*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #fafafa;
  --color-text: #1a1a2e;
  --color-text-secondary: #555;
  --color-accent: #2d5f8a;
  --color-accent-hover: #1e4466;
  --color-border: #e0e0e0;
  --color-card-bg: #ffffff;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 60px 0 0;
  text-align: center;
}

.site-logo {
  max-width: 220px;
  height: auto;
}

.hero {
  padding: 48px 0 60px;
  text-align: center;
}

.hero .tagline {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero .description {
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.projects {
  padding: 40px 0 80px;
}

.projects h2 {
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.project-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  display: block;
}

.project-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.project-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-card p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.5;
}

.project-card .arrow {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
}

.header-link {
  color: inherit;
  text-decoration: none;
}

.legal {
  padding: 60px 0 80px;
}

.legal h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.legal-date {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin-bottom: 40px;
}

.legal h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
}

.legal p {
  color: var(--color-text-secondary);
  max-width: 600px;
}

.legal a {
  color: var(--color-accent);
  text-decoration: none;
}

.legal a:hover {
  text-decoration: underline;
}

footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer a {
  color: var(--color-accent);
  text-decoration: none;
}

footer a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 600px) {
  header {
    padding: 40px 0 0;
  }

  .site-logo {
    max-width: 180px;
  }

  .hero {
    padding: 52px 0 40px;
  }

  .hero .tagline {
    font-size: 1.15rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}