/* GEOLiNK · page styles · TOP600B
   Scope: every selector is page-prefixed (pg-top600b-). */

/* 1 · Hero — data-led, serial count first */
.pg-top600b-hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(var(--color-cyan-rgb), 0.06) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, var(--color-lab-raised) 0%, var(--color-ice-deep) 100%);
  background-size: 96px 100%, 100% 100%;
}

.pg-top600b-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  padding-block: clamp(48px, 6vw, 84px) clamp(40px, 5vw, 68px);
}

.pg-top600b-title {
  margin-top: var(--space-3);
  font-size: clamp(54px, 7.6vw, 98px);
  line-height: 0.96;
}

.pg-top600b-count {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-top: var(--space-3);
  color: var(--accent-ink);
}

.pg-top600b-count strong {
  font-family: var(--font-display);
  font-size: clamp(62px, 9vw, 118px);
  font-weight: var(--weight-light);
  letter-spacing: -0.06em;
  line-height: 0.8;
}

.pg-top600b-count span {
  font-family: var(--font-mono);
  font-size: clamp(11px, 1.3vw, 14px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pg-top600b-hero-lead {
  margin-top: var(--space-5);
  max-width: 46ch;
}

.pg-top600b-hero-actions {
  margin-top: var(--space-6);
}

.pg-top600b-stage {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0;
  aspect-ratio: 1 / 1;
  isolation: isolate;
}

.pg-top600b-ring {
  position: absolute;
  width: 82%;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(var(--color-cyan-rgb), 0.28);
  border-radius: 50%;
}

.pg-top600b-ring::before {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px dashed rgba(var(--color-cyan-rgb), 0.16);
  border-radius: 50%;
}

.pg-top600b-ring::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(var(--color-cyan-rgb), 0.5);
}

.pg-top600b-cross {
  position: absolute;
  background: var(--gradient-hairline);
  opacity: 0.7;
}

.pg-top600b-cross--h {
  width: 96%;
  height: 1px;
}

.pg-top600b-cross--v {
  width: 1px;
  height: 92%;
  background: linear-gradient(180deg, transparent, rgba(var(--color-cyan-rgb), 0.18), transparent);
}

.pg-top600b-stage img {
  position: relative;
  z-index: 2;
  width: 86%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  filter: drop-shadow(0 28px 34px rgba(var(--color-graphite-rgb), 0.22));
}

.pg-top600b-stage-cap {
  position: absolute;
  z-index: 3;
  bottom: 1%;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 9px;
  border: 1px solid var(--line);
  background: rgba(var(--color-lab-white-rgb), 0.9);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pg-top600b-callout {
  position: absolute;
  z-index: 3;
  padding: 3px 7px;
  border: 1px solid var(--line);
  background: rgba(var(--color-lab-white-rgb), 0.9);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pg-top600b-callout--x {
  left: 1%;
  top: 46%;
}

.pg-top600b-callout--y {
  right: 1%;
  top: 58%;
}

/* 2 · Facts */
.pg-top600b-facts {
  border-bottom: 1px solid var(--line);
  background: var(--color-lab-raised);
}

.pg-top600b-fact-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.pg-top600b-fact {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-left: 1px solid var(--line-soft);
}

.pg-top600b-fact:first-child {
  border-left: 0;
  padding-left: 0;
}

.pg-top600b-fact svg {
  grid-row: 1 / span 2;
  color: var(--accent-ink);
}

.pg-top600b-fact-val {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: var(--weight-light);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.pg-top600b-fact-key {
  margin-top: 3px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 3 · Gallery — four equal squares */
.pg-top600b-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: var(--space-7);
}

.pg-top600b-shot {
  margin: 0;
}

.pg-top600b-shot-frame {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  padding: clamp(14px, 1.8vw, 22px);
  border: 1px solid var(--line);
  background:
    radial-gradient(70% 70% at 50% 44%, var(--color-white), transparent 72%),
    var(--gradient-ice);
}

.pg-top600b-shot-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pg-top600b-shot figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 8.5px;
  line-height: 1.55;
}

.pg-top600b-shot figcaption b {
  color: var(--ink);
  font-weight: var(--weight-regular);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 4 · Specification */
.pg-top600b-spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  margin-top: var(--space-6);
}

