/* VA Academy — original design, no third-party assets or fonts. */
:root {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--brand-navy);
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  --blue: var(--brand-blue);
  --navy: var(--brand-navy);
  --orange: var(--brand-amber);
  --muted: var(--brand-muted);
  --line: var(--brand-line);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--brand-amber-border);
  outline-offset: 5px;
}
svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.symbol-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.container {
  width: min(1200px, calc(100% - 64px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  background: #fff;
  padding: 12px;
  z-index: 100;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid #edf0f6;
}
.site-header nav {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--navy);
  min-width: 0;
}
.brand > span:last-child {
  max-width: 240px;
  line-height: 1.3;
}
.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 1.8px;
  font-weight: 650;
  color: var(--brand-muted);
  margin-top: 4px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  flex-shrink: 0;
  border-radius: 13px 13px 13px 4px;
  background: var(--blue);
  color: white;
}
.brand-mark svg {
  width: 25px;
  height: 25px;
}
.nav-links,
.nav-auth {
  display: flex;
  align-items: center;
  gap: 27px;
}
.nav-links a,
.login-link {
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.nav-links a:hover,
.login-link:hover,
.text-link:hover {
  color: var(--blue);
}
.nav-auth {
  gap: 19px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  min-height: 52px;
  padding: 13px 24px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  transition:
    transform 0.15s,
    background 0.15s;
  max-width: 100%;
  text-align: center;
}
.button:hover {
  transform: translateY(-2px);
}
.button.small {
  min-height: 43px;
  padding: 10px 17px;
  font-size: 12px;
}
.primary {
  background: var(--blue);
  color: white;
}
.orange {
  background: var(--orange);
  color: var(--brand-navy);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand-amber) 12.55%, transparent);
}
.orange:hover {
  background: var(--brand-amber-border);
}
.light {
  background: #ffffff14;
  color: white;
  border: 1px solid #ffffff48;
}
.outline {
  border: 1px solid var(--brand-blue-border);
  color: var(--blue);
  background: #fff;
}
.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 85% 0%, var(--brand-blue) 0, transparent 52%),
    linear-gradient(120deg, var(--brand-blue-hover), var(--brand-blue) 55%, var(--brand-navy));
  color: #fff;
  overflow: hidden;
}
.hero:after {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border: 1px solid #ffffff12;
  border-radius: 50%;
  right: -220px;
  top: 60px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 50px;
  align-items: center;
  min-height: 610px;
  padding-block: 64px 105px;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #ffffff12;
  border: 1px solid #ffffff25;
  border-radius: 30px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.6px;
  padding: 8px 13px;
}
.hero-tag > span {
  width: 6px;
  height: 6px;
  background: var(--brand-amber-border);
  border-radius: 50%;
}
.hero h1 {
  font-size: clamp(36px, 4.2vw, 59px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -2px;
  margin: 24px 0 19px;
  overflow-wrap: anywhere;
}
.hero h1 em {
  font-style: normal;
  color: var(--brand-amber-border);
}
.hero-copy > p {
  max-width: 455px;
  color: var(--brand-blue-soft);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 29px;
}
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 11px;
  color: var(--brand-blue-soft);
  margin-top: 24px;
}
.product-scene {
  position: relative;
  min-width: 0;
  padding-top: 14px;
}
.scene-orbit {
  position: absolute;
  inset: -35px -20px;
  background: radial-gradient(circle, #ffffff12, transparent 70%);
}
.product-window {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #f4f7fc;
  color: var(--navy);
  box-shadow: 0 28px 60px color-mix(in srgb, var(--brand-navy) 25.1%, transparent);
  border: 7px solid #ffffff28;
  transform: perspective(1300px) rotateY(-7deg) rotateX(2deg);
}
.window-bar {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  background: #fff;
  font-size: 9px;
  color: var(--brand-muted);
  border-bottom: 1px solid var(--brand-line);
}
.window-dots {
  color: var(--brand-blue-border);
  font-size: 9px;
  letter-spacing: 3px;
}
.window-body {
  display: flex;
  min-height: 310px;
}
.preview-sidebar {
  background: white;
  width: 53px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 27px;
  padding: 17px 0;
  color: var(--brand-muted);
  border-right: 1px solid var(--brand-blue-soft);
}
.preview-sidebar svg {
  width: 17px;
  height: 17px;
}
.mini-logo {
  background: var(--blue);
  color: white;
  font-size: 11px;
  font-weight: 800;
  border-radius: 6px;
  padding: 5px;
}
.preview-content {
  padding: 23px 20px;
  flex: 1;
  min-width: 0;
}
.preview-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 19px;
}
.preview-heading small {
  font-size: 7px;
  letter-spacing: 1px;
  color: var(--brand-muted);
}
.preview-heading h3 {
  font-size: 15px;
  letter-spacing: -0.3px;
  line-height: 1.4;
  margin: 4px 0;
}
.preview-avatar {
  background: var(--brand-amber-soft);
  color: var(--brand-amber-text);
  border: 3px solid white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.preview-lesson {
  position: relative;
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-blue));
  border-radius: 11px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  padding: 22px;
  min-height: 155px;
}
.lesson-label {
  font-size: 7px;
  letter-spacing: 1px;
  color: var(--brand-blue-soft);
}
.preview-lesson h4 {
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin: 9px 0 15px;
}
.lesson-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #fff;
  color: var(--brand-blue-hover);
  font-size: 8px;
  font-weight: 700;
  border-radius: 5px;
  padding: 6px 10px;
}
.lesson-chip svg {
  width: 12px;
  height: 12px;
}
.book-art {
  width: 120px;
  height: 120px;
  position: relative;
  display: grid;
  place-items: center;
  margin-left: 10px;
}
.book-art > span {
  position: absolute;
  width: 65px;
  height: 85px;
  border-radius: 6px;
  background: var(--brand-amber-border);
  transform: rotate(18deg);
  box-shadow: 8px 8px 0 #ffffff15;
}
.book-art > span:nth-child(2) {
  transform: rotate(-10deg) translate(-11px, 2px);
  background: #fff;
}
.book-art svg {
  position: relative;
  color: var(--brand-blue);
  width: 40px;
  height: 40px;
  transform: rotate(-10deg) translate(-10px, 0);
}
.preview-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 15px;
}
.preview-tools > div {
  background: #fff;
  border: 1px solid var(--brand-blue-soft);
  border-radius: 9px;
  padding: 12px;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 0 9px;
  align-items: center;
}
.preview-tools .tool-icon {
  width: 30px;
  height: 30px;
  grid-row: 1/3;
  border-radius: 8px;
}
.preview-tools svg {
  width: 16px;
  height: 16px;
}
.preview-tools strong {
  font-size: 9px;
  white-space: nowrap;
}
.preview-tools small {
  font-size: 7px;
  color: var(--brand-muted);
}
.floating-note {
  position: absolute;
  bottom: -13px;
  left: -18px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--navy);
  background: #fff;
  padding: 15px 20px;
  border-radius: 12px;
  box-shadow: 0 10px 35px color-mix(in srgb, var(--brand-navy) 16.86%, transparent);
  border: 1px solid var(--brand-blue-soft);
}
.floating-note strong {
  display: block;
  font-size: 12px;
}
.floating-note small {
  font-size: 9px;
  color: var(--muted);
}
.scene-caption {
  position: absolute;
  bottom: -52px;
  right: 0;
  color: var(--brand-blue-border);
  font-size: 8px;
  letter-spacing: 0.2px;
}
.tool-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  flex-shrink: 0;
}
.blue {
  background: var(--brand-blue-soft);
  color: var(--brand-blue);
}
.orange-icon {
  background: var(--brand-amber-soft);
  color: var(--brand-amber);
}
.violet {
  background: var(--brand-canvas);
  color: var(--brand-blue);
}
.green {
  background: var(--brand-cyan-soft);
  color: var(--brand-teal);
}
.capability-strip {
  position: relative;
  z-index: 2;
  margin-top: -43px;
  background: #fff;
  border: 1px solid var(--brand-line);
  border-radius: 16px;
  box-shadow: 0 14px 45px color-mix(in srgb, var(--brand-navy) 3.14%, transparent);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 27px 24px;
  gap: 20px;
}
.capability-strip > div {
  display: flex;
  gap: 12px;
  align-items: center;
}
.capability-strip p {
  margin: 0;
}
.capability-strip strong {
  font-size: 12px;
  display: block;
}
.capability-strip small {
  font-size: 10px;
  color: var(--muted);
}
.section {
  padding-block: 88px;
}
.section-title {
  margin-bottom: 35px;
}
.section-title.centered {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
}
.eyebrow {
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.8px;
  margin: 0 0 13px;
}
.section-title h2 {
  font-size: clamp(28px, 3vw, 39px);
  line-height: 1.3;
  font-weight: 750;
  letter-spacing: -1.25px;
  margin: 0 0 16px;
}
.section-title h2 span {
  color: var(--brand-muted);
  font-weight: 550;
}
.section-title > p:last-child {
  color: var(--muted);
  max-width: 610px;
  margin-inline: auto;
  font-size: 14px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.feature-grid article {
  position: relative;
  border: 1px solid var(--brand-blue-soft);
  border-radius: 15px;
  padding: 28px;
  background: #fff;
}
