:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-muted: #eef3ff;
  --text: #162033;
  --muted: #5e6b85;
  --primary: #4f46e5;
  --primary-dark: #342abf;
  --accent: #14b8a6;
  --border: #dbe3f0;
  --shadow: 0 20px 50px rgba(22, 32, 51, 0.08);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8faff 0%, #f5f7fb 100%);
}
a { color: inherit; text-decoration: none; }
p { color: var(--muted); line-height: 1.8; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 88px 0; }
.muted-section { background: rgba(255,255,255,0.7); }
.accent-section { background: linear-gradient(180deg, #f3f7ff 0%, #ecfffc 100%); }
.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(245,247,251,0.82);
  border-bottom: 1px solid rgba(219,227,240,0.8);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 80px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand strong { display:block; }
.brand small { display:block; color: var(--muted); font-size: 12px; }
.brand-mark {
  display:grid; place-items:center; width: 44px; height: 44px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #7c3aed); color:#fff; font-weight:800;
}
.site-nav { display:flex; align-items:center; gap: 20px; }
.site-nav a { color: var(--muted); font-weight: 600; font-size: 14px; }
.button {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background: var(--primary); color:#fff; border-radius: 999px; padding: 14px 22px; font-weight: 700;
  box-shadow: 0 12px 30px rgba(79,70,229,0.25);
}
.button:hover { background: var(--primary-dark); }
.button-secondary {
  background: #fff; color: var(--primary); border: 1px solid rgba(79,70,229,0.16); box-shadow:none;
}
.full-width { width: 100%; }
.hero-section { padding: 72px 0 48px; }
.hero-grid, .split-section { display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items:center; }
.eyebrow {
  display:inline-flex; align-items:center; gap:8px; padding: 8px 14px; border-radius:999px;
  background: rgba(79,70,229,0.08); color: var(--primary); font-weight:700; font-size:13px;
}
h1, h2, h3, h4, strong { color: var(--text); }
h1 { font-size: clamp(40px, 6vw, 64px); line-height: 1.08; margin: 20px 0; }
h2 { font-size: clamp(30px, 4vw, 44px); margin: 18px 0; }
h3 { font-size: 22px; margin: 0 0 10px; }
.hero-copy { font-size: 18px; max-width: 640px; }
.cta-row, .hero-badges, .chip-row, .case-metrics { display:flex; flex-wrap: wrap; gap: 12px; }
.hero-badges span, .chip-row span, .case-metrics span, .pill {
  display:inline-flex; align-items:center; padding: 10px 14px; border-radius:999px; background:#fff; border:1px solid var(--border); color:var(--muted); font-weight:600; font-size:14px;
}
.hero-panel { display:grid; gap: 20px; }
.hero-card, .info-card, .pricing-card, .timeline-card, .store-card, .detail-side-card, .detail-hero-card, .detail-section, .filters-panel, .case-detail, .teaser-panel, .final-cta-panel {
  background: var(--surface); border-radius: var(--radius); border:1px solid rgba(219,227,240,0.9); box-shadow: var(--shadow);
}
.hero-card { padding: 24px; }
.card-label { color: var(--accent); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.mini-search { display:flex; gap: 8px; flex-wrap: wrap; margin: 18px 0; }
.mini-search span, .chip-checkbox { padding: 10px 14px; border-radius: 999px; background: var(--surface-muted); color: var(--text); font-weight: 600; }
.mini-store { background: linear-gradient(135deg, rgba(79,70,229,0.08), rgba(20,184,166,0.12)); border-radius: 18px; padding: 18px; font-weight: 600; }
.stats-grid, .card-grid, .pricing-grid, .timeline-grid { display:grid; gap: 20px; }
.stats-grid { grid-template-columns: repeat(4, 1fr); }
.stats-grid article { background: var(--surface); border-radius: 22px; padding: 24px; border:1px solid var(--border); }
.stats-grid strong { display:block; font-size: 34px; }
.problem-solution-grid, .journey-grid, .detail-section-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.problem-solution-grid article, .journey-grid article { background:#fff; border-radius:24px; padding:24px; border:1px solid var(--border); }
.section-heading { max-width: 740px; margin-bottom: 32px; }
.feature-grid { grid-template-columns: repeat(3, 1fr); }
.case-grid { grid-template-columns: repeat(3, 1fr); }
