/* ============================================================
   store.css — Scark Design Digital Products Store
   Merged from store-styles.css + store component styles.
   One file. No duplicates. All CSS variables preserved.
   ============================================================ */

/* ── 1. CSS VARIABLES ─────────────────────────────────────── */
:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Common patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB for opacity math */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "Poppins", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-size-5xl: 38px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-28: 28px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.02);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.04), 0 2px 4px -1px rgba(0,0,0,0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -2px rgba(0,0,0,0.02);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.08);
  --shadow-inset-sm: inset 0 1px 0 rgba(255,255,255,0.15), inset 0 -1px 0 rgba(0,0,0,0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1280px;
  --header-height: 72px;
  --cart-sidebar-width: 400px;
  --modal-max-width: 860px;
}

/* ── Dark Mode ────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.8);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --color-success-rgb: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
    --shadow-inset-sm: inset 0 1px 0 rgba(255,255,255,0.1), inset 0 -1px 0 rgba(0,0,0,0.15);
  }
}

[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.8);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.2);
}

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

html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body { margin: 0; padding: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p { margin: 0 0 var(--space-16) 0; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}
a:hover { color: var(--color-primary-hover); }

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* ── 3. LAYOUT ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.section {
  padding: var(--space-80) 0;
}

.section--alt {
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-48);
}
.section-header h2 { margin-bottom: var(--space-12); }
.section-header p { color: var(--color-text-secondary); font-size: var(--font-size-lg); margin: 0; }

/* ── 4. BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-20);
  border-radius: var(--radius-base);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  border: 1.5px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-btn-primary-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(33,128,141,0.25);
}
.btn--primary:active { background: var(--color-primary-active); transform: none; }

.btn--outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--outline:hover { background: var(--color-secondary); color: var(--color-text); }

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text);
  border-color: transparent;
}
.btn--secondary:hover { background: var(--color-secondary-hover); }

.btn--sm {
  padding: var(--space-6) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}
.btn--lg {
  padding: var(--space-12) var(--space-24);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}
.btn--full { width: 100%; }

/* ── 5. FORM ELEMENTS ─────────────────────────────────────── */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}
.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: var(--focus-ring);
}

select.form-control {
  -webkit-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
  cursor: pointer;
}
@media (prefers-color-scheme: dark) {
  select.form-control { background-image: var(--select-caret-dark); }
}
[data-color-scheme="dark"] select.form-control { background-image: var(--select-caret-dark); }

.form-label {
  display: block;
  margin-bottom: var(--space-6);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}
.form-group { margin-bottom: var(--space-16); }

/* ── 6. SITE HEADER ───────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  backdrop-filter: blur(8px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-24);
}

/* Logo */
.logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  cursor: pointer;
}
.logo span { color: var(--color-primary); }

/* Nav */
.nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-32);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav ul li a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
  position: relative;
}
.nav ul li a:hover,
.nav ul li a.active { color: var(--color-primary); }
.nav ul li a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

/* Header actions: search + cart */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  flex-shrink: 0;
}

/* Search */
.search-container {
  position: relative;
}
.search-input {
  width: 240px;
  padding: var(--space-8) var(--space-12) var(--space-8) var(--space-32);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background-color: var(--color-secondary);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--color-text);
  transition: all var(--duration-fast) var(--ease-standard);
}
.search-input::placeholder { color: var(--color-text-secondary); }
.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: var(--focus-ring);
  width: 280px;
}
.search-icon {
  position: absolute;
  left: var(--space-10);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  pointer-events: none;
}

/* Cart icon */
.cart-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-base);
  background: var(--color-secondary);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard);
  font-size: var(--font-size-lg);
}
.cart-icon:hover { background: var(--color-secondary-hover); }

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
}

/* Mobile toggle */
.mobile-menu {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: var(--space-8);
}

