@charset "UTF-8";

/* assets/css/design-system.css
 * Apple-style Premium Design System based on DESIGN.md
 */

:root {
  /* Brand & Accent */
  --color-primary: #0066cc;
  --color-primary-focus: #0071e3;
  --color-primary-on-dark: #2997ff;

  /* Surface */
  --color-canvas: #ffffff;
  --color-canvas-parchment: #f5f5f7;
  --color-surface-pearl: #fafafc;
  --color-surface-tile-1: #272729;
  --color-surface-tile-2: #2a2a2c;
  --color-surface-tile-3: #252527;
  --color-surface-black: #000000;
  --color-surface-chip-translucent: rgba(210, 210, 215, 0.64);

  /* Text */
  --color-ink: #1d1d1f;
  --color-body: #1d1d1f;
  --color-body-on-dark: #ffffff;
  --color-body-muted: #cccccc;
  --color-ink-muted-80: #333333;
  --color-ink-muted-48: #7a7a7a;

  /* Hairlines */
  --color-divider-soft: rgba(0, 0, 0, 0.04);
  --color-hairline: #e0e0e0;

  /* Spacing */
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 17px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 80px;

  /* Border Radius */
  --rounded-none: 0px;
  --rounded-xs: 5px;
  --rounded-sm: 8px;
  --rounded-md: 11px;
  --rounded-lg: 18px;
  --rounded-pill: 9999px;
  --rounded-full: 50%;
}

/* Base resets and Typography */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--color-ink);
  background-color: var(--color-canvas);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

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

.on-dark a {
  color: var(--color-primary-on-dark);
}

/* Typography Scale */
.hero-display {
  font-size: 56px; font-weight: 600; line-height: 1.07; letter-spacing: -0.28px;
}
.display-lg {
  font-size: 40px; font-weight: 600; line-height: 1.10; letter-spacing: 0; margin-bottom: 8px;
}
.display-md {
  font-size: 34px; font-weight: 600; line-height: 1.47; letter-spacing: -0.374px;
}
.lead {
  font-size: 28px; font-weight: 400; line-height: 1.14; letter-spacing: 0.196px; margin-top: 0;
}
.tagline {
  font-size: 21px; font-weight: 600; line-height: 1.19; letter-spacing: 0.231px;
}
.body {
  font-size: 17px; font-weight: 400; line-height: 1.47; letter-spacing: -0.374px;
}
.body-strong {
  font-size: 17px; font-weight: 600; line-height: 1.24; letter-spacing: -0.374px;
}
.caption {
  font-size: 14px; font-weight: 400; line-height: 1.43; letter-spacing: -0.224px;
}

/* Buttons */
.button-primary {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  font-size: 17px; font-weight: 400; letter-spacing: -0.374px;
  padding: 11px 22px;
  border-radius: var(--rounded-pill);
  transition: transform 0.15s ease;
}
.button-primary:active {
  transform: scale(0.95);
}
.button-secondary-pill {
  display: inline-block;
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  font-size: 17px; font-weight: 400; letter-spacing: -0.374px;
  padding: 10px 22px;
  border-radius: var(--rounded-pill);
  transition: transform 0.15s ease;
}
.button-secondary-pill:active {
  transform: scale(0.95);
}
.button-group {
  margin-top: 20px;
  display: flex;
  gap: 15px;
  justify-content: center;
}

/* Components */
.global-nav {
  background-color: var(--color-surface-black);
  height: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-lg);
}
.global-nav a {
  color: var(--color-body-on-dark);
  font-size: 12px;
  letter-spacing: -0.12px;
}

.sub-nav-frosted {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(245, 245, 247, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  height: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid var(--color-hairline);
}

/* Tiles (Edge-to-edge layout) */
.product-tile {
  padding: var(--spacing-section) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.product-tile img {
  max-width: 100%;
  margin-top: var(--spacing-xxl);
  box-shadow: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;
}
.product-tile-light { background-color: var(--color-canvas); color: var(--color-ink); }
.product-tile-parchment { background-color: var(--color-canvas-parchment); color: var(--color-ink); }
.product-tile-dark { background-color: var(--color-surface-tile-1); color: var(--color-body-on-dark); }
.product-tile-dark .lead { color: var(--color-body-muted); }

/* Store Grid Cards */
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-section) var(--spacing-lg);
  max-width: 1440px;
  margin: 0 auto;
}
.store-utility-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg);
  text-align: left;
}
.store-utility-card img {
  width: 100%;
  border-radius: var(--rounded-sm);
  margin-bottom: var(--spacing-sm);
}

/* Footer */
/* Article Body Typography (NYT Style) */
.body {
  font-family: "Charter", "Georgia", serif; /* 뉴스 읽기에 최적화된 세리프체 */
  font-size: 20px;
  line-height: 1.8;
  color: #121212;
}
.body h1, .body h2, .body h3 {
  font-family: system-ui, -apple-system, sans-serif;
  margin-top: 2em;
  margin-bottom: 0.5em;
}
.body h2 { font-size: 32px; font-weight: 700; border-bottom: 1px solid var(--color-hairline); padding-bottom: 8px; }
.body p { margin-bottom: 1.5em; }
.body blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 24px;
  margin: 40px 0;
  font-style: italic;
  font-size: 24px;
  color: var(--color-ink-muted-80);
}
.body ul, .body ol { margin-bottom: 1.5em; padding-left: 20px; }
.body li { margin-bottom: 0.5em; }