/* ==========================================================================
   SME Orbit — public landing page
   ========================================================================== */

.landing {
  --gutter: 1.5rem;
  --measure: 72rem;
  --display-font: "Abril Fatface", Georgia, "Times New Roman", serif;

  --landing-teal: hsl(var(--brand-teal));
  --landing-blue: hsl(var(--brand-blue));
  --landing-forest: hsl(var(--brand-forest));
  --landing-gold: hsl(var(--brand-gold));
  --landing-maroon: hsl(var(--brand-maroon));

  overflow-x: hidden;
}

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


/* ==========================================================================
   Shared section typography
   ========================================================================== */

.section {
  padding-block: 6.5rem;
  border-top: 1px solid hsl(var(--border));
}

.section-head {
  max-width: 47rem;
  margin-bottom: 3rem;
}

.section-kicker,
.feature-kicker,
.cta-kicker {
  margin-bottom: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--landing-teal);
}

.section-title {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.section-sub {
  max-width: 44rem;
  margin-top: 1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: hsl(var(--muted-foreground));
}

.display-accent {
  font-family: var(--display-font);
  font-weight: 400;
  letter-spacing: -0.025em;
}


/* ==========================================================================
   Navigation
   ========================================================================== */

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 40;

  background-color: hsl(var(--background) / 0.9);
  backdrop-filter: blur(14px);

  border-bottom: 1px solid hsl(var(--border));
}

.landing-nav-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 4rem;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;

  font-weight: 700;
  letter-spacing: -0.02em;
}

.landing-brand-icon {
  display: block;
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  flex-shrink: 0;
}

.landing-brand .sidebar-brand-mark {
  width: 1.875rem;
  height: 1.875rem;

  border-color: hsl(var(--brand-teal) / 0.42);
  background-color: hsl(var(--brand-teal) / 0.13);
  color: var(--landing-teal);

  font-size: 0.6875rem;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  margin-left: 1rem;
}

.landing-nav-link {
  padding: 0.4375rem 0.6875rem;

  border-radius: calc(var(--radius) - 2px);

  font-size: 0.8125rem;
  font-weight: 500;

  color: hsl(var(--muted-foreground));

  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.landing-nav-link:hover {
  background-color: hsl(var(--accent));
  color: hsl(var(--foreground));
}

.landing-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;

  margin-left: auto;
}


/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;

  padding-block: 7rem 5.5rem;

  text-align: center;
}

.hero::after {
  content: "";

  position: absolute;
  left: 50%;
  bottom: 0;

  width: min(34rem, 70%);
  height: 1px;

  transform: translateX(-50%);

  background-color: hsl(var(--brand-teal) / 0.35);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;

  margin-bottom: 1.5rem;
  padding: 0.3125rem 0.6875rem 0.3125rem 0.3125rem;

  border: 1px solid hsl(var(--border));
  border-radius: 999px;

  background-color: hsl(var(--card));

  font-size: 0.75rem;

  color: hsl(var(--muted-foreground));

  box-shadow: var(--shadow-sm);
}

.eyebrow .pill {
  padding: 0.125rem 0.5rem;

  border-radius: 999px;

  background-color: hsl(var(--brand-teal) / 0.12);
  color: var(--landing-teal);

  font-size: 0.6875rem;
  font-weight: 700;
}

.eyebrow .sep {
  color: hsl(var(--border));
}

.hero-title {
  max-width: 58rem;
  margin-inline: auto;

  font-size: clamp(3rem, 7.4vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.97;
}

.hero-title span {
  display: block;
}

.hero-title .dim {
  color: hsl(var(--muted-foreground));
}

.hero-title .display-accent {
  color: hsl(var(--foreground));
}

.hero-sub {
  max-width: 43rem;

  margin: 1.75rem auto 0;

  font-size: 1rem;
  line-height: 1.75;

  color: hsl(var(--muted-foreground));
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;

  gap: 0.625rem;

  margin-top: 2rem;
}

.hero-note {
  max-width: 37rem;

  margin: 1rem auto 0;

  font-size: 0.75rem;
  line-height: 1.55;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   Hero steps
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  margin-top: 4.75rem;

  overflow: hidden;