/* ── 7. HERO ──────────────────────────────────────────────── */
.hero {
  padding: var(--space-80) 0;
  background: linear-gradient(160deg, var(--color-background) 55%, rgba(33,128,141,0.07) 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-16);
  line-height: 1.15;
}
.hero-text p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-32);
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-20);
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  box-shadow: var(--shadow-md);
}
.stat-item { text-align: center; }
.stat-item h3 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.stat-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ── 8. FEATURED SECTION ──────────────────────────────────── */
.featured { background: var(--color-surface); }

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-24);
}

/* ── 9. FILTERS BAR ───────────────────────────────────────── */
.filters-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  flex-wrap: wrap;
  margin-bottom: var(--space-32);
  padding: var(--space-16) var(--space-20);
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
}

.category-filters {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-6) var(--space-16);
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-family-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
}
.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(33,128,141,0.06);
}
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-btn-primary-text);
}

.sort-container {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-shrink: 0;
}
.sort-container label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}
#sort-select {
  padding: var(--space-6) var(--space-32) var(--space-6) var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background-color: var(--color-surface);
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-10) center;
  background-size: 14px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--color-text);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
@media (prefers-color-scheme: dark) { #sort-select { background-image: var(--select-caret-dark); } }
[data-color-scheme="dark"] #sort-select { background-image: var(--select-caret-dark); }

/* ── 10. PRODUCT GRID ─────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-24);
}

/* ── 11. PRODUCT CARD ─────────────────────────────────────── */
.product-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}
/* Category color tints */
.product-image.cat-web       { background: linear-gradient(135deg, rgba(33,128,141,0.12), rgba(33,128,141,0.05)); color: var(--color-primary); }
.product-image.cat-design    { background: linear-gradient(135deg, rgba(94,82,64,0.12), rgba(33,128,141,0.08)); color: rgba(94,82,64,0.75); }
.product-image.cat-ebook     { background: linear-gradient(135deg, rgba(168,75,47,0.10), rgba(33,128,141,0.07)); color: var(--color-warning); }
.product-image.cat-course    { background: linear-gradient(135deg, rgba(19,52,59,0.10), rgba(33,128,141,0.10)); color: var(--color-text); }
.product-image.cat-tools     { background: linear-gradient(135deg, rgba(33,128,141,0.08), rgba(168,75,47,0.08)); color: var(--color-primary); }
.product-image.cat-seo       { background: linear-gradient(135deg, rgba(33,128,141,0.14), rgba(33,128,141,0.06)); color: var(--color-primary); }
.product-image.cat-startup   { background: linear-gradient(135deg, rgba(168,75,47,0.12), rgba(168,75,47,0.05)); color: var(--color-warning); }

.product-badges {
  position: absolute;
  top: var(--space-12);
  left: var(--space-12);
  display: flex;
  gap: var(--space-6);
}
.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-8);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}
.badge.bestseller { background: rgba(168,75,47,0.12); color: var(--color-warning); }
.badge.featured   { background: rgba(33,128,141,0.12); color: var(--color-primary); }
.badge.new        { background: rgba(33,128,141,0.12); color: var(--color-primary); }
.badge.popular    { background: rgba(168,75,47,0.12); color: var(--color-warning); }

.product-content {
  padding: var(--space-20);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.product-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: 1.3;
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-12);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}
.stars { color: var(--color-warning); font-size: var(--font-size-sm); }
.star  { margin-right: 1px; }
.rating-text { font-size: var(--font-size-xs); color: var(--color-text-secondary); }

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  margin-top: auto;
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-card-border);
}

.product-price { display: flex; align-items: baseline; gap: var(--space-8); }
.price-current {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}
.price-original {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: line-through;
}

.add-to-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-8) var(--space-16);
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
  flex-shrink: 0;
}
.add-to-cart-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

/* ── 12. CATEGORIES SECTION ───────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-20);
}

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24) var(--space-20);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
}
.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}
.category-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(33,128,141,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin: 0 auto var(--space-16);
  transition: background var(--duration-fast) var(--ease-standard);
}
.category-card:hover .category-icon { background: rgba(33,128,141,0.18); }
.category-card h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}
.category-card p { font-size: var(--font-size-xs); color: var(--color-text-secondary); margin: 0; }