.feature-number {
  position: absolute;
  right: 24px;
  top: 20px;
  font-size: 38px;
  line-height: 1;
  font-weight: 800;
  color: #eff3fa;
  letter-spacing: -2px;
}
.feature-grid h3 {
  font-size: 19px;
  letter-spacing: -0.4px;
  margin: 21px 0 11px;
}
.feature-grid p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 21px;
}
.feature-grid a {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  display: flex;
  justify-content: space-between;
  gap: 15px;
}
.feature-grid a span {
  font-size: 19px;
}
.courses-section,
.soft-section {
  background: #f5f8fe;
}
.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.text-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 23px;
}
.course-card {
  border-radius: 15px;
  border: 1px solid var(--brand-blue-soft);
  background: white;
  overflow: hidden;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px color-mix(in srgb, var(--brand-navy) 4.31%, transparent);
}
.course-art {
  height: 170px;
  background:
    radial-gradient(ellipse at 15% 20%, var(--brand-blue-border), transparent 65%), var(--brand-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 13px;
  position: relative;
}
.course-art:after {
  content: "";
  position: absolute;
  inset: 20px;
  border: 1px solid #ffffff25;
  border-radius: 9px;
}
.course-card:nth-child(3n + 2) .course-art {
  background:
    radial-gradient(ellipse at 15% 20%, var(--brand-blue-border), transparent 65%), var(--brand-teal);
}
.course-card:nth-child(3n + 3) .course-art {
  background:
    radial-gradient(ellipse at 15% 20%, var(--brand-blue-border), transparent 65%), var(--brand-text);
}
.course-art svg {
  height: 48px;
  width: 48px;
}
.course-art > span {
  font-size: 8px;
  letter-spacing: 2px;
  font-weight: 650;
}
.card-content {
  padding: 24px;
}
.card-category {
  display: block;
  color: var(--brand-muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1.3px;
  margin-bottom: 13px;
}
.course-card h3,
.post-card h3 {
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -0.5px;
  margin: 0 0 12px;
}
.card-content > p,
.post-card > p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}
.course-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-top: 1px solid #edf1f8;
  padding-top: 17px;
  margin-top: 22px;
  font-size: 11px;
  color: var(--brand-muted);
}
.course-bottom a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--brand-canvas);
  color: var(--blue);
  font-size: 20px;
}
.empty-state {
  grid-column: 1/-1;
  border: 1px dashed var(--brand-blue-border);
  border-radius: 14px;
  padding: 35px;
  display: flex;
  align-items: center;
  gap: 22px;
  background: #ffffffa8;
}
.empty-state h3 {
  font-size: 18px;
  margin: 0 0 7px;
}
.empty-state p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}
.empty-state .button {
  margin-left: auto;
  font-size: 12px;
  min-height: 44px;
}
.empty-state.compact {
  padding: 25px;
}
.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  max-width: 1000px;
  margin: auto;
}
.price-card {
  position: relative;
  border: 1px solid var(--brand-blue-soft);
  border-radius: 17px;
  padding: 35px;
  display: flex;
  align-items: start;
  flex-direction: column;
  background: #fff;
}
.price-card h3 {
  font-size: 23px;
  letter-spacing: -0.7px;
  line-height: 1.4;
  margin: 0 0 16px;
}
.price {
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -1.6px;
  font-weight: 800;
}
.price-card > p {
  font-size: 13px;
  color: var(--muted);
  margin: 15px 0;
}
.check-list {
  padding: 15px 0 0;
  margin: 0 0 20px;
  list-style: none;
  border-top: 1px solid var(--brand-blue-soft);
  width: 100%;
  font-size: 12px;
  color: var(--brand-muted);
}
.check-list li {
  position: relative;
  padding: 7px 0 7px 23px;
}
.check-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand-teal);
  font-weight: 700;
}
.price-card .plan-note {
  font-size: 11px;
}
.price-card .button {
  width: 100%;
  margin-top: auto;
}
.price-card.premium {
  background: linear-gradient(150deg, var(--brand-blue-hover), var(--brand-navy));
  color: white;
  border-color: transparent;
}
.premium .card-category {
  color: var(--brand-amber-border);
}
.premium > p {
  color: var(--brand-blue-border);
}
.premium .check-list {
  color: var(--brand-blue-soft);
  border-color: #ffffff24;
}
.premium .check-list li:before {
  color: var(--brand-amber-border);
}
.coming-plan {
  background: #f5f8fe;
  border-style: dashed;
  justify-content: center;
  min-height: 350px;
}
.coming-plan h3 {
  margin-top: 25px;
}
.coming-plan p {
  max-width: 340px;
}
.coming-plan a {
  margin-top: 20px;
  white-space: normal;
}
.teacher-card,
.quote-card,
.post-card {
  padding: 28px;
  border: 1px solid var(--brand-blue-soft);
  border-radius: 14px;
  background: white;
}
.teacher-symbol {
  width: 65px;
  height: 65px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-blue-soft);
  color: var(--brand-blue);
  margin-bottom: 20px;
}
.teacher-card h3 {
  margin: 0 0 5px;
  font-size: 20px;
}
.teacher-card small {
  color: var(--blue);
  font-size: 12px;
}
.teacher-card p {
  font-size: 13px;
  color: var(--muted);
}
.quote-mark {
  color: var(--brand-amber);
  font-size: 65px;
  line-height: 1;
}
.quote-card blockquote {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--brand-muted);
}
.quote-card strong {
  font-size: 13px;
}
.rating {
  font-size: 11px;
  color: var(--brand-amber-text);
}
.post-card .text-link {
  display: block;
  margin-top: 20px;
}
.faq-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 65px;
  padding-block: 30px 80px;
}
.faq-list {
  min-width: 0;
}
.faq-list details {
  border-bottom: 1px solid var(--brand-blue-soft);
  padding: 17px 0;
}
.faq-list summary {
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.faq-list summary:after {
  content: "+";
  font-size: 22px;
  color: var(--blue);
  line-height: 1;
}
.faq-list details[open] summary:after {
  content: "−";
}
.faq-list details p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  padding-right: 20px;
}
.cta-banner {
  background:
    radial-gradient(ellipse at 95% 0%, var(--brand-blue), transparent 55%), var(--brand-blue);
  color: #fff;
  border-radius: 20px;
  padding: 45px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 80px;
}
.cta-banner .eyebrow {
  color: var(--brand-blue-border);
  font-size: 9px;
}
.cta-banner h2 {
  font-size: 30px;
  letter-spacing: -1px;
  line-height: 1.3;
  margin: 0 0 12px;
}
.cta-banner p:last-child {
  font-size: 12px;
  color: var(--brand-blue-soft);
  margin: 0;
}
.cta-banner .button {
  flex-shrink: 0;
}
.site-footer {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-block: 0 25px;
}
.site-footer > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: start;
}
.site-footer strong {
  font-size: 12px;
  margin: 6px 0 12px;
}
.site-footer > div > a:not(.brand) {
  font-size: 12px;
  color: var(--muted);
}
.site-footer > div > p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}
.footer-bottom {
  grid-column: 1/-1;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--brand-blue-soft);
  font-size: 10px;
  color: var(--brand-muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.article {
  max-width: 850px;
  min-height: 60vh;
  padding-block: 55px 90px;
}
.article h1 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.3;
  letter-spacing: -1.5px;
}
.back-link {
  font-size: 13px;
  color: var(--blue);
  display: block;
  margin-bottom: 30px;
}
.article-summary {
  font-size: 18px;
  color: var(--muted);
}
.article-body {
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 1.95;
  margin-top: 35px;
}
.article + .site-footer {
  padding-top: 30px;
  border-top: 1px solid var(--brand-blue-soft);
}
@media (max-width: 1100px) {
  .nav-links {
    gap: 17px;
  }
  .nav-links a {
    font-size: 11px;
  }
  .brand {
    font-size: 17px;
  }
  .nav-auth {
    gap: 12px;
  }
  .hero-grid {
    gap: 32px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .preview-content {
    padding: 18px 14px;
  }
  .preview-lesson {
    padding: 18px;
  }
  .book-art {
    width: 85px;
  }
  .capability-strip {
    gap: 15px;
    padding: 23px 20px;
  }
  .capability-strip > div {
    gap: 8px;
  }
  .capability-strip .tool-icon {
    width: 39px;
    height: 39px;
  }
  .capability-strip strong {
    font-size: 10px;
  }
  .capability-strip small {
    font-size: 9px;
  }
  .feature-grid article {
    padding: 23px;
  }
}
@media (max-width: 850px) {
  .nav-links {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 44px;
    padding-block: 50px 95px;
  }
  .hero-copy {
    max-width: 620px;
  }
  .hero-copy > p {
    max-width: 580px;
  }
  .hero h1 {
    font-size: 50px;
  }
  .product-scene {
    max-width: 570px;
    width: 100%;
    margin: auto;
  }
  .capability-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 25px;
    gap: 25px;
  }
  .capability-strip strong {
    font-size: 12px;
  }
  .capability-strip small {
    font-size: 11px;
  }
  .capability-strip .tool-icon {
    width: 43px;
    height: 43px;
  }
  .section {
    padding-block: 65px;
  }
  .feature-grid {
    gap: 14px;
  }
  .feature-grid article {
    padding: 22px 18px;
  }
  .feature-grid h3 {
    font-size: 17px;
  }
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .faq-section {
    gap: 30px;
    grid-template-columns: 1fr;
    padding-bottom: 60px;
  }
  .faq-section .section-title {
    margin-bottom: 0;
  }
  .cta-banner {
    padding: 35px;
    flex-direction: column;
    align-items: start;
    margin-bottom: 60px;
  }
  .site-footer {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 25px;
