/* neosol — landing page */

:root {
  --color-bg: #000000;
  --color-bg-elevated: #0a0a0a;
  --color-text: #f5f5f5;
  --color-text-muted: #ababab;
  --color-text-subtle: #787878;
  --color-viz-label: #b8b8b8;
  --color-viz-dim: #8a8a8a;
  --color-border: #1f1f1f;
  --color-border-hover: #333333;
  --color-surface: #050505;
  --color-accent: #ffffff;
  --color-success: #6b9b7a;
  --color-danger: #b56a6a;

  --font-sans: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --container-max: 72rem;
  --container-padding: clamp(1.25rem, 5vw, 2.5rem);

  --header-height: 4.5rem;
  --transition: 0.2s ease;
  --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);

  --terminal-font-size: 0.75rem;
  --terminal-line-height: 1.45;
  --terminal-viewport-padding: var(--space-md);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--container-padding);
  z-index: 1000;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 0 0 2px 2px;
}

.skip-link:focus {
  top: 0;
}

/* Header */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.75;
}

.site-nav__list {
  display: flex;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--space-xl);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .site-nav a {
    font-size: 1.125rem;
    color: var(--color-text);
  }
}

/* Hero */

.hero {
  display: flex;
  align-items: center;
  min-height: 100dvh;
  padding-block: calc(var(--header-height) + var(--space-2xl)) var(--space-2xl);
}

.hero__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr minmax(18rem, 26rem);
    gap: var(--space-2xl);
  }
}

.hero__copy {
  max-width: 40rem;
}

.hero__panel {
  width: 100%;
  max-width: 28rem;
}

@media (max-width: 959px) {
  .hero__panel {
    max-width: none;
  }
}

/* Scientific visualization (hero) */

.sci-viz {
  margin: 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
}

.sci-viz__header {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.sci-viz__title {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.sci-viz__subtitle {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--color-text-subtle);
  letter-spacing: 0.02em;
}

.sci-viz__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;
}

.sci-viz__canvas {
  display: block;
  width: 100%;
  height: 15.5rem;
  background: var(--color-bg);
}

.sci-viz__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.sci-viz__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.875rem 1rem;
  border-right: 1px solid var(--color-border);
}

.sci-viz__meta-item:last-child {
  border-right: none;
}

.sci-viz__meta-item--wide {
  grid-column: span 1;
}

.sci-viz__meta-item--full {
  grid-column: 1 / -1;
  border-right: none;
  border-top: 1px solid var(--color-border);
}

.sci-viz__meta dt {
  margin: 0;
  font-weight: 400;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.5625rem;
}

.sci-viz__meta dd {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.45;
  word-break: break-word;
}

@media (max-width: 480px) {
  .sci-viz__meta {
    grid-template-columns: 1fr 1fr;
  }

  .sci-viz__meta-item:nth-child(2) {
    border-right: none;
  }

  .sci-viz__meta-item:nth-child(3) {
    border-top: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
  }
}

.hero__eyebrow {
  margin: 0 0 var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.hero__title {
  margin: 0 0 var(--space-lg);
  font-size: clamp(2.25rem, 6vw + 1rem, 3.75rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero__lead {
  margin: 0 0 var(--space-xl);
  font-size: clamp(1.0625rem, 2vw + 0.5rem, 1.25rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition);
}

.btn--primary {
  color: var(--color-bg);
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--primary:hover {
  background: #e0e0e0;
  border-color: #e0e0e0;
}

.btn__icon {
  font-size: 0.75rem;
  transition: transform var(--transition);
}

.btn--primary:hover .btn__icon {
  transform: translateX(3px);
}

.btn--ghost {
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
  background: var(--color-surface);
}

/* Terminal */

.terminal {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 4px;
  overflow: hidden;
}

.terminal__chrome {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.terminal__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-border-hover);
}

