-note a {
  color: #1f4e79;
}

.og-save-bar {
  margin: 0 0 1rem;
}

.og-save-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid rgba(31, 78, 121, 0.25);
  background: #fff;
  color: #1f4e79;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.og-save-btn.is-saved,
.og-save-btn:hover,
.og-save-btn:focus {
  background: #1f4e79;
  color: #fff;
  border-color: #1f4e79;
}

.og-copy-link {
  border: 0;
  background: transparent;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0;
  cursor: pointer;
}

.og-continue-strip {
  padding: 1rem 0;
  background: linear-gradient(180deg, rgba(31, 78, 121, 0.06), transparent);
  border-bottom: 1px solid rgba(15, 40, 70, 0.06);
}

.og-continue-strip__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.og-continue-strip__head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.og-continue-strip__items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.og-continue-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  max-width: 220px;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(15, 40, 70, 0.1);
  color: #243447;
  text-decoration: none;
  font-size: 0.9rem;
}

.og-continue-chip span,
.og-continue-type {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #6b7c8f;
}

.og-continue-list,
.og-bookmark-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.og-continue-list li,
.og-bookmark-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(15, 40, 70, 0.08);
}

.og-continue-list a,
.og-bookmark-list a {
  color: #1f4e79;
  text-decoration: none;
}

.og-bookmark-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.og-bookmark-remove {
  border: 0;
  background: transparent;
  color: #8a97a8;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.og-continue-all {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.og-study-quiz-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.og-quiz-hero {
  margin-bottom: 1.5rem;
}

.og-quiz-lead {
  color: #5b6b7c;
  max-width: 46rem;
}

.og-quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1rem;
}

.og-quiz-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid #e6edf5;
  border-radius: 12px;
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.og-quiz-card:hover {
  border-color: #9ec0e6;
  box-shadow: 0 8px 20px rgba(31, 78, 121, 0.08);
  color: inherit;
  text-decoration: none;
}

.og-quiz-card span,
.og-quiz-card em {
  color: #6b7c8f;
  font-style: normal;
  font-size: 0.9rem;
}

.og-quiz-card--tall {
  min-height: 140px;
}

.og-quiz-empty {
  border: 1px dashed #d5deea;
  border-radius: 12px;
  background: #f8fbff;
}

.og-quiz-meta-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.og-quiz-attempt-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.og-quiz-timer {
  min-width: 110px;
  text-align: center;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: #123a63;
  color: #fff;
}

.og-quiz-timer-label {
  display: block;
  font-size: 0.75rem;
  opacity: 0.85;
}

.og-quiz-score {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid #dce7f3;
  background: #f7fbff;
}

.og-quiz-score.is-pass {
  border-color: #b7e0c2;
  background: #f1faf3;
}

.og-quiz-score.is-fail {
  border-color: #f0c7cf;
  background: #fff6f8;
}

.og-quiz-score strong {
  display: block;
  font-size: 1.6rem;
  line-height: 1.2;
}

.og-quiz-score span {
  display: block;
  color: #5b6b7c;
}

.og-mcq-card {
  border: 1px solid #e6edf5;
  border-radius: 12px;
  background: #fff;
}

.og-mcq-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.og-mcq-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #eef4fb;
  color: #1f4e79;
  font-size: 0.75rem;
  font-weight: 600;
}

.og-mcq-badge.is-pass {
  background: #e5f6ea;
  color: #1f7a3d;
}

.og-mcq-badge.is-fail {
  background: #fde8ec;
  color: #b4233a;
}

.og-mcq-question {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
}

.og-mcq-options {
  display: grid;
  gap: 0.6rem;
}

.og-mcq-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  text-align: left;
  border: 1px solid #dce7f3;
  border-radius: 10px;
  background: #fff;
  padding: 0.75rem 0.9rem;
  cursor: pointer;
}

.og-mcq-option--choice {
  cursor: pointer;
}

.og-mcq-option--choice input {
  margin-top: 0.2rem;
}

.og-mcq-option:hover {
  border-color: #9ec0e6;
}

.og-mcq-option.is-correct {
  border-color: #63c082;
  background: #f1faf3;
}

.og-mcq-option.is-wrong {
  border-color: #e58a9a;
  background: #fff6f8;
}

.og-mcq-opt-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: #eef4fb;
  color: #1f4e79;
  font-size: 0.8rem;
  font-weight: 700;
  flex: 0 0 auto;
}

.og-mcq-feedback {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid #eef2f7;
}

.og-mcq-result.is-correct-text {
  color: #1f7a3d;
  font-weight: 600;
}

.og-mcq-result.is-wrong-text {
  color: #b4233a;
  font-weight: 600;
}

.og-quiz-history-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.og-quiz-history-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 1px solid #eef2f7;
}

.og-quiz-history-list li:last-child {
  border-bottom: 0;
}

.og-quiz-history-list .og-continue-type.is-pass {
  color: #1f7a3d;
}

.og-quiz-history-list .og-continue-type.is-fail {
  color: #b4233a;
}

.og-search-results {
  list-style: none;
  margin: 0;
  padding: 0;
}

.og-search-results li {
  padding: 0.7rem 0;
  border-bottom: 1px solid #eef2f7;
}

.og-search-results li:last-child {
  border-bottom: 0;
}

.og-search-results a {
  color: #1f4e79;
  text-decoration: none;
  display: block;
}

.og-search--page {
  max-width: 40rem;
  margin: 1rem 0;
}

.og-continue-strip--quizzes {
  margin-top: 0.5rem;
}

@media (max-width: 768px) {
  .og-ad-slot--sidebar,
  .og-ad-slot--sidebar-tall {
    min-height: 100px;
  }

  .og-quiz-attempt-head {
    flex-direction: column;
  }

  .og-quiz-timer {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}