@import 'https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css';

:root {
  /* === Spacing === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* === 배경 (v2) === */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-elevated: #f1f5f9;

  /* === 텍스트 (v2) === */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;

  /* === 브랜드 (v2) === */
  --color-brand-primary: #2563eb;
  --color-brand-hover: #1d4ed8;
  --color-brand-light: #dbeafe;

  /* === 액센트 (v2) === */
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;

  /* === 상태 (v2) === */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* === 보더 (v2) === */
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  /* === Shadow (v2) === */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.05), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.08), 0 4px 6px rgba(15, 23, 42, 0.05);

  /* === 후방 호환 alias (Phase 3.0.5 — 기존 코드 무수정 유지) === */
  --color-bg: var(--color-bg-primary);
  --color-bg-subtle: var(--color-bg-secondary);
  --color-bg-muted: var(--color-bg-elevated);
  --color-text: var(--color-text-primary);
  --color-text-tertiary: #64748b;
  --color-danger: var(--color-error);

  /* === Typography === */
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;
  --text-md: 15px;
  --text-lg: 17px;
  --text-xl: 19px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 48px;

  /* === Radius === */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* === 기타 === */
  --transition: 0.15s ease;
  --max-width: 1100px;
  --font-sans: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

/* === Tabular numbers (Phase 3.0.7) — 가격·점수·결과 정렬 === */
.numeric, .stat, .results-meta, .price, .score, .rec-score,
input[type="number"], input[inputmode="decimal"], input[inputmode="numeric"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.site-header.scrolled {
  border-bottom-color: var(--color-border-strong);
}

.site-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-header .logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--color-text);
}

.site-header .logo-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--color-brand-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-header .logo-mark svg {
  stroke: var(--color-bg-primary);
}

.site-header nav {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.site-header nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  transition: color var(--transition);
}

.site-header nav a:hover {
  color: var(--color-text);
}

.site-header nav a.active {
  color: var(--color-text);
}

.site-header .cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-bg);
  background: var(--color-text);
  padding: 7px 13px;
  border-radius: 7px;
  transition: var(--transition);
}

.site-header .cta:hover {
  background: var(--color-text-secondary);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.site-footer .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer .copyright {
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: -0.003em;
}

.site-footer .meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  row-gap: 4px;
}

.site-footer .meta-item {
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: -0.003em;
}

.site-footer .meta-divider {
  font-size: 11px;
  color: var(--color-border-strong);
}

@media (max-width: 768px) {
  .site-header nav {
    gap: 16px;
  }

  .site-header .cta {
    padding: 6px 12px;
  }

  .site-footer .inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 540px) {
  .site-header nav a:not(.cta):nth-child(2) {
    display: none;
  }

  .site-header nav a:first-child {
    display: none;
  }
}