.terminal__dot:nth-child(1) {
  background: #3a3a3a;
}

.terminal__dot:nth-child(2) {
  background: #2a2a2a;
}

.terminal__dot:nth-child(3) {
  background: #1a1a1a;
}

.terminal__title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
}

.terminal__body {
  padding: 0;
}

/* Fixed-height viewport: overflow scrolls inside, never grows the page */
.terminal__viewport {
  --terminal-rows: 12;
  box-sizing: border-box;
  height: calc(
    var(--terminal-rows) * var(--terminal-line-height) *
      var(--terminal-font-size) + 2 * var(--terminal-viewport-padding)
  );
  padding: var(--terminal-viewport-padding);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  font-family: var(--font-mono);
  font-size: var(--terminal-font-size);
  line-height: var(--terminal-line-height);
  scroll-behavior: auto;
  scrollbar-width: none;
}

.terminal__viewport::-webkit-scrollbar {
  display: none;
}

.terminal__viewport--compact {
  --terminal-rows: 10;
}

.terminal__viewport--showcase {
  --terminal-rows: 14;
}

.terminal__content {
  min-height: min-content;
}

.terminal__ascii {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: var(--color-text-muted);
  white-space: pre;
  overflow-x: auto;
  scrollbar-width: none;
}

.terminal__ascii::-webkit-scrollbar {
  display: none;
}

.terminal__log {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

.terminal__line {
  margin: 0;
  padding: 0;
  color: var(--color-text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal__line--prompt {
  color: var(--color-text);
}

.terminal__line--prompt .terminal__prompt {
  color: var(--color-text-subtle);
  user-select: none;
}

.terminal__line--success {
  color: var(--color-success);
  margin-top: 0.375rem;
}

.terminal__cursor {
  display: inline-block;
  width: 0.5rem;
  height: 1em;
  margin: 0;
  background: var(--color-text-subtle);
  vertical-align: text-bottom;
  animation: cursor-blink 1.1s step-end infinite;
}

@keyframes cursor-blink {
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .terminal__cursor {
    animation: none;
    opacity: 0.6;
  }
}

/* Section headers */

.section-header {
  margin-bottom: var(--space-xl);
  max-width: 32rem;
}

.section-intro {
  margin: var(--space-sm) 0 0;
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Capabilities */

.capabilities {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.card-grid {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 2px;
  transition: border-color var(--transition), transform var(--transition);
}

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

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
  }
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  font-size: 0.875rem;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.card__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.card__text {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Showcase */

.showcase {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.showcase__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}

@media (min-width: 900px) {
  .showcase__grid {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-2xl);
    align-items: center;
  }
}

.showcase__lead {
  margin: var(--space-md) 0 var(--space-xl);
  font-size: clamp(1.0625rem, 1.5vw + 0.5rem, 1.125rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 28rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

.metric-box {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: var(--space-md) var(--space-md);
  text-align: center;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 2px;
}

.metric-box__value {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.metric-box__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

@media (max-width: 480px) {
  .metric-row {
    grid-template-columns: 1fr;
  }

  .metric-box {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

/* Automation / SDLC pipeline */

.automation {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.pipeline-viz {
  max-width: 44rem;
  margin-inline: auto;
}

.pipeline-viz__canvas {
  height: 18.5rem;
}

@media (min-width: 768px) {
  .pipeline-viz {
    max-width: none;
  }

  .pipeline-viz__canvas {
    height: 20rem;
  }
}

/* Observability / traffic graph */

.observability {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.obs-viz {
  max-width: 44rem;
  margin-inline: auto;
}

.obs-viz__canvas {
  height: 27rem;
}

/* First meta row is 3 across; drop the divider before the full-width row. */
.obs-viz .sci-viz__meta-item:nth-child(3) {
  border-right: none;
}

@media (min-width: 768px) {
  .obs-viz {
    max-width: none;
  }

  .obs-viz__canvas {
    height: 30rem;
  }
}

/* Risk engine / liquidation monitor */

.risk {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.risk-viz {
  max-width: 44rem;
  margin-inline: auto;
}

.risk-viz__canvas {
  height: 20rem;
  cursor: grab;
  touch-action: none;
}

.risk-viz__canvas.is-dragging {
  cursor: grabbing;
}

@media (min-width: 768px) {
  .risk-viz {
    max-width: none;
  }

  .risk-viz__canvas {
    height: 22rem;
  }
}

.risk-viz__control {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.risk-viz__control-label {
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.5625rem;
  white-space: nowrap;
}

