:root {
  --ink: #16212b;
  --muted: #5f6c76;
  --line: #d9e2e7;
  --paper: #f8fbff;
  --white: #ffffff;
  --teal: #356fdd;
  --teal-dark: #123fae;
  --red: #c7433c;
  --gold: #b68022;
  --navy: #1a376f;
  --shadow: 0 20px 60px rgba(22, 33, 43, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 16px;
  left: 50%;
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 48px rgba(10, 31, 41, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand-emblem {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: block;
}

.brand-copy {
  display: grid;
  gap: 1px;
  min-width: 0;
  font-weight: 800;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #263f63;
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-links a {
  padding: 8px 0;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 112px 24px 54px;
  background: #20313d;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(248, 251, 255, 0.98) 0%, rgba(248, 251, 255, 0.9) 28%, rgba(248, 251, 255, 0.38) 55%, rgba(18, 35, 44, 0.2) 100%),
    linear-gradient(0deg, rgba(22, 33, 43, 0.16), rgba(22, 33, 43, 0.02));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.hero-emblem {
  display: block;
  width: clamp(72px, 9vw, 116px);
  height: clamp(72px, 9vw, 116px);
  margin-bottom: 18px;
  border-radius: 50%;
  box-shadow: 0 18px 42px rgba(8, 39, 42, 0.18);
}

.eyebrow,
.section-kicker {
  margin: 0 0 13px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: "Newsreader", Georgia, serif;
  line-height: 0.98;
  letter-spacing: 0;
}

h1 {
  width: min(720px, 100%);
  margin-bottom: 20px;
  font-size: clamp(3rem, 8vw, 6.8rem);
}

h2 {
  font-size: clamp(2.15rem, 4.5vw, 4.3rem);
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.hero-copy {
  width: min(590px, 100%);
  margin-bottom: 28px;
  color: #364954;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.inline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.inline-button {
  color: var(--white);
  background: var(--teal-dark);
}

.button.secondary,
.inline-button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(22, 33, 43, 0.18);
}

.inline-button {
  min-height: 42px;
  width: fit-content;
  padding: 0 14px;
  font-size: 0.9rem;
}

.inline-button.ghost {
  color: var(--teal-dark);
  background: var(--white);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.feature-copy p,
.cta p {
  color: var(--muted);
  font-size: 1.12rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.text-link {
  color: var(--teal-dark);
  font-weight: 800;
}

.format-sections {
  padding-top: 18px;
}

.format-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.format-item {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  min-height: 116px;
  padding: 22px;
  background: var(--white);
}

.format-item span {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.format-item h3,
.format-item p {
  margin-bottom: 0;
}

.format-item p {
  color: var(--muted);
}

.resource-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.topic-library {
  padding-bottom: 38px;
}

.topic-library .button {
  margin-top: 2px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.topic-grid a {
  display: flex;
  align-items: center;
  min-height: 92px;
  padding: 20px;
  background: var(--white);
  color: var(--teal-dark);
  font-weight: 900;
  transition: background 160ms ease, color 160ms ease;
}

.topic-grid a:hover,
.topic-grid a:focus-visible {
  background: var(--teal-dark);
  color: var(--white);
}

.topic-grid a:focus-visible {
  outline: 3px solid rgba(53, 111, 221, 0.28);
  outline-offset: -3px;
}

.topic-preview-list {
  display: grid;
  gap: 44px;
}

.topic-preview-group {
  scroll-margin-top: 104px;
}

.topic-heading {
  max-width: 860px;
  margin-bottom: 18px;
}

.topic-heading span {
  display: block;
  margin-bottom: 8px;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topic-heading h3 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.guide-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.guide-preview {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.guide-preview h4 {
  margin: 0;
  font-size: 1.02rem;
}

.guide-preview p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.subpage-main {
  padding-top: 116px;
}

.study-page-hero {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 24px;
}

.study-page-hero h1 {
  width: min(920px, 100%);
  margin-bottom: 18px;
  font-size: clamp(3rem, 6.6vw, 6rem);
}

.study-page-hero p {
  width: min(760px, 100%);
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--teal-dark);
  font-weight: 900;
}

.study-count {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-top: 8px;
  padding: 0 14px;
  border: 1px solid rgba(18, 63, 174, 0.22);
  border-radius: 8px;
  color: var(--teal-dark);
  background: #eef5ff;
  font-weight: 900;
}

.study-guide-library-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 22px 24px;
  border: 1px solid rgba(18, 63, 174, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
  box-shadow: 0 14px 34px rgba(26, 55, 111, 0.08);
}

.study-guide-library-cta h2 {
  margin: 7px 0 8px;
  font-family: var(--sans);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: 0;
}

.study-guide-library-cta p {
  width: min(760px, 100%);
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.study-guide-library-cta .inline-button {
  min-width: 230px;
}

.topic-directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.topic-directory-card,
.study-guide-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.topic-directory-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 230px;
  padding: 24px;
}

.topic-directory-card span {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topic-directory-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.topic-directory-card p {
  margin: 0;
  color: var(--muted);
}