  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);

  background-color: hsl(var(--card));

  text-align: left;

  box-shadow: var(--shadow-sm);
}

.step {
  --step-accent: hsl(var(--brand-slate));

  position: relative;

  padding: 1.625rem 1.625rem 1.75rem;

  border-right: 1px solid hsl(var(--border));
}

.step:last-child {
  border-right: 0;
}

.step::before {
  content: "";

  position: absolute;
  inset: 0 0 auto;

  height: 2px;

  background-color: var(--step-accent);
}

.step[data-step-tone="teal"] {
  --step-accent: var(--landing-teal);
}

.step[data-step-tone="forest"] {
  --step-accent: var(--landing-forest);
}

.step[data-step-tone="blue"] {
  --step-accent: var(--landing-blue);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;

  color: var(--step-accent);
}

.step-title {
  margin-top: 0.875rem;

  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.step-body {
  margin-top: 0.4375rem;

  font-size: 0.8125rem;
  line-height: 1.65;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   Technology strip
   ========================================================================== */

.strip {
  padding-block: 2.75rem;
}

.strip-label {
  margin-bottom: 1rem;

  text-align: center;

  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;

  color: hsl(var(--muted-foreground));
}

.strip-marquee {
  width: 100%;
  overflow: hidden;
}

.strip-track {
  display: flex;

  width: max-content;

  animation: strip-marquee 28s linear infinite;

  will-change: transform;
}

.strip-group {
  display: flex;
  align-items: center;

  flex-shrink: 0;

  gap: 0.5rem;

  padding-right: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;

  flex-shrink: 0;

  padding: 0.375rem 0.75rem;

  border: 1px solid hsl(var(--border));
  border-radius: 999px;

  background-color: hsl(var(--card));

  font-size: 0.75rem;

  white-space: nowrap;

  color: hsl(var(--muted-foreground));

  transition:
    border-color 0.15s ease,
    color 0.15s ease;
}

.chip:hover {
  border-color: hsl(var(--brand-teal) / 0.45);

  color: hsl(var(--foreground));
}

@keyframes strip-marquee {

  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(-33.333333%, 0, 0);
  }

}

@media (prefers-reduced-motion: reduce) {

  .strip-track {
    width: 100%;

    animation: none;
  }

  .strip-group {
    width: 100%;

    flex-wrap: wrap;
    justify-content: center;
  }

  .strip-group[aria-hidden="true"] {
    display: none;
  }

}

/* ==========================================================================
   Capability statement
   ========================================================================== */

.statement-head {
  max-width: 52rem;

  font-size: clamp(1.9rem, 4.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.statement-head .dim {
  color: hsl(var(--muted-foreground));
}

.statement-head .display-accent {
  display: inline;

  color: hsl(var(--foreground));
}


/* ==========================================================================
   Production-inspired dashboard preview
   ========================================================================== */

.preview {
  margin-top: 3.5rem;

  overflow: hidden;

  border: 1px solid hsl(var(--border));
  border-top-color: hsl(var(--brand-teal) / 0.65);
  border-radius: calc(var(--radius) + 2px);

  background-color: hsl(var(--card));

  box-shadow: var(--shadow-lg);
}

.preview-bar {
  display: flex;
  align-items: center;

  gap: 0.75rem;

  min-height: 2.75rem;
  padding: 0.625rem 0.875rem;

  border-bottom: 1px solid hsl(var(--border));

  background-color: hsl(var(--muted) / 0.45);
}

.preview-window-controls {
  display: flex;
  gap: 0.3125rem;
}

.preview-dot {
  width: 0.4375rem;
  height: 0.4375rem;

  border-radius: 999px;

  background-color: hsl(var(--border));
}

.preview-path {
  font-family: var(--font-mono);
  font-size: 0.6875rem;

  color: hsl(var(--muted-foreground));
}

.preview-status {
  margin-left: auto;

  font-size: 0.6875rem;
  font-weight: 600;

  color: var(--landing-teal);
}

.preview-grid {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
}

.preview-side {
  padding: 1rem 0.75rem;

  border-right: 1px solid hsl(var(--border));

