.basic2-page {
  --basic2-blue: #123b8f;
  --basic2-ink: #071f4f;
  --basic2-red: #c1121f;
  --basic2-green: #17623c;
  --basic2-muted: #526173;
  --basic2-soft: #f6f9ff;
  --basic2-warm: #fff7e8;
}

.basic2-page .lesson-hero,
.basic2-page .overview-hero {
  position: relative !important;
  top: auto !important;
  transform: none !important;
  will-change: auto !important;
  background-attachment: scroll !important;
}

.basic2-page :is(.lesson-hero, .overview-hero, .immersive-basic-hero, .lesson-hero-image, .overview-hero-image) {
  background-attachment: scroll !important;
}

.basic2-route-grid,
.basic2-unit-list,
.basic2-topic-grid,
.weather-card-grid,
.weather-callout-grid,
.expression-grid,
.comparison-grid,
.mistake-grid,
.pattern-grid,
.summary-grid {
  display: grid;
  gap: 18px;
}

.basic2-route-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.basic2-route-item,
.basic2-unit-card,
.basic2-topic-card,
.weather-card,
.expression-card,
.basic2-info-card,
.mistake-card,
.pattern-card,
.summary-card {
  border-radius: 22px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
  color: var(--basic2-muted);
}

.basic2-route-item {
  min-height: 132px;
  padding: 18px;
  text-decoration: none;
  display: grid;
  gap: 8px;
  align-content: start;
}

.basic2-route-item span,
.basic2-mini-label {
  color: var(--basic2-red);
  font-weight: 900;
  font-size: 0.77rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.basic2-route-item strong,
.basic2-topic-card h3,
.weather-card h3,
.expression-card h3,
.basic2-info-card h3,
.mistake-card h3,
.pattern-card h3,
.summary-card h3 {
  color: var(--basic2-ink);
}

.basic2-unit-list {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 70px;
}

.basic2-unit-card {
  overflow: hidden;
}

.basic2-unit-card summary {
  cursor: pointer;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: clamp(1rem, 2.5vw, 1.6rem);
  list-style: none;
}

.basic2-unit-card summary::-webkit-details-marker {
  display: none;
}

.basic2-unit-thumb {
  aspect-ratio: 16 / 10;
  border-radius: 18px;
  overflow: hidden;
  background: #e7edf8;
}

.basic2-unit-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.basic2-unit-title {
  min-width: 0;
}

.basic2-unit-title h3 {
  color: var(--basic2-ink);
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
  line-height: 1.12;
  margin: 6px 0 8px;
}

.basic2-unit-title p {
  margin: 0;
  line-height: 1.65;
}

.basic2-unit-toggle {
  border-radius: 999px;
  padding: 9px 13px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 900;
  white-space: nowrap;
}

.basic2-unit-body {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  padding: clamp(1.1rem, 3vw, 2rem);
  display: grid;
  gap: 20px;
  background: linear-gradient(180deg, #ffffff, var(--basic2-soft));
}

.basic2-objective {
  border-left: 7px solid var(--basic2-blue);
  border-radius: 20px;
  padding: 18px;
  background: #eef4ff;
  color: #26354a;
  line-height: 1.7;
}

.basic2-topic {
  border-radius: 20px;
  border: 1px solid rgba(18, 59, 143, 0.12);
  background: #ffffff;
  padding: 0;
  overflow: hidden;
}

.basic2-topic summary {
  cursor: pointer;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px 20px;
  color: var(--basic2-ink);
  font-weight: 900;
  line-height: 1.35;
  list-style: none;
}

.basic2-topic summary::-webkit-details-marker {
  display: none;
}

.basic2-topic summary b {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(18, 59, 143, 0.09);
  color: var(--basic2-blue);
  flex: 0 0 auto;
}

.basic2-topic-body {
  padding: 0 20px 20px;
  display: grid;
  gap: 16px;
}

.basic2-topic-task {
  border-radius: 18px;
  padding: 15px 16px;
  background: var(--basic2-warm);
  color: #744705;
  line-height: 1.65;
}

.basic2-topic-grid,
.comparison-grid,
.pattern-grid,
.summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.weather-card {
  overflow: hidden;
}

