/* ============================================================
   STOREFRONT — Public tenant landing page
   Premium, mobile-first, Shopify-tier design
   All classes prefixed sf- to avoid collisions with common.css
   ============================================================ */

/* --- Page Shell --- */

.sf-page {
  min-height: 100vh;
  background: var(--bg);
  overflow-x: hidden;
  padding-bottom: 80px; /* room for sticky CTA */
}

.sf-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Hero --- */

.sf-hero {
  position: relative;
  padding: 5rem 1.5rem 3.5rem;
  text-align: center;
  overflow: hidden;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sf-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, color-mix(in srgb, var(--secondary) 25%, var(--primary)) 0%, transparent 70%),
    radial-gradient(ellipse at 80% 20%, color-mix(in srgb, var(--primary) 85%, #000) 0%, transparent 60%),
    linear-gradient(160deg, var(--primary) 0%, color-mix(in srgb, var(--primary) 65%, #000) 100%);
  z-index: 0;
}

.sf-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(255,255,255,0.04) 0%, transparent 40%);
}

.sf-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.05) 45%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 55%, transparent 60%);
  background-size: 300% 100%;
  animation: sfHeroShimmer 6s ease-in-out infinite;
}

@keyframes sfHeroShimmer {
  0%, 70%, 100% { background-position: 200% 0; }
  35% { background-position: -100% 0; }
}

.sf-hero-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  animation: sfFadeUp 0.8s ease;
}

.sf-hero-logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  object-fit: cover;
  border: 3px solid rgba(255,255,255,0.2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  margin-bottom: 1.25rem;
}

.sf-hero-logo-fallback {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.25rem;
}

.sf-hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.sf-hero-tagline {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
  margin: 0 0 1.75rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.sf-hero-sub {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  margin-top: 1rem;
  letter-spacing: 0.02em;
}

/* --- Buttons --- */

.sf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.sf-btn:active { transform: scale(0.97); }

.sf-btn-hero {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.1);
}

.sf-btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 2px 6px rgba(0,0,0,0.1);
}

.sf-btn-cta {
  width: 100%;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--primary) 40%, transparent);
}

.sf-btn-cta:hover {
  background: color-mix(in srgb, var(--primary) 85%, #000);
}

/* --- Section Base --- */

.sf-section {
  padding: 3rem 0;
}

.sf-section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.sf-section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.sf-section-sub {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* --- Social Proof Stats --- */

.sf-stats {
  padding: 2.5rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sf-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.sf-stat {
  text-align: center;
  padding: 1rem 0.5rem;
}

.sf-stat-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.375rem;
  font-variant-numeric: tabular-nums;
}

.sf-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Rewards Showcase --- */

.sf-rewards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.sf-reward-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: sfSlideUp 0.5s ease both;
}

.sf-reward-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.sf-reward-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  border-color: color-mix(in srgb, var(--primary) 25%, var(--border));
}

.sf-reward-icon {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.sf-reward-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 0.375rem;
}

.sf-reward-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sf-reward-cost {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  background: color-mix(in srgb, var(--primary) 8%, var(--bg));
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--primary) 15%, var(--border));
}

.sf-reward-cost-num {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
}

.sf-reward-cost-unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- Offers/Vouchers --- */

.sf-offers-section {
  background: color-mix(in srgb, var(--primary) 3%, var(--bg));
}

.sf-offers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.sf-offer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sf-offer-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at top right, color-mix(in srgb, var(--secondary) 10%, transparent) 0%, transparent 70%);
}

.sf-offer-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.sf-offer-badge {
  display: inline-block;
  background: color-mix(in srgb, var(--secondary) 12%, var(--bg));
  color: var(--secondary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.625rem;
}

.sf-offer-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 0.25rem;
}

.sf-offer-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 0.75rem;
}

.sf-offer-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.sf-offer-expiry {
  font-size: 0.75rem;
  color: var(--warning);
  font-weight: 600;
}

/* --- Lucky Draw Winners --- */

.sf-winners-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sf-winners-list {
  max-width: 560px;
  margin: 0 auto;
}

.sf-winner-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.sf-winner-item:nth-child(odd) {
  background: var(--bg);
}

.sf-winner-avatar {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--secondary) 10%, var(--bg-card));
  border-radius: 12px;
  flex-shrink: 0;
}

.sf-winner-info {
  flex: 1;
  min-width: 0;
}

.sf-winner-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-heading);
}

.sf-winner-draw {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.sf-winner-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* --- How It Works --- */

.sf-how-section {
  background: var(--bg);
}

.sf-how-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 640px;
  margin: 0 auto;
}

.sf-how-step {
  text-align: center;
  padding: 1.5rem 1rem;
  position: relative;
}

.sf-how-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

.sf-how-icon {
  font-size: 2rem;
  margin-bottom: 0.625rem;
  line-height: 1;
}

.sf-how-step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 0.375rem;
}

.sf-how-step p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 240px;
  margin: 0 auto;
}

.sf-how-connector {
  width: 2px;
  height: 32px;
  background: linear-gradient(180deg, var(--border) 0%, color-mix(in srgb, var(--primary) 30%, var(--border)) 50%, var(--border) 100%);
  border-radius: 1px;
}