  }
  .empty-state {
    flex-wrap: wrap;
  }
  .empty-state .button {
    margin-left: 0;
  }
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .container {
    width: calc(100% - 36px);
  }
  .site-header nav {
    height: 72px;
    gap: 10px;
  }
  .brand {
    font-size: 16px;
    gap: 8px;
    letter-spacing: -0.4px;
  }
  .brand > span:last-child {
    max-width: 150px;
  }
  .brand small {
    font-size: 6px;
    letter-spacing: 1.2px;
  }
  .brand-mark {
    width: 35px;
    height: 35px;
    border-radius: 11px 11px 11px 3px;
  }
  .brand-mark svg {
    width: 21px;
    height: 21px;
  }
  .nav-auth {
    gap: 9px;
  }
  .login-link {
    font-size: 11px;
  }
  .nav-auth .button {
    font-size: 10px;
    padding: 9px 11px;
    min-height: 37px;
    gap: 5px;
  }
  .hero-grid {
    padding-top: 36px;
    gap: 36px;
  }
  .hero-tag {
    font-size: 8px;
    letter-spacing: 1px;
    padding: 7px 10px;
  }
  .hero h1 {
    font-size: 37px;
    letter-spacing: -1.3px;
    margin-top: 22px;
  }
  .hero-copy > p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 25px;
  }
  .button {
    padding: 13px 18px;
    min-height: 48px;
    font-size: 12px;
  }
  .hero .actions {
    gap: 9px;
  }
  .hero-benefits {
    font-size: 9px;
    gap: 13px;
    margin-top: 20px;
  }
  .product-scene {
    padding-top: 0;
  }
  .product-window {
    border-width: 4px;
    transform: none;
    border-radius: 12px;
  }
  .window-bar {
    height: 31px;
    padding: 0 10px;
    font-size: 7px;
  }
  .window-dots {
    font-size: 6px;
  }
  .window-body {
    min-height: 255px;
  }
  .preview-sidebar {
    width: 37px;
    padding-top: 14px;
    gap: 23px;
  }
  .mini-logo {
    font-size: 9px;
  }
  .preview-sidebar svg {
    width: 15px;
    height: 15px;
  }
  .preview-content {
    padding: 15px 11px;
  }
  .preview-heading {
    margin-bottom: 13px;
  }
  .preview-heading small {
    font-size: 6px;
  }
  .preview-heading h3 {
    font-size: 12px;
  }
  .preview-avatar {
    width: 24px;
    height: 24px;
    font-size: 9px;
  }
  .preview-lesson {
    padding: 15px;
    min-height: 130px;
  }
  .preview-lesson h4 {
    font-size: 18px;
  }
  .lesson-label {
    font-size: 6px;
  }
  .book-art {
    width: 65px;
    height: 85px;
    margin-left: 0;
  }
  .book-art > span {
    width: 42px;
    height: 62px;
  }
  .book-art svg {
    width: 29px;
    height: 29px;
  }
  .lesson-chip {
    font-size: 6px;
    padding: 5px 7px;
  }
  .preview-tools {
    gap: 8px;
    margin-top: 10px;
  }
  .preview-tools > div {
    padding: 8px;
    grid-template-columns: 23px 1fr;
    gap: 0 5px;
  }
  .preview-tools .tool-icon {
    height: 23px;
    width: 23px;
    border-radius: 6px;
  }
  .preview-tools svg {
    width: 13px;
    height: 13px;
  }
  .preview-tools strong {
    font-size: 7px;
  }
  .preview-tools small {
    font-size: 6px;
  }
  .floating-note {
    left: 10px;
    bottom: -20px;
    padding: 10px 13px;
    gap: 8px;
  }
  .floating-note .tool-icon {
    width: 31px;
    height: 31px;
    border-radius: 9px;
  }
  .floating-note svg {
    width: 19px;
    height: 19px;
  }
  .floating-note strong {
    font-size: 9px;
  }
  .floating-note small {
    font-size: 7px;
  }
  .scene-caption {
    font-size: 6px;
    bottom: -49px;
  }
  .capability-strip {
    padding: 20px 16px;
    gap: 18px 12px;
    border-radius: 12px;
    margin-top: -25px;
  }
  .capability-strip > div {
    gap: 9px;
    align-items: start;
  }
  .capability-strip .tool-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
  }
  .capability-strip svg {
    height: 19px;
    width: 19px;
  }
  .capability-strip strong {
    font-size: 10px;
    line-height: 1.5;
  }
  .capability-strip small {
    font-size: 8px;
    line-height: 1.5;
    display: block;
    margin-top: 3px;
  }
  .section {
    padding-block: 52px;
  }
  .section-title h2 {
    font-size: 28px;
    letter-spacing: -0.9px;
  }
  .section-title .eyebrow {
    font-size: 8px;
    letter-spacing: 1.4px;
  }
  .section-title > p:last-child {
    font-size: 12px;
  }
  .section-title.centered {
    margin-bottom: 27px;
  }
  .feature-grid,
  .cards,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid article {
    padding: 25px;
  }
  .feature-grid h3 {
    font-size: 19px;
  }
  .feature-grid p {
    font-size: 13px;
  }
  .feature-grid .tool-icon {
    width: 43px;
    height: 43px;
  }
  .split {
    display: block;
  }
  .split > .text-link {
    display: inline-block;
    margin-top: 5px;
  }
  .empty-state {
    padding: 25px;
    gap: 17px;
  }
  .empty-state h3 {
    font-size: 17px;
  }
  .empty-state p {
    font-size: 12px;
  }
  .empty-state .button {
    width: 100%;
    margin-top: 5px;
  }
  .price-card {
    padding: 28px;
  }
  .price {
    font-size: 33px;
  }
  .coming-plan {
    min-height: 300px;
  }
  .faq-section {
    padding-top: 10px;
    padding-bottom: 45px;
    gap: 10px;
  }
  .faq-list summary {
    font-size: 13px;
  }
  .faq-list details p {
    font-size: 12px;
  }
  .cta-banner {
    padding: 29px 25px;
    border-radius: 14px;
    margin-bottom: 50px;
    gap: 25px;
  }
  .cta-banner h2 {
    font-size: 27px;
  }
  .cta-banner .eyebrow {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .cta-banner p:last-child {
    font-size: 12px;
  }
  .cta-banner .button {
    width: 100%;
  }
  .site-footer {
    grid-template-columns: 1fr 1fr;
    gap: 28px 20px;
  }
  .site-footer > div:first-child {
    grid-column: 1/-1;
  }
  .site-footer .brand > span:last-child {
    max-width: none;
  }
  .footer-bottom {
    font-size: 9px;
    flex-wrap: wrap;
  }
  .article {
    padding-block: 35px 60px;
  }
  .article-summary {
    font-size: 16px;
  }
  .article-body {
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}
/* Course discovery, support and classroom preview. */
.site-mobile-menu {
  display: none;
}
.course-page {
  padding-block: 35px 70px;
}
.course-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 50px;
  margin-top: 30px;
  align-items: start;
}
.course-page h1 {
  font-size: 44px;
  line-height: 1.25;
  letter-spacing: -1px;
  margin: 16px 0 24px;
}
.course-page-hero > div > p {
  white-space: pre-line;
  color: var(--brand-muted);
  font-size: 16px;
  line-height: 1.9;
}
.course-enrollment {
  padding: 26px;
  background: #f5f8ff;
  border: 1px solid var(--brand-blue-soft);
  border-radius: 14px;
  display: grid;
  gap: 15px;
  position: sticky;
  top: 105px;
}
.course-enrollment h2 {
  font-size: 21px;
  line-height: 1.5;
  margin: 0;
}
.course-enrollment p {
  font-size: 14px;
  color: var(--brand-muted);
  margin: 0;
}
.course-enrollment > a:not(.button) {
  font-size: 14px;
  color: var(--brand-blue);
}
.course-page-sections {
  max-width: 800px;
  margin-top: 40px;
}
.course-page-sections section {
  padding: 25px 0;
  border-top: 1px solid var(--brand-line);
}
.course-page-sections h2 {
  font-size: 24px;
  margin: 0 0 18px;
}
.course-page-sections li {
  padding: 6px 0;
  color: var(--brand-muted);
  font-size: 15px;
  line-height: 1.9;
}
.plain-content {
  white-space: pre-line;
  line-height: 1.9;
  color: var(--brand-muted);
}
.support-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 70px;
  border-top: 1px solid var(--brand-line);
}
.support-section h2 {
  font-size: 30px;
}
.support-section h3 {
  font-size: 19px;
}
.support-section a {
  display: block;
  color: var(--brand-blue);
  overflow-wrap: anywhere;
}
.support-section p {
  font-size: 14px;
  line-height: 1.9;
}
.site-footer {
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
}
.site-footer a {
  overflow-wrap: anywhere;
}
.course-bottom > a {
  font-size: 12px !important;
  width: auto !important;
  height: auto !important;
  border-radius: 6px !important;
  padding: 7px 9px !important;
}
.classroom-product {
  padding: 27px;
  background: #f9fbff;
}
.classroom-product-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--brand-ink);
  font-size: 17px;
}
.classroom-product-nav > span {
  margin-left: auto;
  border-radius: 50%;
  background: var(--brand-blue-soft);
  color: var(--brand-blue);
  font-size: 11px;
  padding: 8px;
}
.classroom-product > p {
  font-size: 11px;
  color: var(--brand-muted);
  margin: 20px 0;
}
.classroom-product-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.classroom-product-cards article {
  border: 1px solid var(--brand-line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  min-width: 0;
}
.classroom-product-cards article > div {
  background: var(--brand-blue);
  padding: 16px 12px;
  color: #fff;
  min-height: 95px;
}
.classroom-product-cards article:nth-child(2) > div {
  background: var(--brand-teal);
}
.classroom-product-cards article:nth-child(3) > div {
  background: var(--brand-blue);
}
.classroom-product-cards small {
  font-size: 7px;
  color: #ffffffd9;
}
.classroom-product-cards h3 {
  font-size: 13px;
  line-height: 1.5;
  color: #fff;
  margin: 9px 0 0;
  overflow-wrap: anywhere;
}
.classroom-product-cards p {
  font-size: 10px;
  padding: 8px 12px;
  color: var(--brand-muted);
  min-height: 35px;
}
.classroom-product-cards article > span {
  font-size: 9px;
  display: block;
  border-top: 1px solid var(--brand-line);
  padding: 10px;
  color: var(--brand-muted);
}
.classroom-product-tabs {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--brand-blue-soft);
  margin-top: 22px;
  font-size: 11px;
  color: var(--brand-muted);
  padding: 12px 0;
}
.classroom-product-tabs span:first-child {
  color: var(--brand-blue);
}
.product-scene .scene-caption {
