/* Hallmark - macro: Conversational FAQ - nav: N2 Floating chip - footer: Ft2 Mot dong co rule - hero: H2 Split diptych - hue: 87.5 - corner: 2px - density: day - knob-delta: N2 static desktop sticky mobile 4 hubs 1 lang corner 2px, Ft2 top double-rule 1 row horiz-scroll mobile legal inline, H2 7/5 reversed left img right text portrait offset dual-layer no corner - pre-emit P4 H5 E4 S5 R5 V4 - contrast: pass - mobile: 320/375/414/768/1366 pass */
:root {
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Athiti', sans-serif;

  --color-paper: oklch(22% 0.03 87.5);
  --color-paper-card: oklch(26% 0.032 87.5);
  --color-paper-elevated: oklch(30% 0.035 87.5);
  --color-ink: oklch(93% 0.015 87.5);
  --color-ink-muted: oklch(75% 0.02 87.5);
  --color-ink-faint: oklch(58% 0.025 87.5);
  --color-border: oklch(35% 0.03 87.5);
  --color-border-subtle: oklch(28% 0.025 87.5);

  --color-accent: oklch(78% 0.16 195);
  --color-accent-ink: oklch(18% 0.04 195);
  --color-focus: oklch(85% 0.18 195);

  --color-state-hover: oklch(82% 0.17 195);
  --color-state-active: oklch(72% 0.15 195);
  --color-state-disabled: oklch(32% 0.02 87.5);
  --color-state-disabled-ink: oklch(55% 0.015 87.5);
  --color-state-error: oklch(65% 0.2 28);
  --color-state-success: oklch(72% 0.18 145);
  --color-state-loading: oklch(65% 0.1 195);

  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  --radius-sm: 2px;
  --radius-md: 2px;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;

  --lh-body: 1.8;
  --lh-heading: 1.25;
  --measure-prose: 62ch;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-base: 200ms;

  --z-nav: 100;
}

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

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-body);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  line-height: var(--lh-heading);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}

p {
  margin: 0;
  overflow-wrap: anywhere;
}

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

.eu9t-nav,
.eu9t-main,
.eu9t-footer {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.eu9t-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xs);
  padding-top: var(--space-xs);
  padding-bottom: var(--space-xs);
  background: var(--color-paper-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  position: static;
  gap: var(--space-md);
}

.eu9t-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.eu9t-nav-track {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.eu9t-nav-item {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity var(--dur-micro) var(--ease-out);
}

.eu9t-nav-item:hover {
  color: var(--color-ink);
  opacity: 0.85;
}

.eu9t-nav-item:active {
  color: var(--color-accent);
}

.eu9t-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .eu9t-nav {
    position: sticky;
    top: var(--space-2xs);
    z-index: var(--z-nav);
    margin-top: var(--space-2xs);
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
  }
}

.eu9t-main {
  display: flex;
  flex-direction: column;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-3xl);
}

.eu9t-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.eu9t-hero-visual {
  position: relative;
  width: 100%;
  max-width: 326px;
  margin-left: auto;
  margin-right: auto;
}

.eu9t-hero-offset {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-border);
  background: var(--color-paper-card);
  z-index: 1;
  border-radius: 0;
  pointer-events: none;
}

.eu9t-hero-pic {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  max-width: 326px;
  height: auto;
  aspect-ratio: 326 / 440;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: 0;
}

.eu9t-hero-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: var(--measure-prose);
}

.eu9t-hero-title {
  font-size: var(--text-2xl);
  color: var(--color-ink);
}

.eu9t-lead {
  font-size: var(--text-base);
  color: var(--color-ink-muted);
  line-height: var(--lh-body);
}

.eu9t-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: var(--space-xs) var(--space-lg);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  line-height: 1;
  text-decoration: none;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out), opacity var(--dur-micro) var(--ease-out);
}

.eu9t-btn:hover {
  background: var(--color-state-hover);
  border-color: var(--color-state-hover);
}

.eu9t-btn:active {
  background: var(--color-state-active);
  transform: translateY(1px);
}

.eu9t-btn:focus-visible,
.eu9t-nav-item:focus-visible,
.eu9t-brand:focus-visible,
.eu9t-card:focus-visible,
.eu9t-crumb-link:focus-visible,
.eu9t-inline-link:focus-visible,
.eu9t-trust-link:focus-visible,
.eu9t-footer-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  transition: none;
}

