:root {
  --vld-nav-h: 64px;
  --vld-container: 1200px;
  --vld-reading-col: 680px;
  --vld-article-col: 820px;
  --vld-bg-deep: #0B1D34;
  --vld-bg-alt-dark: #0E2440;
  --vld-bg-surface: #F4F8FC;
  --vld-bg-alt-light: #EAF3F1;
  --vld-accent: #0DC4B2;
  --vld-accent-on-light: #076B65;
  --vld-accent-coral: #E85C42;
  --vld-text-on-dark: #E8F2F6;
  --vld-text-muted-dark: #9BB8CC;
  --vld-text-primary: #0B1D34;
  --vld-text-muted: #4B6578;
  --vld-radius: 8px;
  --vld-radius-lg: 16px;
  --vld-transition: 220ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[id] {
  scroll-margin-top: var(--vld-nav-h);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.vld-page--dark-top {
  background: var(--vld-bg-deep);
  color: var(--vld-text-on-dark);
}

.vld-page--light-top {
  background: var(--vld-bg-surface);
  color: var(--vld-text-primary);
}

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

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

ul,
ol {
  list-style: none;
}

h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.75rem);
  line-height: 1.1;
  margin: 0;
}

h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw + 0.75rem, 2.625rem);
  line-height: 1.2;
  margin: 0;
}

h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.75rem);
  line-height: 1.25;
  margin: 0;
}

h4 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.4;
  margin: 0;
}

p {
  line-height: 1.7;
}

code,
pre,
.vld-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.vld-container {
  width: 100%;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-reading {
  max-width: var(--vld-reading-col);
  margin-inline: auto;
}

.vld-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-bg--dark {
  background: var(--vld-bg-deep);
  color: var(--vld-text-on-dark);
}

.vld-bg--dark-alt {
  background: var(--vld-bg-alt-dark);
  color: var(--vld-text-on-dark);
}

.vld-bg--light {
  background: var(--vld-bg-surface);
  color: var(--vld-text-primary);
}

.vld-bg--light-alt {
  background: var(--vld-bg-alt-light);
  color: var(--vld-text-primary);
}

.vld-bg--brand {
  background: var(--vld-accent);
  color: var(--vld-bg-deep);
}

.vld-eyebrow {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.vld-bg--dark .vld-eyebrow,
.vld-bg--dark-alt .vld-eyebrow,
.vld-page--dark-top .vld-eyebrow {
  color: var(--vld-accent);
}

.vld-bg--light .vld-eyebrow,
.vld-bg--light-alt .vld-eyebrow,
.vld-page--light-top .vld-eyebrow {
  color: var(--vld-accent-on-light);
}

.vld-page--light-top .vld-bg--dark .vld-eyebrow,
.vld-page--light-top .vld-bg--dark-alt .vld-eyebrow {
  color: var(--vld-accent);
}

.vld-bg--brand .vld-eyebrow {
  color: var(--vld-bg-deep);
  opacity: 0.7;
}

.vld-section-title {
  margin-bottom: 1rem;
}

.vld-section-sub {
  font-size: 1.0625rem;
  max-width: 48ch;
  line-height: 1.65;
}

.vld-bg--dark .vld-section-sub,
.vld-bg--dark-alt .vld-section-sub {
  color: var(--vld-text-muted-dark);
}

.vld-bg--light .vld-section-sub,
.vld-bg--light-alt .vld-section-sub {
  color: var(--vld-text-muted);
}

.vld-text--muted {
  color: var(--vld-text-muted);
}

.vld-bg--dark .vld-text--muted,
.vld-bg--dark-alt .vld-text--muted {
  color: var(--vld-text-muted-dark);
}

.vld-section-header {
  text-align: center;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.vld-section-header .vld-section-sub {
  margin-inline: auto;
}


.vld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--vld-radius);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background var(--vld-transition), color var(--vld-transition), border-color var(--vld-transition), transform 100ms ease;
  white-space: nowrap;
}

.vld-btn:hover {
  transform: translateY(-1px);
}

.vld-btn--primary {
  background: var(--vld-accent);
  color: var(--vld-bg-deep);
  border-color: var(--vld-accent);
}

.vld-btn--primary:hover {
  background: #0DAFC0;
  border-color: #0DAFC0;
}

.vld-btn--outline-on-dark {
  background: transparent;
  color: var(--vld-text-on-dark);
  border-color: rgba(232, 242, 246, 0.35);
}

.vld-btn--outline-on-dark:hover {
  border-color: var(--vld-text-on-dark);
  background: rgba(232, 242, 246, 0.07);
}

.vld-btn--ghost-on-dark {
  background: transparent;
  color: var(--vld-text-on-dark);
  border-color: transparent;
}

