:root {
  --color-canvas: #ffffff;
  --color-surface-muted: #f5f5f5;
  --color-surface-soft: #f8f8f8;
  --color-text-strong: #000000;
  --color-text-default: #333333;
  --color-text-muted: #666666;
  --color-text-faint: #666666;
  --color-line: #e5e5e5;
  --color-line-strong: #d0d0d0;
  --color-green: #9bce26;
  --color-green-dark: #476900;
  --color-green-pale: #eff8d9;
  --color-coral: #f27370;
  --type-display: clamp(2.5rem, 6vw, 4.5rem);
  --type-h1: clamp(2rem, 4vw, 3rem);
  --type-h2: 1.625rem;
  --type-h3: 1.125rem;
  --type-body: 1rem;
  --type-body-sm: 0.875rem;
  --type-label: 0.75rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --content-max: 1020px;
  --radius-control: 5px;
  --radius-card: 8px;
  --radius-pill: 999px;
  --font-sans: Montserrat, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--color-canvas); color: var(--color-text-default); font-family: var(--font-sans); font-size: var(--type-body); line-height: 1.72; overflow-x: hidden; word-break: keep-all; overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.wrap { width: min(var(--content-max), calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; top: var(--space-3); left: var(--space-3); z-index: 20; transform: translateY(-200%); padding: var(--space-3) var(--space-4); background: var(--color-green); color: var(--color-text-strong); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--color-green-dark); outline-offset: 4px; }

.site-header { border-bottom: 1px solid var(--color-line); background: var(--color-canvas); }
.utility { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 38px; color: var(--color-text-muted); font-size: var(--type-label); }
.utility p { margin: 0; }
.document-name { justify-self: start; color: var(--color-text-default); font-size: .6875rem; font-weight: 700; letter-spacing: .08em; }
.print-button { justify-self: end; min-height: 30px; border: 0; background: transparent; color: var(--color-text-muted); cursor: pointer; font-size: var(--type-label); }
.print-button:hover { color: var(--color-green-dark); }
.site-nav { position: relative; display: flex; min-height: 76px; align-items: center; justify-content: space-between; }
.brand { color: var(--color-text-strong); font-size: 1.25rem; font-weight: 700; letter-spacing: -.06em; }
.brand span { margin-left: var(--space-2); color: var(--color-green-dark); font-size: var(--type-label); letter-spacing: -.02em; }
.nav-links { display: flex; gap: var(--space-8); font-size: var(--type-body-sm); }
.nav-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--color-text-default); transition: color 160ms var(--ease-out); }
.nav-links a:hover { color: var(--color-green-dark); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 5px auto; background: var(--color-text-strong); }

.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr); gap: clamp(2rem, 7vw, 6.25rem); padding-block: clamp(4rem, 9vw, 8rem); align-items: end; }
.status-chip { display: inline-flex; align-items: center; gap: var(--space-2); margin: 0 0 var(--space-8); padding: 6px 10px; border-radius: var(--radius-pill); background: var(--color-green-pale); color: var(--color-text-default); font-size: var(--type-label); font-weight: 700; }
.status-chip span { width: 7px; height: 7px; border-radius: 50%; background: var(--color-green-dark); }
.hero-kicker, .section-kicker { margin: 0 0 var(--space-3); color: var(--color-text-muted); font-size: var(--type-label); font-weight: 700; letter-spacing: .08em; }
.hero h1 { margin: 0; color: var(--color-text-strong); font-size: var(--type-display); line-height: 1.08; letter-spacing: -.07em; }
.hero h1 strong { color: var(--color-green-dark); font-weight: inherit; }
.hero-lead { max-width: 41rem; margin: var(--space-6) 0 0; color: var(--color-text-muted); font-size: clamp(1rem, 1.5vw, 1.125rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.detail-link { display: inline-flex; min-height: 44px; align-items: center; gap: var(--space-2); padding: 10px 14px; border: 1px solid var(--color-line-strong); border-radius: var(--radius-control); color: var(--color-text-default); font-size: var(--type-body-sm); font-weight: 700; transition: border-color 160ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out); }
.detail-link:hover { border-color: var(--color-green-dark); color: var(--color-text-strong); transform: translateY(-1px); }
.detail-link:active { transform: translateY(0); }
.primary-link { border-color: var(--color-green); background: var(--color-green); color: var(--color-text-strong); }
.primary-link:hover { border-color: var(--color-green-dark); background: var(--color-green-dark); color: var(--color-canvas); }
.application-card { padding: var(--space-6); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-surface-muted); }
.card-label { margin: 0 0 var(--space-6); color: var(--color-text-faint); font-size: var(--type-label); font-weight: 700; letter-spacing: .08em; }
.application-card dl { display: grid; gap: var(--space-5); margin: 0; }
.application-card dl div { padding-top: var(--space-4); border-top: 1px solid var(--color-line); }
.application-card dt { color: var(--color-text-muted); font-size: var(--type-label); }
.application-card dd { margin: var(--space-1) 0 0; color: var(--color-text-strong); font-size: var(--type-body-sm); font-weight: 700; }
.card-note { margin: var(--space-6) 0 0; color: var(--color-text-muted); font-size: var(--type-body-sm); }

