:root {
  color-scheme: light;
  --bg-1: #f5fffc;
  --bg-2: #eef4f3;
  --mint-1: #dff7f1;
  --mint-2: #8fe3d1;
  --mint-3: #39c6aa;
  --mint-4: #1fa18a;
  --card: rgba(255, 255, 255, 0.88);
  --card-solid: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: rgba(57, 198, 170, 0.18);
  --shadow: 0 24px 60px rgba(31, 161, 138, 0.14);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Pretendard", "SUIT", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(143, 227, 209, 0.35), transparent 28%),
    radial-gradient(circle at bottom right, rgba(223, 247, 241, 0.9), transparent 34%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(245, 255, 252, 0.75);
  border-bottom: 1px solid rgba(57, 198, 170, 0.12);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  color: var(--mint-4);
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.nav a:hover,
.nav a:focus-visible,
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--mint-4);
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy,
.profile-card,
.info-card,
.highlight-card,
.timeline-item {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-copy {
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}

.hero-copy::before,
.hero-copy::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-copy::before {
  width: 220px;
  height: 220px;
  top: -70px;
  right: -60px;
  background: radial-gradient(circle, rgba(143, 227, 209, 0.32), transparent 68%);
}

.hero-copy::after {
  width: 180px;
  height: 180px;
  bottom: -70px;
  left: -50px;
  background: radial-gradient(circle, rgba(57, 198, 170, 0.15), transparent 70%);
}

.eyebrow,
.hero-copy h1,
.hero-text,
.hero-actions {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 16px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--mint-4);
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  letter-spacing: -0.035em;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1.08;
}

.hero-text,
.section-heading p,
.info-card p,
.highlight-card p,
.timeline-content p,
.profile-role {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  margin: 20px 0 0;
  max-width: 680px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.cta-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 15px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, background-color 0.2s ease;
}

.cta-button {
  background: linear-gradient(135deg, var(--mint-3) 0%, var(--mint-4) 100%);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(31, 161, 138, 0.22);
}

.ghost-button {
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  border: 1px solid rgba(57, 198, 170, 0.2);
}

.cta-button:hover,
.cta-button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible {
  transform: translateY(-2px);
}

.cta-button:focus-visible,
.ghost-button:focus-visible,
.nav a:focus-visible,
.footer-link:focus-visible {
  outline: 3px solid rgba(57, 198, 170, 0.22);
  outline-offset: 4px;
}

.profile-card {
  border-radius: var(--radius-xl);
  padding: 26px 28px 32px;
  align-self: stretch;
}

.profile-image-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, rgba(57, 198, 170, 0.14), rgba(31, 161, 138, 0.2));
  border: 1px solid rgba(57, 198, 170, 0.16);
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.image-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-weight: 700;
  background: linear-gradient(135deg, rgba(223, 247, 241, 0.95), rgba(238, 244, 243, 0.98));
}

.profile-image-wrap.is-error .image-fallback {
  display: flex;
}

.profile-image-wrap.is-error .profile-image {
  display: none;
}

.profile-card h2 {
  margin: 18px 0 8px;
  font-size: 1.5rem;
}

.profile-role {
  margin: 0 0 22px;
}

.fact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.fact-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(223, 247, 241, 0.55);
}

.fact-list span {
  color: var(--muted);
}

.fact-list strong {
  text-align: right;
  font-size: 0.96rem;
}

.section {
  padding: 28px 0 56px;
}

.alt-section {
  padding-top: 8px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
}

.section-heading p {
  margin: 14px 0 0;
}

.info-grid,
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-card,
.highlight-card {
  border-radius: var(--radius-lg);
  padding: 26px 22px;
}

.info-card h3,
.highlight-card h3,
.timeline-content h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.info-card p,
.highlight-card p,
.timeline-content p {
  margin: 0;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: start;
  border-radius: var(--radius-lg);
  padding: 20px;
}

.timeline-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(57, 198, 170, 0.14), rgba(31, 161, 138, 0.2));
  color: var(--mint-4);
  font-weight: 800;
}

.footer {
  padding: 12px 0 36px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-link {
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 960px) {
  .hero-grid,
  .info-grid,
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .profile-card {
    padding: 24px 22px 28px;
  }
}

@media (max-width: 640px) {
  .topbar-inner,
  .footer-inner,
  .fact-list li,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .topbar-inner,
  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 12px 0;
  }

  .nav {
    gap: 12px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-copy {
    padding: 40px 22px;
    border-radius: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .cta-button,
  .ghost-button {
    width: 100%;
  }

  .timeline-item {
    display: grid;
    gap: 14px;
  }

  .fact-list li {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .fact-list strong {
    text-align: left;
  }
}