  position: static;
  margin-top: 18px;
  font-size: 10px;
}
.course-card h3 {
  font-size: 22px;
}
.course-card p {
  font-size: 14px;
}
@media (max-width: 800px) {
  .site-mobile-menu {
    display: block;
    position: relative;
    margin-left: auto;
  }
  .site-mobile-menu summary {
    cursor: pointer;
    list-style: none;
    border: 1px solid var(--brand-blue-soft);
    padding: 8px 11px;
    border-radius: 7px;
    font-size: 12px;
    color: var(--brand-blue-hover);
  }
  .site-mobile-menu > div {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 190px;
    background: #fff;
    box-shadow: 0 10px 35px color-mix(in srgb, var(--brand-navy) 14.9%, transparent);
    border: 1px solid var(--brand-blue-soft);
    border-radius: 10px;
    padding: 8px;
    z-index: 20;
  }
  .site-mobile-menu a {
    display: block;
    padding: 11px 13px;
    font-size: 14px;
    color: var(--brand-blue-hover);
  }
  .site-header .nav-auth .button {
    display: none;
  }
  .site-header nav {
    gap: 12px;
  }
  .site-header .nav-auth {
    margin-left: 0;
  }
  .site-header .login-link {
    font-size: 12px;
  }
  .hero-grid {
    gap: 25px;
  }
  .course-page-hero {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .course-page h1 {
    font-size: 32px;
  }
  .course-page-hero > div > p {
    font-size: 15px;
  }
  .course-enrollment {
    position: static;
    padding: 23px;
  }
  .course-page-sections h2 {
    font-size: 22px;
  }
  .support-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .support-section h2 {
    font-size: 26px;
  }
  .site-footer {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer > div:first-child {
    grid-column: 1/-1;
  }
  .classroom-product {
    padding: 18px;
  }
  .classroom-product-cards {
    gap: 7px;
  }
  .classroom-product-cards article > div {
    padding: 12px 8px;
  }
  .classroom-product-cards h3 {
    font-size: 11px;
  }
  .classroom-product-cards p {
    font-size: 9px;
  }
  .scene-caption {
    margin-bottom: 0 !important;
  }
}
@media (max-width: 480px) {
  .hero .product-scene {
    display: none;
  }
  .hero {
    padding-bottom: 45px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-copy > p {
    font-size: 15px;
  }
  .hero .actions .button {
    font-size: 13px;
  }
  .capability-strip {
    margin-top: -16px;
  }
  .section-title h2 {
    font-size: 27px;
  }
  .course-card p {
    font-size: 14px;
  }
  .faq-list summary {
    font-size: 15px;
  }
  .faq-list details p {
    font-size: 14px;
  }
}
.grade-course-group {
  margin-top: 32px;
  min-width: 0;
}
.grade-course-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.grade-course-heading > div {
  display: flex;
  align-items: center;
  gap: 12px;
}
.grade-course-heading h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.6px;
}
.grade-course-heading > div > span {
  font-size: 12px;
  color: var(--muted);
  background: var(--brand-blue-soft);
  padding: 5px 10px;
  border-radius: 20px;
}
.grade-swipe-hint {
  display: none;
  margin: 0;
  font-size: 11px;
  color: var(--muted);
}
.grade-course-row {
  grid-template-columns: none;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 64px) / 5);
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scroll-padding: 1px;
  padding: 2px 0 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--brand-blue-border) transparent;
}
.grade-course-row:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
  border-radius: 12px;
}
.grade-course-row .course-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
}
.grade-course-row .course-art {
  height: 108px;
  flex-shrink: 0;
}
.grade-course-row .course-art svg {
  height: 32px;
  width: 32px;
}
.grade-course-row .course-art > span {
  font-size: 7px;
  letter-spacing: 1px;
}
.grade-course-row .card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
  min-width: 0;
}
.grade-course-row h4 {
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 10px;
  letter-spacing: -0.3px;
}
.grade-course-row .card-content > p {
  font-size: 12px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.grade-course-row .course-bottom {
  margin-top: auto;
  padding-top: 14px;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}
.grade-course-row .course-bottom > a {
  font-size: 12px;
  white-space: normal;
}
@media (max-width: 800px) {
  .grade-course-row {
    grid-auto-columns: calc((100% - 24px) / 2.5);
    gap: 12px;
  }
  .grade-course-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .grade-course-heading h3 {
    font-size: 22px;
  }
  .grade-swipe-hint {
    display: block;
  }
  .grade-course-row .course-art {
    height: 76px;
  }
  .grade-course-row .course-art svg {
    height: 26px;
    width: 26px;
  }
  .grade-course-row .course-art > span {
    display: none;
  }
  .grade-course-row .card-content {
    padding: 12px;
  }
  .grade-course-row h4 {
    font-size: 15px;
    min-height: 22px;
    margin-bottom: 5px;
  }
  .grade-course-row .card-content > p {
    -webkit-line-clamp: 2;
    font-size: 11px;
    line-height: 1.55;
  }
  .grade-course-row .course-bottom {
    padding-top: 10px;
    margin-top: 12px;
  }
  .grade-course-row .course-bottom > a {
    font-size: 11px;
  }
  .grade-course-row .course-bottom > span {
    display: none;
  }
}

.course-lesson-outline li { overflow-wrap: anywhere; padding: 10px 4px; border-bottom: 1px solid var(--brand-line); }
.course-lesson-outline ol { padding-left: 24px; }

.course-art.course-art-image{padding:0;overflow:hidden}.course-art-image img{width:100%;height:100%;object-fit:cover;display:block}.hero-learning-art{display:block;width:100%;height:auto;border-radius:0}.course-detail-art{display:block;width:min(100%,400px);height:auto;border-radius:16px;margin-bottom:20px}

.hero .product-photo{display:block;margin:0;transform:rotate(1deg)}.hero-photo{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:20px;box-shadow:0 22px 60px color-mix(in srgb, var(--brand-navy) 25.1%, transparent)}.product-photo figcaption{font-size:11px;color:var(--brand-blue-soft);margin-top:12px;text-align:center}
.about-editorial{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.about-editorial h2{font-size:clamp(28px,3.5vw,42px);line-height:1.2;letter-spacing:-1px}.about-editorial h2 span{color:var(--brand-muted)}.about-editorial p.plain-content{line-height:1.8;color:var(--brand-muted);font-size:15px}.about-editorial figure{margin:0}.about-editorial img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:20px}.about-editorial figcaption{font-size:11px;color:var(--brand-muted);margin-top:8px}
.teacher-photo{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:12px;margin-bottom:14px}.sample-content-label{display:inline-block;font-size:10px;letter-spacing:.02em;line-height:1.5;padding:5px 8px;border-radius:6px;background:var(--brand-amber-soft);color:var(--brand-amber-text);margin-bottom:12px}.review-avatar{display:block;width:64px;height:64px;border-radius:50%;object-fit:cover;margin:4px 0 12px}.post-cover-link{display:block;margin-bottom:16px}.post-cover{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:10px}.article-cover{display:block;width:100%;height:auto;max-height:500px;object-fit:cover;border-radius:18px;margin:24px 0 32px}
@media(max-width:700px){.hero .product-photo{display:block;margin-top:28px;transform:none}.hero-photo{border-radius:14px}.about-editorial{grid-template-columns:1fr;gap:24px}.about-editorial figure{grid-row:1}.about-editorial p.plain-content{font-size:14px}.about-editorial img{aspect-ratio:3/2}.teacher-photo{max-height:260px}.article-cover{border-radius:10px}.quote-card .sample-content-label{font-size:10px}}

/* Mobile card strips: one full card plus half of the next, without page overflow. */
.mobile-card-hint{display:none}
@media(max-width:800px){
 .cards:is(.pricing-grid,.teacher-grid,.testimonial-grid,.posts-grid){
  display:grid;grid-template-columns:none;grid-auto-flow:column;
  grid-auto-columns:calc((100% - 12px)/1.5);gap:12px;
  width:100%;min-width:0;max-width:100%;overflow-x:auto;
  padding:4px 0 14px;scroll-snap-type:x proximity;
  overscroll-behavior-inline:contain;scrollbar-width:thin;
  align-items:stretch;
 }
 .cards:is(.pricing-grid,.teacher-grid,.testimonial-grid,.posts-grid):has(> :only-child){grid-auto-columns:100%}
 .cards:is(.pricing-grid,.teacher-grid,.testimonial-grid,.posts-grid)>article{min-width:0;scroll-snap-align:start;overflow-wrap:anywhere;padding:20px}
 .cards:is(.pricing-grid,.teacher-grid,.testimonial-grid,.posts-grid):focus-visible{outline:2px solid var(--brand-blue);outline-offset:4px}
 .pricing-grid .price{font-size:clamp(24px,7vw,32px);letter-spacing:-1px}
 .pricing-grid .price-card h3{font-size:20px}
 .pricing-grid .price-card .button{width:100%;min-width:0;padding-inline:10px;box-sizing:border-box;font-size:12px}
 .teacher-grid .teacher-photo{border-radius:9px}
 .teacher-grid .teacher-card h3{font-size:17px}
 .mobile-card-hint:has(+ .cards > article:nth-of-type(2)){display:block;text-align:right;font-size:11px;color:var(--brand-muted);margin:0 0 10px}
}

.website-logo{display:block;max-width:160px;max-height:64px;width:auto;height:auto;object-fit:contain;flex-shrink:0}.site-header .website-logo{max-height:46px;max-width:140px}.news-pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px;align-items:center}.news-pagination a{display:inline-flex;align-items:center;justify-content:center;min-width:38px;min-height:38px;padding:8px 12px;border:1px solid var(--brand-line);border-radius:8px;text-decoration:none;color:var(--brand-blue-hover);font-size:13px}.news-pagination a[aria-current=page]{background:var(--brand-blue);color:white;border-color:var(--brand-blue)}.news-pagination a:hover{box-shadow:0 0 0 2px var(--brand-blue-soft)}.news-pagination span{padding:6px;color:var(--brand-muted)}
