:root {
  --navy-950: #01030f;
  --navy-900: #020616;
  --navy-800: #050a1b;
  --cavbot-lime: #b9c85a;
  --cavbot-blue: #589fff;
  --violet: #8b5cff;

  --ink: #f7fbff;
  --ink-soft: #c5cee7;
  --ink-subtle: #8890aa;

  --line-soft: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.22);

  --panel-radius-lg: 20px;
  --panel-radius-md: 14px;
  --panel-radius-sm: 10px;

  --space-xxl: 84px;
  --space-xl: 56px;
  --space-lg: 40px;
  --space-md: 28px;
  --space-sm: 18px;
  --space-xs: 10px;

  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink-soft);
  background: var(--navy-950);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  opacity: 0;
  animation: page-fade-in 220ms ease-out forwards;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-shell {
    animation: none;
    opacity: 1;
  }
}

.page-research-main {
  flex: 1;
  padding: var(--space-xl) 20px var(--space-xxl);
}

.research-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.research-hero {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-lg);
  background: rgba(2, 6, 23, 0.96);
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  gap: 28px;
  padding: 26px;
  align-items: start;
}

.hero-title {
  margin: 12px 0 0;
  font-size: 30px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.12;
}

.hero-lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 48rem;
}

.hero-meta-row {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.meta-stat {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.88);
  padding: 10px 12px;
}

.meta-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.meta-stat strong {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}

.control-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-md);
  background: rgba(2, 6, 23, 0.9);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.side-title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.3;
}

.side-body {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.9);
  padding: 10px 12px;
}

.search-icon {
  flex: 0 0 auto;
  font-size: 13px;
  line-height: 1;
  color: var(--ink-subtle);
}

.search input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  line-height: 1.4;
}

.search input::placeholder {
  color: var(--ink-subtle);
}

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

.filter-button {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.9);
  color: var(--ink-soft);
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.15;
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease, background-color 140ms ease;
}

.filter-button:hover,
.filter-button:focus-visible {
  border-color: rgba(185, 200, 90, 0.78);
  color: var(--ink);
  box-shadow: 0 0 0 1px rgba(185, 200, 90, 0.34);
  outline: none;
}

.filter-button.is-active {
  border-color: rgba(185, 200, 90, 0.66);
  color: var(--ink);
  background: rgba(8, 14, 31, 0.95);
}

.sort-wrap {
  position: relative;
}

.sort-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.92);
  color: var(--ink);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.15;
  padding: 10px 36px 10px 12px;
  cursor: pointer;
}

.sort-select:focus-visible {
  outline: none;
  border-color: var(--line-strong);
}

.sort-wrap::after {
  content: "\25BE";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-52%);
  color: var(--ink-subtle);
  font-size: 11px;
  line-height: 1;
  pointer-events: none;
}

.result-status {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.research-card {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.96);
  overflow: hidden;
  min-height: 100%;
  transition: border-color 140ms ease, transform 140ms ease;
}

.research-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.research-link {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.tablet-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: var(--navy-900);
}

.tablet-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.tablet-glass {
  display: none;
}

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.card-label-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-label {
  border: 1px solid var(--line-soft);
  border-radius: 7px;
  background: rgba(2, 6, 23, 0.9);
  color: var(--ink-subtle);
  padding: 4px 8px;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.15;
}

.card-date {
  font-size: 11px;
  line-height: 1.45;
  color: var(--ink-subtle);
}

.card-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.card-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.cta-row {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.2;
}

.cta-row span {
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1;
}

.lab-section {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-lg);
  background: rgba(2, 6, 23, 0.95);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 20px;
  padding: 24px;
  align-items: stretch;
}

.lab-title {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.3;
}

.lab-lede {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 68ch;
}

.lab-points {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.lab-point {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.9);
  padding: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
}

.lab-dot {
  width: 8px;
  height: 8px;
  margin-top: 3px;
  border-radius: 999px;
  background: rgba(197, 206, 231, 0.65);
  flex-shrink: 0;
  align-self: start;
}

.lab-dot--lime {
  background: rgba(185, 200, 90, 0.92);
  box-shadow: none;
}

.lab-dot--blue {
  background: rgba(88, 159, 255, 0.9);
  box-shadow: none;
}

.lab-dot--violet {
  background: rgba(142, 114, 255, 0.9);
  box-shadow: none;
}

.lab-left-ai {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.9);
  padding: 12px;
  display: grid;
  gap: 8px;
  max-width: 68ch;
}

.lab-point h3 {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.3;
}

.lab-point > div {
  display: grid;
  gap: 8px;
}

.lab-point p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.lab-right {
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-md);
  background: rgba(2, 6, 23, 0.9);
  padding: 14px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
}

.signal-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.signals {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.signal {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.9);
  padding: 10px;
  display: grid;
  gap: 6px;
}

.lab-right-ai {
  margin-top: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--panel-radius-sm);
  background: rgba(2, 6, 23, 0.92);
  padding: 12px;
  flex: 1 1 auto;
  display: grid;
  gap: 10px;
  align-content: start;
}

.lab-ai-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.35;
  color: var(--ink);
}

.lab-ai-lede {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.lab-ai-grid {
  display: grid;
  gap: 8px;
}

.lab-ai-item {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.9);
  padding: 10px;
  display: grid;
  gap: 6px;
}

.lab-ai-item-k {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.lab-ai-item p {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.lab-ai-foot {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.9);
  padding: 10px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.lab-ai-foot-label {
  color: var(--cavbot-lime);
  font-weight: 600;
}

.signal-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-subtle);
  line-height: 1.2;
}

.signal-value {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.3;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1000px) {
  .research-hero {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .lab-section {
    grid-template-columns: 1fr;
  }

  .hero-meta-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-research-main {
    padding: var(--space-lg) 16px var(--space-xl);
  }

  .research-hero,
  .lab-section {
    padding: 18px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-lede {
    font-size: 14px;
    line-height: 1.8;
  }

  .hero-meta-row {
    grid-template-columns: 1fr;
  }

  .card-title {
    font-size: 14px;
  }

  .card-desc {
    font-size: 13px;
  }
}

@media (min-width: 961px) {
  .nav-overlay {
    display: none !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}