.vld-btn--ghost-on-dark:hover {
  background: rgba(232, 242, 246, 0.08);
}

.vld-btn--ghost-on-light {
  background: transparent;
  color: var(--vld-text-primary);
  border-color: transparent;
}

.vld-btn--ghost-on-light:hover {
  background: rgba(11, 29, 52, 0.06);
}

.vld-btn--text-link {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  font-weight: 600;
  color: var(--vld-accent-on-light);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--vld-transition), color var(--vld-transition);
}

.vld-btn--text-link:hover {
  text-decoration-color: currentColor;
}

.vld-bg--dark .vld-btn--text-link,
.vld-bg--dark-alt .vld-btn--text-link {
  color: var(--vld-accent);
}

.vld-btn--sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
}

.vld-btn--lg {
  padding: 0.875rem 1.875rem;
  font-size: 1rem;
}


.vld-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--vld-nav-h);
  background: var(--vld-bg-deep);
  border-bottom: 1px solid rgba(155, 184, 204, 0.12);
}

.vld-nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  gap: 2rem;
}

.vld-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.vld-nav__logo img {
  height: 32px;
  width: auto;
}

.vld-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.vld-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  color: var(--vld-text-muted-dark);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  transition: color var(--vld-transition), background var(--vld-transition);
}

.vld-nav__link:hover,
.vld-nav__link--active {
  color: var(--vld-text-on-dark);
  background: rgba(232, 242, 246, 0.07);
}

.vld-nav__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.vld-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background var(--vld-transition);
}

.vld-nav__hamburger:hover {
  background: rgba(232, 242, 246, 0.08);
}

.vld-nav__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--vld-text-on-dark);
  border-radius: 2px;
  transition: transform 280ms ease, opacity 200ms ease;
}

.vld-nav__hamburger[aria-expanded="true"] .vld-nav__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.vld-nav__hamburger[aria-expanded="true"] .vld-nav__bar:nth-child(2) {
  opacity: 0;
}

.vld-nav__hamburger[aria-expanded="true"] .vld-nav__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.vld-nav__drawer {
  position: fixed;
  top: var(--vld-nav-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--vld-bg-alt-dark);
  z-index: 999;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateX(-100%);
  transition: transform 300ms ease;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
}

.vld-nav__drawer--open {
  transform: translateX(0);
}

.vld-nav__drawer-links {
  width: 100%;
  overflow: hidden;
}

.vld-nav__drawer-link {
  display: block;
  padding: 0.875rem 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--vld-text-on-dark);
  border-bottom: 1px solid rgba(155, 184, 204, 0.1);
  transition: color var(--vld-transition);
}

.vld-nav__drawer-link:hover {
  color: var(--vld-accent);
}

.vld-nav__drawer-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.vld-nav__drawer-actions .vld-btn {
  justify-content: center;
}


.vld-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.75rem);
  line-height: 1.1;
  color: var(--vld-text-on-dark);
}

.vld-hero__sub {
  font-size: clamp(1rem, 1.5vw + 0.25rem, 1.1875rem);
  line-height: 1.65;
  color: var(--vld-text-muted-dark);
  max-width: 44ch;
}

.vld-hero__cta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 0.5rem;
}

.vld-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vld-hero__visual svg {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: var(--vld-radius);
}


.vld-problem__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-problem__lead {
  font-size: clamp(1.0625rem, 1.5vw + 0.5rem, 1.25rem);
  line-height: 1.65;
  color: var(--vld-text-muted);
}

.vld-problem__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.vld-stat-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.vld-stat-card__number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.25rem;
  color: var(--vld-accent-on-light);
  line-height: 1;
}

.vld-stat-card__label {
  font-size: 0.875rem;
  color: var(--vld-text-muted);
  line-height: 1.5;
}


.vld-platform-intro__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-platform-intro__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-platform-intro__desc {
  color: var(--vld-text-muted-dark);
  line-height: 1.7;
}

.vld-platform-intro__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vld-platform-intro__visual svg {
  width: 100%;
  max-width: 560px;
  height: auto;
}

.vld-flow-diagram {
  width: 100%;
  max-width: 560px;
}


.vld-science-snapshot__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-science-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vld-science-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--vld-bg-alt-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vld-accent-on-light);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.vld-science-card__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--vld-text-primary);
  line-height: 1.4;
  margin: 0;
}

.vld-science-card__body {
  font-size: 0.9rem;
  color: var(--vld-text-muted);
  line-height: 1.65;
}


.vld-use-cases-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-uc-card {
  background: var(--vld-bg-alt-dark);
  border: 1px solid rgba(155, 184, 204, 0.1);
  border-radius: var(--vld-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--vld-transition);
}