/* ── 13. CTA SECTION ──────────────────────────────────────── */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-active) 100%);
  text-align: center;
}
.cta-content h2 { color: white; margin-bottom: var(--space-16); }
.cta-content p { color: rgba(255,255,255,0.85); font-size: var(--font-size-lg); margin-bottom: var(--space-32); }
.cta-buttons { display: flex; gap: var(--space-12); justify-content: center; flex-wrap: wrap; }
.cta .btn--primary {
  background: white;
  color: var(--color-primary);
  border-color: white;
}
.cta .btn--primary:hover { background: rgba(255,255,255,0.9); }
.cta .btn--outline {
  border-color: rgba(255,255,255,0.5);
  color: white;
}
.cta .btn--outline:hover { background: rgba(255,255,255,0.12); color: white; }

/* ── 14. FOOTER ───────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-64) 0 var(--space-32);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-40);
  margin-bottom: var(--space-40);
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-12);
  display: inline-block;
}
.footer-logo span { color: var(--color-primary); }

.footer-section p { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }

.social-links { display: flex; gap: var(--space-10); margin-top: var(--space-20); }
.social-links a {
  width: 36px;
  height: 36px;
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  transition: all var(--duration-fast) var(--ease-standard);
}
.social-links a:hover { background: var(--color-primary); color: white; }

.footer-links h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-16);
}
.footer-links ul li { margin-bottom: var(--space-10); }
.footer-links ul li a { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.footer-links ul li a:hover { color: var(--color-primary); }

.footer-newsletter h3 { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); margin-bottom: var(--space-12); }
.footer-newsletter p { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-bottom: var(--space-16); }
.newsletter-form { display: flex; gap: var(--space-8); }
.newsletter-form .form-control { flex: 1; font-size: var(--font-size-sm); }

.footer-bottom {
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}
.footer-bottom p { margin: 0; }
.footer-bottom-links { display: flex; gap: var(--space-20); }
.footer-bottom-links a { color: var(--color-text-secondary); font-size: var(--font-size-sm); }
.footer-bottom-links a:hover { color: var(--color-primary); }

/* ── 15. CART SIDEBAR ─────────────────────────────────────── */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--cart-sidebar-width);
  height: 100vh;
  background-color: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 300;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-standard);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}
.cart-sidebar.active { transform: translateX(0); }

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-20) var(--space-24);
  border-bottom: 1px solid var(--color-border);
}
.cart-header h3 { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin: 0; }
#close-cart {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: var(--space-4);
  transition: color var(--duration-fast) var(--ease-standard);
}
#close-cart:hover { color: var(--color-text); }

#cart-items { flex: 1; overflow-y: auto; padding: var(--space-16) var(--space-24); }

.cart-footer {
  padding: var(--space-20) var(--space-24);
  border-top: 1px solid var(--color-border);
}
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-16);
  font-size: var(--font-size-lg);
}
.cart-total strong { color: var(--color-primary); }
.cart-actions { display: flex; flex-direction: column; gap: var(--space-8); }

/* Cart overlay */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 250;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-standard),
              visibility var(--duration-normal) var(--ease-standard);
}
.cart-overlay.active { opacity: 1; visibility: visible; }

/* ── 16. PRODUCT MODAL ────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-standard),
              visibility var(--duration-normal) var(--ease-standard);
  padding: var(--space-16);
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: var(--modal-max-width);
  max-height: 92vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(16px);
  opacity: 0;
  transition: transform var(--duration-normal) var(--ease-standard),
              opacity var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-xl);
}
.modal-overlay.open .modal { transform: translateY(0); opacity: 1; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-20) var(--space-24);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.modal-header h3 { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); margin: 0; }
.close-modal {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: var(--space-4);
  transition: color var(--duration-fast) var(--ease-standard);
}
.close-modal:hover { color: var(--color-text); }