.info-card, .pricing-card, .timeline-card, .store-card, .case-detail { padding: 24px; }
.icon-chip { width: 52px; height: 52px; display:grid; place-items:center; font-size: 24px; border-radius: 16px; background: var(--surface-muted); margin-bottom: 16px; }
.teaser-panel, .final-cta-panel { padding: 32px; display:flex; align-items:center; justify-content:space-between; gap: 24px; }
.teaser-actions { display:grid; gap: 12px; justify-items: start; }
.pricing-grid { grid-template-columns: repeat(3, 1fr); }
.pricing-card.featured { background: linear-gradient(180deg, #4f46e5, #3127b8); color:#fff; }
.pricing-card.featured p, .pricing-card.featured li, .pricing-card.featured strong, .pricing-card.featured h3 { color:#fff; }
.plan-header { display:flex; align-items:flex-end; justify-content:space-between; gap: 12px; margin-bottom: 16px; }
.plan-header strong { font-size: 28px; }
.timeline-grid { grid-template-columns: repeat(5, 1fr); }
.timeline-card span { color: var(--primary); font-weight: 800; }
.page-hero { padding: 72px 0 24px; }
.page-hero.slim h1 { font-size: clamp(34px, 5vw, 52px); }
.stores-layout, .store-detail-layout { display:grid; grid-template-columns: 320px 1fr; gap: 24px; align-items:start; }
.filters-panel { padding: 24px; position: sticky; top: 104px; }
.filters-panel label, .filters-panel fieldset { display:grid; gap: 8px; margin-bottom: 16px; border:0; padding:0; }
.filters-panel input, .filters-panel select {
  width:100%; border:1px solid var(--border); border-radius: 14px; padding: 14px 16px; font: inherit; background: #fff;
}
.chip-filter-group { display:flex; flex-wrap:wrap; gap: 10px; }
.chip-checkbox input { display:none; }
.store-card-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.store-card-header, .result-summary, .compact { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap: 10px; }
.store-card dl { margin: 16px 0 0; display:grid; gap: 10px; }
.store-card dl div { display:grid; grid-template-columns: 88px 1fr; gap: 12px; }
.store-card dt { color: var(--muted); }
.store-card a, .case-card a, .detail-side-card a:last-child { color: var(--primary); font-weight: 700; }
.case-stack { display:grid; gap: 20px; }
.case-detail { display:grid; grid-template-columns: 1fr auto; gap: 24px; align-items:start; }
.case-tag { display:inline-flex; padding: 8px 12px; border-radius: 999px; background: rgba(20,184,166,0.12); color: #0f766e; font-weight: 800; margin-bottom: 12px; }
.faq-list { display:grid; gap: 14px; }
.faq-list details { background:#fff; border:1px solid var(--border); border-radius: 20px; padding: 20px 24px; }
.faq-list summary { cursor:pointer; font-weight: 700; }
.store-detail-main { display:grid; gap: 20px; }
.detail-hero-card, .detail-side-card, .detail-section { padding: 24px; }
.site-footer { padding: 56px 0 20px; border-top: 1px solid var(--border); background: #fff; }
.footer-grid { display:grid; grid-template-columns: 1.2fr 0.6fr 0.6fr; gap: 24px; }
.footer-grid h4 { margin-top: 0; }
.footer-grid a { display:block; color: var(--muted); margin-bottom: 10px; }
.footer-bottom { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); }
.nav-toggle, .nav-toggle-button { display:none; }
.hidden { display: none !important; }
@media (max-width: 960px) {
  .hero-grid, .split-section, .stores-layout, .store-detail-layout, .footer-grid, .case-detail { grid-template-columns: 1fr; }
  .stats-grid, .feature-grid, .case-grid, .pricing-grid, .timeline-grid, .store-card-grid, .problem-solution-grid, .journey-grid, .detail-section-grid { grid-template-columns: 1fr; }
  .teaser-panel, .final-cta-panel { flex-direction: column; align-items: flex-start; }
  .site-nav {
    position: fixed; inset: 80px 16px auto 16px; flex-direction: column; align-items: stretch; padding: 20px;
    background:#fff; border-radius: 24px; border:1px solid var(--border); box-shadow: var(--shadow); display:none;
  }
  .nav-toggle-button { display:grid; gap: 4px; }
  .nav-toggle-button span { width: 24px; height: 2px; background: var(--text); display:block; }
  .nav-toggle:checked ~ .site-nav { display:flex; }
  .filters-panel { position: static; }
}

.store-empty-state { padding: 24px; border: 1px dashed #cbd5e1; border-radius: 16px; background: #f8fafc; color: #475569; }