.vld-uc-card:hover {
  border-color: rgba(13, 196, 178, 0.3);
}

.vld-uc-card__phase {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vld-accent);
  opacity: 0.75;
}

.vld-uc-card__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--vld-text-on-dark);
  line-height: 1.4;
  margin: 0;
}

.vld-uc-card__body {
  font-size: 0.9rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.65;
}

.vld-uc-card__link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--vld-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--vld-transition);
}

.vld-uc-card__link:hover {
  gap: 0.5rem;
}


.vld-capability-proof__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.vld-capability-panel {
  background: var(--vld-bg-alt-dark);
  border: 1px solid rgba(155, 184, 204, 0.1);
  border-radius: var(--vld-radius-lg);
  overflow: hidden;
}

.vld-capability-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.vld-capability-panel__col {
  padding: 1.75rem;
}

.vld-capability-panel__col + .vld-capability-panel__col {
  border-left: 1px solid rgba(155, 184, 204, 0.1);
}

.vld-capability-panel__header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vld-accent);
  border-bottom: 1px solid rgba(13, 196, 178, 0.25);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.vld-capability-panel__rows {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.vld-capability-panel__row {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--vld-text-on-dark);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.vld-capability-panel__row::before {
  content: ">";
  color: var(--vld-accent);
  opacity: 0.6;
  flex-shrink: 0;
}


.vld-team-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-team-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.vld-team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--vld-bg-alt-dark);
  color: var(--vld-text-on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  flex-shrink: 0;
  overflow: hidden;
}

.vld-team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vld-team-card__name {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--vld-text-primary);
  margin: 0;
  line-height: 1.3;
}

.vld-team-card__role {
  font-size: 0.875rem;
  color: var(--vld-accent-on-light);
  line-height: 1.4;
}

.vld-team-card__bio {
  font-size: 0.875rem;
  color: var(--vld-text-muted);
  line-height: 1.65;
}

.vld-team-full {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-team-full__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-team-full-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.vld-team-full-card__portrait {
  aspect-ratio: 1;
  background: var(--vld-bg-alt-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 3rem;
  color: var(--vld-text-on-dark);
}

.vld-team-full-card__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1;
}

.vld-team-full-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.vld-team-full-card__name {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--vld-text-primary);
  margin: 0;
  line-height: 1.3;
}

.vld-team-full-card__role {
  font-size: 0.875rem;
  color: var(--vld-accent-on-light);
  font-weight: 500;
}

.vld-team-full-card__bio {
  font-size: 0.9rem;
  color: var(--vld-text-muted);
  line-height: 1.65;
}


.vld-early-access-cta {
  text-align: center;
}

.vld-early-access-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-early-access-cta__title {
  color: var(--vld-bg-deep);
}

.vld-early-access-cta__sub {
  color: rgba(11, 29, 52, 0.8);
  font-size: 1.0625rem;
  max-width: 44ch;
  line-height: 1.65;
}

.vld-early-access-cta__btns {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}


.vld-footer {
  padding-block: clamp(3rem, 5vw, 4rem) 1.5rem;
}

.vld-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(155, 184, 204, 0.12);
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vld-footer__brand img {
  height: 28px;
  width: auto;
}

.vld-footer__brand-tagline {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.6;
  max-width: 26ch;
}

.vld-footer__col-title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vld-text-on-dark);
  margin-bottom: 0.875rem;
}

.vld-footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.vld-footer__col-link {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
  transition: color var(--vld-transition);
}

.vld-footer__col-link:hover {
  color: var(--vld-text-on-dark);
}

.vld-footer__contact-item {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.5;
}

.vld-footer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.5rem;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-footer__copy {
  font-size: 0.8125rem;
  color: var(--vld-text-muted-dark);
}

.vld-footer__legal-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.vld-footer__legal-link {
  font-size: 0.8125rem;
  color: var(--vld-text-muted-dark);
  transition: color var(--vld-transition);
}

.vld-footer__legal-link:hover {
  color: var(--vld-text-on-dark);
}


.vld-platform-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-platform-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.vld-platform-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-platform-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.75rem);
  line-height: 1.1;
  color: var(--vld-text-on-dark);
}

.vld-platform-hero__sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--vld-text-muted-dark);
}

.vld-platform-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}


.vld-data-ingestion__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.vld-data-ingestion__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-data-ingestion__features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vld-feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.vld-feature-item__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--vld-bg-alt-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vld-accent-on-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.vld-bg--dark .vld-feature-item__icon,
.vld-bg--dark-alt .vld-feature-item__icon {
  background: rgba(13, 196, 178, 0.1);
  color: var(--vld-accent);
}