  background-color: hsl(var(--sidebar));
}

.preview-brand {
  display: flex;
  align-items: center;

  gap: 0.5625rem;

  margin-bottom: 1.25rem;
  padding: 0.375rem 0.5rem;
}

.preview-brand-mark {
  display: grid;
  place-items: center;

  width: 1.75rem;
  height: 1.75rem;

  flex-shrink: 0;

  border: 1px solid hsl(var(--brand-teal) / 0.35);
  border-radius: calc(var(--radius) - 2px);

  background-color: hsl(var(--brand-teal) / 0.12);

  font-size: 0.625rem;
  font-weight: 700;

  color: var(--landing-teal);
}

.preview-brand strong,
.preview-brand span {
  display: block;
}

.preview-brand strong {
  font-size: 0.6875rem;
}

.preview-brand span {
  margin-top: 0.0625rem;

  font-size: 0.5625rem;

  color: hsl(var(--muted-foreground));
}

.preview-side-item {
  display: flex;
  align-items: center;

  gap: 0.5rem;

  margin-top: 0.1875rem;
  padding: 0.4375rem 0.5rem;

  border-radius: calc(var(--radius) - 3px);

  font-size: 0.6875rem;

  color: hsl(var(--muted-foreground));
}

.preview-side-item.on {
  border-left: 2px solid var(--landing-teal);

  background-color: hsl(var(--brand-teal) / 0.1);

  color: var(--landing-teal);

  font-weight: 600;
}

.preview-side-item svg {
  width: 0.8125rem;
  height: 0.8125rem;
}

.preview-body {
  padding: 1.25rem;
}

.preview-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 1rem;

  margin-bottom: 1rem;
}

.preview-heading-label {
  display: block;

  margin-bottom: 0.125rem;

  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;

  color: hsl(var(--muted-foreground));
}

.preview-heading strong {
  font-size: 0.8125rem;
}

.preview-range {
  padding: 0.3125rem 0.5625rem;

  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 3px);

  font-size: 0.625rem;

  color: hsl(var(--muted-foreground));
}

.preview-tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  gap: 0.75rem;
}

.preview-tile {
  --preview-accent: hsl(var(--brand-slate));

  padding: 0.875rem;

  border: 1px solid hsl(var(--border));
  border-top: 2px solid var(--preview-accent);
  border-radius: calc(var(--radius) - 2px);

  background-color: hsl(var(--background));
}

.preview-tile[data-tone="teal"] {
  --preview-accent: var(--landing-teal);
}

.preview-tile[data-tone="blue"] {
  --preview-accent: var(--landing-blue);
}

.preview-tile[data-tone="forest"] {
  --preview-accent: var(--landing-forest);
}

.preview-tile[data-tone="success"] {
  --preview-accent: hsl(var(--success));
}

.preview-tile-label {
  font-size: 0.625rem;
  font-weight: 600;

  color: hsl(var(--muted-foreground));
}

.preview-tile-value {
  margin-top: 0.375rem;

  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.025em;

  font-variant-numeric: tabular-nums;
}

.preview-tile-note {
  margin-top: 0.25rem;

  font-size: 0.5625rem;

  color: hsl(var(--muted-foreground));
}

.preview-chart {
  margin-top: 0.875rem;
  padding: 0.9375rem;

  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 2px);

  background-color: hsl(var(--background));
}

.preview-chart-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;

  gap: 1rem;

  margin-bottom: 0.875rem;
}

.preview-chart-title {
  font-size: 0.75rem;
  font-weight: 700;
}

.preview-chart-sub {
  margin-top: 0.125rem;

  font-size: 0.5625rem;

  color: hsl(var(--muted-foreground));
}

.preview-chart-value {
  font-size: 0.6875rem;
  font-weight: 700;

  color: var(--landing-teal);

  font-variant-numeric: tabular-nums;
}

.preview-bars {
  display: flex;
  align-items: flex-end;

  gap: 0.375rem;

  height: 7rem;

  border-bottom: 1px solid hsl(var(--border));
}

.preview-bars i {
  flex: 1 1 0;

  min-width: 0;

  border-radius: 2px 2px 0 0;

  border-top: 2px solid hsl(var(--brand-teal) / 0.6);

  background-color: hsl(var(--brand-teal) / 0.14);
}

.preview-bars i.peak {
  border-top-color: var(--landing-teal);

  background-color: hsl(var(--brand-teal) / 0.28);
}


/* ==========================================================================
   Feature story
   ========================================================================== */