.study-guide-list {
  display: grid;
  gap: 12px;
  padding-top: 34px;
}

.study-guide-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 24px;
}

.study-guide-card h3 {
  margin: 7px 0 8px;
  font-size: 1.3rem;
}

.study-guide-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.study-guide-preview-copy {
  display: grid;
  gap: 16px;
}

.study-guide-preview-copy h3 {
  margin-bottom: 0;
}

.study-guide-preview-body {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

.study-guide-preview-body p {
  margin: 0;
}

.preview-points {
  display: grid;
  gap: 8px;
  max-width: 780px;
  padding: 16px 18px;
  border: 1px solid rgba(18, 63, 174, 0.16);
  border-radius: 8px;
  background: #f8fbff;
}

.preview-points strong,
.preview-related span {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 900;
}

.preview-points ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.preview-related {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  max-width: 860px;
}

.preview-related a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(18, 63, 174, 0.18);
  border-radius: 8px;
  padding: 0 10px;
  color: var(--teal-dark);
  background: #eef5ff;
  font-size: 0.88rem;
  font-weight: 900;
}

.preview-related a:hover,
.preview-related a:focus-visible {
  border-color: rgba(18, 63, 174, 0.42);
  background: var(--white);
}

.related-topics {
  padding-top: 34px;
}

.blog-preview {
  padding-bottom: 38px;
}

.blog-card-grid,
.blog-index-list {
  display: grid;
  gap: 14px;
}

.blog-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.blog-card,
.blog-index-card,
.blog-article,
.read-more-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.blog-card,
.blog-index-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
}

.blog-card span,
.blog-index-card span,
.read-more-panel span,
.related-inline > span {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-card h3,
.blog-index-card h3 {
  margin: 0;
  font-size: 1.22rem;
}

.blog-card p,
.blog-index-card p {
  margin: 0;
  color: var(--muted);
}

.blog-index-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding-top: 34px;
}

.blog-article {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto 72px;
  padding: 44px;
}

.blog-article h1 {
  width: min(820px, 100%);
  margin-bottom: 28px;
  font-size: clamp(2.8rem, 5.8vw, 5.5rem);
}

.blog-article-body {
  display: grid;
  gap: 18px;
  color: #2f4652;
  font-size: clamp(1.06rem, 1.8vw, 1.22rem);
}

.blog-article-body p {
  margin: 0;
}

.read-more-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 34px;
  padding: 24px;
  background: #eef5ff;
  box-shadow: none;
}

.read-more-panel p {
  margin: 6px 0 0;
  color: var(--muted);
}

.related-inline {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.related-inline div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-inline a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid rgba(18, 63, 174, 0.22);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--teal-dark);
  background: var(--white);
  font-weight: 900;
}

.continue-learning {
  padding-top: 32px;
}

.continue-learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.continue-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.continue-card:hover,
.continue-card:focus-visible {
  border-color: rgba(18, 63, 174, 0.42);
  transform: translateY(-1px);
}

.continue-card span {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.continue-card h3,
.continue-card p {
  margin: 0;
}

.continue-card h3 {
  font-size: 1.12rem;
}

.continue-card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.search-panel {
  display: grid;
  gap: 22px;
}

.site-search {
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.site-search label {
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.site-search input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: #fbfdfc;
  font: inherit;
  font-weight: 700;
}

.site-search input:focus {
  border-color: rgba(18, 63, 174, 0.54);
  outline: 3px solid rgba(53, 111, 221, 0.18);
}

.search-status {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.search-results {
  display: grid;
  gap: 12px;
}

.search-result-card {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.search-result-type {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.search-result-card h3,
.search-result-card p {
  margin: 0;
}

.search-result-card h3 {
  font-size: 1.22rem;
}

.search-result-card a {
  color: var(--ink);
}

.search-result-card a:hover,
.search-result-card a:focus-visible {
  color: var(--teal-dark);
}

.search-result-card p {
  color: var(--muted);
}

.membership-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 34px;
  border: 1px solid rgba(18, 63, 174, 0.22);
  border-radius: 8px;
  background: #eef5ff;
}

.membership-band h2 {
  max-width: 820px;
  margin-bottom: 14px;
  font-size: clamp(2rem, 3.8vw, 3.8rem);
}

.membership-band p {
  max-width: 800px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.membership-band .membership-proof {
  max-width: 860px;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(1.18rem, 2.2vw, 1.55rem);
  font-weight: 800;
  line-height: 1.32;
}

.membership-actions {
  display: grid;
  gap: 12px;
  min-width: 220px;
}

.feeds {
  padding-top: 18px;
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feed-panel {
  min-height: 310px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(28, 46, 56, 0.07);
}

.feed-heading {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
}

.feed-heading span {
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feed-list {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.feed-item {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.feed-item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.feed-item p,
.feed-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.feed-note code {
  color: var(--teal-dark);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.85fr);
  gap: 44px;
  align-items: center;
  padding: 86px max(24px, calc((100vw - 1120px) / 2));
  color: var(--white);
  background: #173263;
}

.feature-band .section-kicker {
  color: #ffcc8a;
}

.feature-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.feature-copy .button {
  margin-top: 12px;
}

