:root {
  --bg: #f3eee3;
  --bg-deep: #e9e0d1;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #1f2733;
  --muted: #5e6877;
  --line: rgba(31, 39, 51, 0.1);
  --brand: #0e6b62;
  --brand-strong: #0b5750;
  --accent: #b56a2d;
  --shadow: 0 24px 70px rgba(31, 39, 51, 0.12);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 107, 98, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(181, 106, 45, 0.14), transparent 24%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 55%, var(--bg-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 90%);
  opacity: 0.3;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.shell {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.page-shell {
  position: relative;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 238, 227, 0.8);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(31, 39, 51, 0.08);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: white;
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  box-shadow: 0 16px 40px rgba(14, 107, 98, 0.24);
}

.brand-copy strong {
  display: block;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
}

.brand-copy span {
  display: block;
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.nav a {
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav a:hover,
.nav a.is-active {
  background: rgba(14, 107, 98, 0.1);
  color: var(--brand-strong);
  transform: translateY(-1px);
}

main {
  padding: 38px 0 72px;
}

.hero,
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.95fr);
  gap: 28px;
}

.hero-panel,
.side-card,
.feature-card,
.panel-card,
.alumni-card,
.cta-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-panel {
  padding: 44px;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 107, 98, 0.2), transparent 68%);
}

.eyebrow,
.section-kicker,
.card-kicker,
.year-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker,
.card-kicker {
  color: var(--brand-strong);
  background: rgba(14, 107, 98, 0.1);
}

.hero h1 {
  max-width: 9.5em;
  margin-top: 18px;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero-copy,
.section-heading p,
.feature-card p,
.timeline-item p,
.panel-note,
.alumni-card p,
.side-card p,
.cta-card p {
  color: var(--muted);
  line-height: 1.72;
}

.hero-copy {
  max-width: 58ch;
  margin-top: 18px;
  font-size: 1.03rem;
}

.hero-actions,
.cta-actions,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  box-shadow: 0 18px 34px rgba(14, 107, 98, 0.24);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 39, 51, 0.08);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-stat {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(31, 39, 51, 0.06);
}

.hero-stat strong,
.section-heading h2,
.feature-card h3,
.panel-card h2,
.alumni-card h3,
.side-card h2,
.cta-card h2 {
  color: var(--text);
}

.hero-stat strong {
  display: block;
  font-size: 1.3rem;
}

.hero-stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-side {
  display: grid;
  gap: 18px;
}

.side-card,
.panel-card,
.cta-card {
  padding: 30px;
}

.list {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
}

.compact {
  margin-top: 14px;
}

.pill-row {
  margin-top: 18px;
}

.pill-row span {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 39, 51, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

.inline-link-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(14, 107, 98, 0.1);
  border: 1px solid rgba(14, 107, 98, 0.14);
  color: var(--brand-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.section {
  margin-top: 30px;
}

.page-main {
  padding-top: 28px;
}

.subhero {
  margin-bottom: 6px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 20px;
}

.section-heading.left {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-top: 14px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin-top: 12px;
}

.feature-grid,
.alumni-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.alumni-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.alumni-card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  padding-left: 18px;
  border-left: 2px solid rgba(14, 107, 98, 0.18);
}

.timeline-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.metric-row,
.network-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.network-summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card,
.network-card {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(31, 39, 51, 0.08);
}

.metric-card strong,
.network-card strong {
  display: block;
  font-size: 1.05rem;
}

.metric-card span,
.network-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
}

.archive-list {
  display: grid;
  gap: 12px;
}

.archive-list a {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(31, 39, 51, 0.08);
  transition: transform 180ms ease, border-color 180ms ease;
}

.archive-list a:hover {
  transform: translateX(3px);
  border-color: rgba(14, 107, 98, 0.22);
}

.panel-note {
  margin-top: 16px;
  font-size: 0.94rem;
}

.alumni-section {
  padding-top: 10px;
}

.year-badge {
  color: #7a431d;
  background: rgba(181, 106, 45, 0.14);
}

.role {
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--brand-strong);
}

.cta-card {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) auto;
  gap: 20px;
  align-items: center;
}

.footer {
  padding: 0 0 40px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .hero,
  .two-column,
  .feature-grid,
  .alumni-grid,
  .cta-card,
  .metric-row,
  .network-summary {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-panel,
  .side-card,
  .panel-card,
  .feature-card,
  .alumni-card,
  .cta-card {
    padding: 24px;
  }

  main {
    padding-top: 24px;
  }

  .shell {
    width: min(var(--container), calc(100% - 20px));
  }
}