/* =============================================
  CSS DESIGN SYSTEM — e-MRK 4U
   Edit custom properties to retheme any project
   ============================================= */

/* ── 1. DESIGN TOKENS ──────────────────────────────────────────────── */
:root {
  /* --- Brand Colors --- */
  --clr-bg:          #0A0E1A;
  --clr-surface:     #111C2E;
  --clr-surface-2:   #182540;
  --clr-surface-3:   #1F2E4A;
  --clr-border:      rgba(255,255,255,0.06);
  --clr-border-md:   rgba(255,255,255,0.10);

  --clr-text:        #EEF2FF;
  --clr-text-muted:  #94A3B8;
  --clr-text-subtle: #64748B;

  --clr-accent:      #D4A843;
  --clr-accent-2:    #F0B429;
  --clr-accent-2-rgb: 240, 180, 41;
  --clr-accent-rgb:  212, 168, 67;
  --clr-accent-glow: rgba(212,168,67,0.35);
  --clr-accent-soft: rgba(212,168,67,0.12);
  --clr-header-bg:   rgba(10,14,26,0.85);

  --clr-success:     #10B981;
  --clr-warning:     #F59E0B;
  --clr-danger:      #EF4444;

  /* --- Gradients --- */
  --grad-accent:  linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-2) 100%);
  --grad-hero:    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(var(--clr-accent-rgb),0.3) 0%, transparent 70%), var(--clr-bg);
  --grad-card:    linear-gradient(145deg, #15152E 0%, #0F0F24 100%);

  /* --- Typography --- */
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;

  /* --- Spacing scale (4px base) --- */
  --sp-1: 0.25rem; --sp-2: 0.5rem;  --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.25rem; --sp-6: 1.5rem;  --sp-8: 2rem;    --sp-10: 2.5rem;
  --sp-12: 3rem;   --sp-16: 4rem;   --sp-20: 5rem;   --sp-24: 6rem;

  /* --- Radius --- */
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 20px; --r-2xl: 28px; --r-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm:   0 1px 4px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:   0 10px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 30px var(--clr-accent-glow);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.5), 0 0 0 1px var(--clr-border);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.7), 0 0 0 1px var(--clr-border-md), 0 0 20px rgba(var(--clr-accent-rgb),0.1);
  --shadow-accent: 0 4px 16px rgba(var(--clr-accent-rgb),0.35);
  --shadow-accent-hover: 0 8px 28px rgba(var(--clr-accent-rgb),0.5);
  --shadow-accent-soft: 0 2px 8px rgba(var(--clr-accent-rgb),0.5);

  /* --- Transitions --- */
  --t-fast:   150ms ease;
  --t-normal: 250ms ease;
  --t-slow:   400ms ease;

  /* --- Layout --- */
  --header-h: 72px;
  --max-w:    1280px;
  --pad-x:    clamp(1.25rem, 4vw, 2.5rem);

}

/* ── 2. RESET & BASE ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

img, video { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 3px; border-radius: var(--r-sm); }

button { cursor: pointer; font-family: var(--font); border: none; background: none; }

ul, ol { list-style: none; }

input, select, textarea {
  font-family: var(--font);
  font-size: 1rem;
}

/* ── 3. LAYOUT ────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: var(--sp-20); }
.section-sm { padding-block: var(--sp-12); }

/* ── 4. TYPOGRAPHY ────────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: var(--sp-12); }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-soft);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--clr-text);
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--clr-text-muted);
  max-width: 540px;
  margin-inline: auto;
  margin-top: var(--sp-3);
}
.grad-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── 5. BUTTONS ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--r-md);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: all var(--t-normal);
  white-space: nowrap;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover { box-shadow: var(--shadow-accent-hover); }
.btn-primary.btn-added { background: var(--clr-success); box-shadow: 0 4px 16px rgba(16,185,129,0.35); }