.course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.course-actions .button {
  margin-top: 0;
}

.course-panel {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.course-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 4px 14px;
  padding: 19px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.course-row:last-child {
  border-bottom: 0;
}

.course-bullet {
  grid-row: span 2;
  width: 9px;
  height: 9px;
  margin-top: 0.58rem;
  border-radius: 50%;
  background: #ffcc8a;
}

.course-row small {
  color: rgba(255, 255, 255, 0.68);
}

.course-row.active {
  background: rgba(255, 255, 255, 0.11);
}

.mini-course-hero {
  background:
    linear-gradient(135deg, rgba(232, 243, 241, 0.96), rgba(255, 255, 255, 0.96)),
    url("assets/whiteboard-medicine-hero.png") center / cover;
}

.course-catalog {
  display: grid;
  gap: 24px;
}

.course-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.course-catalog-card {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.course-catalog-card-featured {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr) auto;
  align-items: center;
}

.course-catalog-card span {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-catalog-card h2,
.course-catalog-card p,
.course-meta-list {
  margin: 0;
}

.course-catalog-card h2 {
  color: var(--ink);
  font-size: clamp(1.3rem, 2.4vw, 2.1rem);
}

.course-catalog-card p {
  color: var(--muted);
}

.course-meta-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  color: var(--muted);
}

.review-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.review-list article {
  display: grid;
  grid-template-columns: 190px 0.62fr 1fr;
  gap: 20px;
  align-items: center;
  min-height: 116px;
  padding: 22px;
  background: var(--white);
}

.resource-type {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.review-list h3,
.review-list p {
  margin-bottom: 0;
}

.review-list p {
  color: var(--muted);
}

.resource-download {
  justify-self: start;
}

.cta {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.6fr);
  gap: 38px;
  align-items: end;
  width: min(1120px, calc(100% - 40px));
  margin: 18px auto 78px;
  padding: 38px;
  border-radius: 8px;
  color: var(--white);
  background: #17262f;
}

.cta .section-kicker {
  color: #ffcc8a;
}

.cta p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.signup-form {
  display: grid;
  gap: 10px;
}

.signup-label {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.88rem;
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 42px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--teal-dark);
  font-weight: 800;
}

.footer-main {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
}

.footer-emblem {
  width: 58px;
  height: 58px;
}

.disclaimer {
  max-width: 900px;
  font-size: 0.8rem;
  line-height: 1.55;
}

.copyright {
  margin-top: 12px;
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-links {
    display: flex;
    width: 100%;
    gap: 8px;
    overflow-x: auto;
    padding-top: 8px;
    padding-bottom: 2px;
    color: #263f63;
    font-size: 0.8rem;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a {
    flex: 0 0 auto;
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(18, 63, 174, 0.16);
    border-radius: 8px;
    padding: 0 10px;
    background: rgba(255, 255, 255, 0.72);
  }

  .hero {
    min-height: 86vh;
    padding-top: 106px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(248, 251, 255, 0.97) 0%, rgba(248, 251, 255, 0.84) 58%, rgba(248, 251, 255, 0.28) 100%);
  }

  .membership-band,
  .feature-band,
  .cta {
    grid-template-columns: 1fr;
  }

  .topic-grid,
  .guide-preview-grid,
  .topic-directory-grid,
  .blog-card-grid,
  .blog-index-list,
  .course-catalog-grid,
  .continue-learning-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .study-guide-card,
  .read-more-panel,
  .course-catalog-card-featured {
    grid-template-columns: 1fr;
  }

  .review-list article,
  .format-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .resource-actions {
    justify-content: flex-start;
  }

  .feed-grid {
    grid-template-columns: 1fr;
  }

  .search-input-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }

  .brand-copy span {
    font-size: 0.9rem;
  }

  .brand-copy small {
    font-size: 0.68rem;
  }

  .hero {
    min-height: 92vh;
    padding-inline: 18px;
  }

  h1 {
    font-size: clamp(2.25rem, 11.5vw, 3.45rem);
  }

  .topic-grid,
  .guide-preview-grid,
  .topic-directory-grid,
  .blog-card-grid,
  .blog-index-list,
  .course-catalog-grid,
  .continue-learning-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .membership-band,
  .study-page-hero,
  .study-guide-library-cta,
  .blog-article,
  .cta,
  .site-footer {
    width: calc(100% - 28px);
  }

  .section {
    padding: 58px 0;
  }

  .section-heading,
  .site-footer,
  .footer-main {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .membership-band,
  .feed-panel {
    padding: 22px 18px;
  }

  .feature-band {
    padding: 58px 18px;
  }

  .cta {
    padding: 26px 18px;
  }

  .study-guide-library-cta {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 20px 18px;
  }

  .study-guide-library-cta .inline-button {
    min-width: 0;
  }

  .button,
  .inline-button {
    width: 100%;
  }

  .subpage-main {
    padding-top: 94px;
  }

  .study-page-hero {
    padding-top: 40px;
  }

  .topic-directory-card,
  .study-guide-card,
  .blog-card,
  .blog-index-card,
  .blog-article,
  .read-more-panel {
    padding: 20px 18px;
  }
}