/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · genre: editorial · macrostructure: Photographic · theme: Riso · enrichment: H6 full-bleed product video · nav: N9 · footer: Ft1 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49–57) */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600&family=Noto+Sans+KR:wght@400;700&family=Noto+Serif+KR:wght@700&display=swap");
@import url("/tokens.css");
@import url("/components.css");

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

button,
.button {
  -webkit-tap-highlight-color: transparent;
}

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

.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;
}

.skip-link {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  z-index: var(--z-sticky);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.nav-edge {
  display: flex;
  width: min(100%, var(--content-width));
  min-height: 4.75rem;
  margin-inline: auto;
  padding: var(--space-sm) var(--page-gutter);
  border-bottom: var(--rule-hairline) solid var(--color-rule);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.wordmark,
.gate-wordmark {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.035em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-ribbon,
.wordmark::before,
.gate-wordmark::before {
  width: 0.65rem;
  height: 1.35rem;
  margin-inline-end: var(--space-xs);
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
  content: "";
}

.wordmark:has(.brand-ribbon)::before {
  display: none;
}

.nav-cta {
  display: inline-flex;
  min-height: 2.75rem;
  padding-inline: var(--space-xs);
  border-bottom: var(--rule-hairline) solid var(--color-ink);
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}

.section,
.privacy-strip,
.android-callout,
.site-footer,
.policy-shell {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.hero {
  position: relative;
  display: grid;
  width: 100%;
  min-height: max(34rem, calc(100svh - 4.75rem));
  margin: 0;
  overflow: hidden;
  background: var(--color-ink);
}

.hero-copy {
  position: absolute;
  inset: auto var(--page-gutter) var(--space-md);
  z-index: calc(var(--z-base) + 1);
  width: auto;
  max-width: 72rem;
  margin-inline: auto;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xs);
  background: color-mix(in oklch, var(--color-ink), transparent 14%);
  color: var(--color-paper);
}

.hero h1 {
  max-width: none;
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(var(--text-base), 1.8vw, var(--text-md));
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.45;
  text-align: center;
}

.hero-detail {
  color: var(--color-paper-marked);
  font-weight: 400;
}

.hero-separator {
  margin-inline: var(--space-2xs);
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-hairline) solid var(--color-ink);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out);
}

.button-primary {
  background: var(--color-ink);
  color: var(--color-paper);
}

.button-secondary {
  border-color: var(--color-rule-strong);
  background: var(--color-surface);
  color: var(--color-ink);
}

.button:active {
  transform: translateY(1px);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.button[aria-busy="true"] {
  opacity: 0.72;
  cursor: wait;
}

.button.is-error {
  border-color: var(--color-error);
}

.button.is-success::after {
  margin-inline-start: var(--space-xs);
  color: var(--color-success);
  content: "✓";
}

.section {
  padding-block: var(--space-2xl);
}

.section-copy {
  display: grid;
  margin-bottom: var(--space-xl);
  gap: var(--space-md);
}

.section-copy h2,
.privacy-strip h2,
.android-callout h2 {
  max-width: 18ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 5.5vw, var(--text-3xl));
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-copy p,
.android-callout p {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-muted);
}

.workflow {
  padding-block: var(--space-2xl) var(--space-3xl);
  border-top: var(--rule-hairline) solid var(--color-rule);
}

.workflow-list {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: var(--rule-hairline) solid var(--color-rule);
  list-style: none;
}

.workflow-list li {
  min-width: 0;
  padding: var(--space-lg) var(--space-md);
  border-bottom: var(--rule-hairline) solid var(--color-rule);
}

.workflow-list span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.workflow-list h3 {
  margin: var(--space-lg) 0 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.3;
}

.privacy-strip {
  display: grid;
  padding-block: var(--space-2xl);
  background: var(--color-ink);
  color: var(--color-paper);
  gap: var(--space-xl);
}

.privacy-key {
  display: grid;
  margin: 0;
  padding: 0;
}

.privacy-key div {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  padding-block: var(--space-md);
  border-bottom: var(--rule-hairline) solid var(--color-rule-strong);
  gap: var(--space-md);
}

.privacy-key dt {
  color: var(--color-accent-on-dark);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
}

.privacy-key dd {
  margin: 0;
  font-weight: 700;
}

.android-callout {
  padding-block: var(--space-3xl);
}

.android-callout p {
  margin-top: var(--space-md);
}

.site-footer {
  display: grid;
  padding-block: var(--space-xl);
  border-top: var(--rule-hairline) solid var(--color-rule);
  gap: var(--space-lg);
}

.footer-brand strong {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

.footer-brand p {
  max-width: 28ch;
  margin: var(--space-xs) 0 0;
  color: var(--color-muted);
}

.footer-links {
  display: grid;
  align-content: start;
  gap: var(--space-xs);
}

.footer-links a {
  min-height: 2.75rem;
  align-content: center;
  color: var(--color-muted);
  text-decoration-thickness: var(--rule-hairline);
  text-underline-offset: var(--space-2xs);
  white-space: nowrap;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(var(--space-xs));
  animation: reveal var(--dur-long) var(--ease-out) forwards;
}

[data-reveal]:nth-child(2) {
  animation-delay: 60ms;
}

[data-reveal]:nth-child(3) {
  animation-delay: 120ms;
}

[data-reveal]:nth-child(4) {
  animation-delay: 180ms;
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .button:hover {
    transform: translateY(-1px);
  }

  .nav-cta:hover,
  .footer-links a:hover {
    color: var(--color-accent);
  }
}

@media (min-width: 40rem) {
  .workflow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-list li:nth-child(odd) {
    border-inline-end: var(--rule-hairline) solid var(--color-rule);
  }

  .privacy-strip,
  .site-footer {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .footer-links {
    justify-self: end;
  }
}

@media (min-width: 60rem) {
  .workflow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .workflow-list li {
    min-height: 11rem;
    border-inline-end: var(--rule-hairline) solid var(--color-rule);
  }

  .workflow-list li:last-child {
    border-inline-end: 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  [data-reveal] {
    transform: none;
    animation-name: reveal-reduced;
  }

  @keyframes reveal-reduced {
    to {
      opacity: 1;
    }
  }
}