.btn-outline {
  border-color: var(--clr-border-md);
  color: var(--clr-text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); background: var(--clr-accent-soft); }

.btn-ghost {
  color: var(--clr-accent);
  background: transparent;
  padding-inline: var(--sp-2);
}
.btn-ghost:hover { background: var(--clr-accent-soft); }

.btn-lg { padding: var(--sp-4) var(--sp-8); font-size: 1rem; border-radius: var(--r-lg); }
.btn-sm { padding: var(--sp-2) var(--sp-4); font-size: 0.875rem; }
.btn-full { width: 100%; }

.btn-add-cart {
  width: 100%;
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
}

/* ── 6. BADGES ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: var(--r-full);
}
.badge-bestseller { background: rgba(245,158,11,0.18); color: #F59E0B; }
.badge-hot        { background: rgba(239,68,68,0.18);  color: #EF4444; }
.badge-new        { background: rgba(14,165,233,0.18); color: #0EA5E9; }
.badge-popular    { background: rgba(16,185,129,0.18); color: #10B981; }
.badge-editors-pick { background: rgba(139,92,246,0.18); color: #8B5CF6; }

/* ── 7. STAR RATINGS ──────────────────────────────────────────────── */
.stars { display: inline-flex; gap: 1px; }
.star { font-size: 0.875rem; line-height: 1; }
.star.filled { color: #F59E0B; }
.star.half   { color: #F59E0B; opacity: 0.6; }
.star.empty  { color: var(--clr-text-subtle); }
.rating-num  { font-size: 0.8125rem; font-weight: 700; color: var(--clr-text-muted); margin-left: var(--sp-1); }
.rating-count { font-size: 0.8125rem; color: var(--clr-text-subtle); margin-left: var(--sp-1); }

/* ── 8. PRODUCT CARDS ─────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: var(--sp-6);
}

.product-card {
  background: var(--grad-card);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--t-normal), transform var(--t-normal);
  display: flex;
  flex-direction: column;
  will-change: transform;
}
.product-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.product-card-img {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.product-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.35) 0%, transparent 60%);
}
.product-card-icon {
  font-size: 3.25rem;
  line-height: 1;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}
.product-card-badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: 2;
}

.product-card-body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-cat-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-2);
  opacity: 0.85;
}
.product-card-title {
  font-size: 1.0rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--clr-text);
  margin-bottom: var(--sp-2);
  flex: 1;
}
.product-card-desc {
  font-size: 0.8125rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--sp-4);
}
.product-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.product-rating { display: flex; align-items: center; gap: var(--sp-1); }
.product-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-text);
}

/* ── 9. HEADER ────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--header-h);
  background: var(--clr-header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--grad-accent);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.logo-text {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav-link {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  border-radius: var(--r-md);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-link:hover, .nav-link.active {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}
.nav-link.active { color: var(--clr-accent); }

.header-actions { display: flex; align-items: center; gap: var(--sp-3); }

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.cart-btn:hover { background: var(--clr-surface-3); border-color: var(--clr-border-md); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  padding-inline: 5px;
  border-radius: var(--r-full);
  background: var(--grad-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 800;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent-soft);
  will-change: transform;
}
.cart-badge.visible { display: flex; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  transition: background var(--t-fast);
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-text);
  border-radius: var(--r-full);
  transition: transform var(--t-normal), opacity var(--t-normal);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hamburger:hover { background: var(--clr-surface-3); }

/* Mobile Nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-4) var(--pad-x);
  gap: var(--sp-1);
  transform-origin: top center;
  will-change: transform, opacity;
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { padding: var(--sp-3) var(--sp-4); font-size: 1rem; border-radius: var(--r-md); }

