@import url("https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap");

body.aa-grade-page.grade-reference-ready {
  --grade-reference-navy: #203a76;
  --grade-reference-line: rgba(32, 58, 118, 0.12);
  background: #ffffff;
}

.grade-reference-root {
  --grade-reference-bg: #ffffff;
  --grade-reference-bg-2: #f2f6fe;
  --grade-reference-navy: #203a76;
  --grade-reference-navy-2: #15254e;
  --grade-reference-blue: #4486f7;
  --grade-reference-blue-dark: #2e63cc;
  --grade-reference-teal: #55b4af;
  --grade-reference-teal-dark: #3b8f8a;
  --grade-reference-red: #dd5d56;
  --grade-reference-red-dark: #bc433d;
  --grade-reference-gold: #e9a944;
  --grade-reference-gold-dark: #c4852a;
  --grade-reference-yellow: #eac645;
  --grade-reference-amber: #ecbb4e;
  --grade-reference-line: rgba(32, 58, 118, 0.12);
  background: var(--grade-reference-bg);
  color: var(--grade-reference-navy);
  font-family: "Inter", sans-serif;
}

.grade-reference-root *,
.grade-reference-root *::before,
.grade-reference-root *::after {
  box-sizing: border-box;
}

.grade-reference-root :where(h1, h2, h3, h4, h5) {
  margin: 0;
  color: var(--grade-reference-navy);
  font-family: "Fredoka", sans-serif;
}

.grade-reference-root p {
  margin: 0;
}

.grade-reference-root a,
.grade-reference-root button {
  color: inherit;
  font-family: inherit;
  text-decoration: none;
}

.grade-reference-root svg {
  display: block;
}

.grade-reference-root :focus-visible {
  outline: 3px solid var(--grade-reference-blue);
  outline-offset: 2px;
}

.grade-reference-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-right: 28px;
  padding-left: 28px;
}

.grade-reference-gradebar {
  padding: 14px 0;
  border-bottom: 1px solid var(--grade-reference-line);
}

.grade-reference-grade-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.grade-reference-grade-pill {
  display: inline-flex;
  align-items: center;
  min-height: 0;
  padding: 7px 15px;
  border: 2px solid var(--grade-reference-line);
  border-radius: 100px;
  background: transparent;
  color: var(--grade-reference-navy);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
}

.grade-reference-grade-pill:hover,
.grade-reference-grade-pill:focus-visible {
  border-color: rgba(32, 58, 118, 0.35);
  color: var(--grade-reference-navy);
}

.grade-reference-grade-pill.is-active {
  border-color: var(--grade-reference-navy);
  background: var(--grade-reference-navy);
  color: #ffffff;
}

.grade-reference-head {
  padding-top: 40px;
  padding-bottom: 8px;
}

.grade-reference-head h1 {
  font-size: clamp(2rem, 4.2vw, 2.7rem);
  font-weight: 700;
  line-height: 1.12;
}

.grade-reference-head > p {
  max-width: 60ch;
  margin-top: 10px;
  color: var(--grade-reference-navy);
  font-size: 1rem;
  line-height: 1.5;
  opacity: 0.72;
}

.grade-reference-subject-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin: 34px 0 8px;
}

.grade-reference-subject-row .curriculum-pin {
  display: flex;
  flex: 0 0 96px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 96px;
  min-width: 96px;
  height: 96px;
  min-height: 96px;
  gap: 4px;
  padding: 0.4rem;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: #ffffff;
  font-family: "Fredoka", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.05;
  text-align: center;
  box-shadow: none;
  transform: none;
}

.grade-reference-subject-row .curriculum-pin:hover,
.grade-reference-subject-row .curriculum-pin:focus-visible {
  filter: brightness(1.04);
  transform: translateY(-2px);
}

.grade-reference-subject-row .curriculum-pin-icon {
  width: 24px;
  height: 24px;
  margin: 0;
}

.grade-reference-subject-row .curriculum-pin-math {
  background: var(--grade-reference-blue);
}

.grade-reference-subject-row .curriculum-pin-reading {
  background: var(--grade-reference-teal);
}

.grade-reference-subject-row .curriculum-pin-writing {
  background: var(--grade-reference-red);
}

.grade-reference-subject-row .curriculum-pin-science {
  background: var(--grade-reference-yellow);
  color: var(--grade-reference-navy);
}

.grade-reference-subject-row .curriculum-pin-social-studies {
  background: var(--grade-reference-gold);
}