.vld-feature-item__title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--vld-text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.vld-bg--dark .vld-feature-item__title,
.vld-bg--dark-alt .vld-feature-item__title {
  color: var(--vld-text-on-dark);
}

.vld-feature-item__body {
  font-size: 0.875rem;
  color: var(--vld-text-muted);
  line-height: 1.6;
}

.vld-bg--dark .vld-feature-item__body,
.vld-bg--dark-alt .vld-feature-item__body {
  color: var(--vld-text-muted-dark);
}


.vld-simulation-core__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-simulation-core__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}


.vld-subgroup-output__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.vld-subgroup-output__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-output-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.vld-output-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--vld-text-muted);
  line-height: 1.55;
}

/* .vld-output-item::before removed: HTML already provides fa-check-circle icon */


.vld-workflow-integration__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.vld-integration-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.vld-integration-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.1);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--vld-text-primary);
}


.vld-technical-specs__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-spec-card {
  background: var(--vld-bg-alt-dark);
  border: 1px solid rgba(155, 184, 204, 0.08);
  border-radius: var(--vld-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.vld-spec-card__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vld-accent);
  opacity: 0.75;
}

.vld-spec-card__value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--vld-text-on-dark);
  line-height: 1.4;
}

.vld-spec-card__desc {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.55;
}


.vld-subhero {
  padding-top: calc(var(--vld-nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.vld-subhero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.vld-subhero--centered .vld-subhero__inner {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 800px;
}

.vld-subhero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-subhero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3.25rem);
  line-height: 1.15;
}

.vld-bg--dark .vld-subhero__h1,
.vld-bg--dark-alt .vld-subhero__h1 {
  color: var(--vld-text-on-dark);
}

.vld-bg--light .vld-subhero__h1,
.vld-bg--light-alt .vld-subhero__h1 {
  color: var(--vld-text-primary);
}

.vld-subhero__sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 44ch;
}

.vld-bg--dark .vld-subhero__sub,
.vld-bg--dark-alt .vld-subhero__sub {
  color: var(--vld-text-muted-dark);
}

.vld-bg--light .vld-subhero__sub,
.vld-bg--light-alt .vld-subhero__sub {
  color: var(--vld-text-muted);
}

.vld-subhero__ornament {
  display: flex;
  align-items: center;
  justify-content: center;
}


.vld-science-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-science-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.vld-science-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-science-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.75rem);
  line-height: 1.1;
  color: var(--vld-text-primary);
}

.vld-science-hero__sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--vld-text-muted);
  max-width: 44ch;
}

.vld-science-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}


.vld-method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-method-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vld-method-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--vld-accent-on-light);
}

.vld-method-card__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--vld-text-primary);
  margin: 0;
  line-height: 1.4;
}

.vld-method-card__body {
  font-size: 0.9rem;
  color: var(--vld-text-muted);
  line-height: 1.65;
}


.vld-publication-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-pub-item {
  background: var(--vld-bg-alt-dark);
  border: 1px solid rgba(155, 184, 204, 0.1);
  border-radius: var(--vld-radius);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
}

.vld-pub-item__year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  color: var(--vld-accent);
  opacity: 0.8;
  white-space: nowrap;
}

.vld-pub-item__title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--vld-text-on-dark);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.vld-pub-item__meta {
  font-size: 0.8125rem;
  color: var(--vld-text-muted-dark);
}


.vld-uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
}

.vld-uc-full-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-uc-full-card__tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vld-accent-on-light);
  background: var(--vld-bg-alt-light);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.vld-uc-full-card__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--vld-text-primary);
  margin: 0;
  line-height: 1.35;
}

.vld-uc-full-card__body {
  font-size: 0.9375rem;
  color: var(--vld-text-muted);
  line-height: 1.7;
}

.vld-uc-full-card__outcomes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.vld-uc-full-card__outcome {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--vld-text-muted);
  line-height: 1.5;
}

/* .vld-uc-full-card__outcome::before removed: HTML already provides fa-circle-dot icon */


.vld-about-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-about-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.vld-about-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-about-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.75rem);
  line-height: 1.1;
  color: var(--vld-text-primary);
}

.vld-about-hero__sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--vld-text-muted);
  max-width: 44ch;
}

.vld-about-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vld-mission-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-mission-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.vld-mission-section__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-mission-section__body {
  font-size: 1.0625rem;
  color: var(--vld-text-muted);
  line-height: 1.75;
}

.vld-mission-section__facts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-self: center;
}

.vld-fact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem;
  background: var(--vld-bg-alt-light);
  border-radius: var(--vld-radius);
  border: 1px solid rgba(7,107,101,0.15);
  box-shadow: 0 1px 3px rgba(11,29,52,0.06);
  border-left: 3px solid var(--vld-accent-on-light);
}