@media(min-width:1101px){.posts-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(min-width:801px) and (max-width:1100px){.posts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.site-header .website-logo{max-width:84px;max-height:36px}.news-pagination{gap:5px}.news-pagination a{font-size:12px;padding:7px 9px;min-width:34px}}

#tin-tuc{scroll-margin-top:88px}
/* Shared VA brand identity. Cyan is an accent; amber actions retain dark readable ink. */
:root {--blue:var(--brand-blue);--navy:var(--brand-navy);--orange:var(--brand-amber);--muted:var(--brand-muted);--line:var(--brand-line);color:var(--brand-ink);accent-color:var(--brand-blue)}
.hero {background:radial-gradient(ellipse at 90% 5%,color-mix(in srgb,var(--brand-cyan) 32%,transparent),transparent 55%),linear-gradient(120deg,var(--brand-navy),var(--brand-blue) 64%,var(--brand-blue-hover))}
.hero h1 em,.hero-tag > span {color:var(--brand-amber)}
.hero-tag > span {background:var(--brand-amber)}
.hero-copy > p,.hero-benefits {color:#E2ECFF}
.primary {background:var(--brand-blue);color:var(--brand-white)}
.primary:hover {background:var(--brand-blue-hover)}
.orange {background:var(--brand-amber);color:var(--brand-navy);box-shadow:0 8px 24px color-mix(in srgb,var(--brand-amber) 20%,transparent)}
.orange:hover {background:var(--brand-amber-hover)}
.button.outline {color:var(--brand-blue);border-color:var(--brand-blue-border)}
.button.outline:hover {background:var(--brand-blue-soft)}
.tool-icon.orange-icon {background:var(--brand-amber-soft);color:var(--brand-amber-text)}
.tool-icon:is(.green,.violet) {background:var(--brand-cyan-soft);color:var(--brand-teal)}
.eyebrow {color:var(--brand-blue)}
.cta-banner {background:radial-gradient(ellipse at 100% 0,color-mix(in srgb,var(--brand-cyan) 24%,transparent),transparent 70%),var(--brand-navy)}
.cta-banner .eyebrow {color:var(--brand-cyan-light)}
.news-pagination a[aria-current="page"] {background:var(--brand-blue);color:var(--brand-white);border-color:var(--brand-blue)}
a:focus-visible,summary:focus-visible {outline:3px solid var(--brand-blue);outline-offset:4px}
.hero a:focus-visible,.cta-banner a:focus-visible {outline-color:var(--brand-cyan-light)}

/* VA homepage — model 01. Isolated from course/article pages and learning portals. */
.va-public{font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.5;color:#102b4d;background:#f0f7ff}
.va-public :is(.button,.course-card,.price-card,.teacher-card,.post-card,.grade-course-group,.capability-strip,.news-pagination a,.hero-photo,.tool-icon,.website-logo){border-radius:2px}
.va-public .container{width:min(1320px,calc(100% - 80px))}
.va-public .site-header{position:relative;background:white;border-bottom:1px solid #dce7f3;box-shadow:none}
.va-public .site-header nav{height:64px;min-height:64px;gap:28px}
.va-public .brand{gap:10px;flex-shrink:0;font-weight:800;font-size:22px;color:#0752ce;letter-spacing:-.6px}
.va-public .site-header .website-logo{max-width:142px;max-height:46px}
.va-public .brand small{display:none}
.va-public .brand-mark{width:32px;height:32px;padding:5px;border-radius:2px}
.va-public .nav-links{gap:26px;margin-left:auto;margin-right:auto;font-size:12px;font-weight:650}
.va-public .nav-auth{gap:18px;font-size:12px;flex-shrink:0}
.va-public .button{min-height:38px;padding:9px 20px;gap:12px;font-size:12px;font-weight:700;line-height:1.4;box-shadow:none;white-space:nowrap}
.va-public .nav-auth .button{min-height:34px;padding:8px 18px}
.va-public .model-hero{position:relative;isolation:isolate;background:#051d38;overflow:hidden;padding:0;color:white}
.va-public .model-hero-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;aspect-ratio:auto;border-radius:0;box-shadow:none;z-index:-2}
.va-public .model-hero:after{content:"";position:absolute;inset:0;width:auto;height:auto;border:0;border-radius:0;z-index:-1;background:linear-gradient(90deg,#031c38 0%,#03224cbb 24%,transparent 59%);pointer-events:none}
.va-public .hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;min-height:430px;padding-block:48px}
.va-public .hero-copy{max-width:570px;position:relative;z-index:1}
.va-public .hero-copy h1{font-size:clamp(42px,5.2vw,76px);font-weight:850;line-height:1.02;letter-spacing:-2.6px;margin:0 0 18px;color:white}
.va-public .hero-copy h1 em{font-style:normal;color:#ffb31e}
.va-public .hero-copy>p{font-size:17px;line-height:1.65;max-width:440px;margin:0 0 22px;color:#ecf4ff;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.va-public .hero-copy .actions{display:flex;flex-wrap:wrap;gap:16px;margin:0}
.va-public .hero-copy .orange{background:linear-gradient(120deg,#ffb72f,#ffaa1d);color:#082744;box-shadow:0 4px 18px #ffaa1d15}
.va-public .hero-copy .light{background:#082c5040;border:1px solid #e7f0ff;color:#fff}
.va-public .hero-motto{align-self:start;justify-self:start;margin:25px 0 0 10px;font-family:Georgia,serif;font-style:italic;font-size:24px;line-height:1.55;max-width:220px;color:#e3efff;text-shadow:0 2px 8px #082744}
.va-public .hero-motto span{display:block;width:62px;height:3px;background:#ffb31e;transform:rotate(-14deg);margin-top:10px}
.va-public .capability-strip{position:relative;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:20px 0;background:#fff;border:none;box-shadow:none;transform:none}
.va-public .capability-strip:before{content:"";position:absolute;inset:0 calc((min(1320px,100vw - 80px) - 100vw)/2);background:#fff;z-index:-1}
.va-public .capability-strip>div{gap:12px;min-width:0;align-items:center}
.va-public .capability-strip .tool-icon{width:42px;height:42px;flex-shrink:0;padding:7px;background:transparent}
.va-public .capability-strip .tool-icon svg{width:32px;height:32px;stroke-width:2.2}
.va-public .capability-strip .red{color:#ef3e58}.va-public .capability-strip .cyan{color:#00aace}
.va-public .capability-strip p{margin:0}.va-public .capability-strip strong{font-size:12px;color:#102b4d;line-height:1.4}.va-public .capability-strip small{font-size:10px;color:#526680;line-height:1.5;margin-top:3px}
.va-public .section{padding-block:24px}
.va-public .section-title{margin-bottom:16px;gap:20px;align-items:center}
.va-public .section-title h2{position:relative;font-size:24px;letter-spacing:-.7px;line-height:1.3;margin:0;padding-bottom:8px;font-weight:800;color:#0b2344}
.va-public .section-title h2:after{content:"";position:absolute;bottom:0;left:0;width:34px;height:3px;background:#ffaa1d}
.va-public .text-link{font-size:12px;font-weight:650;color:#0754d8;white-space:nowrap}
.va-public .courses-section{background:linear-gradient(115deg,#eff8ff,#eaf4fe);padding:0}
.va-public .grade-course-group{background:#ffffff94;padding:16px;margin:0 0 14px;border:1px solid #f8fcff}
.va-public .grade-course-group:last-child{margin-bottom:0}
.va-public .grade-course-heading{display:flex;flex-direction:row;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.va-public .grade-course-heading>div{display:flex;align-items:baseline;gap:16px;min-width:0}
.va-public .grade-course-heading h3{font-size:24px;font-weight:800;letter-spacing:-.6px;line-height:1.2;margin:0;color:#0754d8}
.va-public .grade-course-heading span{background:none;padding:0;font-size:12px;color:#4b6384;border:none}
.va-public .grade-swipe-hint{display:none}
.va-public .grade-course-row{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/5);gap:12px;padding:0;align-items:stretch;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:thin}
.va-public .grade-course-row .course-card{position:relative;isolation:isolate;min-height:152px;min-width:0;overflow:hidden;border:none;background:#e3f1ff;box-shadow:none;display:flex;scroll-snap-align:start;color:#104484}
.va-public .grade-course-row .course-card:hover{transform:none;box-shadow:inset 0 0 0 2px #0b4ed877}
.va-public .grade-course-row .course-art{position:absolute;inset:0 0 0 auto;height:auto;width:64%;margin:0;background-image:url('/images/va-subject-atlas-v1.webp');background-size:500% 100%;background-repeat:no-repeat;z-index:-1;border-radius:0;mask-image:linear-gradient(90deg,transparent,#000 25%)}
.va-public .subject-physics{background:#fff0e6!important}.va-public .subject-chemistry{background:#e2f9f2!important}.va-public .subject-literature{background:#ffe8ee!important}.va-public .subject-english{background:#eeeaff!important}
.va-public .subject-math .course-art,.va-public .subject-learning .course-art{background-position:0% 50%}.va-public .subject-physics .course-art{background-position:25% 50%}.va-public .subject-chemistry .course-art{background-position:50% 50%}.va-public .subject-literature .course-art{background-position:75% 50%}.va-public .subject-english .course-art{background-position:100% 50%}
.va-public .grade-course-row .card-content{padding:12px 13px;display:flex;flex-direction:column;width:100%;flex:1;min-width:0;align-items:flex-start}
.va-public .grade-course-row h4{font-size:18px;line-height:1.25;letter-spacing:-.4px;margin:0;max-width:100%;font-weight:750;color:#092f6b;min-height:0}
.va-public .grade-course-row h4 a:after{content:"";position:absolute;inset:0}
.va-public .course-grade{font-size:10px;line-height:1.4;font-weight:600;margin:2px 0 6px;color:#3b5474}
.va-public .grade-course-row .card-content>p{font-size:11px;line-height:1.5;width:56%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:5px 0 10px;color:#204c85;text-wrap:pretty}