.feature {
  --feature-accent: hsl(var(--brand-slate));

  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) minmax(0, 1fr);

  align-items: center;

  gap: 0 3.5rem;

  padding-block: 5rem;

  border-top: 1px solid hsl(var(--border));
}

.feature:first-child {
  padding-top: 0;

  border-top: 0;
}

.feature[data-accent="forest"] {
  --feature-accent: var(--landing-forest);
}

.feature[data-accent="teal"] {
  --feature-accent: var(--landing-teal);
}

.feature[data-accent="blue"] {
  --feature-accent: var(--landing-blue);
}

.rail-number {
  align-self: start;

  padding-top: 0.25rem;

  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;

  color: var(--feature-accent);
}

.feature-kicker {
  color: var(--feature-accent);
}

.feature-title {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.05;
}

.feature-body {
  max-width: 34rem;

  margin-top: 0.875rem;

  font-size: 0.9375rem;
  line-height: 1.7;

  color: hsl(var(--muted-foreground));
}

.bullets {
  display: grid;

  gap: 0.8125rem;

  margin-top: 1.625rem;
}

.bullet {
  display: flex;
  align-items: flex-start;

  gap: 0.6875rem;

  font-size: 0.8125rem;
  line-height: 1.6;
}

.bullet-icon {
  display: grid;
  place-items: center;

  width: 1.5rem;
  height: 1.5rem;

  flex-shrink: 0;

  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 3px);

  background-color: hsl(var(--card));

  color: var(--feature-accent);
}

.bullet-icon svg {
  width: 0.75rem;
  height: 0.75rem;
}


/* ==========================================================================
   Feature visual cards
   ========================================================================== */

.feature-visual {
  --visual-accent: hsl(var(--brand-slate));

  overflow: hidden;

  border: 1px solid hsl(var(--border));
  border-top: 2px solid var(--visual-accent);
  border-radius: var(--radius);

  background-color: hsl(var(--card));

  box-shadow: var(--shadow-sm);
}

.feature-visual[data-visual-tone="forest"] {
  --visual-accent: var(--landing-forest);
}

.feature-visual[data-visual-tone="teal"] {
  --visual-accent: var(--landing-teal);
}

.feature-visual[data-visual-tone="blue"] {
  --visual-accent: var(--landing-blue);
}

.mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 1rem;

  padding: 0.75rem 0.9375rem;

  border-bottom: 1px solid hsl(var(--border));

  background-color: hsl(var(--muted) / 0.45);

  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;

  color: hsl(var(--muted-foreground));
}

.mock-head-status {
  color: var(--visual-accent);
}

.mock-row {
  display: flex;
  align-items: center;

  gap: 0.75rem;

  padding: 0.75rem 0.9375rem;

  border-bottom: 1px solid hsl(var(--border));
}

.mock-row:last-child {
  border-bottom: 0;
}

.mock-row-total {
  background-color: hsl(var(--muted) / 0.3);
}

.mock-main {
  min-width: 0;

  flex: 1 1 auto;
}

.mock-name {
  overflow: hidden;

  font-size: 0.8125rem;
  font-weight: 600;

  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-meta {
  margin-top: 0.125rem;

  font-size: 0.6875rem;

  color: hsl(var(--muted-foreground));
}

.mock-value {
  font-size: 0.8125rem;
  font-weight: 700;

  white-space: nowrap;

  font-variant-numeric: tabular-nums;
}


/* ==========================================================================
   Trust statistics
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  overflow: hidden;

