/* WristAtlas landing page V2 — Slice 1
   Page-specific comprehension/proof layer. Keep the shared Blue Dial Labs visual system authoritative. */

.wristatlas-hero {
  align-items: end;
}

.wristatlas-hero h1 {
  max-width: 13ch;
}

.wristatlas-hero-actions {
  margin-top: 1.8rem;
}

.wristatlas-problem {
  padding-top: clamp(4.5rem, 8vw, 7rem);
}

.atlas-problem-grid,
.atlas-canonical-principles,
.atlas-value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  border: 1px solid var(--line);
  background: var(--line);
}

.atlas-problem-card,
.atlas-canonical-principles article,
.atlas-value-grid article {
  min-width: 0;
  padding: clamp(1.45rem, 3vw, 2.25rem);
  background: var(--paper-light);
}

.atlas-problem-card h3,
.atlas-canonical-principles h3,
.atlas-value-grid h3,
.atlas-flow-branches h3 {
  margin-bottom: 0.8rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.atlas-string-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.7rem;
  margin: 1.25rem 0;
}

.atlas-string-pair code {
  display: block;
  overflow-wrap: anywhere;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--brand-blue-dark);
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.35;
  text-align: center;
}

.atlas-string-pair span {
  color: var(--accent-copper-dark);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.atlas-demo-section {
  scroll-margin-top: 2rem;
}

.atlas-demo-heading {
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.atlas-demo {
  border: 1px solid var(--line);
  background: var(--paper-light);
  box-shadow: 0 1.4rem 3.5rem rgb(19 36 50 / 7%);
}

.atlas-example-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.atlas-example-tab {
  min-height: 2.7rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font: 650 0.78rem/1 var(--sans);
  cursor: pointer;
}

.atlas-example-tab:hover {
  border-color: var(--brand-steel);
  color: var(--ink);
}

.atlas-example-tab[aria-pressed="true"] {
  border-color: var(--brand-blue);
  background: var(--brand-blue);
  color: var(--white);
}

.atlas-demo-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) auto minmax(0, 1.1fr);
  align-items: stretch;
  min-height: 28rem;
}

.atlas-raw-card,
.atlas-output-card {
  min-width: 0;
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
}

.atlas-raw-card {
  display: flex;
  flex-direction: column;
  background: var(--brand-navy);
  color: var(--white);
}

.atlas-output-card {
  background: var(--paper-light);
}

.atlas-panel-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  font-family: var(--mono);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.atlas-panel-label span {
  color: var(--accent-copper-light);
}

.atlas-output-card .atlas-panel-label span {
  color: var(--accent-copper-dark);
}

.atlas-panel-label p {
  margin: 0;
}

.atlas-raw-card blockquote {
  margin: auto 0 clamp(2.25rem, 5vw, 4rem);
  color: var(--white);
  font-family: var(--display);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.atlas-source-meta {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgb(255 253 247 / 20%);
}

.atlas-source-meta div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.45fr) minmax(0, 1fr);
  gap: 1rem;
}

.atlas-source-meta dt,
.atlas-source-meta dd {
  margin: 0;
}

.atlas-source-meta dt {
  color: var(--brand-blue-light);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.atlas-source-meta dd {
  color: #dbe4e9;
  font-size: 0.88rem;
}

.atlas-resolution-arrow {
  width: clamp(5rem, 8vw, 7rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-inline: 1px solid var(--line);
  color: var(--brand-blue-dark);
  background: var(--paper);
}

.atlas-resolution-arrow span {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.atlas-resolution-arrow b {
  font-size: 1.8rem;
  font-weight: 400;
}

.atlas-resolution-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.atlas-resolution-list > div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.45fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.atlas-resolution-list dt,
.atlas-resolution-list dd {
  margin: 0;
}

.atlas-resolution-list dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.atlas-resolution-list dd {
  font-weight: 680;
}

.atlas-reference-row dd {
  color: var(--brand-blue-dark);
  font-family: var(--mono);
  font-size: 1.08rem;
}

.atlas-confidence {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--brand-blue-dark);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.atlas-confidence::before {
  width: 0.52rem;
  height: 0.52rem;
  border-radius: 50%;
  background: var(--brand-blue);
  content: "";
}

.atlas-resolution-note {
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.atlas-demo-footnote {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 2rem;
  padding: 1.2rem clamp(1.5rem, 3.5vw, 2.75rem);
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.atlas-demo-footnote strong {
  color: var(--ink);
}

.atlas-canonical-path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: clamp(2rem, 4vw, 3.5rem) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  list-style: none;
}

.atlas-canonical-path li {
  min-width: 0;
  min-height: 12rem;
  display: flex;
  flex-direction: column;
  padding: 1.3rem;
  border-right: 1px solid var(--line);
  background: var(--paper-light);
}

.atlas-canonical-path li:last-child {
  border-right: 0;
}

.atlas-canonical-path .atlas-path-focus {
  background: var(--brand-navy);
  color: var(--white);
}

