body.storefront { background: var(--color-bg); }

.sf-header { position: sticky; top: 0; z-index: 100; height: var(--header-h); background: rgba(255,252,248,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.sf-header-inner { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.sf-logo { display: flex; align-items: center; gap: var(--space-sm); font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--color-text); text-decoration: none; }
.sf-logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.sf-nav { display: flex; align-items: center; gap: var(--space-lg); }
.sf-nav a { font-weight: 500; color: var(--color-text-muted); text-decoration: none; }
.sf-nav a:hover, .sf-nav a.active { color: var(--color-primary); }
.sf-header-actions { display: flex; align-items: center; gap: var(--space-md); }
.sf-search { position: relative; }
.sf-search input { width: 220px; padding: 8px 14px 8px 36px; border: 1.5px solid var(--color-border); border-radius: var(--radius-full); font-size: var(--fs-caption); background: var(--color-surface); outline: none; }
.sf-search input:focus { border-color: var(--color-primary); width: 280px; }
.sf-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); font-size: 14px; pointer-events: none; }
.sf-cart-btn { position: relative; background: none; border: none; cursor: pointer; font-size: 22px; padding: 4px; color: var(--color-text); text-decoration: none; }
.sf-cart-count { position: absolute; top: -4px; right: -4px; background: var(--color-primary); color: #fff; font-size: 10px; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.sf-menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

.sf-hero { background: linear-gradient(135deg, #FFF5EB 0%, #FFFCF8 50%, #F0F7EF 100%); padding: var(--space-2xl) var(--space-lg); }
.sf-hero-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.sf-hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(242,115,29,0.12); color: var(--color-primary-dark); padding: 6px 14px; border-radius: var(--radius-full); font-size: var(--fs-caption); font-weight: 600; margin-bottom: var(--space-md); }
.sf-hero h1 { font-size: clamp(28px, 5vw, 44px); margin-bottom: var(--space-md); line-height: 1.15; }
.sf-hero h1 span { color: var(--color-primary); }
.sf-hero-desc { color: var(--color-text-muted); font-size: 17px; margin-bottom: var(--space-lg); max-width: 480px; }
.sf-hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.sf-hero-visual { display: flex; justify-content: center; font-size: 120px; animation: float 4s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.sf-section { max-width: 1200px; margin: 0 auto; padding: var(--space-2xl) var(--space-lg); }
.sf-section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: var(--space-lg); }
.sf-categories { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-bottom: var(--space-lg); }
.sf-cat-pill { padding: 8px 18px; border-radius: var(--radius-full); border: 1.5px solid var(--color-border); background: var(--color-surface); font-size: var(--fs-caption); font-weight: 600; color: var(--color-text-muted); cursor: pointer; transition: all var(--transition); }
.sf-cat-pill:hover, .sf-cat-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.sf-product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-lg); }
.sf-product-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.sf-product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sf-product-img { height: 180px; background: linear-gradient(135deg, #FFF5EB, #F0F7EF); display: flex; align-items: center; justify-content: center; font-size: 72px; position: relative; }
.sf-product-img .badge { position: absolute; top: 10px; left: 10px; }
.sf-product-body { padding: var(--space-md); }
.sf-product-origin { font-size: var(--fs-caption); color: var(--color-text-muted); margin-bottom: 4px; }
.sf-product-name { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h3); margin-bottom: var(--space-sm); }
.sf-product-footer { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-sm); }
.sf-product-price { font-family: var(--font-mono); font-weight: 500; font-size: 16px; color: var(--color-primary-dark); }
.sf-product-unit { font-size: var(--fs-caption); color: var(--color-text-muted); }
.sf-add-btn { width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--color-primary); color: #fff; border: none; font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.sf-add-btn:hover { background: var(--color-primary-hover); }

.sf-features { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.sf-features-grid { max-width: 1200px; margin: 0 auto; padding: var(--space-xl) var(--space-lg); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.sf-feature { text-align: center; padding: var(--space-md); }
.sf-feature-icon { font-size: 32px; margin-bottom: var(--space-sm); }
.sf-feature h3 { font-size: var(--fs-body); margin-bottom: 4px; }
.sf-feature p { font-size: var(--fs-caption); color: var(--color-text-muted); }