.pg-top600b-spec-scroll {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.pg-top600b-spec {
  min-width: 660px;
}

.pg-top600b-spec-figure {
  margin: 0;
  padding: var(--space-5);
  border: 1px solid var(--line);
  background: var(--color-lab-raised);
}

.pg-top600b-spec-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.pg-top600b-spec-figure figcaption {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.6;
}

/* 5 · Two-state diagram */
.pg-top600b-diagram {
  border-block: 1px solid var(--line);
  background: var(--color-ice-deep);
}

.pg-top600b-diagram-panel {
  margin: var(--space-6) 0 0;
  padding: clamp(16px, 2.4vw, 32px);
  border: 1px solid var(--line);
  background: rgba(var(--color-lab-raised-rgb), 0.9);
}

.pg-top600b-diagram-panel svg {
  display: block;
  width: 100%;
  height: auto;
}

.pg-top600b-diagram-note {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.5;
}

/* 6 · Applications */
.pg-top600b-apps {
  border-bottom: 1px solid var(--line);
}

.pg-top600b-apps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.66fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
}

.pg-top600b-app-list {
  display: grid;
  margin-top: var(--space-6);
  list-style: none;
}

.pg-top600b-app-list li {
  display: grid;
  gap: 4px;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--line);
}

.pg-top600b-app-list strong {
  font-size: 15px;
  font-weight: var(--weight-medium);
}

.pg-top600b-app-list span {
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
}

.pg-top600b-app-scene {
  margin: 0;
}

.pg-top600b-app-scene img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.pg-top600b-app-scene figcaption {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}

/* 7 · Options */
.pg-top600b-options-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
  margin-top: var(--space-5);
}

.pg-top600b-compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.pg-top600b-compare th {
  padding: 0 12px 10px 0;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: var(--weight-regular);
  letter-spacing: 0.09em;
  text-align: left;
  text-transform: uppercase;
}

.pg-top600b-compare td {
  padding: 12px 12px 12px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text-secondary);
  font-size: 12.5px;
  line-height: 1.55;
  vertical-align: top;
}

.pg-top600b-compare td:first-child {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pg-top600b-option-figure {
  margin: 0;
}

.pg-top600b-option-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: var(--space-4);
  border: 1px solid var(--line);
  background: var(--color-lab-raised);
}

.pg-top600b-option-figure figcaption {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.6;
}

/* 8 · Related */
.pg-top600b-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-5);
}

.pg-top600b-related-media {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  padding: var(--space-5);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(64% 62% at 50% 44%, var(--color-white), transparent 74%),
    var(--gradient-ice);
}

.pg-top600b-related-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 9 · CTA */
.pg-top600b-cta {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(var(--color-cyan-rgb), 0.1), transparent 46%),
    var(--color-lab-raised);
}

.pg-top600b-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.52fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.pg-top600b-cta-copy p {
  margin-top: var(--space-3);
  max-width: 56ch;
  color: var(--text-secondary);
}

.pg-top600b-cta-btn {
  margin-top: var(--space-5);
}

.pg-top600b-cta-figure {
  margin: 0;
  padding: var(--space-5);
  border: 1px solid var(--line);
  background: var(--color-white);
}

.pg-top600b-cta-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.pg-top600b-cta-figure figcaption {
  margin-top: var(--space-2);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .pg-top600b-hero-grid,
  .pg-top600b-spec-grid,
  .pg-top600b-apps-grid,
  .pg-top600b-options-grid,
  .pg-top600b-cta-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pg-top600b-stage {
    max-width: 560px;
    margin-inline: auto;
  }

  .pg-top600b-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pg-top600b-app-scene {
    max-width: 380px;
  }

  .pg-top600b-cta-figure {
    max-width: 420px;
  }
}

@media (max-width: 640px) {
  .pg-top600b-fact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pg-top600b-fact:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }

  .pg-top600b-gallery-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pg-top600b-count {
    flex-direction: column;
    gap: 4px;
  }
}

/* Keep portrait product shots inside their square frames. */
.pg-top600b-shot-frame {
  overflow: hidden;
  grid-template-rows: minmax(0, 1fr);
}

.pg-top600b-shot-frame img {
  min-width: 0;
  min-height: 0;
}

/* Related cards: one per row on small phones */
@media (max-width: 640px) {
  .pg-top600b-related-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}