/* Hallmark · macrostructure: Map / Diagram (adapted) · tone: technical · anchor hue: cobalt */
@font-face { font-family: "Pretendard"; src: url("./fonts/PretendardVariable.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("./fonts/SpaceGrotesk.ttf") format("truetype"); font-weight: 300 700; font-style: normal; font-display: swap; }
* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-block-start: calc(var(--header-height, 5.5rem) + 1rem); }
body { overflow-x: clip; margin: 0; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-body); line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, summary { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: var(--color-accent-soft); }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button:disabled { color: var(--color-muted); background: var(--color-surface); cursor: not-allowed; }
a:active, summary:active { color: var(--color-accent); }
button, summary { cursor: pointer; }
svg { display: block; }
svg path, svg circle { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, p, figure, dl, dd, ul, ol { margin: 0; }
h1, h2, h3 { font-style: normal; font-weight: 700; min-width: 0; overflow-wrap: anywhere; }
h1, h2 { font-family: var(--font-display); letter-spacing: -0.045em; line-height: 1.25; }
h2 { font-size: var(--text-heading); }
h3 { font-size: var(--text-subhead); line-height: 1.4; letter-spacing: -0.025em; }
p { color: var(--color-body); word-break: keep-all; overflow-wrap: anywhere; }
ul, ol { padding: 0; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 5px; }
[tabindex="-1"]:focus:not(:focus-visible) { outline: none; }
::selection { color: var(--color-ink); background: var(--color-accent-soft); }
.container { width: 100%; max-width: var(--page-width); padding-inline: var(--page-gutter); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: clip; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; inset-block-start: var(--space-md); inset-inline-start: var(--space-md); z-index: var(--z-skip); padding: var(--space-sm) var(--space-lg); color: var(--color-on-dark); background: var(--color-ink); transform: translateY(-200%); border-radius: var(--radius-sm); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; inset-block-start: 0; z-index: var(--z-sticky); background: var(--color-paper); border-block-end: var(--rule-width) solid var(--color-rule); }
.header-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-md); min-height: 5.5rem; padding-block: var(--space-sm); }
.wordmark { position: relative; display: flex; align-items: center; min-height: 44px; font-family: var(--font-display); font-weight: 700; font-size: 1.75rem; line-height: 1; letter-spacing: -0.065em; }
.brand-line { position: absolute; inset-block-end: 5px; inset-inline-start: 0; width: 1.2rem; height: 3px; background: var(--color-accent); }
.header-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--space-sm); max-width: 100%; }
.language-switch { display: flex; gap: var(--space-2xs); }
.language-switch button { display: flex; flex-direction: column; align-items: center; justify-content: center; border: 0; background: var(--color-paper); min-width: 44px; min-height: 44px; font-family: var(--font-display); font-size: var(--text-label); font-weight: 500; padding: var(--space-xs); }
.language-switch button::after { content: ""; width: 1rem; height: 2px; margin-block-start: var(--space-2xs); background: var(--color-paper); }
.language-switch button[aria-pressed="true"] { font-weight: 700; color: var(--color-accent); }
.language-switch button[aria-pressed="true"]::after { background: var(--color-accent); }
.site-menu { position: relative; }
.site-menu summary { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); list-style: none; min-height: 44px; padding-inline: var(--space-sm); font-size: var(--text-label); white-space: nowrap; border-inline-start: 1px solid var(--color-rule); }
.site-menu summary::-webkit-details-marker { display: none; }
.site-menu[open] summary { color: var(--color-accent); }
.site-menu[open] summary svg path { d: path("M4 4L16 16M4 16L16 4"); }
.site-menu nav { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + var(--space-lg)); display: grid; inline-size: min(12rem, calc(100vi - 2 * var(--page-gutter))); background: var(--color-paper); border: 1px solid var(--color-ui-rule); border-radius: var(--radius-sm); padding: var(--space-xs); z-index: var(--z-dropdown); }
.site-menu:not([open]) nav { display: none; }
.site-menu nav a { display: flex; align-items: center; min-height: 48px; padding: var(--space-xs) var(--space-md); white-space: nowrap; border-radius: var(--radius-sm); }
.site-menu nav a:focus-visible { outline-offset: -3px; }
.hero { display: grid; gap: var(--space-2xl); padding-block-start: var(--space-2xl); padding-block-end: var(--space-3xl); }
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
.hero-context { color: var(--color-muted); font-size: var(--text-label); }
h1 { font-size: var(--text-display); line-height: 1.24; }
h1 span { display: block; }
.accent { color: var(--color-accent); }