.atlas-path-index,
.atlas-path-label {
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.atlas-path-index {
  color: var(--accent-copper-dark);
}

.atlas-path-focus .atlas-path-index {
  color: var(--accent-copper-light);
}

.atlas-path-label {
  margin-top: auto;
  color: var(--ink-soft);
}

.atlas-path-focus .atlas-path-label {
  color: var(--brand-blue-light);
}

.atlas-canonical-path strong {
  margin-top: 0.35rem;
  overflow-wrap: anywhere;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.12;
}

.atlas-flow-section {
  color: var(--white);
}

.atlas-dark-heading p,
.atlas-flow-section .section-heading > p {
  color: #d6e0e5;
}

.atlas-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1.25fr);
  align-items: stretch;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  border-block: 1px solid rgb(255 253 247 / 20%);
}

.atlas-flow-step {
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.atlas-flow-step span {
  color: var(--accent-copper-light);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.atlas-flow-step p {
  max-width: 16rem;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.13;
}

.atlas-flow-focus p {
  color: var(--brand-blue-light);
}

.atlas-flow-arrow {
  display: flex;
  align-items: center;
  padding: 0 1rem;
  color: var(--brand-blue-light);
  font-size: 1.5rem;
}

.atlas-flow-branches {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1px;
  background: rgb(255 253 247 / 20%);
}

.atlas-flow-branches article {
  padding: clamp(1.6rem, 3vw, 2.4rem);
  background: var(--forest-mid);
}

.atlas-flow-branches .card-index {
  color: var(--accent-copper-light);
}

.atlas-flow-branches p:not(.card-index) {
  color: #dbe4e9;
}

.atlas-future-branch {
  border-left: 1px dashed rgb(255 253 247 / 30%);
}

.text-link-light {
  color: var(--white);
}

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

.atlas-value-grid article > span {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--accent-copper-dark);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.atlas-current-use {
  align-items: stretch;
}

.atlas-boundary-list {
  display: grid;
  align-self: stretch;
  border: 1px solid var(--line);
  background: var(--line);
  gap: 1px;
}

.atlas-boundary-list > div {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 1.05rem 1.2rem;
  background: var(--paper-light);
}

.atlas-boundary-list span {
  color: var(--brand-blue-dark);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.atlas-boundary-list p {
  margin: 0;
  font-size: 0.9rem;
}

.atlas-boundary-list .atlas-boundary-future {
  border-left: 3px solid var(--accent-copper);
  background: var(--paper);
}

.atlas-boundary-list .atlas-boundary-future span {
  color: var(--accent-copper-dark);
}

@media (max-width: 960px) {
  .atlas-problem-grid,
  .atlas-canonical-principles {
    grid-template-columns: 1fr;
  }

  .atlas-demo-stage {
    grid-template-columns: 1fr;
  }

  .atlas-resolution-arrow {
    width: 100%;
    min-height: 4rem;
    flex-direction: row;
    border-inline: 0;
    border-block: 1px solid var(--line);
  }

  .atlas-resolution-arrow span {
    writing-mode: horizontal-tb;
  }

  .atlas-resolution-arrow b {
    transform: rotate(90deg);
  }

  .atlas-canonical-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .atlas-canonical-path li,
  .atlas-canonical-path li:last-child {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .atlas-canonical-path li:nth-child(2n) {
    border-right: 0;
  }

  .atlas-canonical-path li:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .atlas-flow {
    grid-template-columns: 1fr;
  }

  .atlas-flow-step {
    min-height: 8rem;
  }

  .atlas-flow-arrow {
    justify-content: center;
    min-height: 3rem;
    padding: 0;
    transform: rotate(90deg);
  }

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

@media (max-width: 680px) {
  .wristatlas-hero-actions {
    align-items: stretch;
  }

  .wristatlas-hero-actions a {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .atlas-string-pair {
    grid-template-columns: 1fr;
  }

  .atlas-string-pair span {
    text-align: center;
  }

  .atlas-example-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .atlas-example-tab {
    border-radius: 0;
  }

  .atlas-source-meta div,
  .atlas-resolution-list > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .atlas-demo-footnote,
  .atlas-flow-branches,
  .atlas-value-grid {
    grid-template-columns: 1fr;
  }

  .atlas-future-branch {
    border-top: 1px dashed rgb(255 253 247 / 30%);
    border-left: 0;
  }

  .atlas-canonical-path {
    grid-template-columns: 1fr;
  }

  .atlas-canonical-path li,
  .atlas-canonical-path li:nth-child(2n),
  .atlas-canonical-path li:last-child {
    grid-column: auto;
    min-height: 8.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .atlas-canonical-path li:last-child {
    border-bottom: 0;
  }

  .atlas-boundary-list > div {
    grid-template-columns: 4.2rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atlas-example-tab {
    scroll-behavior: auto;
  }
}