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-32);
  padding: var(--space-32);
  overflow-y: auto;
  flex: 1;
}

.modal-product-image {
  height: 280px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

.modal-product-details { display: flex; flex-direction: column; gap: var(--space-16); }
.modal-category { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: 0.07em; color: var(--color-primary); }
.modal-title { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); line-height: 1.2; }
.modal-price { display: flex; align-items: baseline; gap: var(--space-12); }
.modal-price-current { font-size: 2.2rem; font-weight: var(--font-weight-bold); color: var(--color-primary); }
.modal-price-original { font-size: var(--font-size-xl); color: var(--color-text-secondary); text-decoration: line-through; }
.modal-description { font-size: var(--font-size-base); color: var(--color-text-secondary); line-height: 1.7; }

.modal-features h4 { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); margin-bottom: var(--space-10); }
.modal-features ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-6); }
.modal-features ul li {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.modal-features ul li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  margin-top: auto;
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-card-border);
}
.modal-view-page {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.modal-view-page a {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}
.modal-view-page a:hover { text-decoration: underline; }

/* ── 17. CHECKOUT MODAL ───────────────────────────────────── */
.modal--checkout .modal-body {
  display: block;
  grid-template-columns: unset;
}

.checkout-steps {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-24);
}
.step {
  padding: var(--space-12) var(--space-20);
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  position: relative;
  cursor: default;
}
.step.active { color: var(--color-text); font-weight: var(--font-weight-semibold); }
.step.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}
.step-number {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}
.step.active .step-number { background: var(--color-primary); color: white; }

.checkout-step { display: none; }
.checkout-step.active { display: block; }

.order-summary {
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-bottom: var(--space-20);
}
.order-summary h4 { font-size: var(--font-size-base); margin-bottom: var(--space-12); }
.order-total {
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.payment-methods { display: flex; flex-direction: column; gap: var(--space-10); margin: var(--space-16) 0; }
.payment-option {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-standard);
}
.payment-option:hover { border-color: var(--color-primary); }
.payment-option label { display: flex; align-items: center; gap: var(--space-10); cursor: pointer; font-size: var(--font-size-base); }
.payment-option label i { font-size: var(--font-size-xl); color: var(--color-primary); }

.checkout-actions { display: flex; gap: var(--space-12); justify-content: flex-end; margin-top: var(--space-24); }

.order-confirmation { text-align: center; padding: var(--space-16) 0; }
.confirmation-icon { font-size: 4rem; color: var(--color-success); margin-bottom: var(--space-16); }
.order-confirmation h3 { font-size: var(--font-size-3xl); margin-bottom: var(--space-12); }
.order-confirmation p { color: var(--color-text-secondary); margin-bottom: var(--space-24); }
.order-details { text-align: left; background: var(--color-secondary); border-radius: var(--radius-base); padding: var(--space-16); margin-bottom: var(--space-20); }
.order-details p { font-size: var(--font-size-sm); margin-bottom: var(--space-8); }
.order-details p:last-child { margin-bottom: 0; }
.download-section { text-align: left; margin-bottom: var(--space-24); }
.download-section h4 { font-size: var(--font-size-base); margin-bottom: var(--space-12); }

/* ── 18. NOTIFICATIONS ────────────────────────────────────── */
.notification-toast {
  position: fixed;
  top: var(--space-20);
  right: var(--space-20);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-10);
  padding: var(--space-12) var(--space-20);
  background: var(--color-text);
  color: var(--color-background);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  transition: transform var(--duration-normal) var(--ease-standard);
  max-width: 320px;
}
.notification-toast.show { transform: translateX(0); }
.notification-toast i { color: var(--color-primary); font-size: var(--font-size-base); flex-shrink: 0; }

/* ── 19. LOADING SPINNER ──────────────────────────────────── */
.loading-spinner {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 20. NO PRODUCTS STATE ────────────────────────────────── */
.no-products {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-64);
  color: var(--color-text-secondary);
}
.no-products i { font-size: 3rem; opacity: 0.4; margin-bottom: var(--space-16); display: block; }