.grade-reference-sales-banner {
  position: relative;
  overflow: hidden;
  margin: 34px 0;
  padding: 40px 36px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--grade-reference-navy) 0%, var(--grade-reference-navy-2) 100%);
  color: #ffffff;
}

.grade-reference-sales-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  padding: 7px 16px;
  border-radius: 100px;
  background: rgba(236, 187, 78, 0.2);
  color: var(--grade-reference-amber);
  font-size: 0.78rem;
  font-weight: 700;
}

.grade-reference-sales-banner h2 {
  max-width: 20ch;
  color: #ffffff;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.18;
}

.grade-reference-sales-sub {
  max-width: 60ch;
  margin-top: 10px !important;
  color: #c9d8f5;
  font-size: 0.98rem;
  line-height: 1.55;
}

.grade-reference-stat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.grade-reference-stat-chip {
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 700;
}

.grade-reference-sales-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
}

.grade-reference-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  gap: 6px;
  padding: 12px 24px;
  border: 0;
  border-radius: 100px;
  color: #ffffff !important;
  font-family: "Fredoka", sans-serif !important;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
}

.grade-reference-btn-gold {
  background: var(--grade-reference-gold) !important;
  box-shadow: 0 5px 0 var(--grade-reference-gold-dark);
}

.grade-reference-btn-red {
  background: var(--grade-reference-red) !important;
  box-shadow: 0 5px 0 var(--grade-reference-red-dark);
}

.grade-reference-btn:hover,
.grade-reference-btn:focus-visible {
  color: #ffffff;
  filter: brightness(1.04);
  transform: translateY(1px);
}

.grade-reference-btn:active {
  box-shadow: 0 2px 0 currentColor;
  transform: translateY(3px);
}

.grade-reference-sales-fine {
  color: #c9d8f5;
  font-size: 0.8rem;
  opacity: 0.85;
}

.grade-reference-section {
  padding-top: 48px;
  padding-bottom: 48px;
}

.grade-reference-section-head {
  max-width: 620px;
  margin-bottom: 28px;
}

.grade-reference-section-head h2 {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 700;
}

.grade-reference-section-head p {
  margin-top: 8px;
  color: var(--grade-reference-navy);
  font-size: 0.96rem;
  line-height: 1.5;
  opacity: 0.7;
}

.grade-reference-roadmap-prompt {
  margin-bottom: 28px !important;
  color: var(--grade-reference-navy);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 700;
  opacity: 0.55;
}

.grade-reference-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(68, 134, 247, 0.15);
  color: var(--grade-reference-blue-dark);
  font-size: 0.76rem;
  font-weight: 700;
}

.grade-reference-arcade-screen {
  position: relative;
  overflow: hidden;
  padding: 34px 10px 26px;
  border-radius: 28px;
  background: radial-gradient(circle at 50% 0%, #2a4a8f 0%, var(--grade-reference-navy-2) 65%, #0e1b3c 100%);
  color: #ffffff;
}

.grade-reference-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 4px);
  pointer-events: none;
}

.grade-reference-arcade-screen .grade-reference-section-head {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto 6px;
  padding: 0 20px;
  text-align: center;
}

.grade-reference-arcade-screen .grade-reference-section-head h2 {
  color: #ffffff;
}

.grade-reference-arcade-screen .grade-reference-section-head p {
  color: #c9d8f5;
  opacity: 1;
}

.grade-reference-arcade-screen .grade-reference-eyebrow {
  background: rgba(236, 187, 78, 0.2);
  color: var(--grade-reference-amber);
}

.grade-reference-path-row {
  position: relative;
  z-index: 2;
  display: flex;
  overflow-x: auto;
  padding: 30px 26px 10px;
}

.grade-reference-path-node {
  position: relative;
  display: flex;
  flex: 0 0 96px;
  flex-direction: column;
  align-items: center;
  min-width: 96px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.grade-reference-path-node:not(:last-child)::after {
  position: absolute;
  top: 28px;
  left: 62px;
  z-index: 0;
  width: 60px;
  height: 3px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
}

.grade-reference-path-node.is-unlocked:not(:last-child)::after {
  background: var(--grade-reference-teal);
}

.grade-reference-node-circle {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.55);
  font-family: "Fredoka", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  transition: filter 150ms ease, transform 150ms ease;
}

