@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@500;600;700&family=Instrument+Sans:wght@400;500;600;700&display=swap');

/* ClimateMaster 60Hz literature page v2
   Scoped to .cm-lit so it can move between Sitevision environments. */

.cm-lit {
  --cm-teal: #007C83;
  --cm-deep-teal: #174F52;
  --cm-carbon: #263238;
  --cm-equipment-gray: #667577;
  --cm-ductwork-gray: #DCE5E3;
  --cm-frost: #F4F7F6;
  --cm-white: #FFFFFF;

  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 72px;
  background: var(--cm-white);
  color: var(--cm-carbon);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.cm-lit *,
.cm-lit *::before,
.cm-lit *::after {
  box-sizing: border-box;
}

.cm-lit h1,
.cm-lit h2,
.cm-lit h3,
.cm-lit h4,
.cm-lit p {
  margin-top: 0;
}

.cm-lit a {
  text-underline-offset: 3px;
}

.cm-lit-hero {
  max-width: 860px;
  padding: 8px 0 30px;
}

.cm-lit-eyebrow {
  margin-bottom: 6px;
  color: var(--cm-teal);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cm-lit h1,
.cm-lit h2,
.cm-lit h3 {
  font-family: "Figtree", "Segoe UI", Arial, sans-serif;
  font-weight: 600;
  color: var(--cm-deep-teal);
}

.cm-lit h1 {
  max-width: 800px;
  margin-bottom: 14px;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
}

.cm-lit-intro {
  max-width: 800px;
  margin-bottom: 0;
  color: var(--cm-equipment-gray);
  font-size: 1.08rem;
}

.cm-lit-jump {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: flex;
  gap: 4px 24px;
  margin: 0 0 58px;
  padding: 13px 18px;
  overflow-x: auto;
  border-top: 1px solid var(--cm-ductwork-gray);
  border-bottom: 1px solid var(--cm-ductwork-gray);
  background: rgba(255, 255, 255, 0.96);
  scrollbar-width: thin;
}

.cm-lit-jump a {
  flex: 0 0 auto;
  padding: 5px 0;
  border-bottom: 2px solid transparent;
  color: var(--cm-carbon);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.cm-lit-jump a:hover,
.cm-lit-jump a:focus-visible {
  border-bottom-color: var(--cm-teal);
  color: var(--cm-teal);
}

.cm-lit-section {
  margin-top: 74px;
  scroll-margin-top: 86px;
}

.cm-lit-section:first-of-type {
  margin-top: 0;
}

.cm-lit-section__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.72fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--cm-teal);
}

.cm-lit-section__heading h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1;
}

.cm-lit-section__heading p {
  margin-bottom: 0;
  color: var(--cm-equipment-gray);
  font-size: 0.95rem;
}

.cm-lit-general-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 52px;
}

.cm-lit-resource-group h3,
.cm-lit-group__heading h3 {
  margin-bottom: 0;
  color: var(--cm-carbon);
  font-size: 1.45rem;
  line-height: 1.1;
}

.cm-lit-group {
  margin: 0 0 58px;
  scroll-margin-top: 90px;
}

.cm-lit-group__heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: baseline;
  margin-bottom: 8px;
}

.cm-lit-group__heading span {
  color: var(--cm-equipment-gray);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cm-lit-product-list {
  border-top: 1px solid var(--cm-ductwork-gray);
}

.cm-lit-product {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: 34px;
  padding: 26px 0;
  border-bottom: 1px solid var(--cm-ductwork-gray);
}

.cm-lit-product__identity {
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 17px;
  align-items: start;
}

.cm-lit-model {
  min-width: 64px;
  padding: 13px 10px 12px;
  border-left: 4px solid var(--cm-teal);
  background: var(--cm-frost);
  color: var(--cm-deep-teal);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.cm-lit-product h4 {
  margin: 8px 0 0;
  color: var(--cm-carbon);
  font-family: "Figtree", "Segoe UI", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
}

.cm-lit-resources {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  align-content: start;
}

.cm-lit-resources--single {
  grid-template-columns: 1fr;
  margin-top: 10px;
}

.cm-lit-resources--wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 980px;
  border-top: 1px solid var(--cm-ductwork-gray);
}

.cm-lit-resource {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  min-width: 0;
  padding: 10px 8px 9px;
  border-bottom: 1px solid var(--cm-ductwork-gray);
  color: var(--cm-carbon);
  text-decoration: none;
}

.cm-lit-resource:hover {
  background: var(--cm-frost);
  color: var(--cm-deep-teal);
}

.cm-lit-resource:focus-visible {
  outline: 2px solid var(--cm-teal);
  outline-offset: 2px;
  background: var(--cm-frost);
}

.cm-lit-resource:hover .cm-lit-resource__name,
.cm-lit-resource:focus-visible .cm-lit-resource__name {
  text-decoration: underline;
}

.cm-lit-resource__type {
  color: var(--cm-equipment-gray);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  line-height: 1.4;
}

.cm-lit-resource__name {
  min-width: 0;
  font-size: 0.91rem;
  font-weight: 600;
  line-height: 1.35;
}

/* =========================================================
   Back to top
   ========================================================= */

.cm-lit-back {
  display: flex;
  justify-content: flex-end;
  margin: 34px 0 0;
}

.cm-lit-back a {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--cm-deep-teal);
  font-family: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: none;
}

.cm-lit-back a::after {
  content: "↑";
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 50%;
  background: var(--cm-teal);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
  transition:
    background-color 160ms ease,
    transform 160ms ease;
}

