:root {
  --primary: #2563EB; --primary-dark: #1D4ED8; --primary-light: #DBEAFE;
  --ink: #0F172A; --secondary: #475569; --muted: #94A3B8;
  --background: #F8FAFC; --surface: #FFFFFF; --border: #E2E8F0;
  --success-bg: #DCFCE7; --success-text: #166534; --prep-bg: #FEF3C7; --prep-text: #92400E;
  --check-bg: #F1F5F9; --check-text: #475569;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --content: 1120px;
  --font: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--background); color: var(--ink); font: 16px/1.65 var(--font); word-break: keep-all; }
a { color: inherit; }
.wrap { width: min(var(--content), calc(100% - 64px)); margin: 0 auto; }
.site-header { height: 80px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--background) 94%, transparent); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; width: 150px; height: 40px; text-decoration: none; }
.brand img, .site-footer img { display: block; width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.header-nav { margin-left: auto; }
.header-nav a, .footer-inner nav a { color: var(--secondary); text-decoration: none; font-weight: 600; font-size: 14px; }
.header-nav a:hover, .footer-inner nav a:hover { color: var(--primary); }
.lang-toggle { display: inline-flex; gap: 2px; border: 1px solid var(--border); border-radius: 999px; padding: 3px; background: var(--surface); }
.lang-toggle button { min-height: 32px; border: 0; border-radius: 999px; padding: 0 12px; color: var(--secondary); background: transparent; font: 600 13px var(--font); cursor: pointer; }
.lang-toggle button.active, .lang-toggle button:hover { background: var(--primary); color: white; }
.hero { padding: 112px 0 120px; border-bottom: 1px solid var(--border); }
.hero-inner { max-width: 780px; }
.hero-mark { margin-bottom: 32px; width: 100px; height: 100px; }
.hero-mark img { width: 100%; height: 100%; }
.eyebrow, .section-kicker { margin: 0 0 16px; color: var(--primary); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(42px, 6vw, 68px); line-height: 1.08; letter-spacing: -.05em; font-weight: 700; }
h2 { margin-bottom: 16px; font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: -.035em; }
.hero-copy, .section-intro { max-width: 680px; color: var(--secondary); font-size: 18px; line-height: 1.65; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: var(--radius-md); font-size: 14px; font-weight: 700; text-decoration: none; }
.button-primary { margin-top: 20px; background: var(--primary); color: white; }
.button-primary:hover { background: var(--primary-dark); }
.section { padding: 112px 0; border-bottom: 1px solid var(--border); }
.why { background: var(--surface); }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }
.principles article { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--background); }
.number { display: inline-block; margin-bottom: 34px; color: var(--primary); font-size: 13px; font-weight: 700; }
.principles h3 { margin-bottom: 8px; font-size: 20px; }
.principles p { margin-bottom: 0; color: var(--secondary); font-size: 14px; line-height: 1.6; }
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 48px; }
.app-card { display: flex; min-height: 100%; flex-direction: column; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.app-top { display: flex; align-items: center; gap: 16px; }
.app-top img, .app-placeholder { flex: 0 0 56px; width: 56px; height: 56px; border-radius: 14px; }
.app-top img { object-fit: cover; }
.app-placeholder { display: grid; place-items: center; color: white; background: var(--primary); font-size: 22px; font-weight: 700; }
.app-placeholder.travel { background: #0F766E; } .app-placeholder.workout { background: #7C3AED; } .app-placeholder.vacation { background: #D97706; } .app-placeholder.estate { background: #334155; } .app-placeholder.prayer { background: #2563EB; } .app-placeholder.reading { background: #16A34A; }
.app-top h3 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.app-top p { margin: 2px 0 0; color: var(--secondary); font-size: 13px; }
.one-liner { margin: 28px 0 8px; font-size: 18px; font-weight: 700; line-height: 1.45; }
.description { margin: 0; color: var(--secondary); font-size: 15px; line-height: 1.7; }
.status { display: inline-flex; align-items: center; gap: 7px; align-self: flex-start; margin-top: 24px; padding: 5px 11px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.status.live { color: var(--success-text); background: var(--success-bg); } .status.prep { color: var(--prep-text); background: var(--prep-bg); } .status.check { color: var(--check-text); background: var(--check-bg); }
.store-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 24px; }
.store-link { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 14px; border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--ink); font-size: 13px; font-weight: 700; text-decoration: none; }
.store-link:hover { border-color: var(--primary); color: var(--primary-dark); }
.store-link.disabled { color: var(--muted); background: var(--check-bg); cursor: default; }
.store-link.disabled:hover { border-color: var(--border); color: var(--muted); }
.progress { background: #F1F5F9; }
.about { background: var(--surface); }
.about-copy { max-width: 680px; color: var(--secondary); font-size: 18px; }
.contact-inner { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.contact-inner .button { flex: none; margin: 0; }
.site-footer { padding: 48px 0 72px; background: var(--surface); }
.footer-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.site-footer img { width: 150px; height: 40px; }
.footer-inner nav { display: flex; gap: 20px; margin-left: auto; }
.footer-inner > p { width: 100%; margin: 0; color: var(--muted); font-size: 13px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
@media (max-width: 899px) { .principles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .wrap { width: min(100% - 40px, var(--content)); }
  .site-header { height: 64px; }
  .brand { width: 132px; height: 36px; }
  .header-inner { gap: 12px; } .header-nav { margin-left: auto; } .header-nav a { font-size: 13px; }
  .lang-toggle button { padding: 0 8px; font-size: 12px; }
  .hero { padding: 72px 0; } .hero-mark { width: 72px; height: 72px; margin-bottom: 24px; }
  h1 { font-size: clamp(42px, 12vw, 56px); } .hero-copy, .section-intro, .about-copy { font-size: 16px; }
  .section { padding: 72px 0; } .principles, .app-grid { grid-template-columns: 1fr; gap: 16px; }
  .principles { margin-top: 32px; } .principles article { padding: 20px; } .number { margin-bottom: 24px; }
  .app-grid { margin-top: 32px; } .app-card { padding: 20px; } .store-links { flex-direction: column; } .store-link { width: 100%; }
  .contact-inner { align-items: flex-start; flex-direction: column; } .footer-inner nav { margin-left: 0; } .footer-inner { gap: 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
@media (prefers-color-scheme: dark) {
  :root { --background: #0B1220; --surface: #111827; --ink: #F8FAFC; --secondary: #CBD5E1; --muted: #94A3B8; --border: #263449; --check-bg: #1E293B; }
  .progress { background: #0F172A; } .app-card, .principles article { background: var(--surface); }
}