.grade-reference-path-node:hover .grade-reference-node-circle,
.grade-reference-path-node:focus-visible .grade-reference-node-circle {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.grade-reference-path-node.is-unlocked .grade-reference-node-circle {
  border: 2px solid var(--grade-reference-teal);
  background: var(--grade-reference-teal);
  color: #ffffff;
}

.grade-reference-node-label {
  margin-top: 8px;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
}

.grade-reference-node-sub {
  max-width: 90px;
  margin-top: 2px;
  color: #ffffff;
  font-size: 0.66rem;
  line-height: 1.3;
  text-align: center;
  opacity: 0.65;
}

.grade-reference-path-node.is-unlocked .grade-reference-node-sub {
  color: var(--grade-reference-amber);
  font-weight: 700;
  opacity: 1;
}

.grade-reference-acc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.grade-reference-acc-item {
  overflow: hidden;
  border: 2px solid var(--grade-reference-line);
  border-radius: 16px;
  background: #ffffff;
  scroll-margin-top: 7rem;
}

.grade-reference-acc-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  color: var(--grade-reference-navy);
  list-style: none;
  cursor: pointer;
}

.grade-reference-acc-item summary::-webkit-details-marker {
  display: none;
}

.grade-reference-acc-status {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  white-space: nowrap;
}

.grade-reference-acc-status.is-open {
  background: rgba(85, 180, 175, 0.18);
  color: var(--grade-reference-teal-dark);
}

.grade-reference-acc-status.is-locked {
  background: var(--grade-reference-bg-2);
  color: var(--grade-reference-navy);
  opacity: 0.6;
}

.grade-reference-acc-title-wrap {
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.grade-reference-acc-month {
  color: var(--grade-reference-navy);
  font-family: "Fredoka", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}

.grade-reference-acc-focus {
  overflow: hidden;
  color: var(--grade-reference-navy);
  font-size: 0.88rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0.75;
}

.grade-reference-chevron {
  flex: 0 0 auto;
  opacity: 0.5;
  transition: transform 150ms ease;
}

.grade-reference-acc-item[open] .grade-reference-chevron {
  transform: rotate(180deg);
}

.grade-reference-acc-body {
  padding: 0 20px 22px;
  color: var(--grade-reference-navy);
  font-size: 0.9rem;
}

.grade-reference-acc-body h4 {
  margin: 14px 0 8px;
  color: var(--grade-reference-navy);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.55;
}

.grade-reference-acc-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.grade-reference-acc-body h4 + ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.grade-reference-acc-body li {
  color: var(--grade-reference-navy);
  line-height: 1.5;
}

.grade-reference-acc-body li strong {
  color: var(--grade-reference-navy);
}

.grade-reference-acc-body h4:nth-of-type(2) + ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.grade-reference-acc-body h4:nth-of-type(2) + ul > li:not(.digital-downloads-cta) {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.grade-reference-acc-body .aa-preview-btn {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--grade-reference-blue-dark);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.grade-reference-acc-body .aa-preview-btn:hover,
.grade-reference-acc-body .aa-preview-btn:focus-visible {
  color: var(--grade-reference-blue-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.grade-reference-week-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.grade-reference-acc-body .grade-reference-download {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--grade-reference-blue-dark);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
  white-space: nowrap;
}

.grade-reference-acc-body .grade-reference-download:hover,
.grade-reference-acc-body .grade-reference-download:focus-visible {
  background: var(--grade-reference-navy);
  color: #ffffff;
}

.grade-reference-acc-body .weekly-pack-link {
  color: var(--grade-reference-navy);
  font-weight: 500;
}

.grade-reference-acc-body .digital-downloads-cta {
  margin-top: 12px;
  color: var(--grade-reference-navy) !important;
  font-size: 0.84rem !important;
  opacity: 0.75;
}

.grade-reference-acc-body .digital-downloads-cta a {
  color: var(--grade-reference-blue-dark);
  font-weight: 700;
}

.grade-reference-live-note {
  margin-left: 0.35rem;
  color: var(--grade-reference-teal-dark) !important;
  font-size: 0.72rem !important;
  font-weight: 700;
}

.grade-reference-future-note {
  margin-left: 0.35rem;
  color: var(--grade-reference-gold-dark) !important;
  font-size: 0.72rem !important;
  font-weight: 700;
  white-space: nowrap;
}

.grade-reference-bridge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.grade-reference-bridge-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px;
  border: 2px solid var(--grade-reference-line);
  border-top: 5px solid var(--grade-reference-accent);
  border-radius: 16px;
  background: #ffffff;
  color: var(--grade-reference-navy);
}