/* ── 10. FOOTER ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  margin-top: auto;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--sp-12);
  padding-block: var(--sp-16);
}
.footer-brand .logo { margin-bottom: var(--sp-4); }
.footer-tagline {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-4);
  line-height: 1.5;
}
.footer-address, .footer-contact {
  font-size: 0.8125rem;
  color: var(--clr-text-subtle);
  line-height: 1.6;
  margin-bottom: var(--sp-2);
}
.footer-contact a { color: var(--clr-accent); }
.footer-contact a:hover { text-decoration: underline; }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-8); }
.footer-col { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-col h4 { font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--clr-text-subtle); }
.footer-col a, .footer-col p { font-size: 0.875rem; color: var(--clr-text-muted); transition: color var(--t-fast); line-height: 1.5; }
.footer-col a:hover { color: var(--clr-text); }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-5);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8125rem; color: var(--clr-text-subtle); }
.footer-legal-links { display: flex; gap: var(--sp-5); }
.footer-legal-links a { font-size: 0.8125rem; color: var(--clr-text-subtle); transition: color var(--t-fast); }
.footer-legal-links a:hover { color: var(--clr-text); }

/* ── 11. HERO ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--sp-24) + var(--sp-8));
  padding-bottom: var(--sp-24);
  background: var(--grad-hero);
  overflow: hidden;
  text-align: center;
}
.hero-glow-1, .hero-glow-2 {
  position: absolute;
  border-radius: var(--r-full);
  pointer-events: none;
  filter: blur(80px);
}
.hero-glow-1 {
  width: 600px; height: 600px;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(var(--clr-accent-rgb),0.25) 0%, transparent 70%);
}
.hero-glow-2 {
  width: 400px; height: 400px;
  bottom: -100px; right: 10%;
  background: radial-gradient(circle, rgba(var(--clr-accent-2-rgb),0.2) 0%, transparent 70%);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--clr-accent-soft);
  border: 1px solid rgba(var(--clr-accent-rgb),0.25);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-accent);
  margin-bottom: var(--sp-6);
}
.hero-eyebrow-dot {
  width: 8px; height: 8px;
  border-radius: var(--r-full);
  background: var(--clr-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-5);
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--clr-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
  line-height: 1.65;
}
.hero-ctas {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-12);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 1.625rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 0.8125rem; color: var(--clr-text-muted); margin-top: 2px; }

/* ── 12. TRUST STRIP ──────────────────────────────────────────────── */
.trust-strip {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding-block: var(--sp-5);
}
.trust-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-10);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  white-space: nowrap;
}
.trust-item svg { color: var(--clr-accent); flex-shrink: 0; }

/* ── 13. CATEGORY GRID ────────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-4);
}
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-8) var(--sp-6);
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  cursor: pointer;
  text-align: center;
  transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
  text-decoration: none;
  color: inherit;
  will-change: transform;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-border-md);
}
.category-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}
.category-card-name {
  font-size: 0.825rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--clr-text);
}
.category-card-count {
  font-size: 0.75rem;
  color: var(--clr-text-subtle);
}

/* ── 14. WHY E-MRK 4U / FEATURES SECTION ─────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-6);
}
.feature-card {
  padding: var(--sp-8);
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  transition: border-color var(--t-normal), box-shadow var(--t-normal);
  will-change: transform;
}
.feature-card:hover { border-color: var(--clr-border-md); box-shadow: var(--shadow-md); }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-lg);
  background: var(--clr-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  color: var(--clr-accent);
}
.feature-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: var(--sp-2); }
.feature-card p  { font-size: 0.875rem; color: var(--clr-text-muted); line-height: 1.6; }

/* ── 15. NEWSLETTER ───────────────────────────────────────────────── */
.newsletter-section {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding-block: var(--sp-16);
  text-align: center;
}
.newsletter-form {
  display: flex;
  gap: var(--sp-3);
  max-width: 440px;
  margin-inline: auto;
  margin-top: var(--sp-6);
}
.form-input {
  flex: 1;
  padding: var(--sp-3) var(--sp-5);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-text);
  font-size: 0.9375rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-input::placeholder { color: var(--clr-text-subtle); }
.form-input:focus { outline: none; border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(var(--clr-accent-rgb),0.18); }
.form-success { display: none; color: var(--clr-success); font-weight: 600; font-size: 0.9375rem; }
.form-success.visible { display: block; }