.weather-card[data-weather-audio] {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.weather-card[data-weather-audio]:hover,
.weather-card[data-weather-audio]:focus-visible,
.weather-card[data-weather-audio].is-playing {
  border-color: rgba(18, 59, 143, 0.28);
  box-shadow: 0 20px 42px rgba(18, 59, 143, 0.14);
  transform: translateY(-3px);
  outline: none;
}

.weather-card[data-weather-audio].is-playing .weather-audio-hint {
  background: var(--basic2-blue);
  color: #ffffff;
}

.weather-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.weather-card-content,
.expression-card,
.basic2-info-card,
.mistake-card,
.pattern-card,
.summary-card {
  padding: 18px;
}

.weather-card h3,
.expression-card h3 {
  margin-bottom: 8px;
  font-size: 1.16rem;
}

.weather-card p,
.expression-card p,
.basic2-info-card p,
.mistake-card p,
.pattern-card p,
.summary-card p {
  margin: 0;
  line-height: 1.65;
}

.weather-card .weather-usage-note {
  margin-top: 12px;
  border-left: 3px solid rgba(37, 99, 235, 0.26);
  padding: 10px 11px;
  border-radius: 0 12px 12px 0;
  background: #f8fbff;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.55;
}

.weather-card .weather-usage-note strong {
  color: var(--basic2-blue);
}

.weather-audio-hint {
  display: inline-flex;
  width: fit-content;
  margin-top: 12px;
  border-radius: 999px;
  padding: 8px 11px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.basic2-example-list {
  display: grid;
  gap: 10px;
}

.basic2-example-list p {
  margin: 0;
  border-radius: 14px;
  padding: 12px 14px;
  background: #f8fbff;
  color: #334155;
  line-height: 1.55;
}

.basic2-formula {
  display: block;
  margin-top: 10px;
  border-radius: 14px;
  padding: 12px 14px;
  background: #eef4ff;
  color: var(--basic2-ink);
  font-weight: 900;
}

.expression-card {
  display: grid;
  gap: 10px;
}

.expression-card[data-expression-audio] {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.expression-card[data-expression-audio]:hover,
.expression-card[data-expression-audio]:focus-visible,
.expression-card[data-expression-audio].is-playing {
  border-color: rgba(18, 59, 143, 0.28);
  box-shadow: 0 20px 42px rgba(18, 59, 143, 0.14);
  transform: translateY(-3px);
  outline: none;
}

.expression-card .spanish-meaning {
  border-radius: 999px;
  padding: 8px 12px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 850;
  width: fit-content;
}

.expression-card .expression-type {
  color: var(--basic2-red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.expression-audio-hint {
  display: inline-flex;
  width: fit-content;
  margin-top: 2px;
  border-radius: 999px;
  padding: 8px 11px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.expression-card[data-expression-audio].is-playing .expression-audio-hint {
  background: var(--basic2-blue);
  color: #ffffff;
}

.mistake-card {
  border-left: 6px solid var(--basic2-red);
}

.mistake-card strong {
  color: var(--basic2-red);
}

.conversation-model {
  border-radius: 24px;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  background: var(--basic2-ink);
  color: #ffffff;
  display: grid;
  gap: 10px;
}

.conversation-model p {
  margin: 0;
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.1);
  line-height: 1.55;
}

.conversation-model strong {
  color: #ffd166;
}

.basic2-resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.basic2-resource-links a,
.basic2-resource-links span {
  border-radius: 999px;
  padding: 10px 14px;
  text-decoration: none;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 850;
}

.basic2-resource-links span {
  background: #e9edf3;
  color: #5d6674;
}

.basic2-practice-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 70px;
  display: grid;
  gap: 22px;
}

.basic2-practice-panel {
  border-radius: 26px;
  padding: clamp(1rem, 2.6vw, 1.7rem);
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}

.basic2-practice-panel h2,
.basic2-practice-panel h3 {
  color: var(--basic2-ink);
}

.basic2-practice-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.basic2-practice-kpis span {
  border-radius: 999px;
  padding: 9px 12px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 850;
  font-size: 0.9rem;
}