.grade-reference-bridge-card .bridge-season {
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--grade-reference-accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.grade-reference-bridge-card :where(h3, h5) {
  margin: 0;
  color: var(--grade-reference-navy);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
}

.grade-reference-bridge-card p {
  color: var(--grade-reference-navy);
  font-size: 0.82rem !important;
  line-height: 1.45;
  opacity: 0.72;
}

.grade-reference-bridge-card ul {
  margin: 2px 0 0;
  padding-left: 16px;
  color: var(--grade-reference-navy);
  font-size: 0.78rem !important;
  line-height: 1.5;
  opacity: 0.72;
}

.grade-reference-bridge-card > span.small.text-muted {
  margin-top: auto;
  padding-top: 6px;
  color: var(--grade-reference-navy) !important;
  font-size: 0.74rem;
  font-weight: 600;
  opacity: 0.5;
}

.grade-reference-price-banner {
  padding: 44px 26px;
  border-radius: 28px;
  background: repeating-linear-gradient(135deg, var(--grade-reference-red) 0 24px, var(--grade-reference-red-dark) 24px 48px);
  color: #ffffff;
  text-align: center;
}

.grade-reference-price-inner {
  max-width: 560px;
  margin: 0 auto;
  padding: 34px 26px;
  border: 4px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  background: var(--grade-reference-navy);
}

.grade-reference-price-inner h2 {
  color: #ffffff;
  font-size: 1.6rem;
  font-weight: 700;
}

.grade-reference-price-big {
  margin-top: 10px;
  color: var(--grade-reference-amber);
  font-family: "Fredoka", sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
}

.grade-reference-price-big span {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.75;
}

.grade-reference-price-copy {
  margin-top: 6px !important;
  color: #ffffff;
  font-size: 0.9rem;
  opacity: 0.7;
}

.grade-reference-price-inner .grade-reference-btn {
  margin-top: 20px;
}

.grade-reference-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
  padding-top: 30px;
  padding-bottom: 30px;
  border-top: 1px solid var(--grade-reference-line);
  color: var(--grade-reference-navy);
  font-family: "Inter", sans-serif;
  font-size: 0.85rem;
  text-align: left;
  opacity: 0.6;
}

.grade-reference-footer a {
  color: var(--grade-reference-navy);
}

@media (max-width: 900px) {
  .grade-reference-bridge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grade-reference-wrap {
    padding-right: 18px;
    padding-left: 18px;
  }

  .grade-reference-head {
    padding-top: 30px;
  }

  .grade-reference-subject-row {
    gap: 10px;
  }

  .grade-reference-subject-row .curriculum-pin {
    flex-basis: 78px;
    width: 78px;
    min-width: 78px;
    height: 78px;
    min-height: 78px;
    font-size: 0.62rem;
  }

  .grade-reference-sales-banner {
    padding: 30px 24px;
    border-radius: 22px;
  }

  .grade-reference-sales-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .grade-reference-btn {
    width: 100%;
  }

  .grade-reference-acc-item summary {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .grade-reference-acc-title-wrap {
    order: 3;
    flex-basis: calc(100% - 2rem);
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .grade-reference-acc-focus {
    overflow: visible;
    white-space: normal;
  }

  .grade-reference-bridge-grid {
    grid-template-columns: 1fr;
  }

  .grade-reference-price-banner {
    padding: 26px 16px;
    border-radius: 22px;
  }
}

/* Seasonal pack availability uses native links for keyboard access. */
a.grade-reference-bridge-card.is-live {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  border-color: #25877c;
  transition: transform .15s ease, box-shadow .15s ease;
}
a.grade-reference-bridge-card.is-live:hover { transform: translateY(-3px); box-shadow: 0 8px 22px #25877c26; }
a.grade-reference-bridge-card.is-live:focus-visible { outline: 3px solid #25877c; outline-offset: 4px; }
.grade-reference-pack-status { display: inline-block; align-self: flex-start; padding: .25rem .65rem; margin: .5rem 0; border-radius: 999px; background: #eef1f4; color: #485569; font-size: .8rem; font-weight: 700; }
.grade-reference-bridge-card .grade-reference-pack-benefit { font-size: .78rem; color: #586474; margin-top: auto; padding-top: .75rem; }
.grade-reference-pack-cta { font-size: .9rem; font-weight: 700; color: #146344; }
@media (prefers-reduced-motion: reduce) { a.grade-reference-bridge-card.is-live { transition: none; } }