/* ── 16. SHOP PAGE ────────────────────────────────────────────────── */
.shop-hero {
  padding: var(--sp-16) 0 var(--sp-10);
  background: var(--grad-hero);
  text-align: center;
}
.shop-hero h1 { font-size: clamp(2rem,5vw,3.5rem); font-weight: 900; letter-spacing: -0.04em; }
.shop-hero p { font-size: 1.0625rem; color: var(--clr-text-muted); margin-top: var(--sp-3); }
.shop-count  { font-size: 0.875rem; color: var(--clr-text-subtle); margin-top: var(--sp-2); }

.shop-controls {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
  padding-block: var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}
.search-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-subtle);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) 2.5rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-text);
  font-size: 0.9rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.search-input::placeholder { color: var(--clr-text-subtle); }
.search-input:focus { outline: none; border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(var(--clr-accent-rgb),0.18); }

.filter-tabs {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  flex: 1;
}
.filter-btn {
  padding: var(--sp-2) var(--sp-4);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  color: var(--clr-text-muted);
  transition: all var(--t-fast);
  cursor: pointer;
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
.filter-btn.active { background: var(--clr-accent); border-color: var(--clr-accent); color: #fff; }

.no-results {
  text-align: center;
  padding: var(--sp-20) 0;
  color: var(--clr-text-muted);
}
.no-results-icon { font-size: 4rem; margin-bottom: var(--sp-4); }
.no-results h3 { font-size: 1.25rem; font-weight: 700; color: var(--clr-text); margin-bottom: var(--sp-2); }

/* ── 17. PRODUCT DETAIL PAGE ──────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: 0.8125rem;
  text-align: center;
  color: var(--clr-text-subtle);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--clr-text-subtle); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--clr-accent); }
.breadcrumb-sep { color: var(--clr-text-subtle); opacity: 0.5; }

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.product-detail-img {
  border-radius: var(--r-2xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
}
.product-detail-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,0.05) 0%, transparent 60%);
}

.product-detail-meta { margin-bottom: var(--sp-4); }
.product-detail-meta .badge { margin-right: var(--sp-2); }
.product-detail-cat-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.product-detail-cat-link:hover { text-decoration: underline; }

.product-detail-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: var(--sp-4) 0;
}
.product-detail-rating { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-5); }
.product-detail-price {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--sp-2);
}
.product-detail-price-note { font-size: 0.8125rem; color: var(--clr-text-subtle); margin-bottom: var(--sp-6); }

.product-detail-desc {
  font-size: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
}

.product-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-7);
}
.product-features-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
}
.feature-check {
  width: 20px; height: 20px;
  background: rgba(16,185,129,0.15);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-success);
  margin-top: 1px;
}

.product-detail-actions { display: flex; gap: var(--sp-3); align-items: center; }
.product-detail-actions .btn-add-cart {
  flex: 1;
  width: auto;
  margin: 0;
  padding: var(--sp-4) var(--sp-6);
}

.product-guarantee {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--r-lg);
  margin-top: var(--sp-5);
}
.product-guarantee p { font-size: 0.875rem; color: var(--clr-text-muted); }
.product-guarantee strong { color: var(--clr-success); }

/* ── 18. CART PAGE ────────────────────────────────────────────────── */
.page-hero {
  padding: var(--sp-12) 0 var(--sp-10);
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-surface);
}
.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 900; letter-spacing: -0.04em; }
.page-hero p { font-size: 1rem; color: var(--clr-text-muted); margin-top: var(--sp-2); }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--sp-8);
  align-items: start;
}