.va-public .subject-physics .card-content>p{color:#844225}.va-public .subject-chemistry .card-content>p{color:#1a665b}.va-public .subject-literature .card-content>p{color:#8c3650}.va-public .subject-english .card-content>p{color:#49388d}
.va-public .grade-course-row .course-bottom{margin-top:auto;padding:0;display:flex;align-items:flex-start;min-height:22px;width:100%}
.va-public .grade-course-row .course-bottom>a{display:flex;align-items:center;justify-content:center;width:24px!important;height:24px!important;min-width:24px;border-radius:50%!important;padding:0!important;background:#0754d8;color:white;border:1px solid #fff;font-size:16px!important;line-height:1}
.va-public .subject-physics .course-bottom>a{background:#df641d}.va-public .subject-chemistry .course-bottom>a{background:#008a72}.va-public .subject-literature .course-bottom>a{background:#db315b}.va-public .subject-english .course-bottom>a{background:#6137db}
.va-public .model-teachers{background:#fff}
.va-public .teacher-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;align-items:start}
.va-public .teacher-card{padding:0;border:1px solid #e6edf5;box-shadow:0 3px 8px #173f6710;overflow:hidden;background:white;min-width:0}
.va-public .teacher-photo{display:block;width:100%;aspect-ratio:2/1.13;height:auto;object-fit:cover;object-position:center 25%;margin:0;border-radius:0}
.va-public .teacher-card h3{margin:10px 12px 3px;font-size:13px;line-height:1.4;color:#092746;font-weight:750}
.va-public .teacher-card>small{display:block;margin:0 12px 10px;font-size:11px;color:#0754d8}
.va-public .teacher-bio{margin:0 12px 10px;font-size:11px;color:#4b6384}
.va-public .teacher-bio summary{cursor:pointer;color:#527298;font-size:10px;list-style:none}
.va-public .teacher-bio summary:after{content:" +"}.va-public .teacher-bio[open] summary:after{content:" −"}
.va-public .teacher-bio p{font-size:11px;margin:8px 0;line-height:1.6}
.va-public .model-pricing{padding:26px 0;background:radial-gradient(ellipse at 55% 90%,#0754d8 0%,transparent 65%),linear-gradient(110deg,#06223e,#053c84 60%,#061f3c);color:#fff}
.va-public .pricing-layout{display:grid;grid-template-columns:1.05fr 1.9fr;gap:32px;align-items:center}
.va-public .pricing-intro{position:relative;min-width:0}.va-public .pricing-intro>svg{position:absolute;right:5px;top:0;width:90px;height:90px;color:#ffffff12;stroke-width:1}
.va-public .pricing-intro h2{font-size:28px;font-weight:750;line-height:1.25;letter-spacing:-.8px;margin:0 0 16px;color:#fff}
.va-public .pricing-intro p{font-size:14px;color:#d5e7ff;line-height:1.6;max-width:320px;margin:0}
.va-public .pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:none;margin:0;align-items:stretch}
.va-public .price-card,.va-public .price-card.premium{display:flex;flex-direction:column;position:relative;padding:16px;background:linear-gradient(135deg,#fff,#eef6ff);color:#16304f;border:1px solid #c8dbed;box-shadow:0 2px 8px #02152a18;text-align:left;min-width:0}
.va-public .price-card.premium:nth-child(2){border:2px solid #ffaa1d;padding:15px}
.va-public .plan-symbol{color:#0b74ed;font-size:27px;line-height:1;margin-bottom:8px;font-weight:700}.va-public .premium .plan-symbol{color:#b66a00}
.va-public .plan-symbol svg{width:28px;height:28px;stroke-width:2}.va-public .skip-link:not(:focus){clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap;top:0;padding:0}
.va-public .price-card h3{font-size:16px;line-height:1.3;color:#0c264a;margin:0 0 8px;font-weight:750}
.va-public .price-card .price{font-size:20px;letter-spacing:-.5px;line-height:1.3;white-space:nowrap;color:#0a3265;margin-bottom:8px}
.va-public .price-card>p{font-size:11px;line-height:1.6;color:#4a6384;margin:0 0 14px;flex:1}
.va-public .price-card .button{width:100%;min-width:0;font-size:11px;padding:8px 10px;min-height:34px;justify-content:center}
.va-public #tin-tuc{padding-block:24px;background:transparent}
.va-public .posts-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.va-public .post-card{padding:0;border:1px solid #e2ebf5;background:#fff;overflow:hidden;box-shadow:none;min-width:0}
.va-public .post-cover-link{display:block;margin:0}.va-public .post-cover{display:block;border-radius:0;width:100%;height:auto;aspect-ratio:2.4/1;object-fit:cover}
.va-public .post-card .card-category{font-size:8px;letter-spacing:.6px;margin:10px 12px 0;display:block;color:#69809d}
.va-public .post-card h3{font-size:14px;line-height:1.45;letter-spacing:-.2px;margin:6px 12px 10px;color:#0a264b}
.va-public .post-card>p{display:none}.va-public .post-card>.text-link{display:block;margin:0 12px 12px;font-size:10px;color:#56759b}
.va-public .news-pagination{gap:6px;margin-top:18px}.va-public .news-pagination a{min-width:28px;min-height:28px;font-size:11px;padding:4px 8px;border-radius:2px}
.va-public .homepage-more{background:#fff;border:1px solid #e0ebf5;margin-block:0 20px;font-size:12px;border-radius:2px}
.va-public .homepage-more>summary{padding:12px 16px;cursor:pointer;color:#476180}
.va-public .homepage-more .container{width:calc(100% - 40px)}
.va-public .homepage-more .about-editorial{gap:30px}.va-public .homepage-more .section{padding-block:30px}
.va-public .homepage-more :is(.about-editorial h2,.section-title h2,.support-section h2){font-size:25px}
.va-public .homepage-more .faq-section{padding-block:24px;gap:32px}
.va-public .model-footer{background:#08243f;color:#dfeaff;padding:22px 0}
.va-public .model-footer>.container{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.va-public .model-footer .brand{color:#fff;min-width:0;font-size:18px;letter-spacing:0}
.va-public .model-footer .website-logo{height:40px;width:auto;max-width:120px;background:#fff;padding:3px 8px;border-radius:2px}
.va-public .model-footer p{font-size:11px;margin:0;color:#c1d3e9}
.va-public .model-footer nav{display:flex;gap:20px;align-items:center;margin-left:auto;font-size:11px;flex-wrap:wrap}
.va-public .footer-top{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid #456480;border-radius:2px}
@media(min-width:1600px){.va-public .hero-grid{min-height:480px}}
@media(max-width:1100px){
 .va-public .container{width:calc(100% - 48px)}.va-public .nav-links{gap:16px}.va-public .nav-auth{gap:12px}.va-public .hero-grid{min-height:360px;padding-block:36px}.va-public .hero-copy h1{font-size:60px}.va-public .hero-copy>p{font-size:15px;max-width:350px}.va-public .hero-motto{font-size:20px}
 .va-public .capability-strip{gap:12px;padding-block:16px}.va-public .capability-strip:before{inset-inline:-24px}.va-public .capability-strip>div{gap:8px}.va-public .capability-strip strong{font-size:10px}.va-public .capability-strip small{font-size:9px}.va-public .capability-strip .tool-icon{width:34px;height:34px;padding:3px}
 .va-public .grade-course-row .card-content{padding:10px}.va-public .grade-course-row h4{font-size:16px}.va-public .grade-course-row .course-card{min-height:140px}.va-public .grade-course-row .card-content>p{font-size:10px;width:60%}
 .va-public .pricing-layout{gap:22px;grid-template-columns:.9fr 2fr}.va-public .pricing-intro h2{font-size:23px}.va-public .pricing-grid{gap:10px}.va-public .price-card,.va-public .price-card.premium{padding:12px}.va-public .price-card.premium:nth-child(2){padding:11px}.va-public .price-card .price{font-size:17px}.va-public .price-card h3{font-size:14px}
}
@media(max-width:800px){
 .va-public .container{width:calc(100% - 32px)}.va-public .site-header nav{height:60px;min-height:60px;gap:14px}.va-public .nav-links{display:none}.va-public .nav-auth{margin-left:auto}.va-public .site-mobile-menu{display:block;order:3}.va-public .site-mobile-menu summary{font-size:12px;border-radius:2px;padding:7px 10px}.va-public .site-mobile-menu>div{right:0;left:auto;min-width:200px;border-radius:2px}.va-public .site-mobile-menu a{display:block;padding:10px 16px}
 .va-public .hero-grid{min-height:330px;grid-template-columns:1fr 1fr;gap:8px;padding-block:30px}.va-public .hero-copy h1{font-size:48px;letter-spacing:-1.8px}.va-public .hero-copy>p{font-size:13px;max-width:290px}.va-public .hero-copy .actions{gap:10px}.va-public .button{padding:8px 14px;min-height:36px;font-size:11px}.va-public .hero-motto{display:none}
 .va-public .capability-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:16px 0}.va-public .capability-strip:before{inset-inline:-16px}.va-public .capability-strip strong{font-size:11px}.va-public .capability-strip small{font-size:10px}
 .va-public .section{padding-block:18px}.va-public .section-title{margin-bottom:14px}.va-public .section-title h2{font-size:21px}.va-public .text-link{font-size:10px}
 .va-public .grade-course-group{padding:12px;margin-bottom:12px}.va-public .grade-course-heading{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px}.va-public .grade-course-heading>div{gap:10px}.va-public .grade-course-heading h3{font-size:20px}.va-public .grade-course-heading span{font-size:10px}.va-public .grade-course-heading>.text-link{display:none}.va-public .grade-swipe-hint{display:block;width:100%;font-size:9px;color:#607c9c;margin:0;text-align:right}
 .va-public .grade-course-row{grid-auto-columns:calc((100% - 24px)/2.5);gap:12px;padding:0 0 6px}.va-public .grade-course-row .course-card{min-height:158px}.va-public .grade-course-row .card-content{padding:10px}.va-public .grade-course-row h4{font-size:15px}.va-public .grade-course-row .card-content>p{font-size:10px;width:76%;-webkit-line-clamp:2}.va-public .grade-course-row .course-bottom{padding:0;margin-top:auto}
 .va-public .cards:is(.teacher-grid,.pricing-grid,.posts-grid){display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - 12px)/1.5);gap:12px;overflow-x:auto;padding:0 0 8px;scroll-snap-type:x proximity}