.weather-callout-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.weather-callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.weather-callout-btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--basic2-blue);
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(18, 59, 143, 0.18);
}

.weather-callout-btn.secondary {
  background: #eef4ff;
  color: var(--basic2-blue);
  box-shadow: none;
}

.weather-callout-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ing-rule-grid,
.ing-question-grid {
  display: grid;
  gap: 16px;
}

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

.ing-question-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ing-rule-card,
.ing-question-card {
  border-radius: 22px;
  padding: 17px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
}

.ing-rule-card {
  display: grid;
  gap: 10px;
  align-content: start;
}

.ing-rule-card h3,
.ing-question-card h3 {
  margin: 0;
  color: var(--basic2-ink);
}

.ing-rule-card p,
.ing-question-card p {
  margin: 0;
  color: var(--basic2-muted);
  line-height: 1.55;
}

.ing-rule-card code,
.ing-question-card code {
  border-radius: 10px;
  padding: 2px 6px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 900;
}

.ing-rule-chip {
  width: fit-content;
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff0f0;
  color: var(--basic2-red);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.ing-quiz-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  border-radius: 22px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.ing-score-pill {
  border-radius: 999px;
  padding: 10px 13px;
  background: var(--basic2-ink);
  color: #ffffff;
  font-weight: 900;
}

.ing-option-list {
  display: grid;
  gap: 9px;
  margin-top: 14px;
}

.ing-option {
  width: 100%;
  border: 1px solid rgba(18, 59, 143, 0.16);
  border-radius: 16px;
  padding: 11px 12px;
  background: #f8fbff;
  color: var(--basic2-ink);
  font-weight: 850;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.ing-option:hover,
.ing-option:focus-visible {
  border-color: rgba(18, 59, 143, 0.45);
  background: #eef4ff;
  outline: none;
  transform: translateY(-1px);
}

.ing-option.is-selected {
  border-color: var(--basic2-blue);
  background: #eef4ff;
}

.ing-option.is-correct {
  border-color: rgba(23, 98, 60, 0.5);
  background: #ecfdf5;
  color: var(--basic2-green);
}

.ing-option.is-incorrect {
  border-color: rgba(193, 18, 31, 0.45);
  background: #fff1f2;
  color: var(--basic2-red);
}

.ing-feedback {
  min-height: 46px;
  margin-top: 12px;
  border-radius: 16px;
  padding: 11px 12px;
  background: #f1f5f9;
  color: #475569;
  line-height: 1.55;
}

.ing-feedback.is-correct {
  background: #ecfdf5;
  color: var(--basic2-green);
}

.ing-feedback.is-incorrect {
  background: #fff1f2;
  color: var(--basic2-red);
}

.basic2-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  overflow: hidden;
  background: var(--basic2-ink);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.18);
}

.basic2-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.basic2-video-pending {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--basic2-ink);
}

.basic2-video-pending img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.basic2-video-pending::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 31, 79, 0.18), rgba(7, 31, 79, 0.9));
}

.basic2-video-pending-content {
  position: relative;
  z-index: 1;
  max-width: 620px;
  padding: 24px;
  color: #ffffff;
}

.basic2-video-pending-content h3 {
  color: #ffffff;
  margin: 0 0 8px;
}

.basic2-video-pending-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.6;
}

.basic2-listening-vocab-groups,
.basic2-listening-chip-grid,
.basic2-listening-focus-list {
  display: grid;
  gap: 12px;
}

.basic2-listening-vocab-groups {
  gap: 16px;
}

.basic2-compact-vocab {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f8fbff;
  border: 1px solid rgba(18, 59, 143, 0.1);
  color: var(--basic2-ink);
}

.basic2-compact-vocab p {
  margin: 0;
  line-height: 1.55;
}

.basic2-compact-vocab strong {
  color: var(--basic2-blue);
}

.basic2-listening-vocab-group {
  border-radius: 22px;
  padding: 16px;
  background: #f8fbff;
  border: 1px solid rgba(18, 59, 143, 0.1);
}

.basic2-listening-vocab-group h3 {
  margin: 0 0 12px;
  color: var(--basic2-ink);
  font-size: 1rem;
}