.risk-viz__slider {
  flex: 1;
  min-width: 0;
  height: 2px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-border-hover);
  border-radius: 2px;
  cursor: pointer;
}

.risk-viz__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  cursor: grab;
}

.risk-viz__slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  cursor: grab;
}

.risk-viz__slider:active::-webkit-slider-thumb {
  cursor: grabbing;
}

.risk-viz__slider:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.risk-viz__control-value {
  min-width: 5rem;
  text-align: right;
  color: var(--color-text);
  font-weight: 500;
}

/* 3-column meta grid for the risk readout (two rows) */
.risk-viz .sci-viz__meta {
  grid-template-columns: repeat(3, 1fr);
}

.risk-viz .sci-viz__meta-item:nth-child(3n) {
  border-right: none;
}

.risk-viz .sci-viz__meta-item:nth-child(n + 4) {
  border-top: 1px solid var(--color-border);
}

.sci-viz__meta dd.is-pos {
  color: var(--color-success);
}

.sci-viz__meta dd.is-neg {
  color: var(--color-danger);
}

@media (max-width: 480px) {
  .risk-viz .sci-viz__meta {
    grid-template-columns: 1fr 1fr;
  }

  .risk-viz .sci-viz__meta-item:nth-child(3n) {
    border-right: 1px solid var(--color-border);
  }

  .risk-viz .sci-viz__meta-item:nth-child(2n) {
    border-right: none;
  }

  .risk-viz .sci-viz__meta-item:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
  }
}

/* Range / ECG patient monitor */

.range {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.ecg-viz {
  max-width: 44rem;
  margin-inline: auto;
}

.ecg-viz__canvas {
  height: 15rem;
}

/* First meta row is 3 across; drop the divider before the full-width row. */
.ecg-viz .sci-viz__meta-item:nth-child(3) {
  border-right: none;
}

@media (min-width: 768px) {
  .ecg-viz {
    max-width: none;
  }

  .ecg-viz__canvas {
    height: 16rem;
  }
}

/* About */

.about {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.about__inner {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .about__inner {
    grid-template-columns: minmax(6rem, 10rem) 1fr;
    gap: var(--space-xl);
    align-items: start;
  }
}

.section-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

.about__content p {
  margin: 0;
  font-size: clamp(1.0625rem, 1.5vw + 0.75rem, 1.1875rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 38rem;
}

.about__secondary {
  margin-top: var(--space-md) !important;
}

/* Contact */

.contact {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--color-border);
}

.contact__inner {
  display: flex;
  justify-content: center;
}

.contact__box {
  width: 100%;
  max-width: 36rem;
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 2px;
}

.contact__title {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.5rem, 3vw + 0.75rem, 2rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.contact__text {
  margin: 0 0 var(--space-lg);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.contact__email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: clamp(1.125rem, 2vw + 0.5rem, 1.375rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: opacity var(--transition);
}

.contact__email:hover {
  opacity: 0.7;
}

.contact__icon {
  font-size: 1.125rem;
  color: var(--color-text-subtle);
}

/* Footer */

.site-footer {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.875rem;
}

.site-footer__brand {
  font-weight: 500;
  letter-spacing: -0.02em;
}

.site-footer__email {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.site-footer__email:hover {
  color: var(--color-text);
}

/* Reveal animations */

.reveal {
  opacity: 0;
  transform: translateY(1rem);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal:nth-child(2) {
  transition-delay: 0.05s;
}

.reveal:nth-child(3) {
  transition-delay: 0.1s;
}

.reveal:nth-child(4) {
  transition-delay: 0.15s;
}

.reveal:nth-child(5) {
  transition-delay: 0.2s;
}

.card-grid .reveal:nth-child(1) {
  transition-delay: 0s;
}

.card-grid .reveal:nth-child(2) {
  transition-delay: 0.06s;
}

.card-grid .reveal:nth-child(3) {
  transition-delay: 0.12s;
}

.card-grid .reveal:nth-child(4) {
  transition-delay: 0.18s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }

  .reveal.is-visible {
    transition: none;
  }
}