/* VISAS KOREA — design tokens */
:root {
  --vk-navy-900: #0B1F3A;
  --vk-navy-800: #0F2A4D;
  --vk-navy-700: #14366B;
  --vk-blue-600: #1D4ED8;
  --vk-blue-500: #2563EB;
  --vk-blue-50: #EEF4FF;
  --vk-red: #C8102E;
  --vk-red-soft: #FDECEE;
  --vk-ink: #0E1726;
  --vk-ink-2: #1F2937;
  --vk-muted: #4B5563;
  --vk-line: #E5E7EB;
  --vk-line-2: #EEF1F5;
  --vk-bg: #FFFFFF;
  --vk-bg-alt: #F7F9FC;
  --vk-bg-tint: #F1F5FB;
  --vk-amber: #B45309;

  --vk-radius-sm: 6px;
  --vk-radius: 10px;
  --vk-radius-lg: 14px;

  --vk-shadow-sm: 0 1px 2px rgba(11,31,58,.06), 0 1px 1px rgba(11,31,58,.04);
  --vk-shadow: 0 4px 14px rgba(11,31,58,.08), 0 1px 2px rgba(11,31,58,.04);
  --vk-shadow-lg: 0 16px 40px rgba(11,31,58,.14);

  --vk-font: 'Noto Sans KR', 'Noto Sans', 'Noto Sans JP', 'Noto Sans SC', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --vk-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Reset within artboards */
.vk * { box-sizing: border-box; }
.vk {
  font-family: var(--vk-font);
  color: var(--vk-ink);
  background: var(--vk-bg);
  font-feature-settings: "ss01","ss02","tnum";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  font-size: 15px;
}
.vk h1, .vk h2, .vk h3, .vk h4, .vk h5 { margin: 0; font-weight: 700; letter-spacing: -0.01em; color: var(--vk-navy-900); line-height: 1.2; }
.vk p { margin: 0; }
.vk a { color: var(--vk-blue-600); text-decoration: none; }
.vk a:hover { text-decoration: underline; }
.vk button { font-family: inherit; cursor: pointer; border: 0; background: none; padding: 0; color: inherit; }

/* Buttons */
.vk-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: var(--vk-radius);
  font-weight: 600; font-size: 14px; line-height: 1; letter-spacing: -0.005em;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
  border: 1px solid transparent;
  white-space: nowrap;
}
.vk-btn:active { transform: translateY(1px); }
.vk-btn-primary { background: var(--vk-navy-900); color: #fff; }
.vk-btn-primary:hover { background: var(--vk-navy-700); }
.vk-btn-accent { background: var(--vk-red); color: #fff; }
.vk-btn-accent:hover { background: #a40e26; }
.vk-btn-blue { background: var(--vk-blue-600); color: #fff; }
.vk-btn-blue:hover { background: #1740b3; }
.vk-btn-ghost { background: #fff; color: var(--vk-navy-900); border-color: var(--vk-line); }
.vk-btn-ghost:hover { border-color: var(--vk-navy-900); }
.vk-btn-lg { padding: 14px 22px; font-size: 15px; }
.vk-btn-sm { padding: 8px 12px; font-size: 13px; border-radius: var(--vk-radius-sm); }

/* Kbd-ish chips */
.vk-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px;
  background: var(--vk-blue-50); color: var(--vk-blue-600);
  font-size: 12px; font-weight: 600; letter-spacing: -0.005em;
}
.vk-chip-red { background: var(--vk-red-soft); color: var(--vk-red); }
.vk-chip-neutral { background: #EEF1F5; color: var(--vk-ink-2); }
.vk-chip-amber { background: #FEF3E2; color: var(--vk-amber); }

/* Cards */
.vk-card {
  background: #fff;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.vk-card:hover { border-color: #C9D2E0; box-shadow: var(--vk-shadow); }

/* Section base */
.vk-section { padding: 80px 0; }
.vk-container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.vk-mobile .vk-section { padding: 44px 0; }
.vk-mobile .vk-container { padding: 0 18px; }

/* Eyebrow */
.vk-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--vk-blue-600);
}

/* Striped placeholder */
.vk-ph {
  position: relative;
  background:
    repeating-linear-gradient(135deg, #F1F5FB 0 12px, #E6ECF5 12px 24px);
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--vk-muted);
  font-family: var(--vk-font-mono);
  font-size: 11px;
  text-align: center;
  overflow: hidden;
}
.vk-ph-dark {
  background:
    repeating-linear-gradient(135deg, #14264A 0 12px, #0E1E3D 12px 24px);
  color: #B7C4DD;
  border-color: #14264A;
}
.vk-ph-label {
  background: rgba(255,255,255,.85);
  padding: 4px 8px; border-radius: 4px;
  border: 1px solid var(--vk-line);
}
.vk-ph-dark .vk-ph-label {
  background: rgba(11,31,58,.7); color: #DCE5F5; border-color: rgba(255,255,255,.1);
}

/* Form */
.vk-input, .vk-select, .vk-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--vk-line);
  border-radius: var(--vk-radius-sm);
  font-family: inherit; font-size: 14px; color: var(--vk-ink);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.vk-input:focus, .vk-select:focus, .vk-textarea:focus {
  outline: none; border-color: var(--vk-navy-900); box-shadow: 0 0 0 3px rgba(11,31,58,.08);
}
.vk-label {
  display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--vk-ink-2);
}
.vk-required { color: var(--vk-red); margin-left: 2px; }

/* Table */
.vk-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.vk-table th, .vk-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--vk-line); vertical-align: top; }
.vk-table th { background: var(--vk-bg-alt); font-weight: 600; color: var(--vk-ink-2); font-size: 13px; }

/* Spec annotations */
.vk-spec [data-spec] {
  position: relative;
  outline: 1px dashed rgba(29, 78, 216, 0.45);
  outline-offset: 2px;
}
.vk-spec [data-spec]::after {
  content: attr(data-spec);
  position: absolute;
  top: -10px; left: 6px;
  background: var(--vk-blue-600);
  color: #fff;
  font-family: var(--vk-font-mono);
  font-size: 9px; font-weight: 700;
  padding: 1px 5px; border-radius: 3px;
  letter-spacing: 0.04em;
  z-index: 5;
  white-space: nowrap;
  pointer-events: none;
}
.vk-spec-banner {
  display: none;
  padding: 8px 14px;
  background: #FEF7E6;
  border: 1px solid #F0D78A;
  border-radius: var(--vk-radius-sm);
  font-family: var(--vk-font-mono);
  font-size: 11px;
  color: #6B4C0E;
  margin-bottom: 12px;
}
.vk-spec .vk-spec-banner { display: block; }

/* Compact density */
.vk-compact .vk-section { padding: 56px 0; }
.vk-compact .vk-card-pad { padding: 18px; }

/* Hero variants handled inline */