.section { padding-block: var(--space-20); }
.section-muted { background: var(--color-surface-muted); }
.section-heading { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: var(--space-4); align-items: start; margin-bottom: var(--space-10); }
.section-index { margin: 5px 0 0; color: var(--color-green-dark); font-size: var(--type-label); font-weight: 700; }
.section-heading h2 { margin: 0; color: var(--color-text-strong); font-size: var(--type-h1); line-height: 1.2; letter-spacing: -.05em; }
.strength-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.strength-card { padding: var(--space-6); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-canvas); }
.strength-card > p:first-child { margin: 0 0 var(--space-8); color: var(--color-green-dark); font-size: var(--type-label); font-weight: 700; }
.strength-card h3 { margin: 0; color: var(--color-text-strong); font-size: var(--type-h3); letter-spacing: -.03em; }
.strength-card > p:last-child { margin: var(--space-3) 0 0; color: var(--color-text-muted); font-size: var(--type-body-sm); }

.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.case-card { display: flex; flex-direction: column; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-canvas); }
.case-card-featured { background: var(--color-surface-soft); }
.case-card-top { display: flex; justify-content: space-between; gap: var(--space-3); color: var(--color-text-muted); font-size: var(--type-label); font-weight: 700; letter-spacing: .08em; }
.case-card-top p { margin: 0; color: var(--color-green-dark); }
.case-card h3 { margin: var(--space-10) 0 var(--space-8); color: var(--color-text-strong); font-size: clamp(1.5rem, 3vw, 2.25rem); line-height: 1.25; letter-spacing: -.055em; }
.case-details { display: grid; gap: var(--space-5); margin: 0; }
.case-details div { padding-top: var(--space-4); border-top: 1px solid var(--color-line); }
.case-details dt { color: var(--color-text-strong); font-size: var(--type-label); font-weight: 700; }
.case-details dd { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--type-body-sm); }
.case-footnote { margin: var(--space-8) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--color-line); color: var(--color-text-faint); font-size: var(--type-label); }

.experience-list { border-top: 1px solid var(--color-line-strong); }
.experience-row { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: var(--space-6); padding-block: var(--space-8); border-bottom: 1px solid var(--color-line); }
.experience-meta p, .experience-meta span { margin: 0; color: var(--color-text-muted); font-size: var(--type-label); font-weight: 700; letter-spacing: .04em; }
.experience-meta span { display: block; margin-top: var(--space-1); color: var(--color-green-dark); }
.experience-content h3 { margin: 0; color: var(--color-text-strong); font-size: var(--type-h3); letter-spacing: -.03em; }
.experience-content > p { margin: var(--space-2) 0 0; color: var(--color-text-muted); }
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-5) 0 0; padding: 0; list-style: none; }
.tag-list li { padding: 4px 8px; border: 1px solid var(--color-line-strong); border-radius: var(--radius-pill); color: var(--color-text-muted); font-size: var(--type-label); }
.subsection-heading { margin-top: var(--space-16); padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-line-strong); }
.subsection-heading p { margin: 0; color: var(--color-green-dark); font-size: var(--type-label); font-weight: 700; letter-spacing: .08em; }
.subsection-heading h3 { margin: var(--space-2) 0 0; color: var(--color-text-strong); font-size: var(--type-h2); letter-spacing: -.04em; }
.compact-list .experience-row { padding-block: var(--space-6); }
.compact-list .experience-content > p { font-size: var(--type-body-sm); }