/* ── 21. ANIMATIONS ───────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ── 22. ACCESSIBILITY ────────────────────────────────────── */
.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;
}

/* ── 23. RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --font-size-5xl: 32px; }
  .hero-content { grid-template-columns: 1fr; gap: var(--space-40); }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-32); }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 28px;
    --font-size-4xl: 24px;
    --cart-sidebar-width: 100%;
  }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-16) var(--space-24);
    z-index: 150;
  }
  .nav.active { display: block; }
  .nav ul { flex-direction: column; gap: var(--space-16); }
  .search-container { display: none; }
  .mobile-menu { display: block; }
  .filters-container { flex-direction: column; align-items: flex-start; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-product-image { height: 200px; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-12); text-align: center; }
  .newsletter-form { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-16); }
  .products-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: var(--space-16); }
  .categories-grid { grid-template-columns: 1fr; }
  .footer-bottom-links { flex-direction: column; gap: var(--space-8); }
  .section { padding: var(--space-48) 0; }
}

/* ── HERO (centred layout, stats moved out) ───────────────── */
.hero-text--centered {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.hero-text--centered p {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-32);
}
.hero-text--centered .hero-buttons {
  justify-content: center;
}

/* ── STATS STRIP ──────────────────────────────────────────── */
.stats-strip {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stats-strip-inner {
  display: flex;
  align-items: stretch;
}
.stats-strip-inner .stat-item {
  flex: 1;
  text-align: center;
  padding: var(--space-24) var(--space-16);
  border-right: 1px solid var(--color-border);
}
.stats-strip-inner .stat-item:last-child {
  border-right: none;
}
.stats-strip-inner .stat-item h3 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.stats-strip-inner .stat-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

@media (max-width: 768px) {
  .stats-strip-inner { flex-wrap: wrap; }
  .stats-strip-inner .stat-item {
    flex: 1 1 50%;
    border-bottom: 1px solid var(--color-border);
  }
  .stats-strip-inner .stat-item:nth-child(even) { border-right: none; }
  .stats-strip-inner .stat-item:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 480px) {
  .stats-strip-inner .stat-item { flex: 1 1 100%; border-right: none; }
  .stats-strip-inner .stat-item:last-child { border-bottom: none; }
}

/* ── New category image tints ──────────────────────────────── */
.product-image.cat-pricing  { background: linear-gradient(135deg, rgba(33,128,141,0.10), rgba(19,52,59,0.08)); color: var(--color-primary); }
.product-image.cat-marketing { background: linear-gradient(135deg, rgba(94,82,64,0.12), rgba(33,128,141,0.08)); color: rgba(94,82,64,0.8); }
.product-image.cat-systems  { background: linear-gradient(135deg, rgba(19,52,59,0.12), rgba(33,128,141,0.12)); color: var(--color-text); }
.product-image.cat-bundles  { background: linear-gradient(135deg, rgba(168,75,47,0.10), rgba(168,75,47,0.05)); color: var(--color-warning); }

/* ── Coming soon filter button ─────────────────────────────── */
.filter-btn--coming-soon {
  opacity: 0.45;
  cursor: not-allowed;
  border-style: dashed;
}
.filter-btn--coming-soon:hover {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
  transform: none;
}

/* ── Coming soon tag (inside button or card heading) ───────── */
.coming-soon-tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: var(--color-secondary);
  color: var(--color-text-secondary);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  margin-left: var(--space-6);
  vertical-align: middle;
}

/* ── Coming soon category card ─────────────────────────────── */
.category-card--coming-soon {
  opacity: 0.5;
  cursor: not-allowed;
}
.category-card--coming-soon:hover {
  box-shadow: none;
  transform: none;
  border-color: var(--color-card-border);
}

/* ── Wider categories grid for more cards ──────────────────── */
.categories-grid--wide {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 1024px) {
  .categories-grid--wide { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .categories-grid--wide { grid-template-columns: 1fr; }
}