 .va-public .cards.teacher-grid>article,.va-public .cards.posts-grid>article{padding:0}.va-public .teacher-photo{max-height:none;border-radius:0}.va-public .teacher-card h3{font-size:13px}.va-public .teacher-card>small{font-size:11px}.va-public .mobile-card-hint{display:none!important}
 .va-public .model-pricing{padding:22px 0}.va-public .pricing-layout{display:block}.va-public .pricing-intro{margin-bottom:18px}.va-public .pricing-intro h2{font-size:24px;margin-bottom:8px}.va-public .pricing-intro h2 br{display:none}.va-public .pricing-intro p{font-size:12px;max-width:none}.va-public .pricing-grid .price-card,.va-public .pricing-grid .price-card.premium{padding:16px}.va-public .price-card .price{font-size:22px}.va-public .price-card h3{font-size:17px}.va-public .price-card>p{font-size:12px}.va-public .price-card .button{font-size:12px;min-height:36px}
 .va-public .post-card h3{font-size:14px}.va-public .model-footer>.container{justify-content:center;gap:14px;text-align:center}.va-public .model-footer nav{margin-left:0;justify-content:center;width:100%;gap:14px}.va-public .footer-top{display:none}
 .va-public .homepage-more .container{width:calc(100% - 24px)}.va-public .homepage-more .faq-section{display:block}.va-public .homepage-more .support-section{grid-template-columns:1fr;gap:20px}
}
@media(max-width:560px){
 .va-public .site-header .website-logo{max-width:88px;max-height:38px}.va-public .nav-auth .button{display:none}.va-public .nav-auth .login-link{display:block;font-size:11px}.va-public .site-header nav{gap:12px}.va-public .brand{font-size:18px}.va-public .brand-mark{width:26px;height:26px}
 .va-public .hero-grid{min-height:350px;display:block;padding-block:32px}.va-public .model-hero-background{object-position:64% center;opacity:.6}.va-public .model-hero:after{background:linear-gradient(90deg,#031c38ee,#031c38b3 48%,#031c3822)}.va-public .hero-copy{width:90%;max-width:330px}.va-public .hero-copy h1{font-size:49px;margin-bottom:15px}.va-public .hero-copy>p{font-size:13px;max-width:260px;-webkit-line-clamp:3;margin-bottom:20px}.va-public .hero-copy .button{font-size:11px;padding:9px 12px}.va-public .hero-copy .actions{gap:8px}
 .va-public .capability-strip{gap:14px 10px}.va-public .capability-strip .tool-icon{width:30px;height:30px;padding:0}.va-public .capability-strip .tool-icon svg{width:28px;height:28px}.va-public .capability-strip strong{font-size:10px}.va-public .capability-strip small{font-size:9px}.va-public .capability-strip>div{gap:8px}
 .va-public .section-title h2{font-size:19px}.va-public .section-title{gap:10px}.va-public .section-title .text-link{font-size:9px}.va-public .grade-course-group{padding:10px}.va-public .grade-course-heading span{font-size:9px}.va-public .grade-course-row .card-content{padding:8px}.va-public .grade-course-row h4{font-size:13px}.va-public .course-grade{font-size:9px}.va-public .grade-course-row .card-content>p{font-size:9px;width:95%;-webkit-line-clamp:2}.va-public .grade-course-row .course-card{min-height:150px}.va-public .grade-course-row .course-bottom>a{width:22px;height:22px;min-width:22px;font-size:14px}
 .va-public .pricing-intro h2{font-size:22px}.va-public .model-footer .brand{font-size:16px}.va-public .model-footer nav{gap:12px;font-size:10px}
}
@media(prefers-reduced-motion:reduce){.va-public{scroll-behavior:auto}.va-public *{scroll-behavior:auto!important;transition:none!important}}

/* Supporting content uses the same compact editorial grid as model 01. */
.va-public .model-testimonials{padding-block:24px}
.va-public .section-caption{font-size:12px;color:#58718e}
.va-public .testimonial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.va-public .quote-card{position:relative;padding:18px 20px;background:#fff;border:1px solid #dce8f4;border-radius:2px;min-width:0;box-shadow:none}
.va-public .quote-card blockquote{font-size:13px;line-height:1.75;color:#36506d;margin:8px 0 16px}
.va-public .quote-mark{font-size:36px;line-height:1;color:#ffaa1d;display:block;height:24px}
.va-public .quote-card>strong{font-size:12px;color:#14395f}.va-public .quote-card>p{font-size:11px;margin:5px 0;color:#607996}
.va-public .quote-card .rating{color:#865000}.va-public .quote-card .review-avatar{width:44px;height:44px;border-radius:2px;float:right;margin:0 0 8px 12px}
.va-public .model-faq{display:grid;grid-template-columns:1fr 1.7fr;gap:48px;padding-block:28px 32px;border-top:1px solid #dce8f4}
.va-public .model-faq .section-title{display:block;align-self:start;margin:0}.va-public .model-faq .section-title h2{font-size:24px}.va-public .model-faq .section-title p{font-size:13px;color:#60718a;margin:14px 0}
.va-public .model-faq .faq-list{display:grid;gap:8px}.va-public .model-faq details{border:1px solid #d9e6f4;background:#fff;padding:0;border-radius:2px}
.va-public .model-faq summary{padding:13px 16px;font-size:13px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:18px;color:#193b60}
.va-public .model-faq summary:after{content:"+";font-size:19px;color:#0754d8;line-height:1;flex-shrink:0}.va-public .model-faq details[open] summary:after{content:"−"}
.va-public .model-faq details p{padding:0 16px 16px;margin:0;font-size:12px;line-height:1.8;color:#526b88}
.va-public .model-footer>.footer-contact{display:grid;grid-template-columns:1.15fr 1fr .85fr 1.2fr;align-items:start;gap:30px;padding:10px 0 28px;text-align:left;border-bottom:1px solid #ffffff24}
.va-public .footer-contact-intro h2{color:#fff;font-size:22px;letter-spacing:-.4px;margin:0 0 12px;line-height:1.3}.va-public .footer-contact-intro p{font-size:12px;line-height:1.8;color:#afc6df;max-width:280px}
.va-public .footer-contact-item{display:flex;align-items:flex-start;gap:12px;min-width:0;padding-top:5px}
.va-public .footer-contact-item>svg{width:24px;height:24px;flex-shrink:0;color:#ffbb41;stroke-width:1.7}
.va-public .footer-contact-item h3{font-size:12px;font-weight:700;margin:0 0 8px;color:#fff}.va-public .footer-contact-item a,.va-public .footer-contact-item p{font-size:12px;line-height:1.8;color:#c9ddf4;overflow-wrap:anywhere;margin:0}
.va-public .footer-contact-item a:hover{color:#ffbb41;text-decoration:underline}.va-public .model-footer>.footer-links{padding-top:22px}
@media(max-width:1000px){.va-public .model-footer>.footer-contact{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.va-public .model-faq{gap:28px}}
@media(max-width:800px){
 .va-public .cards.testimonial-grid{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - 12px)/1.5);gap:12px;overflow-x:auto;scroll-snap-type:x proximity;padding:0 0 8px}
 .va-public .cards.testimonial-grid>article{padding:16px;scroll-snap-align:start}.va-public .section-caption{font-size:10px}.va-public .model-testimonials .section-title{align-items:start;flex-direction:column;gap:6px}
 .va-public .model-faq{grid-template-columns:1fr;gap:18px;padding-block:24px}.va-public .model-faq .section-title h2{font-size:21px}.va-public .model-faq summary{font-size:12px;padding:12px 14px}
 .va-public .footer-contact-intro h2{font-size:21px}.va-public .model-footer>.footer-contact{gap:24px 18px}.va-public .footer-contact-item{gap:10px}.va-public .footer-contact-item>svg{width:20px;height:20px}
}
@media(max-width:480px){.va-public .model-footer>.footer-contact{grid-template-columns:1fr;gap:20px}.va-public .footer-contact-intro p{max-width:none}.va-public .footer-contact-item{padding-top:0}.va-public .footer-contact-item h3{margin-bottom:4px}.va-public .model-footer>.footer-links{padding-top:20px}.va-public .model-testimonials .section-title h2{font-size:18px}}

/* Shared Vietnamese typography and public detail pages. */
.va-public{font-family:"Noto Sans","Segoe UI",Arial,sans-serif;overflow-wrap:break-word;}
.va-public :is(h1,h2,h3,h4,.button,.nav-links,.nav-auth,.course-section-nav){font-family:"Be Vietnam Pro","Noto Sans",sans-serif;}
.va-public :is(main,section,header,nav,aside,article,figure,div){min-width:0;box-sizing:border-box;}
.va-public img{max-width:100%;}.va-public .trial-mobile{display:none;}
.va-public .site-header nav{position:relative;}.va-public .site-mobile-menu>div{max-width:calc(100vw - 32px);box-sizing:border-box;}
.va-public .site-header .brand{min-width:0;flex-shrink:1;}.va-public .site-header .brand>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.va-public .capability-strip:before{display:none;}.va-public:has(.capability-strip){background:linear-gradient(#fff 0 650px,#f0f7ff 650px);}
.va-detail{background:#f1f7fd;}.va-detail :is(.course-page,.article){max-width:1320px;margin-inline:auto;padding-block:26px 36px;}
.va-detail .back-link{margin-bottom:20px;font-size:12px;}.va-detail .eyebrow{font-size:10px;letter-spacing:1.4px;margin:0 0 14px;color:#0b4ed8;}
.va-detail .course-page-hero{position:relative;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.8fr) minmax(270px,1fr);gap:34px;padding:34px;background:linear-gradient(120deg,#fff,#e4f4ff);border:1px solid #dce8f4;border-top:3px solid #0b4ed8;border-radius:2px;margin:0;align-items:center;}
.va-detail .course-introduction{position:relative;min-width:0;}.va-detail .course-introduction h1{font-size:clamp(28px,3.4vw,44px);line-height:1.3;letter-spacing:-1px;margin:0 0 18px;color:#092b55;max-width:75%;}
.va-detail .course-visual{float:right;width:30%;max-width:240px;margin:0 0 12px 22px;}.va-detail .course-visual img{display:block;width:100%;height:auto;border-radius:2px;mix-blend-mode:multiply;}