.cart-item {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: var(--sp-4);
  align-items: center;
  padding: var(--sp-5);
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  margin-bottom: var(--sp-4);
  transition: border-color var(--t-fast);
}
.cart-item:hover { border-color: var(--clr-border-md); }
.cart-item-img {
  width: 70px; height: 70px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}
.cart-item-info h3 { font-size: 0.9375rem; font-weight: 700; line-height: 1.3; margin-bottom: var(--sp-1); }
.cart-item-cat  { font-size: 0.75rem; color: var(--clr-text-subtle); margin-bottom: var(--sp-3); }
.cart-item-actions { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.qty-btn {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  cursor: pointer;
  background: none;
  border: none;
  transition: background var(--t-fast), color var(--t-fast);
}
.qty-btn:hover { background: var(--clr-surface-3); color: var(--clr-text); }
.qty-num {
  width: 36px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--clr-text);
  border: none;
  border-inline: 1px solid var(--clr-border);
  background: transparent;
  padding: 0;
  appearance: textfield;
  -moz-appearance: textfield;
}
.qty-num::-webkit-outer-spin-button,
.qty-num::-webkit-inner-spin-button { -webkit-appearance: none; }
.qty-num:focus { outline: none; }
.remove-btn {
  font-size: 0.8125rem;
  color: var(--clr-danger);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--t-fast);
}
.remove-btn:hover { opacity: 1; }

.cart-item-price { font-size: 1.125rem; font-weight: 800; white-space: nowrap; }

.order-summary-box {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  position: sticky;
  top: calc(var(--header-h) + var(--sp-6));
}
.order-summary-box h3 { font-size: 1.125rem; font-weight: 800; margin-bottom: var(--sp-6); }
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--sp-3);
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}
.summary-row + .summary-row { border-top: 1px solid var(--clr-border); }
.summary-row.total {
  color: var(--clr-text);
  font-weight: 800;
  font-size: 1.125rem;
}
.summary-divider { border: none; border-top: 2px solid var(--clr-border-md); margin-block: var(--sp-3); }

.cart-empty {
  text-align: center;
  padding: var(--sp-24) 0;
}
.cart-empty-icon { font-size: 5rem; margin-bottom: var(--sp-5); opacity: 0.4; }
.cart-empty h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: var(--sp-3); }
.cart-empty p  { color: var(--clr-text-muted); margin-bottom: var(--sp-6); }

/* ── 19. CHECKOUT PAGE ────────────────────────────────────────────── */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--sp-10);
  align-items: start;
}
.checkout-form-box {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-8);
}
.checkout-form-box h2 { font-size: 1.375rem; font-weight: 800; margin-bottom: var(--sp-6); }

.form-group { margin-bottom: var(--sp-5); }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--clr-text-muted); margin-bottom: var(--sp-2); }
.form-control {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-text);
  font-size: 0.9375rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-control:focus { outline: none; border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(var(--clr-accent-rgb),0.18); }
.form-control::placeholder { color: var(--clr-text-subtle); }
.form-control.error { border-color: var(--clr-danger); }
.form-error { display: none; font-size: 0.8125rem; color: var(--clr-danger); margin-top: var(--sp-1); }
.form-error.visible { display: block; }

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888AA' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 2.5rem;
}
select.form-control option { background: var(--clr-surface-2); color: var(--clr-text); }

.checkout-summary-box {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-6);
  position: sticky;
  top: calc(var(--header-h) + var(--sp-6));
}
.checkout-summary-box h3 { font-size: 1.125rem; font-weight: 800; margin-bottom: var(--sp-6); }
.checkout-item {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  padding-block: var(--sp-3);
  border-bottom: 1px solid var(--clr-border);
}
.checkout-item-thumb {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.checkout-item-info { flex: 1; min-width: 0; }
.checkout-item-info h4 { font-size: 0.8125rem; font-weight: 700; line-height: 1.3; }
.checkout-item-info p  { font-size: 0.75rem; color: var(--clr-text-subtle); }
.checkout-item-price { font-size: 0.9rem; font-weight: 800; white-space: nowrap; }