.hero-description { max-width: 45ch; font-size: var(--text-lead); line-height: 1.75; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-lg); padding-block-start: var(--space-xs); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: var(--space-sm) var(--space-lg); font-size: var(--text-body); font-weight: 600; line-height: 1.4; white-space: nowrap; border-radius: var(--radius-sm); transition: transform var(--dur-micro) var(--ease-out); }
.button-primary { color: var(--color-accent-ink); background: var(--color-accent); border: 1px solid var(--color-accent); }
.button-primary:active { color: var(--color-accent-ink); }
.button:active { transform: translateY(1px); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--text-body); white-space: nowrap; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--color-ui-rule); }
.platform-map { align-self: center; min-width: 0; width: 100%; padding: var(--space-xl) var(--space-lg) var(--space-lg); border-block: 1px solid var(--color-rule); background: var(--color-surface); }
.map-start { text-align: center; }
.map-label { font-size: var(--text-label); color: var(--color-muted); }
.source-types { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-block-start: var(--space-sm); font-size: var(--text-body); }
.source-divider { width: 1px; height: 1rem; background: var(--color-ui-rule); }
.map-bridge, .map-branches { color: var(--color-ui-rule); }
.map-bridge { height: 3.125rem; }
.map-branches { height: 3.75rem; color: var(--color-accent); }
.map-bridge svg, .map-branches svg { width: 100%; height: 100%; overflow: visible; }
.map-bridge svg path, .map-branches svg path { vector-effect: non-scaling-stroke; }
.map-branches circle { fill: var(--color-accent); stroke: var(--color-accent); }
.platform-node { padding: var(--space-lg) var(--space-md); text-align: center; background: var(--color-paper); border: 1px solid var(--color-ui-rule); border-radius: var(--radius-sm); }
.platform-node-title { display: flex; justify-content: center; align-items: center; gap: var(--space-sm); font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; line-height: 1.4; }
.node-symbol { color: var(--color-accent); flex-shrink: 0; }
.platform-node p { font-size: var(--text-label); margin-block-start: var(--space-xs); }
.map-services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xs); }
.map-services a { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: var(--space-xs); text-align: center; padding-block: var(--space-2xs) var(--space-sm); font-size: var(--text-label); font-weight: 500; white-space: nowrap; }
.map-services a > span:last-child { text-decoration: underline; text-decoration-color: var(--color-ui-rule); text-underline-offset: 5px; }
.map-node-number { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; background: var(--color-paper); color: var(--color-accent); border: 1px solid var(--color-accent); font-family: var(--font-display); font-size: var(--text-label); font-weight: 600; border-radius: var(--radius-sm); }
.platform-map figcaption { margin-block-start: var(--space-lg); padding-block-start: var(--space-md); border-block-start: 1px solid var(--color-rule); color: var(--color-muted); font-size: var(--text-label); line-height: 1.6; text-align: center; word-break: keep-all; }
.section { padding-block: var(--space-2xl) var(--space-3xl); }
.section-heading { display: flex; flex-direction: column; gap: var(--space-lg); margin-block-end: var(--space-xl); }
.section-heading p { max-width: 56ch; font-size: var(--text-lead); }
.desktop-break { display: none; }
.service-row { display: grid; gap: var(--space-lg); padding-block: var(--space-xl); border-block-start: 1px solid var(--color-rule); }
.service-row:last-child { border-block-end: 1px solid var(--color-rule); }
.service-title { display: flex; align-items: baseline; gap: var(--space-md); min-width: 0; }
.service-body { display: flex; flex-direction: column; gap: var(--space-lg); }
.service-body p { max-width: 56ch; }
.service-scope { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); list-style: none; color: var(--color-muted); font-size: var(--text-label); }
.service-scope li { display: flex; align-items: baseline; gap: var(--space-xs); }
.service-scope li::before { content: ""; width: 0.25rem; height: 0.25rem; background: var(--color-ui-rule); flex-shrink: 0; align-self: center; }
.founder-section { padding-block: var(--space-2xl); background: var(--color-surface); }
.founder-grid { display: grid; gap: var(--space-xl); }
.founder-copy { display: flex; flex-direction: column; gap: var(--space-lg); }
.founder-copy > p { max-width: 45ch; }
.founder-copy > p:first-of-type { font-size: var(--text-lead); }
.experience-note { font-size: var(--text-label); color: var(--color-muted); }
.proof-label { margin-block-end: var(--space-md); font-size: var(--text-label); color: var(--color-muted); }
.proof-row { display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; gap: var(--space-xs); padding-block: var(--space-lg); border-block-start: 1px solid var(--color-rule); }
.proof-row:last-child { border-block-end: 1px solid var(--color-rule); }
.proof-row dt { max-width: 28ch; color: var(--color-body); font-size: var(--text-body); word-break: keep-all; overflow-wrap: anywhere; }