  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);

  background-color: hsl(var(--card));

  box-shadow: var(--shadow-sm);
}

.stat-cell {
  --stat-accent: hsl(var(--brand-slate));

  position: relative;

  padding: 1.75rem 1.5rem;

  border-right: 1px solid hsl(var(--border));
}

.stat-cell:last-child {
  border-right: 0;
}

.stat-cell::before {
  content: "";

  position: absolute;
  inset: 0 0 auto;

  height: 2px;

  background-color: var(--stat-accent);
}

.stat-cell[data-stat-tone="gold"] {
  --stat-accent: var(--landing-gold);
}

.stat-cell[data-stat-tone="teal"] {
  --stat-accent: var(--landing-teal);
}

.stat-cell[data-stat-tone="forest"] {
  --stat-accent: var(--landing-forest);
}

.stat-cell[data-stat-tone="blue"] {
  --stat-accent: var(--landing-blue);
}

.stat-cell svg {
  width: 1.125rem;
  height: 1.125rem;

  margin-bottom: 1.125rem;

  color: var(--stat-accent);
}

.stat-cell h3 {
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: -0.035em;

  font-variant-numeric: tabular-nums;
}

.stat-cell p {
  margin-top: 0.375rem;

  font-size: 0.8125rem;
  line-height: 1.55;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);

  align-items: start;

  gap: 4rem;
}

.faq-list {
  overflow: hidden;

  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);

  background-color: hsl(var(--card));

  box-shadow: var(--shadow-sm);
}

.faq-item {
  border-bottom: 1px solid hsl(var(--border));
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 1rem;

  width: 100%;
  padding: 1.0625rem 1.25rem;

  text-align: left;

  font-size: 0.875rem;
  font-weight: 600;

  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.faq-trigger:hover {
  background-color: hsl(var(--muted) / 0.45);
}

.faq-item.open .faq-trigger {
  color: var(--landing-teal);
}

.faq-trigger svg {
  width: 1rem;
  height: 1rem;

  flex-shrink: 0;

  color: hsl(var(--muted-foreground));

  transition:
    transform 0.2s ease,
    color 0.2s ease;
}

.faq-item.open .faq-trigger svg {
  transform: rotate(180deg);

  color: var(--landing-teal);
}

.faq-answer {
  display: grid;

  grid-template-rows: 0fr;

  transition: grid-template-rows 0.22s ease;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-answer p {
  padding: 0 1.25rem 1.125rem;

  font-size: 0.8125rem;
  line-height: 1.7;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   Request access
   ========================================================================== */

.request-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);

  align-items: start;

  gap: 4rem;
}

.request-points {
  display: grid;

  gap: 1.25rem;

  margin-top: 2rem;
}

.request-point {
  display: flex;
  align-items: flex-start;

  gap: 0.875rem;
}

.request-point .bullet-icon {
  width: 1.75rem;
  height: 1.75rem;

  color: var(--landing-teal);
}

.request-point .bullet-icon svg {
  width: 0.875rem;
  height: 0.875rem;
}

.request-point-title {
  font-size: 0.875rem;
  font-weight: 700;
}

.request-point-body {
  margin-top: 0.1875rem;

  font-size: 0.8125rem;
  line-height: 1.6;

  color: hsl(var(--muted-foreground));
}

.request-card {
  border-top: 2px solid var(--landing-teal);

  box-shadow: var(--shadow-md);
}


/* ==========================================================================
   Closing CTA
   ========================================================================== */

.cta-panel {
  position: relative;

  overflow: hidden;

  padding: 5rem 2rem;

  border: 1px solid hsl(var(--border));
  border-top: 2px solid var(--landing-teal);
  border-radius: calc(var(--radius) + 2px);

  background-color: hsl(var(--card));

  text-align: center;

  box-shadow: var(--shadow-md);
}

.cta-panel::after {
  content: "";

  position: absolute;
  left: 50%;
  bottom: 0;

  width: 10rem;
  height: 3px;

  transform: translateX(-50%);

  background-color: var(--landing-gold);
}

.cta-kicker {
  color: var(--landing-gold);
}

.cta-title {
  font-size: clamp(2.2rem, 5.1vw, 3.7rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1;
}

.cta-sub {
  max-width: 36rem;

  margin: 1.25rem auto 0;

  font-size: 0.9375rem;
  line-height: 1.7;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   Footer
   ========================================================================== */