.cm-lit-back a:hover,
.cm-lit-back a:focus-visible {
  color: var(--cm-teal);
  text-decoration: underline;
}

.cm-lit-back a:hover::after,
.cm-lit-back a:focus-visible::after {
  background: var(--cm-deep-teal);
  transform: translateY(-3px);
}

.cm-lit-back a:focus-visible {
  outline: 2px solid var(--cm-teal);
  outline-offset: 5px;
  border-radius: 3px;
}

@media (max-width: 700px) {
  .cm-lit-back {
    justify-content: flex-end;
    margin-top: 28px;
  }

  .cm-lit-back a::after {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }
}

@media (max-width: 900px) {
  .cm-lit-section__heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .cm-lit-product {
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    gap: 24px;
  }

  .cm-lit-resources {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .cm-lit {
    padding: 26px 16px 56px;
  }

  .cm-lit h1 {
    font-size: clamp(2.5rem, 13vw, 3.4rem);
  }

  .cm-lit-jump {
    margin-right: -16px;
    margin-bottom: 46px;
    margin-left: -16px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .cm-lit-section {
    margin-top: 62px;
  }

  .cm-lit-general-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .cm-lit-product {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px 0 28px;
  }

  .cm-lit-product__identity {
    grid-template-columns: minmax(62px, auto) minmax(0, 1fr);
  }

  .cm-lit-resources--wide {
    grid-template-columns: 1fr;
  }

  .cm-lit-back {
    margin-top: -8px;
    text-align: left;
  }
}

/* =========================================================
   Section color system
   ========================================================= */

#general-literature {
  --cm-section-accent: #007C83;
  --cm-section-tint: #EAF6F6;
}

#low-gwp {
  --cm-section-accent: #2F7D68;
  --cm-section-tint: #EDF6F2;
}

#r410a {
  --cm-section-accent: #3E6E9C;
  --cm-section-tint: #EDF3F8;
}

#thermostats {
  --cm-section-accent: #6B5A8E;
  --cm-section-tint: #F2EFF7;
}

#
   
   {
  --cm-section-accent: #A66A1F;
  --cm-section-tint: #FBF4E9;
}

#warranties {
  --cm-section-accent: #59656B;
  --cm-section-tint: #F1F3F4;
}

.cm-lit-section__heading {
  padding: 20px 22px 18px;
  border-left: 6px solid var(--cm-section-accent, var(--cm-teal));
  border-bottom-color: var(--cm-section-accent, var(--cm-teal));
  background: var(--cm-section-tint, var(--cm-frost));
}

.cm-lit-section__heading h2 {
  color: var(--cm-section-accent, var(--cm-deep-teal));
}

.cm-lit-section .cm-lit-model {
  border-left-color: var(--cm-section-accent, var(--cm-teal));
  background: var(--cm-section-tint, var(--cm-frost));
  color: var(--cm-section-accent, var(--cm-deep-teal));
}

.cm-lit-section .cm-lit-resource__type {
  color: var(--cm-section-accent, var(--cm-equipment-gray));
}

.cm-lit-section .cm-lit-resource:hover {
  background: var(--cm-section-tint, var(--cm-frost));
}

.cm-lit-section .cm-lit-resource:focus-visible {
  outline-color: var(--cm-section-accent, var(--cm-teal));
  background: var(--cm-section-tint, var(--cm-frost));
}

.cm-lit-section .cm-lit-back a:hover,
.cm-lit-section .cm-lit-back a:focus-visible {
  color: var(--cm-section-accent, var(--cm-teal));
}


/* Colored navigation indicators */

.cm-lit-jump a[href="#general-literature"] {
  --cm-jump-accent: #007C83;
}

.cm-lit-jump a[href="#low-gwp"] {
  --cm-jump-accent: #2F7D68;
}

.cm-lit-jump a[href="#r410a"] {
  --cm-jump-accent: #3E6E9C;
}

.cm-lit-jump a[href="#thermostats"] {
  --cm-jump-accent: #6B5A8E;
}

.cm-lit-jump a[href="#controls"] {
  --cm-jump-accent: #A66A1F;
}

.cm-lit-jump a[href="#warranties"] {
  --cm-jump-accent: #59656B;
}

.cm-lit-jump a:hover,
.cm-lit-jump a:focus-visible {
  border-bottom-color: var(--cm-jump-accent, var(--cm-teal));
  color: var(--cm-jump-accent, var(--cm-teal));
}


/* Thermostat / controls overview layouts */

.cm-lit-feature-panel {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: 34px;
  padding: 26px 0;
}

.cm-lit-feature-copy h3 {
  margin-bottom: 8px;
}

.cm-lit-feature-copy p {
  max-width: 480px;
  margin-bottom: 0;
  color: var(--cm-equipment-gray);
}

.cm-lit-section-link {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-top: 18px;
  color: var(--cm-section-accent, var(--cm-teal));
  font-weight: 700;
  text-decoration: none;
}

.cm-lit-section-link:hover,
.cm-lit-section-link:focus-visible {
  text-decoration: underline;
}

.cm-lit-controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 44px 52px;
}

.cm-lit-controls-grid .cm-lit-resource-group h3 {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cm-ductwork-gray);
}

@media (max-width: 700px) {
  .cm-lit-section__heading {
    padding: 18px 16px;
  }

  .cm-lit-feature-panel,
  .cm-lit-controls-grid {
    grid-template-columns: 1fr;
  }

  .cm-lit-feature-panel {
    gap: 16px;
  }
}