:root {
  --navy: #0e2a52;
  --navy-deep: #081a35;
  --accent: #2f6fdb;
  --text: #1f2937;
  --text-soft: #6b7280;
  --line: #e5e7eb;
  --bg-alt: #f5f7fa;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 96px 0 88px;
  text-align: center;
}

.hero-mark {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.45em;
  text-indent: 0.45em;
  color: #9db8e0;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 19px;
  color: #d7e2f2;
}

.hero-sub-en {
  font-size: 15px;
  color: #8fa9cf;
  margin-top: 8px;
}

/* Sections */
.section { padding: 76px 0; }
.section-alt { background: var(--bg-alt); }

.section h2 {
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 36px;
}

.section h2 .en {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Business cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px 22px;
  background: #fff;
}

.card-icon {
  width: 30px;
  height: 30px;
  color: var(--accent);
  margin-bottom: 14px;
}

.card h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.card p { font-size: 14.5px; color: var(--text-soft); }

.card p.en {
  font-size: 12.5px;
  margin-top: 8px;
  color: #9aa3af;
}

/* Company info table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.info-table th,
.info-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}

.info-table tr:last-child th,
.info-table tr:last-child td { border-bottom: none; }

.info-table th {
  width: 240px;
  background: #fafbfc;
  font-weight: 600;
  white-space: nowrap;
}

.info-table th .en {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
}

.en-inline { color: var(--text-soft); font-size: 13.5px; }

.info-table a { color: var(--accent); text-decoration: none; }
.info-table a:hover { text-decoration: underline; }

/* Footer */
.footer {
  background: var(--navy-deep);
  color: #8fa9cf;
  padding: 44px 0;
  font-size: 13.5px;
  text-align: center;
}

.footer a { color: #b9cbe8; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

.footer-links { margin-top: 12px; }
.footer-copy { margin-top: 12px; color: #64789c; }

/* Responsive */
@media (max-width: 640px) {
  .hero { padding: 68px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .section { padding: 52px 0; }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: none;
    padding-bottom: 4px;
    white-space: normal;
  }

  .info-table td { padding-top: 0; }
}