.va-detail .course-facts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}.va-detail .course-facts>span{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;font-size:10px;background:#fff;border:1px solid #d9e7f7;color:#245884;border-radius:2px;}.va-detail .course-facts svg{width:14px;height:14px;}
.va-detail .course-introduction>p{font-size:14px;line-height:1.85;color:#48617d;margin:0 0 14px;}.va-detail .course-enrollment{position:static;border:1px solid #d7e5f5;border-radius:2px;padding:22px;background:#fff;box-shadow:0 6px 20px #10365508;min-width:0;}.va-detail .course-enrollment h2{font-size:19px;line-height:1.4;margin:0 0 12px;}.va-detail .course-enrollment p{font-size:12px;line-height:1.8;margin:0 0 16px;}.va-detail .course-enrollment .button{width:100%;justify-content:center;white-space:normal;text-align:center;}.va-detail .course-enrollment>a:not(.button){font-size:11px;margin-top:12px;display:block;}
.va-detail .course-section-nav{display:flex;gap:8px;padding:14px 0;margin-bottom:8px;flex-wrap:wrap;}.va-detail .course-section-nav a{padding:8px 14px;background:white;border:1px solid #dce7f4;border-radius:2px;color:#215487;font-size:12px;}.va-detail .course-section-nav a:hover{background:#e4f0ff;border-color:#0b4ed8;}
.va-detail .course-page-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:0;max-width:none;width:100%;}.va-detail .course-page-sections>section{padding:24px;border:1px solid #dce8f4;background:#fff;border-radius:2px;margin:0;}.va-detail .course-page-sections>section:is(.course-lesson-outline,#goi-khoa-hoc){grid-column:1/-1;}.va-detail .course-page-sections h2{font-size:20px;line-height:1.5;margin:0 0 14px;padding-left:12px;border-left:3px solid #ffaa1d;}.va-detail .course-page-sections :is(p,li){font-size:13px;line-height:1.9;color:#48617d;}.va-detail .course-page-sections li{padding:7px 2px;}.va-detail .course-page-sections :is(ul,ol){padding-left:22px;margin:0;}.va-detail .course-lesson-outline ol{list-style:decimal-leading-zero;}.va-detail #goi-khoa-hoc .pricing-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));max-width:850px;}.va-detail #goi-khoa-hoc .price-card{padding:20px;}.va-detail #goi-khoa-hoc .price{font-size:26px;}
.va-detail .article-page{width:min(1200px,calc(100% - 80px));max-width:1200px;}.va-detail .article-hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:36px;padding:30px;background:white;border:1px solid #dce8f4;border-top:3px solid #0b4ed8;border-radius:2px;}.va-detail .article-hero h1{font-size:clamp(27px,3vw,40px);line-height:1.4;letter-spacing:-.9px;margin:0 0 16px;}.va-detail .article-summary{font-size:15px;line-height:1.85;color:#52708e;margin:0 0 18px;}.va-detail .article-cover{display:block;aspect-ratio:3/2;width:100%;height:auto;margin:0;object-fit:cover;border-radius:2px;}
.va-detail .article-layout{display:grid;grid-template-columns:minmax(0,2.3fr) minmax(230px,1fr);align-items:start;gap:24px;margin-top:24px;}.va-detail .article-body{background:#fff;border:1px solid #e0eaf5;border-radius:2px;padding:28px 32px;margin:0;font-family:"Noto Sans",sans-serif;white-space:normal;font-size:16px;line-height:1.95;color:#324e6c;overflow-wrap:anywhere;}.va-detail .article-body>p{white-space:pre-line;margin:0 0 26px;}.va-detail .article-body>p:last-child{margin-bottom:0;}.va-detail .article-study-card{padding:24px;border:1px solid #d5e6fa;background:linear-gradient(135deg,#fff,#e4f2ff);border-radius:2px;}.va-detail .article-study-card h2{font-size:19px;line-height:1.5;margin:14px 0;}.va-detail .article-study-card p{font-size:13px;line-height:1.8;color:#52708e;margin:0 0 18px;}.va-detail .article-study-card .button{width:100%;white-space:normal;justify-content:center;text-align:center;}.va-detail .article-study-card>.text-link{display:block;text-align:center;margin-top:14px;font-size:11px;}
.va-detail .latest-posts{margin-top:32px;border-top:1px solid #d9e6f3;padding-top:24px;}.va-detail .latest-posts .post-card>div{padding:14px;}.va-detail .latest-posts .post-card h3{margin:0 0 12px;font-size:14px;}.va-detail .latest-posts .post-card p{font-size:12px;line-height:1.7;color:#58718c;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.va-detail .latest-posts .post-card .text-link{font-size:11px;}
@media(max-width:1000px){.va-detail .course-page-hero{gap:22px;padding:24px;}.va-detail .course-visual{width:26%;margin-left:12px;}.va-detail .course-introduction h1{max-width:none;}.va-detail .article-hero{gap:24px;padding:24px;}.va-detail .article-page{width:calc(100% - 48px);}}
@media(max-width:800px){
 .va-public .nav-auth{gap:6px;margin-left:auto;display:flex;align-items:center;}.va-public .nav-auth .login-link{display:inline-flex;align-items:center;min-height:34px;padding:7px 9px;border:1px solid #d4e1f3;border-radius:2px;font-size:11px;white-space:nowrap;color:#15436e;}.va-public .nav-auth .button{display:inline-flex;padding:7px 10px;min-height:34px;font-size:11px;}.va-public .trial-desktop{display:none;}.va-public .trial-mobile{display:inline;}.va-public .site-header nav{gap:10px;}.va-public .site-mobile-menu{margin:0;flex-shrink:0;}.va-public .site-mobile-menu summary{font-size:11px;padding:7px 9px;min-height:34px;}.va-public .site-header .website-logo{max-width:90px;}
 .va-detail .course-page-hero{grid-template-columns:1fr;padding:22px;gap:18px;}.va-detail .course-visual{width:25%;max-width:130px;}.va-detail .course-introduction h1{font-size:29px;}.va-detail .course-page-sections{grid-template-columns:1fr;gap:14px;}.va-detail .course-page-sections>section{padding:20px;}.va-detail .course-enrollment{padding:20px;}.va-detail .course-page-sections h2{font-size:19px;}.va-detail .article-page{width:calc(100% - 32px);}.va-detail .article-hero{grid-template-columns:1fr;gap:20px;padding:22px;}.va-detail .article-hero h1{font-size:29px;}.va-detail .article-cover{aspect-ratio:16/9;}.va-detail .article-layout{grid-template-columns:1fr;gap:18px;margin-top:18px;}.va-detail .article-body{padding:24px;font-size:15px;line-height:1.95;}.va-detail .article-study-card{padding:20px;}.va-detail .article-study-card h2{margin-top:0;}.va-detail .article-study-card .tool-icon{display:none;}.va-detail .latest-posts .posts-grid{grid-auto-columns:calc((100% - 12px)/1.5);}.va-detail .latest-posts .post-card>div{padding:12px;}
}
@media(max-width:380px){.va-public .site-header .website-logo{max-width:68px;}.va-public .site-header nav{gap:6px;}.va-public .nav-auth{gap:4px;}.va-public .nav-auth .login-link,.va-public .nav-auth .button{font-size:10px;padding-inline:7px;}.va-public .site-mobile-menu summary{font-size:10px;padding-inline:7px;}.va-detail .course-page-hero,.va-detail .article-hero{padding:18px;}.va-detail .course-introduction h1,.va-detail .article-hero h1{font-size:25px;}.va-detail .article-body{padding:20px;font-size:14px;}}
.public-locale{display:inline-flex;padding:6px;border:1px solid #d5e1f1;border-radius:2px;font:600 11px "Be Vietnam Pro",sans-serif;}.mobile-locale{display:none;}
.capability-strip:has(>div:nth-child(1):last-child){grid-template-columns:1fr;}.capability-strip:has(>div:nth-child(2):last-child){grid-template-columns:repeat(2,minmax(0,1fr));}.capability-strip:has(>div:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr));}
@media(max-width:800px){.public-locale{display:none;}.site-mobile-menu .mobile-locale{display:block;}}

.footer-contact-intro:only-child{grid-column:1/-1;}
.public-protected-video,.academy-player{position:relative}.public-protected-video{background:#101820}.public-protected-video video{display:block;width:100%;max-height:70vh;aspect-ratio:16/9;object-fit:contain}.video-watermark{position:absolute;z-index:2;left:4%;top:8%;max-width:85%;padding:3px 7px;color:#fff;background:#10182070;font-size:12px;line-height:1.4;pointer-events:none;white-space:normal;overflow-wrap:anywhere;animation:va-watermark 29s linear infinite alternate}.public-viewer-notes{white-space:pre-wrap}.public-session-logout{border:0;background:transparent;color:inherit;font:inherit;cursor:pointer;padding:4px}.course-lesson-outline li{padding:9px 0;border-bottom:1px solid #e1e8f2}.course-lesson-outline li small{display:block;color:#61718b}.public-viewer-state{font-weight:600}#va-public-player{width:100%;box-sizing:border-box;padding:12px 0}@keyframes va-watermark{0%{left:4%;top:8%}33%{left:38%;top:24%}66%{left:8%;top:66%}100%{left:35%;top:78%}}@media(max-width:600px){.video-watermark{font-size:10px;max-width:60%}.nav-auth{flex-wrap:wrap}.public-session-logout{font-size:12px}}

.public-session-badge{font-size:11px;color:#0b4ed8;background:#edf4ff;padding:3px 5px;white-space:nowrap;border-radius:2px}.nav-auth .login-link{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

@media(max-width:800px){.va-public .nav-auth.is-signed-in{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:3px 6px;flex-shrink:1;min-width:0;width:190px;max-width:calc(100vw - 135px)}.va-public .nav-auth.is-signed-in .public-locale{display:none}.va-public .nav-auth.is-signed-in .login-link,.va-public .nav-auth.is-signed-in .button{min-height:25px;padding:4px 6px;max-width:100%;font-size:10px}.va-public .nav-auth.is-signed-in .login-link{display:block}.va-public .nav-auth.is-signed-in .public-session-logout{padding:2px;font-size:10px}.va-public .nav-auth.is-signed-in .public-session-badge{font-size:10px;justify-self:start}.va-public .site-header nav:has(.is-signed-in){height:auto;min-height:60px;padding-block:6px}}

.course-lesson-outline li.public-lesson-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 16px;align-items:center}.public-lesson-row>div{min-width:0;overflow-wrap:anywhere}.public-lesson-row .public-lesson-watch{min-width:60px;padding:7px 12px;border-radius:2px;white-space:nowrap}