.vld-fact-item__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vld-accent-on-light);
}

.vld-fact-item__value {
  font-weight: 600;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--vld-text-primary);
}


.vld-contact-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-contact-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.vld-contact-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.vld-contact-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.25rem);
  line-height: 1.1;
  color: var(--vld-text-primary);
}

.vld-contact-hero__sub {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--vld-text-muted);
}

.vld-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  padding: 2rem;
}

.vld-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.vld-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.vld-form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--vld-text-primary);
}

.vld-form-input,
.vld-form-textarea,
.vld-form-select {
  padding: 0.625rem 0.875rem;
  background: var(--vld-bg-surface);
  border: 1px solid rgba(11, 29, 52, 0.15);
  border-radius: 6px;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  color: var(--vld-text-primary);
  transition: border-color var(--vld-transition), box-shadow var(--vld-transition);
  outline: none;
}

.vld-form-input:focus,
.vld-form-textarea:focus,
.vld-form-select:focus {
  border-color: var(--vld-accent-on-light);
  box-shadow: 0 0 0 3px rgba(7, 107, 101, 0.12);
}

.vld-form-textarea {
  resize: vertical;
  min-height: 120px;
}

.vld-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.vld-contact-info--grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.vld-contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.vld-contact-info-item__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--vld-bg-alt-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vld-accent-on-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.vld-contact-info-item__label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--vld-text-muted);
  margin-bottom: 0.25rem;
}

.vld-contact-info-item__value {
  font-size: 0.9375rem;
  color: var(--vld-text-primary);
}


.vld-blog-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.vld-blog-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-blog-hero__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw + 0.5rem, 3.25rem);
  line-height: 1.1;
  color: var(--vld-text-primary);
  margin-bottom: 0.75rem;
}

.vld-blog-hero__sub {
  font-size: 1.0625rem;
  color: var(--vld-text-muted);
  max-width: 56ch;
}

.vld-blog-filters {
  padding-block: 1.5rem;
}

.vld-blog-filters__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.vld-blog-filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.875rem;
  border-radius: 100px;
  border: 1px solid rgba(11, 29, 52, 0.12);
  background: white;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--vld-text-muted);
  cursor: pointer;
  transition: all var(--vld-transition);
}

.vld-blog-filter-btn:hover,
.vld-blog-filter-btn.is-active {
  background: var(--vld-accent-on-light);
  border-color: var(--vld-accent-on-light);
  color: white;
}

.vld-blog-grid {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-blog-grid__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.vld-blog-card {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--vld-transition), transform var(--vld-transition);
}

.vld-blog-card:hover {
  box-shadow: 0 4px 24px rgba(11, 29, 52, 0.1);
  transform: translateY(-2px);
}

.vld-blog-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.vld-blog-card__cat {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vld-accent-on-light);
  background: var(--vld-bg-alt-light);
  padding: 0.2rem 0.625rem;
  border-radius: 100px;
  align-self: flex-start;
}

.vld-blog-card__title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--vld-text-primary);
  margin: 0;
  line-height: 1.4;
}

.vld-blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--vld-text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.vld-blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(11, 29, 52, 0.07);
  font-size: 0.8125rem;
  color: var(--vld-text-muted);
}

.vld-blog-cta {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-blog-cta__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.vld-blog-cta__title {
  color: var(--vld-text-on-dark);
}

.vld-blog-cta__sub {
  font-size: 1.0625rem;
  color: var(--vld-text-muted-dark);
  max-width: 44ch;
}


.vld-article-body {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-article-body__inner {
  max-width: var(--vld-article-col);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-article-content { /* JS state hook, no styling */ }

.vld-article-content p {
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  color: var(--vld-text-primary);
  line-height: 1.8;
}

.vld-article-content h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.375rem, 2vw + 0.5rem, 2rem);
  color: var(--vld-text-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.vld-article-content h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.5rem);
  color: var(--vld-text-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.vld-article-content ul,
.vld-article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.vld-article-content li {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
  color: var(--vld-text-primary);
  line-height: 1.75;
  list-style: disc;
}

.vld-article-content ol li {
  list-style: decimal;
}

.vld-article-content blockquote {
  border-left: 3px solid var(--vld-accent-on-light);
  padding-left: 1.25rem;
  margin: 2rem 0;
  font-size: 1.125rem;
  color: var(--vld-text-muted);
  line-height: 1.7;
  font-style: italic;
}

.vld-article-content pre {
  background: var(--vld-bg-alt-dark);
  border-radius: var(--vld-radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
  max-width: 100%;
}

