/* BNS Corporate Design System — enterprise */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&display=swap");

:root {
  --navy: #0c3d7a;
  --navy-2: #1565c0;
  --blue: #1565c0;
  --blue-bright: #0d47a1;
  --line: #d5e3f2;
  --line-strong: #b7cbe4;
  --bg: #f3f7fc;
  --surface: #ffffff;
  --text: #12325a;
  --muted: #5c6b7a;
  --ok: #0a7a56;
  --warn: #b86a00;
  --bad: #c62828;
  --shadow: 0 1px 0 rgba(10, 22, 40, .04), 0 8px 24px rgba(10, 22, 40, .06);
  --radius: 4px;
  --font: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-bright); }
button, input, select, textarea { font: inherit; }

.bns-wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.bns-top {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.bns-top-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 60px;
}
.bns-logo {
  font-weight: 800; font-size: 17px; letter-spacing: -.03em;
  color: var(--navy); text-decoration: none;
}
.bns-logo span { color: var(--blue); }
.bns-logo small {
  display: block; font-size: 10px; font-weight: 700;
  letter-spacing: .12em; color: var(--muted); margin-top: 2px;
}
.bns-nav { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.bns-nav a {
  color: var(--muted); font-weight: 700; font-size: 13px;
  padding: 8px 10px; border-radius: 6px;
}
.bns-nav a:hover, .bns-nav a.on { color: var(--navy); background: #eef2f6; }

.bns-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; min-height: 42px; padding: 0 18px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  background: #fff; color: var(--navy); font-weight: 700; font-size: 14px;
  letter-spacing: -.01em;
  cursor: pointer;
}
.bns-btn:hover { border-color: var(--blue); color: var(--blue); }
.bns-btn-primary {
  background: var(--blue); border-color: var(--blue); color: #fff;
}
.bns-btn-primary:hover { background: var(--blue-bright); border-color: var(--blue-bright); color: #fff; }
.bns-btn-dark { background: var(--navy); border-color: var(--navy); color: #fff; }
.bns-btn-dark:hover { background: var(--navy-2); color: #fff; }

.bns-hero {
  background:
    linear-gradient(180deg, rgba(21,101,192,.28), transparent 52%),
    #0e4f96;
  color: #fff;
  padding: 48px 0 36px;
  border-bottom: 3px solid var(--blue);
}
.bns-hero h1 {
  margin: 0 0 10px; font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: -.03em; font-weight: 800; line-height: 1.25;
}
.bns-hero p { margin: 0; max-width: 54ch; color: #b7c5d8; font-size: 15px; }
.bns-kicker {
  display: inline-block; font-size: 11px; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  color: #7eb0ff; margin-bottom: 10px;
}

.bns-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
}
.bns-panel h2 {
  margin: 0 0 14px; font-size: 15px; font-weight: 800;
  letter-spacing: -.01em; color: var(--navy);
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}

.bns-field label {
  display: block; font-size: 12px; font-weight: 700;
  color: var(--muted); margin-bottom: 6px;
}
.bns-field input, .bns-field select, .bns-field textarea {
  width: 100%; border: 1px solid var(--line-strong); border-radius: 6px;
  padding: 10px 12px; background: #fff; color: var(--text);
}
.bns-field input:focus, .bns-field select:focus, .bns-field textarea:focus {
  outline: 2px solid rgba(15, 76, 156, .25); border-color: var(--blue);
}

.bns-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.bns-table th, .bns-table td {
  padding: 11px 10px; border-bottom: 1px solid var(--line);
  text-align: left; vertical-align: top;
}
.bns-table th {
  font-size: 11px; font-weight: 800; color: var(--muted);
  background: #f7f9fc; letter-spacing: .02em;
}
.bns-table tr:hover td { background: #fafbfd; }

.bns-chip {
  display: inline-flex; align-items: center;
  padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 800;
  background: #e8eef6; color: var(--navy);
}
.bns-chip.blue { background: #e3eefc; color: var(--blue); }
.bns-chip.ok { background: #e5f6ef; color: var(--ok); }
.bns-chip.warn { background: #fff3df; color: var(--warn); }
.bns-chip.bad { background: #fde8e8; color: var(--bad); }

.bns-muted { color: var(--muted); font-size: 13px; }
.bns-grid-2 { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.bns-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.bns-foot {
  margin-top: 56px; padding: 32px 0 40px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 12px;
  background: #fff;
}
.bns-biz { display: flex; flex-wrap: wrap; gap: 6px 16px; line-height: 1.7; }
.bns-biz strong { display: block; width: 100%; color: var(--navy); font-size: 13px; font-weight: 700; }

@media (max-width: 860px) {
  .bns-grid-2, .bns-grid-3 { grid-template-columns: 1fr; }
  .bns-nav { display: none; }
}
@media (max-width: 700px) {
  .bns-hero { padding: 32px 0 24px; }
  .bns-wrap { width: min(1120px, calc(100% - 32px)); }
  .bns-foot { margin-top: 36px; padding: 24px 0 32px; }
  input, select, textarea { font-size: 16px; }
  .bns-table th:nth-child(3),
  .bns-table td:nth-child(3),
  .bns-table th:nth-child(4),
  .bns-table td:nth-child(4) { display: none; }
  .bns-table th, .bns-table td { padding: 10px 8px; }
}