/* ── 20. CONFIRMATION PAGE ────────────────────────────────────────── */
.confirmation-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100dvh - var(--header-h) - 200px);
  padding: var(--sp-16) 0;
}
.confirmation-card {
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-2xl);
  padding: var(--sp-12) var(--sp-10);
  text-align: center;
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.confirmation-icon {
  width: 72px; height: 72px;
  background: rgba(16,185,129,0.15);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--sp-6);
  color: var(--clr-success);
  animation: scale-in 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}
.confirmation-card h1 { font-size: 1.625rem; font-weight: 900; letter-spacing: -0.03em; margin-bottom: var(--sp-4); }
.confirmation-card p  { font-size: 1rem; color: var(--clr-text-muted); line-height: 1.65; margin-bottom: var(--sp-4); }
.confirmation-detail {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  margin-block: var(--sp-6);
  text-align: left;
}
.confirmation-detail-row { display: flex; justify-content: space-between; font-size: 0.875rem; padding-block: var(--sp-2); }
.confirmation-detail-row:not(:last-child) { border-bottom: 1px solid var(--clr-border); }
.confirmation-detail-row span:first-child { color: var(--clr-text-muted); }
.confirmation-detail-row span:last-child  { font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-glow-1,
  .hero-glow-2,
  .confirmation-icon,
  .fade-up {
    animation: none !important;
    transform: none !important;
  }
}

/* ── 21. POLICY PAGES ─────────────────────────────────────────────── */
.policy-hero {
  padding: var(--sp-16) 0 var(--sp-10);
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  text-align: center;
}
.policy-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; letter-spacing: -0.04em; }
.policy-hero p  { font-size: 1rem; color: var(--clr-text-subtle); margin-top: var(--sp-2); }

.policy-content {
  max-width: 780px;
  margin-inline: auto;
  padding: var(--sp-16) var(--pad-x);
}
.policy-content h2 {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-4);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
}
.policy-content h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.policy-content p, .policy-content li {
  font-size: 0.9375rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}
.policy-content ul { padding-left: var(--sp-6); }
.policy-content ul li { list-style: disc; margin-bottom: var(--sp-2); }
.policy-content a { color: var(--clr-accent); }
.policy-content a:hover { text-decoration: underline; }
.policy-content strong { color: var(--clr-text); }

/* ── 22. RELATED PRODUCTS ─────────────────────────────────────────── */
.related-section { padding-block: var(--sp-20); border-top: 1px solid var(--clr-border); }

/* ── 23. MISC UTILITIES ───────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--clr-border); margin-block: var(--sp-6); }
.text-muted { color: var(--clr-text-muted); }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mt-12{ margin-top: var(--sp-12); }

/* ── 24. ANIMATIONS ───────────────────────────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}
@keyframes scale-in {
  0%   { opacity: 0; transform: scale(0.5); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes fade-up {
  0%   { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fade-up 0.5s ease both; }

/* ── 25. RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .category-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .nav-desktop  { display: none; }
  .hamburger    { display: flex; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary-box { position: static; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-stats { gap: var(--sp-6); }
  .order-summary-box { position: static; }
}
@media (max-width: 640px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid  { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .product-card-img { height: 140px; }
  .product-card-icon { font-size: 2.5rem; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .newsletter-form { flex-direction: column; }
  .cart-item { grid-template-columns: 60px 1fr; }
  .cart-item-price { grid-column: 2; }
  .shop-controls { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: 100%; }
  .trust-strip-inner { gap: var(--sp-5); }
  .confirmation-card { padding: var(--sp-8) var(--sp-6); }
  .checkout-form-box { padding: var(--sp-6) var(--sp-5); }
  .product-detail-actions { flex-direction: column; }
}
@media (max-width: 400px) {
  .product-grid { grid-template-columns: 1fr; }
}