.vld-article-content code {
  font-size: 0.875rem;
  color: var(--vld-accent);
}

.vld-article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--vld-accent);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: gap var(--vld-transition);
}

.vld-article-back:hover {
  gap: 0.625rem;
}

.vld-article-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.vld-article-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-article-hero__back-wrap {
  max-width: var(--vld-article-col);
  margin-inline: auto;
  margin-bottom: 1.5rem;
}

.vld-article-hero__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.vld-article-hero__cat {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vld-text-on-dark);
  background: rgba(13, 196, 178, 0.15);
  padding: 0.2rem 0.625rem;
  border-radius: 100px;
}

.vld-article-hero__date {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
}

.vld-article-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.75rem, 3vw + 0.5rem, 3rem);
  line-height: 1.15;
  color: var(--vld-text-on-dark);
  margin-bottom: 1rem;
  max-width: var(--vld-article-col);
}

.vld-article-hero__byline {
  font-size: 0.9rem;
  color: var(--vld-text-muted-dark);
}

.vld-article-cover {
  max-width: var(--vld-article-col);
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.vld-article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--vld-radius);
}

.vld-article-related {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.vld-article-related__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-article-related__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem);
  color: var(--vld-text-primary);
  margin-bottom: 1.5rem;
}

.vld-article-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.vld-article-related-card {
  background: var(--vld-bg-alt-dark);
  border: 1px solid rgba(155, 184, 204, 0.1);
  border-radius: var(--vld-radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  transition: border-color var(--vld-transition);
}

.vld-article-related-card:hover {
  border-color: rgba(13, 196, 178, 0.25);
}

.vld-article-related-card__cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vld-accent);
  opacity: 0.8;
}

.vld-article-related-card__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--vld-text-on-dark);
  line-height: 1.4;
}

.vld-article-related-card__date {
  font-size: 0.8125rem;
  color: var(--vld-text-muted-dark);
  margin-top: auto;
}


.vld-auth-page {
  min-height: 100vh;
}

.vld-auth-split {
  display: grid;
  grid-template-columns: 46fr 54fr;
  min-height: 100vh;
}

.vld-auth-brand {
  background: var(--vld-bg-deep);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}

.vld-auth-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 30% 60%, rgba(13, 196, 178, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(13, 196, 178, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

.vld-auth-brand::after {
  content: '';
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  width: 160px;
  height: 160px;
  background: none;
  pointer-events: none;
}

.vld-auth-brand__content {
  position: relative;
  z-index: 1;
  max-width: 380px;
}

.vld-auth-brand__logo {
  margin-bottom: 2.5rem;
}

.vld-auth-brand__logo img {
  height: 36px;
  width: auto;
  display: block;
}

.vld-auth-brand__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vld-accent);
  margin: 0 0 1rem;
}

.vld-auth-brand__headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--vld-text-on-dark);
  line-height: 1.25;
  margin: 0 0 1.25rem;
}

.vld-auth-brand__sub {
  font-size: 0.9375rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.6;
  margin: 0;
}

.vld-auth-brand__motif {
  position: absolute;
  bottom: 0;
  right: 0;
  opacity: 0.07;
  pointer-events: none;
  overflow: hidden;
}

.vld-auth-panel {
  background: var(--vld-bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3rem);
}

.vld-auth-card {
  width: 100%;
  max-width: 440px;
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.1);
  border-radius: var(--vld-radius-lg);
  padding: clamp(2rem, 4vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  box-shadow: 0 4px 32px rgba(11, 29, 52, 0.08);
}

.vld-auth-card__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.vld-auth-card__logo img {
  height: 32px;
  width: auto;
}

.vld-auth-card__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: 1.625rem;
  color: var(--vld-text-primary);
  line-height: 1.2;
  margin: 0;
}

.vld-auth-card__sub {
  font-size: 0.9rem;
  color: var(--vld-text-muted);
  line-height: 1.55;
  max-width: 30ch;
  margin-inline: auto;
}

.vld-auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vld-auth-card__links {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.vld-auth-card__link {
  color: var(--vld-accent-on-light);
  font-weight: 500;
  transition: color var(--vld-transition);
}

.vld-auth-card__link:hover {
  color: var(--vld-text-primary);
}

.vld-auth-card__legal {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--vld-text-muted);
  line-height: 1.55;
}

.vld-auth-card__legal a {
  color: var(--vld-accent-on-light);
  font-weight: 500;
}


.vld-legal-page {
  padding-top: calc(var(--vld-nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.vld-legal-hero {
  padding-top: calc(var(--vld-nav-h) + clamp(2.5rem, 5vw, 4rem));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.vld-legal-hero__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