.landing-footer {
  padding-block: 3.25rem 2.5rem;

  border-top: 1px solid hsl(var(--border));
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));

  gap: 2.75rem;
}

.footer-about {
  max-width: 28rem;

  margin-top: 1rem;

  font-size: 0.8125rem;
  line-height: 1.65;

  color: hsl(var(--muted-foreground));
}

.footer-heading {
  margin-bottom: 0.875rem;

  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;

  color: hsl(var(--muted-foreground));
}

.footer-link {
  display: block;

  padding: 0.25rem 0;

  font-size: 0.8125rem;

  color: hsl(var(--muted-foreground));
}

a.footer-link {
  transition: color 0.15s ease;
}

a.footer-link:hover {
  color: var(--landing-teal);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;

  gap: 1rem;

  margin-top: 2.75rem;
  padding-top: 1.5rem;

  border-top: 1px solid hsl(var(--border));

  font-size: 0.75rem;

  color: hsl(var(--muted-foreground));
}


/* ==========================================================================
   Dark theme adjustments
   ========================================================================== */

[data-theme="dark"] .landing-nav {
  background-color: hsl(var(--background) / 0.9);
}

[data-theme="dark"] .preview {
  box-shadow:
    0 22px 50px hsl(0 0% 0% / 0.24);
}

[data-theme="dark"] .preview-side-item.on {
  background-color: hsl(var(--brand-teal) / 0.14);
}

[data-theme="dark"] .preview-tile {
  background-color: hsl(var(--card));
}

[data-theme="dark"] .preview-chart {
  background-color: hsl(var(--card));
}

[data-theme="dark"] .feature-visual,
[data-theme="dark"] .stats-grid,
[data-theme="dark"] .faq-list,
[data-theme="dark"] .request-card,
[data-theme="dark"] .cta-panel {
  box-shadow:
    0 14px 34px hsl(0 0% 0% / 0.14);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {

  .section {
    padding-block: 5rem;
  }

  .feature {
    grid-template-columns: 2.25rem minmax(0, 1fr);

    align-items: start;

    gap: 0 1.5rem;
  }

  .feature-visual {
    grid-column: 2;

    margin-top: 2.25rem;
  }

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

  .stat-cell:nth-child(2) {
    border-right: 0;
  }

  .stat-cell:nth-child(1),
  .stat-cell:nth-child(2) {
    border-bottom: 1px solid hsl(var(--border));
  }

  .faq-layout,
  .request-layout {
    grid-template-columns: minmax(0, 1fr);

    gap: 2.5rem;
  }

}


@media (max-width: 780px) {

  .landing-nav-links {
    display: none;
  }

  .hero {
    padding-block: 5.5rem 4.5rem;
  }

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

  .step {
    border-right: 0;
    border-bottom: 1px solid hsl(var(--border));
  }

  .step:last-child {
    border-bottom: 0;
  }

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

  .preview-side {
    display: none;
  }

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

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

}


@media (max-width: 560px) {

  .landing {
    --gutter: 1rem;
  }

  .section {
    padding-block: 4.25rem;
  }

  .hero {
    padding-block: 4.75rem 4rem;
  }

  .hero-title {
    font-size: clamp(2.7rem, 14vw, 4rem);
  }

  .hero-sub {
    font-size: 0.9375rem;
  }

  .feature {
    grid-template-columns: minmax(0, 1fr);

    padding-block: 4rem;
  }

  .rail-number {
    margin-bottom: 0.75rem;
    padding-top: 0;
  }

  .feature-visual {
    grid-column: 1;

    margin-top: 2rem;
  }

  .preview-tiles {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-status {
    display: none;
  }

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

  .stat-cell {
    border-right: 0;
    border-bottom: 1px solid hsl(var(--border));
  }

  .stat-cell:last-child {
    border-bottom: 0;
  }

  .cta-panel {
    padding: 4rem 1.25rem;
  }

}


@media (max-width: 460px) {

  .landing-nav-actions .nav-hide-sm {
    display: none;
  }

  .landing-nav-inner {
    gap: 0.75rem;
  }

  .landing-brand {
    gap: 0.4375rem;
  }

  .landing-brand .sidebar-brand-mark {
    width: 1.75rem;
    height: 1.75rem;
  }

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

}