.sf-blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-lg); }
.sf-blog-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.sf-blog-card:hover { box-shadow: var(--shadow-md); }
.sf-blog-img { height: 160px; background: linear-gradient(135deg, #FFF5EB, #E8F5E8); display: flex; align-items: center; justify-content: center; font-size: 48px; }
.sf-blog-body { padding: var(--space-md); }
.sf-blog-date { font-size: var(--fs-caption); color: var(--color-text-muted); margin-bottom: 6px; }
.sf-blog-title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h3); margin-bottom: var(--space-sm); }

.sf-footer { background: var(--color-text); color: rgba(255,252,248,0.75); padding: var(--space-2xl) var(--space-lg) var(--space-lg); }
.sf-footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-xl); }
.sf-footer-brand h3 { font-family: var(--font-display); color: #fff; margin-bottom: var(--space-sm); }
.sf-footer-brand p { font-size: var(--fs-caption); line-height: 1.7; }
.sf-footer-col h4 { color: #fff; font-size: var(--fs-body); font-weight: 600; margin-bottom: var(--space-md); }
.sf-footer-col a { display: block; color: rgba(255,252,248,0.6); font-size: var(--fs-caption); margin-bottom: 8px; text-decoration: none; }
.sf-footer-col a:hover { color: var(--color-primary); }
.sf-footer-bottom { max-width: 1200px; margin: var(--space-xl) auto 0; padding-top: var(--space-lg); border-top: 1px solid rgba(255,252,248,0.1); display: flex; justify-content: space-between; font-size: var(--fs-caption); color: rgba(255,252,248,0.4); }

/* ── PWA standalone mode ── */
@media (display-mode: standalone) {
  body.storefront { padding-top: env(safe-area-inset-top); }
  .sf-header { top: env(safe-area-inset-top); }
  .sf-install-banner { display: none !important; }
}

/* ── Mobile drawer ── */
.sf-drawer-overlay {
  position: fixed; inset: 0; background: rgba(43,33,24,0.45); z-index: 200;
  opacity: 0; visibility: hidden; transition: opacity 0.25s ease, visibility 0.25s;
}
.sf-drawer-overlay.open { opacity: 1; visibility: visible; }
.sf-drawer {
  position: fixed; top: 0; right: 0; width: min(320px, 88vw); height: 100%;
  background: var(--color-surface); z-index: 201; transform: translateX(100%);
  transition: transform 0.28s ease; padding: calc(env(safe-area-inset-top) + 16px) var(--space-lg) calc(env(safe-area-inset-bottom) + 16px);
  box-shadow: var(--shadow-lg); overflow-y: auto;
}
.sf-drawer.open { transform: translateX(0); }
.sf-drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-lg); }
.sf-drawer-close { width: 44px; height: 44px; border: none; background: var(--color-bg); border-radius: var(--radius-md); font-size: 22px; cursor: pointer; }
.sf-drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.sf-drawer-nav a {
  display: flex; align-items: center; gap: 12px; padding: 14px 12px; border-radius: var(--radius-md);
  font-weight: 600; color: var(--color-text); text-decoration: none; min-height: 48px;
}
.sf-drawer-nav a:hover, .sf-drawer-nav a.active { background: rgba(242,115,29,0.1); color: var(--color-primary); }
.sf-drawer-search { margin: var(--space-md) 0 var(--space-lg); }
.sf-drawer-search input {
  width: 100%; padding: 12px 14px 12px 40px; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); font-size: 16px; background: var(--color-bg);
}