.proof-row dd { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.approach { padding-block-start: var(--space-3xl); }
.process { list-style: none; display: grid; gap: var(--space-xl); padding-block-start: var(--space-sm); }
.process li { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: var(--space-md); position: relative; }
.process li:not(:last-child)::after { content: ""; position: absolute; inset-block-start: 2.75rem; inset-inline-start: 1.1875rem; inset-block-end: calc(-1 * var(--space-xl) + 0.5rem); width: 1px; background: var(--color-rule); }
.step-number { display: flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border: 1px solid var(--color-ui-rule); border-radius: var(--radius-sm); font-family: var(--font-display); font-size: var(--text-label); font-weight: 600; font-variant-numeric: tabular-nums; }
.process h3 { font-size: var(--text-lead); line-height: 1.5; padding-block-start: var(--space-2xs); }
.process p { margin-block-start: var(--space-xs); }
.contact-section { background: var(--color-navy); color: var(--color-on-dark); padding-block: var(--space-2xl); }
.contact-grid { display: grid; gap: var(--space-xl); }
.contact-section h2 { color: var(--color-on-dark); }
.contact-section p { color: var(--color-dark-muted); }
.contact-grid > div:first-child { display: flex; flex-direction: column; gap: var(--space-lg); }
.contact-address { display: flex; flex-direction: column; justify-content: center; gap: var(--space-md); padding-block-start: var(--space-lg); border-block-start: 1px solid var(--color-dark-rule); }
.contact-address .email-address { font-family: var(--font-display); font-size: clamp(1.75rem, 3.4vw, 2.5rem); color: var(--color-on-dark); letter-spacing: -0.04em; line-height: 1.4; overflow-wrap: anywhere; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.contact-address .email-address:hover { text-decoration-thickness: 2px; }
.site-footer { background: var(--color-paper); padding-block: var(--space-lg); }
.footer-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-xs) var(--space-md); }
.footer-wordmark { font-family: var(--font-display); font-size: var(--text-lead); font-weight: 600; letter-spacing: -0.04em; }
.footer-inner > p { grid-row: 2; color: var(--color-muted); font-size: var(--text-label); }
.footer-inner > a { grid-column: 2; grid-row: 1 / 3; font-size: var(--text-label); }
@media (hover: hover) and (pointer: fine) {
  .button-primary:hover { background: var(--color-accent-hover); }
  .text-link:hover, .map-services a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }
  .site-menu nav a:hover, .language-switch button:hover { background: var(--color-accent-soft); }
}
@media (min-width: 40rem) {
  .header-controls { gap: var(--space-lg); }
  .hero { padding-block-start: var(--space-3xl); }
  .platform-map { padding: var(--space-xl); max-width: 35rem; justify-self: center; }
  .desktop-break { display: block; }
  .service-row { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: var(--space-xl); }
  .founder-section { padding-block: var(--space-3xl); }
  .proof-row { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-lg); }
  .proof-row dd { max-width: 7ch; }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl); }
  .process li:not(:last-child)::after { display: none; }
  .contact-section { padding-block: var(--space-3xl); }
  .footer-inner { grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--space-lg); }
  .footer-inner > p { grid-column: 2; grid-row: 1; }
  .footer-inner > a { grid-column: 3; grid-row: 1; }
}
@media (min-width: 64rem) {
  .hero { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: var(--space-xl); align-items: center; padding-block-end: var(--space-4xl); }
  .hero-copy { gap: var(--space-xl); }
  .hero-context { margin-block-end: calc(-1 * var(--space-lg)); }
  .platform-map { padding-inline: var(--space-lg); }
  .section { padding-block-start: var(--space-xl); }
  .section-heading { margin-block-end: var(--space-2xl); }
  .service-row { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); padding-block: var(--space-xl); }
  .founder-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr); gap: var(--space-3xl); align-items: center; }
  .approach { padding-block: var(--space-4xl) var(--space-3xl); }
  .process { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-xl); }
  .process li { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .process li:not(:last-child)::after { display: block; inset-block-start: 1.25rem; inset-inline-start: 3.25rem; inset-inline-end: calc(-1 * var(--space-xl) + 0.75rem); inset-block-end: auto; width: auto; height: 1px; }
  .process h3 { line-height: 1.5; }
  .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr); gap: var(--space-3xl); }
  .contact-address { padding-block-start: 0; padding-inline-start: var(--space-xl); border-block-start: 0; border-inline-start: 1px solid var(--color-dark-rule); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
@media (forced-colors: active) { .button, .map-node-number { border: 1px solid ButtonText; } .language-switch button[aria-pressed="true"]::after { background: ButtonText; } }