.vld-legal-hero__h1 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem);
  color: var(--vld-text-primary);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.vld-legal-hero__date {
  font-size: 0.875rem;
  color: var(--vld-text-muted);
}

.vld-prose {
  max-width: var(--vld-reading-col);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  background: var(--vld-bg-surface);
  color: var(--vld-text-primary);
}

.vld-prose h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.25rem, 2vw + 0.5rem, 1.875rem);
  color: var(--vld-text-primary);
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
  line-height: 1.25;
}

.vld-prose h3 {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--vld-text-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.625rem;
  line-height: 1.35;
}

.vld-prose p {
  font-size: 1rem;
  color: var(--vld-text-primary);
  line-height: 1.8;
  margin-bottom: 1.125rem;
}

.vld-prose ul,
.vld-prose ol {
  margin-bottom: 1.125rem;
  padding-left: 1.5rem;
}

.vld-prose li {
  font-size: 1rem;
  color: var(--vld-text-primary);
  line-height: 1.75;
  margin-bottom: 0.4rem;
  list-style: disc;
}

.vld-prose ol li {
  list-style: decimal;
}

.vld-prose a {
  color: var(--vld-accent-on-light);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--vld-transition);
}

.vld-prose a:hover {
  text-decoration-color: currentColor;
}


.vld-faq-section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.vld-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: clamp(2rem, 3vw, 2.5rem);
  max-width: 760px;
  margin-inline: auto;
}

.vld-faq-item {
  background: white;
  border: 1px solid rgba(11, 29, 52, 0.08);
  border-radius: var(--vld-radius);
  overflow: hidden;
}

.vld-bg--dark .vld-faq-item,
.vld-bg--dark-alt .vld-faq-item {
  background: var(--vld-bg-alt-dark);
  border-color: rgba(155, 184, 204, 0.12);
}

.vld-faq-item__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.125rem 1.375rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--vld-text-primary);
  transition: background var(--vld-transition);
}

.vld-bg--dark .vld-faq-item__trigger,
.vld-bg--dark-alt .vld-faq-item__trigger {
  color: var(--vld-text-on-dark);
}

.vld-faq-item__trigger:hover {
  background: rgba(11, 29, 52, 0.03);
}

.vld-bg--dark .vld-faq-item__trigger:hover,
.vld-bg--dark-alt .vld-faq-item__trigger:hover {
  background: rgba(232, 242, 246, 0.04);
}

.vld-faq-item__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--vld-bg-alt-light);
  color: var(--vld-accent-on-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: transform 280ms ease, background var(--vld-transition);
}

.vld-bg--dark .vld-faq-item__icon,
.vld-bg--dark-alt .vld-faq-item__icon {
  background: rgba(13, 196, 178, 0.12);
  color: var(--vld-accent);
}

.vld-faq-item__trigger[aria-expanded="true"] .vld-faq-item__icon {
  transform: rotate(45deg);
}

.vld-faq-item__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 320ms ease;
}

.vld-faq-item__body--open {
  max-height: 600px;
}

.vld-faq-item__answer {
  padding: 0 1.375rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--vld-text-muted);
  line-height: 1.7;
}

.vld-bg--dark .vld-faq-item__answer,
.vld-bg--dark-alt .vld-faq-item__answer {
  color: var(--vld-text-muted-dark);
}


.vld-access-cta {
  padding-block: clamp(3rem, 6vw, 5rem);
  text-align: center;
}

.vld-access-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.vld-access-cta__title {
  color: var(--vld-text-primary);
}

.vld-access-cta__sub {
  font-size: 1.0625rem;
  color: var(--vld-text-muted);
  max-width: 44ch;
  line-height: 1.65;
}


.vld-404-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.vld-404-page__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 480px;
}

.vld-404-page__code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 5rem;
  line-height: 1;
  color: var(--vld-accent);
}

.vld-404-page__title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(1.5rem, 2.5vw + 0.75rem, 2.25rem);
  font-weight: 400;
  color: var(--vld-text-on-dark);
  line-height: 1.2;
  margin: 0;
}

.vld-404-page__sub {
  font-size: 1rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.65;
}


.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--vld-bg-alt-dark);
  border-top: 1px solid rgba(155, 184, 204, 0.15);
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
}

.cookie-banner__inner {
  max-width: var(--vld-container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--vld-text-muted-dark);
  line-height: 1.55;
  flex: 1;
}

.cookie-banner__text a {
  color: var(--vld-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.125rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--vld-transition), color var(--vld-transition), border-color var(--vld-transition);
}

.cookie-banner__btn--primary {
  background: var(--vld-accent);
  color: var(--vld-bg-deep);
  border-color: var(--vld-accent);
}