.basic2-listening-chip-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.basic2-listening-chip,
.basic2-watch-step {
  border-radius: 16px;
  padding: 13px 14px;
  background: #ffffff;
  border: 1px solid rgba(18, 59, 143, 0.14);
  color: var(--basic2-ink);
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.basic2-listening-chip small {
  display: block;
  margin-top: 4px;
  color: var(--basic2-muted);
  font-weight: 750;
}

.basic2-listening-focus {
  margin-top: 20px;
  border-radius: 22px;
  padding: 20px;
  background: linear-gradient(135deg, var(--basic2-ink), var(--basic2-blue));
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(7, 31, 79, 0.2);
}

.basic2-listening-focus h3 {
  color: #ffffff;
  margin: 0 0 8px;
}

.basic2-listening-focus p {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

.basic2-listening-focus-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.basic2-listening-focus-list span {
  border-radius: 999px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 900;
  text-align: center;
}

.basic2-watch-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.basic2-watch-step strong {
  display: block;
  color: var(--basic2-blue);
  margin-bottom: 4px;
}

.basic2-video-page .quiz-question-card label {
  transition: border-color 0.2s ease, background 0.2s ease;
}

.basic2-video-page .quiz-question-card label:hover {
  background: #eef4ff;
  border-color: rgba(18, 59, 143, 0.22);
}

.basic2-video-page .quiz-question-card input {
  accent-color: var(--basic2-blue);
}

.basic2-video-page .quiz-result-box:focus {
  outline: 3px solid rgba(18, 59, 143, 0.32);
  outline-offset: 4px;
}

.youtube-speed-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 14px;
  border-radius: 18px;
  background: #eef4ff;
  border: 1px solid rgba(18, 59, 143, 0.16);
}

.youtube-speed-panel > span {
  flex: 1 0 100%;
  color: var(--basic2-ink);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.youtube-speed-btn {
  min-height: 42px;
  min-width: 74px;
  padding: 0 15px;
  border-radius: 999px;
  border: 2px solid rgba(18, 59, 143, 0.22);
  background: #ffffff;
  color: var(--basic2-blue);
  font: inherit;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.youtube-speed-btn:hover,
.youtube-speed-btn:focus-visible {
  border-color: var(--basic2-blue);
  transform: translateY(-1px);
  outline: none;
}

.youtube-speed-btn.is-active {
  background: var(--basic2-blue);
  border-color: var(--basic2-blue);
  color: #ffffff;
}

.youtube-speed-status {
  flex: 1 0 100%;
  color: var(--basic2-muted);
  line-height: 1.45;
}

.basic2-video-page .youtube-speed-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}

.basic2-audio-player-card {
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}

.basic2-audio-player-card > img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  display: block;
}

.basic2-audio-player-content {
  display: grid;
  gap: 16px;
  padding: clamp(1rem, 2.5vw, 1.4rem);
}

.basic2-audio-player-content h3 {
  margin: 0;
  color: var(--basic2-ink);
}

.basic2-audio-player-content audio {
  width: 100%;
}

.basic2-audio-speed-panel {
  margin-top: 4px;
}

.basic2-script-note {
  border-left: 6px solid var(--basic2-red);
  border-radius: 20px;
  padding: 18px;
  background: #fff7e8;
  color: #7c4a03;
  line-height: 1.65;
}

.basic2-reading-text {
  display: grid;
  gap: 16px;
  padding: clamp(1.05rem, 3vw, 1.65rem);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(248, 251, 255, 0.95), rgba(255, 255, 255, 0.98)),
    linear-gradient(135deg, rgba(18, 59, 143, 0.08), rgba(193, 18, 31, 0.06));
  border: 1px solid rgba(18, 59, 143, 0.12);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
}

.basic2-reading-text p {
  margin: 0;
  color: var(--basic2-ink);
  font-size: clamp(1rem, 2vw, 1.08rem);
  line-height: 1.85;
}

.teacher-only-transcript[hidden] {
  display: none !important;
}

.weather-callout-card {
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.07);
  display: grid;
}

