:root {
  --paper: #f4f1ea;
  --ink: #172625;
  --muted: #697572;
  --line: #d8d8ce;
  --mint: #b8d5c8;
  --coral: #ed765d;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Trebuchet MS', 'Noto Sans KR', sans-serif;
  --mono: 'Courier New', 'Noto Sans KR', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: '';
  opacity: 0.22;
  background-image: linear-gradient(rgba(23, 38, 37, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 38, 37, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 64px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand span,
.accent-dot {
  color: var(--coral);
}

.header-note,
.eyebrow,
.section-label,
.panel-label,
.link-label {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 9vw;
  align-items: end;
  min-height: 570px;
  padding: 92px 0 108px;
}

.hero-copy {
  animation: rise-in 700ms ease-out both;
}

.eyebrow {
  margin-bottom: 22px;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(76px, 13vw, 166px);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.85;
}

.intro {
  max-width: 440px;
  margin: 42px 0 18px;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.affiliation {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.focus-panel {
  position: relative;
  min-height: 280px;
  padding: 24px;
  overflow: hidden;
  background: var(--mint);
  animation: rise-in 700ms 160ms ease-out both;
}

.focus-panel::after {
  position: absolute;
  right: -45px;
  bottom: -60px;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(23, 38, 37, 0.32);
  border-radius: 50%;
  content: '';
}

.panel-number {
  margin: 42px 0 10px;
  font-family: var(--mono);
  font-size: 13px;
}

.panel-title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--serif);
  font-size: 29px;
  line-height: 1.08;
}

.panel-text {
  position: relative;
  z-index: 1;
  max-width: 210px;
  margin: 26px 0 0;
  color: rgba(23, 38, 37, 0.72);
  font-size: 13px;
  line-height: 1.7;
}

.details {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  gap: 9vw;
  padding: 28px 0 110px;
  border-top: 1px solid var(--line);
}

.detail-block {
  min-height: 116px;
}

.section-label {
  margin-bottom: 22px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list span {
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  font-size: 14px;
}

.detail-value {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
}

.contact {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  gap: 9vw;
  align-items: end;
  padding: 28px 0 102px;
  border-top: 1px solid var(--line);
}

.contact h2 {
  max-width: 520px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.contact-links {
  display: grid;
  gap: 22px;
}

.contact-links a {
  display: grid;
  gap: 5px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.contact-links a > span:last-child {
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 7px;
}

.contact-links a:hover > span:last-child,
.contact-links a:focus-visible > span:last-child {
  color: var(--coral);
  border-color: var(--coral);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 20px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 40px, 560px);
  }

  .header-note {
    font-size: 9px;
  }

  .hero,
  .details,
  .contact {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    min-height: auto;
    padding: 74px 0 82px;
  }

  h1 {
    font-size: clamp(76px, 24vw, 130px);
  }

  .intro {
    margin-top: 34px;
  }

  .focus-panel {
    min-height: 250px;
  }

  .details {
    padding-bottom: 78px;
  }

  .contact {
    padding-bottom: 78px;
  }

  .contact h2 {
    font-size: clamp(46px, 13vw, 68px);
  }

  .site-footer {
    align-items: flex-start;
    gap: 16px;
    line-height: 1.5;
  }
}

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

  .hero-copy,
  .focus-panel {
    animation: none;
  }
}