.eu9t-btn:disabled,
.eu9t-btn[aria-disabled="true"],
.eu9t-btn.eu9t-is-disabled {
  background: var(--color-state-disabled);
  color: var(--color-state-disabled-ink);
  border-color: var(--color-state-disabled);
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.eu9t-btn.eu9t-is-loading,
.eu9t-btn[aria-busy="true"] {
  background: var(--color-state-loading);
  color: var(--color-accent-ink);
  cursor: wait;
  opacity: 0.85;
}

.eu9t-btn.eu9t-is-error,
.eu9t-btn[aria-invalid="true"] {
  background: var(--color-state-error);
  color: var(--color-ink);
  border-color: var(--color-state-error);
}

.eu9t-btn.eu9t-is-success {
  background: var(--color-state-success);
  color: var(--color-paper);
  border-color: var(--color-state-success);
}

@media (min-width: 768px) {
  .eu9t-hero {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-xl);
    align-items: center;
  }
  .eu9t-hero-visual {
    margin: 0;
  }
}

.eu9t-crumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-xs) 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-subtle);
}

.eu9t-crumb-link {
  color: var(--color-ink-muted);
  text-decoration: none;
  white-space: nowrap;
}

.eu9t-crumb-link:hover {
  color: var(--color-accent);
}

.eu9t-crumb-sep {
  color: var(--color-border);
  user-select: none;
}

.eu9t-crumb-current {
  color: var(--color-ink);
  white-space: nowrap;
}

.eu9t-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.eu9t-h2 {
  font-size: var(--text-xl);
  color: var(--color-ink);
}

.eu9t-prose {
  max-width: var(--measure-prose);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.eu9t-p {
  font-size: var(--text-base);
  line-height: var(--lh-body);
  color: var(--color-ink);
}

.eu9t-list {
  margin: 0;
  padding-left: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  color: var(--color-ink);
  line-height: var(--lh-body);
}

.eu9t-list-item {
  position: relative;
}

.eu9t-fig {
  margin: 0 0 var(--space-2xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.eu9t-fig-portrait .eu9t-fig-img {
  width: 100%;
  max-width: 326px;
  height: auto;
  aspect-ratio: 326 / 440;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.eu9t-fig-square .eu9t-fig-img {
  width: 100%;
  max-width: 256px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.eu9t-caption {
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  line-height: 1.5;
}

.eu9t-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.eu9t-cards > .eu9t-h2 {
  grid-column: 1 / -1;
  margin-bottom: var(--space-xs);
}

.eu9t-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-paper-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.eu9t-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.eu9t-card:active {
  transform: translateY(0);
}

.eu9t-card-title {
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.eu9t-card-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: var(--lh-body);
}

@media (min-width: 768px) {
  .eu9t-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-lg);
  }
}

.eu9t-uplink {
  padding: var(--space-md);
  border-left: 2px solid var(--color-accent);
  background: var(--color-paper-card);
  border-radius: var(--radius-sm);
  max-width: var(--measure-prose);
  margin-bottom: var(--space-2xl);
}

.eu9t-inline-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.eu9t-inline-link:hover {
  color: var(--color-state-hover);
}

.eu9t-faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--measure-prose);
  margin-bottom: var(--space-3xl);
}

.eu9t-faq-dl {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: 0;
}

.eu9t-faq-dt {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  line-height: var(--lh-heading);
}

.eu9t-faq-dd {
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-ink-muted);
  line-height: var(--lh-body);
}

.eu9t-trust {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--measure-prose);
  margin-bottom: var(--space-3xl);
}

.eu9t-trust-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.eu9t-trust-item {
  margin: 0;
}

.eu9t-trust-link {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--text-base);
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: var(--space-2xs);
}

.eu9t-trust-link:hover {
  color: var(--color-state-hover);
  border-bottom-color: var(--color-state-hover);
}

.eu9t-footer {
  border-top: 3px double var(--color-border);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.eu9t-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.eu9t-footer-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.eu9t-footer-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-ink-faint);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.eu9t-footer-link {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  white-space: nowrap;
  line-height: 1.5;
}

.eu9t-footer-link:hover {
  color: var(--color-accent);
}

.eu9t-footer-legal {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}

.eu9t-footer-copy {
  white-space: nowrap;
  font-family: var(--font-display);
}

.eu9t-footer-disclaimer {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 767px) {
  .eu9t-footer-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: var(--space-md);
    padding-bottom: var(--space-xs);
  }
  .eu9t-footer-legal {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
    transition-timing-function: linear !important;
  }
}