.cookie-banner__btn--primary:hover {
  background: #0DAFC0;
  border-color: #0DAFC0;
}

.cookie-banner__btn--secondary {
  background: transparent;
  color: var(--vld-text-muted-dark);
  border-color: rgba(155, 184, 204, 0.3);
}

.cookie-banner__btn--secondary:hover {
  color: var(--vld-text-on-dark);
  border-color: rgba(155, 184, 204, 0.6);
}


.vld-skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--vld-accent);
  color: var(--vld-bg-deep);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9998;
  transition: top 200ms;
}

.vld-skip-link:focus {
  top: 1rem;
}

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

.vld-divider {
  border: none;
  border-top: 1px solid rgba(11, 29, 52, 0.08);
  margin-block: 0;
}

.vld-bg--dark .vld-divider,
.vld-bg--dark-alt .vld-divider {
  border-top-color: rgba(155, 184, 204, 0.1);
}

.vld-fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.vld-fade-in.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .vld-fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 900px) {
  .vld-auth-split {
    grid-template-columns: 1fr;
    min-height: 100vh;
  }

  .vld-auth-brand {
    display: none;
  }

  .vld-auth-panel {
    min-height: 100vh;
    padding: 2rem 1rem;
  }
}

@media (max-width: 1024px) {
  .vld-technical-specs__inner {
    grid-template-columns: 1fr;
  }

  .vld-science-snapshot__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .vld-use-cases-preview__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .vld-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .vld-nav__links {
    display: none;
  }

  .vld-nav__actions .vld-btn--ghost-on-dark {
    display: none;
  }

  .vld-nav__actions .vld-btn--primary {
    display: none;
  }

  .vld-nav__hamburger {
    display: flex;
  }

  .vld-hero__inner {
    grid-template-columns: 1fr;
  }

  .vld-hero__visual {
    order: -1;
  }

  .vld-problem__inner {
    grid-template-columns: 1fr;
  }

  .vld-platform-intro__inner {
    grid-template-columns: 1fr;
  }

  .vld-platform-intro__visual {
    order: -1;
  }

  .vld-science-snapshot__grid {
    grid-template-columns: 1fr;
  }

  .vld-problem__stats {
    grid-template-columns: 1fr;
  }

  .vld-use-cases-preview__grid {
    grid-template-columns: 1fr;
  }

  .vld-capability-panel__grid {
    grid-template-columns: 1fr;
  }

  .vld-capability-panel__col + .vld-capability-panel__col {
    border-left: none;
    border-top: 1px solid rgba(155, 184, 204, 0.1);
  }

  .vld-team-preview__grid {
    grid-template-columns: 1fr;
  }

  .vld-team-full__grid {
    grid-template-columns: 1fr;
  }

  .vld-platform-hero__inner {
    grid-template-columns: 1fr;
  }

  .vld-platform-hero__visual {
    order: -1;
  }

  .vld-data-ingestion__inner {
    grid-template-columns: 1fr;
  }

  .vld-simulation-core__inner {
    grid-template-columns: 1fr;
  }

  .vld-subgroup-output__inner {
    grid-template-columns: 1fr;
  }

  .vld-technical-specs__inner {
    grid-template-columns: 1fr;
  }

  .vld-science-hero__inner {
    grid-template-columns: 1fr;
  }

  .vld-science-hero__visual {
    order: -1;
  }

  .vld-method-grid {
    grid-template-columns: 1fr;
  }

  .vld-uc-grid {
    grid-template-columns: 1fr;
  }

  .vld-about-hero__inner {
    grid-template-columns: 1fr;
  }

  .vld-about-hero__visual {
    order: -1;
  }

  .vld-mission-section__inner {
    grid-template-columns: 1fr;
  }

  .vld-contact-hero__inner {
    grid-template-columns: 1fr;
  }

  .vld-blog-grid__inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .vld-article-related__grid {
    grid-template-columns: 1fr;
  }

  .vld-subhero__inner {
    grid-template-columns: 1fr;
  }

  .vld-subhero__ornament {
    order: -1;
  }

  .vld-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .vld-form-row {
    grid-template-columns: 1fr;
  }

  .vld-contact-info--grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .vld-pub-item {
    grid-template-columns: 1fr;
  }

  .vld-pub-item__year {
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .vld-blog-grid__inner {
    grid-template-columns: 1fr;
  }

  .vld-footer__inner {
    grid-template-columns: 1fr;
  }

  .vld-footer__bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .vld-early-access-cta__btns {
    flex-direction: column;
    width: 100%;
  }

  .vld-early-access-cta__btns .vld-btn {
    width: 100%;
    justify-content: center;
  }

  .vld-hero__cta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}