.contribution { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: end; }
.contribution .section-heading { margin: 0; }
.contribution-copy { max-width: 34rem; }
.contribution-copy p { margin: 0; color: var(--color-text-muted); font-size: 1.0625rem; }
.contribution-copy .detail-link { margin-top: var(--space-8); }

.site-footer { padding-block: var(--space-12) var(--space-6); border-top: 1px solid var(--color-line-strong); background: var(--color-surface-muted); }
.footer-grid { display: flex; align-items: end; justify-content: space-between; gap: var(--space-6); }
.footer-grid .section-kicker { margin-bottom: var(--space-2); }
.contact-mail { color: var(--color-text-strong); font-size: clamp(1.25rem, 3vw, 2rem); font-weight: 700; letter-spacing: -.05em; }
.footer-links { display: flex; gap: var(--space-6); }
.footer-links a { min-height: 44px; display: inline-flex; align-items: center; color: var(--color-text-default); font-size: var(--type-body-sm); font-weight: 700; }
.footer-links a:hover { color: var(--color-green-dark); }
.footer-note { display: flex; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-10); padding-top: var(--space-4); border-top: 1px solid var(--color-line); color: var(--color-text-faint); font-size: var(--type-label); }
.footer-note p { margin: 0; }

@media (max-width: 767px) {
  .utility { grid-template-columns: 1fr auto; }.utility p { display: none; }
  .site-nav { min-height: 64px; }.menu-toggle { display: block; }.nav-links { position: absolute; top: 56px; right: 0; left: 0; z-index: 10; display: grid; gap: 0; padding: var(--space-2); border: 1px solid var(--color-line-strong); border-radius: var(--radius-card); background: var(--color-canvas); opacity: 0; pointer-events: none; transform: translateY(-8px); visibility: hidden; transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out), visibility 160ms var(--ease-out); }.nav-links.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); visibility: visible; }.nav-links a { padding-inline: var(--space-3); }
  .hero { grid-template-columns: 1fr; gap: var(--space-8); padding-block: var(--space-12) var(--space-16); }.section { padding-block: var(--space-16); }.section-heading { grid-template-columns: 1fr; gap: var(--space-2); }.section-index { margin: 0; }.strength-grid, .case-grid { grid-template-columns: 1fr; }.case-card h3 { margin-top: var(--space-8); }.experience-row { grid-template-columns: 1fr; gap: var(--space-3); }.contribution { grid-template-columns: 1fr; gap: var(--space-8); }.footer-grid, .footer-note { align-items: flex-start; flex-direction: column; }.footer-links { gap: var(--space-4); }.application-card { padding: var(--space-5); }
}

@media (min-width: 768px) and (max-width: 900px) {
  .contribution { grid-template-columns: 1fr; gap: var(--space-8); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .skip-link, .site-header, .hero-actions, .detail-link { display: none; }
  body { color: var(--color-text-strong); font-size: 11pt; }
  .hero { grid-template-columns: 1fr; padding-block: 0 24pt; }.application-card { margin-top: 18pt; background: transparent; }
  .section { padding-block: 24pt; }.section-muted { background: transparent; }.case-grid, .strength-grid { grid-template-columns: 1fr 1fr; }
  .experience-row, .case-card, .strength-card { break-inside: avoid; }.wrap { width: 100%; }
  .site-footer { display: block; padding-top: 16pt; background: transparent; }.footer-links { display: none; }.footer-note { display: none; }
}