/* ── Bottom navigation (mobile app style) ── */
.sf-bottom-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 120;
  background: rgba(255,252,248,0.96); backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  padding: 6px 8px calc(env(safe-area-inset-bottom) + 6px);
  justify-content: space-around; align-items: stretch;
}
.sf-bottom-nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 8px 4px; min-height: 52px; text-decoration: none;
  color: var(--color-text-muted); font-size: 11px; font-weight: 600; border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.sf-bottom-nav-item .icon { font-size: 22px; line-height: 1; }
.sf-bottom-nav-item.active { color: var(--color-primary); background: rgba(242,115,29,0.08); }
.sf-bottom-nav-item .badge-dot,
.sf-bottom-nav-item > .sf-cart-count {
  position: absolute; top: 4px; right: calc(50% - 22px);
  background: var(--color-primary); color: #fff; font-size: 10px; font-weight: 700;
  min-width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.sf-bottom-nav-item { position: relative; }

/* ── Install banner ── */
.sf-install-banner {
  display: none; position: fixed; bottom: calc(env(safe-area-inset-bottom) + 72px); left: 12px; right: 12px; z-index: 110;
  background: var(--color-text); color: #fff; padding: 14px 16px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); align-items: center; gap: 12px;
}
.sf-install-banner.show { display: flex; }
.sf-install-banner p { flex: 1; font-size: var(--fs-caption); line-height: 1.4; margin: 0; }
.sf-install-banner .btn { flex-shrink: 0; padding: 8px 14px; font-size: var(--fs-caption); }
.sf-install-dismiss { background: none; border: none; color: rgba(255,255,255,0.5); font-size: 20px; cursor: pointer; padding: 4px; }

body.storefront.has-bottom-nav { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
body.storefront.has-bottom-nav .sf-footer { padding-bottom: calc(var(--space-lg) + 68px + env(safe-area-inset-bottom)); }

@media (max-width: 900px) {
  .sf-hero-inner { grid-template-columns: 1fr; text-align: center; }
  .sf-hero-desc { margin: 0 auto var(--space-lg); }
  .sf-hero-actions { justify-content: center; }
  .sf-features-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-footer-inner { grid-template-columns: 1fr 1fr; }
  .sf-section-header { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
  .sf-hero { padding: var(--space-xl) var(--space-md); }
  .sf-section { padding: var(--space-xl) var(--space-md); }
}

@media (max-width: 640px) {
  :root { --header-h: 56px; }
  .sf-nav, .sf-search, .sf-header-actions .btn-ghost { display: none; }
  .sf-menu-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
  .sf-header-inner { padding: 0 var(--space-md); gap: var(--space-sm); }
  .sf-logo { font-size: 18px; }
  .sf-logo-icon { width: 32px; height: 32px; font-size: 18px; }
  .sf-cart-btn { min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
  .sf-features-grid, .sf-footer-inner { grid-template-columns: 1fr; }
  .sf-product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .sf-product-img { height: 140px; font-size: 56px; }
  .sf-product-name { font-size: 14px; }
  .sf-product-price { font-size: 14px; }
  .sf-add-btn { width: 40px; height: 40px; font-size: 22px; }
  .sf-hero-visual { font-size: 80px; }
  .sf-hero h1 { font-size: clamp(24px, 7vw, 32px); }
  .sf-hero-desc { font-size: 15px; }
  .sf-hero-actions .btn-lg { width: 100%; }
  .sf-hero-actions { flex-direction: column; width: 100%; max-width: 320px; margin: 0 auto; }
  .sf-categories { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .sf-categories::-webkit-scrollbar { display: none; }
  .sf-cat-pill { flex-shrink: 0; min-height: 40px; }
  .sf-blog-grid { grid-template-columns: 1fr; }
  .sf-bottom-nav { display: flex; }
  body.storefront { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .sf-footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* Cart mobile */
  .cart-item { flex-wrap: wrap; gap: var(--space-sm); padding: var(--space-md) var(--space-sm); }
  .cart-item-icon { font-size: 40px; width: 48px; }
  .cart-item .mono { min-width: auto !important; width: 100%; text-align: left !important; padding-left: 56px; }
  .qty-control button { width: 40px; height: 40px; }
  .cart-layout { padding: var(--space-lg) var(--space-md); padding-bottom: calc(var(--space-lg) + 68px + env(safe-area-inset-bottom)); }
}