.weather-callout-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.weather-callout-body {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.weather-callout-body h3 {
  margin: 0;
  color: var(--basic2-ink);
  font-size: 1.04rem;
}

.weather-callout-body p {
  margin: 0;
  color: var(--basic2-muted);
  line-height: 1.55;
}

.weather-answer-panel {
  display: none;
  border-radius: 16px;
  padding: 12px;
  background: #f8fbff;
  border-left: 4px solid var(--basic2-green);
}

.weather-callout-card.is-revealed .weather-answer-panel {
  display: grid;
  gap: 6px;
}

.weather-answer-panel strong {
  color: var(--basic2-green);
}

.weather-card-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.weather-card-buttons button {
  border: 0;
  border-radius: 999px;
  padding: 9px 11px;
  background: #eef4ff;
  color: var(--basic2-blue);
  font-weight: 900;
  cursor: pointer;
}

.weather-card-buttons button:first-child {
  background: var(--basic2-blue);
  color: #ffffff;
}

.weather-callout-card.is-playing {
  border-color: rgba(18, 59, 143, 0.3);
  box-shadow: 0 20px 42px rgba(18, 59, 143, 0.14);
}

@media (max-width: 1020px) {
  .basic2-route-grid,
  .weather-card-grid,
  .weather-callout-grid,
  .ing-rule-grid,
  .ing-question-grid,
  .basic2-listening-chip-grid,
  .basic2-listening-focus-list,
  .basic2-watch-flow,
  .expression-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .basic2-unit-card summary {
    grid-template-columns: 132px minmax(0, 1fr);
  }

  .basic2-unit-toggle {
    grid-column: 1 / -1;
    width: fit-content;
  }
}

@media (max-width: 720px) {
  .basic2-route-grid,
  .basic2-topic-grid,
  .comparison-grid,
  .pattern-grid,
  .summary-grid,
  .weather-card-grid,
  .weather-callout-grid,
  .ing-rule-grid,
  .ing-question-grid,
  .basic2-listening-chip-grid,
  .basic2-listening-focus-list,
  .basic2-watch-flow,
  .expression-grid {
    grid-template-columns: 1fr;
  }

  .basic2-unit-list {
    padding-inline: 14px;
  }

  .basic2-unit-card summary {
    grid-template-columns: 1fr;
  }

  .basic2-unit-thumb {
    max-height: 220px;
  }

  .basic2-page .lesson-hero,
  .basic2-page .overview-hero {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    background-attachment: scroll;
  }

  .basic2-page .lesson-hero-content,
  .basic2-page .overview-hero-content,
  .basic2-page .lesson-hero-image,
  .basic2-page .overview-hero-image {
    min-width: 0;
    max-width: 100%;
  }

  .basic2-page .hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 980px) {
  .basic2-page .lesson-hero,
  .basic2-page .overview-hero {
    position: relative !important;
    min-height: auto !important;
    padding: 32px 20px 38px !important;
    background-attachment: scroll !important;
  }

  .basic2-page .lesson-hero-content,
  .basic2-page .overview-hero-content {
    padding: clamp(1.35rem, 4vw, 2rem) !important;
  }

  .basic2-page .lesson-hero-image,
  .basic2-page .overview-hero-image {
    min-height: 260px !important;
  }

  .basic2-page .lesson-hero-image img,
  .basic2-page .overview-hero-image img {
    min-height: 260px !important;
    max-height: 320px !important;
  }
}

@media (max-width: 640px) {
  .basic2-page .lesson-hero,
  .basic2-page .overview-hero {
    padding: 20px 14px 26px !important;
    border-radius: 22px;
    background-attachment: scroll !important;
  }

  .basic2-page .lesson-hero-content,
  .basic2-page .overview-hero-content {
    padding: 1.2rem !important;
    border-radius: 22px;
  }

  .basic2-page .lesson-hero-image,
  .basic2-page .overview-hero-image {
    display: none !important;
    min-height: 0 !important;
    border-width: 5px !important;
    border-radius: 20px;
  }

  .basic2-page .lesson-hero-image img,
  .basic2-page .overview-hero-image img {
    min-height: 0 !important;
    max-height: 0 !important;
  }
}