/* --- Footer --- */

.sf-footer {
  padding: 3rem 0 2rem;
  background: color-mix(in srgb, var(--primary) 4%, var(--bg));
  border-top: 1px solid var(--border);
}

.sf-footer-grid {
  text-align: center;
}

.sf-footer-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}

.sf-footer-grid h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 1.25rem;
}

.sf-footer-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.sf-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.sf-footer-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--primary) 12%, transparent);
}

.sf-footer-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--primary);
}

.sf-footer-social {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.sf-social-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.sf-social-icon:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 15%, transparent);
}

.sf-social-icon svg {
  width: 20px;
  height: 20px;
}

/* --- Powered Badge --- */

.sf-powered {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.6;
}

.sf-powered a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}

/* --- Sticky CTA --- */

.sf-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  z-index: 100;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sf-sticky-cta.sf-visible {
  transform: translateY(0);
}

/* --- Scroll Animations --- */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].sf-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Keyframes --- */

@keyframes sfFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sfSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive --- */

@media (min-width: 640px) {
  .sf-rewards-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-offers-grid { grid-template-columns: repeat(2, 1fr); }
  .sf-hero-title { font-size: 2.75rem; }
  .sf-stat-num { font-size: 2.75rem; }

  .sf-how-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }
  .sf-how-step { flex: 1; padding: 1rem; }
  .sf-how-connector {
    width: 40px;
    height: 2px;
    margin-top: 3.5rem;
    background: linear-gradient(90deg, var(--border) 0%, color-mix(in srgb, var(--primary) 30%, var(--border)) 50%, var(--border) 100%);
  }
}

@media (min-width: 960px) {
  .sf-rewards-grid { grid-template-columns: repeat(3, 1fr); }
  .sf-hero { min-height: 500px; padding: 6rem 2rem 4rem; }
  .sf-hero-title { font-size: 3rem; }
  .sf-section { padding: 4rem 0; }
  .sf-footer-contact { flex-direction: row; justify-content: center; }
}

/* hide sticky on larger screens */
@media (min-width: 960px) {
  .sf-sticky-cta { display: none; }
  .sf-page { padding-bottom: 0; }
}

/* ============================================================
   THEME-AWARE ENHANCEMENTS
   Match premium card visual style per theme
   ============================================================ */

/* Glassmorphism reward cards */
.sf-reward-card {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), box-shadow 0.35s cubic-bezier(0.16,1,0.3,1);
}
.sf-reward-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.sf-offer-card {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.sf-offer-card:hover { transform: translateY(-4px); }

/* Entrance animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
[data-animate].sf-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero shimmer overlay */
.sf-hero-bg::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.03) 50%, transparent 60%);
  animation: sfShimmer 8s ease-in-out infinite;
}
@keyframes sfShimmer {
  0%, 100% { transform: translateX(-30%) rotate(0deg); }
  50% { transform: translateX(30%) rotate(2deg); }
}

/* Coffee theme */
.sf-theme-coffee .sf-hero-bg {
  background: linear-gradient(160deg, #2c1810 0%, #1a0f08 100%);
}
.sf-theme-coffee .sf-hero-bg::before {
  background:
    radial-gradient(circle at 30% 70%, rgba(193,154,107,0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(193,154,107,0.08) 0%, transparent 40%);
}

/* Salon theme */
.sf-theme-salon .sf-hero-bg {
  background: linear-gradient(160deg, #1a0a14 0%, #0d0509 100%);
}

/* Fitness theme */
.sf-theme-fitness .sf-hero-bg {
  background: linear-gradient(160deg, #0a1a0a 0%, #050d05 100%);
}
.sf-theme-fitness .sf-btn-hero {
  background: #00e676;
  color: #0a1a0a;
}

/* Restaurant theme */
.sf-theme-restaurant .sf-hero-bg {
  background: linear-gradient(160deg, #2d0a0a 0%, #1a0505 100%);
}

/* Bakery theme */
.sf-theme-bakery .sf-hero-bg {
  background: linear-gradient(160deg, #3d2517 0%, #1a0f08 100%);
}

/* Modern theme */
.sf-theme-modern .sf-hero-bg {
  background: linear-gradient(160deg, #111111 0%, #000000 100%);
}

/* Minimal theme */
.sf-theme-minimal .sf-hero-bg {
  background: linear-gradient(160deg, var(--primary) 0%, color-mix(in srgb, var(--primary) 80%, #fff) 100%);
}
.sf-theme-minimal .sf-reward-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  color: #1f2937;
}

/* Carwash theme */
.sf-theme-carwash .sf-hero-bg {
  background: linear-gradient(160deg, #0a1520 0%, #050b10 100%);
}
.sf-theme-carwash .sf-btn-hero {
  background: linear-gradient(135deg, #48cae4, #0096c7);
  color: #fff;
}

/* Retail theme */
.sf-theme-retail .sf-hero-bg {
  background: linear-gradient(160deg, var(--primary) 0%, color-mix(in srgb, var(--primary) 60%, #000) 100%);
}