/* ==========================================================================
   Space NK Italia - Main Stylesheet
   Design System: Premium Italian Beauty E-commerce
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Colors */
  --color-primary: #0A0A0A;
  --color-secondary: #FFFFFF;
  --color-tertiary: #F7F5F3;
  --color-accent: #C4A882;
  --color-accent-dark: #A88B65;
  --color-accent-light: #DDD0BC;

  /* Text Colors */
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-muted: #9E9E9E;
  --color-text-inverse: #FFFFFF;

  /* Border */
  --color-border: #E8E4E0;
  --color-border-dark: #C8C4C0;
  --color-border-light: #F0EDE9;

  /* Status Colors */
  --color-error: #A3403B;
  --color-error-light: #F9ECEC;
  --color-success: #4A7C59;
  --color-success-light: #EBF3EE;
  --color-warning: #B07D2B;
  --color-warning-light: #FDF5E6;
  --color-info: #2B5C8A;
  --color-info-light: #E8F0F7;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', Georgia, serif;

  /* Font Sizes */
  --text-xs: 0.6875rem;    /* 11px */
  --text-sm: 0.75rem;      /* 12px */
  --text-base: 0.875rem;   /* 14px */
  --text-md: 1rem;         /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;
  --leading-loose: 1.8;

  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.15em;

  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Layout */
  --container-max: 1280px;
  --container-padding: 1rem;
  --nav-height: 72px;
  --announcement-height: 40px;

  /* Section Padding */
  --section-py: 2rem;       /* 32px - mobile */
  --section-py-md: 3rem;    /* 48px - tablet */
  --section-py-lg: 5rem;    /* 80px - desktop */

  /* Grid */
  --grid-cols-mobile: 2;
  --grid-cols-tablet: 3;
  --grid-cols-desktop: 4;
  --grid-gap: 1rem;
  --grid-gap-md: 1.5rem;
  --grid-gap-lg: 2rem;

  /* Border Radius */
  --radius-sm: 2px;
  --radius: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.08), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-cubic: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index */
  --z-base: 0;
  --z-raised: 10;
  --z-sticky: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
  --z-tooltip: 500;
}

/* ==========================================================================
   2. CSS Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

p {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ==========================================================================
   3. Accessibility
   ========================================================================== */

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  z-index: calc(var(--z-tooltip) + 1);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   4. Typography System
   ========================================================================== */

.heading-display {
  font-size: var(--text-5xl);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.heading-1 {
  font-size: var(--text-4xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
}

.heading-2 {
  font-size: var(--text-3xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.heading-3 {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.heading-4 {
  font-size: var(--text-xl);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
}

.heading-5 {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
}

.heading-6 {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  line-height: var(--leading-normal);
}

.body-large {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

.body-base {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.body-small {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.caption {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

.label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.overline {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
}

.text-brand {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   5. Layout Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1440px;
}

.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols-mobile), 1fr);
  gap: var(--grid-gap);
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Divider */
.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-6) 0;
}

/* Aspect Ratios */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-portrait { aspect-ratio: 3 / 4; }
.aspect-landscape { aspect-ratio: 4 / 3; }
.aspect-wide { aspect-ratio: 16 / 9; }

/* ==========================================================================
   6. Button Styles
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: #2A2A2A;
  border-color: #2A2A2A;
}

.btn-primary:active {
  background-color: #404040;
}

/* Secondary / Outline Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background-color: var(--color-tertiary);
  border-color: var(--color-border-dark);
  color: var(--color-text-primary);
}

/* White Button (for dark backgrounds) */
.btn-white {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

.btn-white:hover {
  background-color: var(--color-tertiary);
}

/* Text Link Button */
.btn-text {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-text:hover {
  color: var(--color-accent);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-sm);
}

.btn-full {
  width: 100%;
}

/* Icon Button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background-color: transparent;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-tertiary);
  border-color: var(--color-border-dark);
}

/* ==========================================================================
   7. Announcement Bar
   ========================================================================== */

.announcement-bar {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.announcement-bar__track {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.announcement-bar__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  text-align: center;
  padding: 0 var(--space-8);
  opacity: 0;
  transition: opacity 0.6s ease;
}

.announcement-bar__slide.is-active {
  opacity: 1;
}

.announcement-bar__slide a {
  color: var(--color-accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ==========================================================================
   8. Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: var(--space-4);
}

/* Logo */
.nav__logo {
  flex-shrink: 0;
  text-decoration: none;
}

.nav__logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-primary);
  line-height: 1;
}

/* Main Navigation */
.nav__menu {
  display: none;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__item {
  position: relative;
}

.nav__link {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-2) 0;
  display: block;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: center;
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__link:hover {
  color: var(--color-text-primary);
}

.nav__link.is-active {
  color: var(--color-text-primary);
}

/* Nav Actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__action-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: background-color var(--transition-fast);
  position: relative;
  border: none;
  background: none;
  cursor: pointer;
}

.nav__action-btn:hover {
  background-color: var(--color-tertiary);
}

/* Cart Badge */
.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius);
  transition: background-color var(--transition-fast);
}

.hamburger:hover {
  background-color: var(--color-tertiary);
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Feather Icon Sizes */
.icon-xs { width: 14px; height: 14px; }
.icon-sm { width: 16px; height: 16px; }
.icon { width: 20px; height: 20px; }
.icon-md { width: 22px; height: 22px; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 32px; height: 32px; }

/* ==========================================================================
   9. Mobile Menu Overlay
   ========================================================================== */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  visibility: hidden;
  pointer-events: none;
}

.mobile-menu.is-open {
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.mobile-menu.is-open .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--color-secondary);
  transform: translateX(-100%);
  transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

.mobile-menu__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  border-radius: var(--radius);
  transition: background-color var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
}

.mobile-menu__close:hover {
  background-color: var(--color-tertiary);
}

.mobile-menu__body {
  flex: 1;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-md);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--color-accent);
}

.mobile-menu__footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-menu__sub-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.mobile-menu__sub-link:hover {
  color: var(--color-text-primary);
}

/* ==========================================================================
   10. Breadcrumb
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-4) 0;
}

.breadcrumb__item {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__item:not(:last-child):hover {
  color: var(--color-text-secondary);
}

.breadcrumb__item:last-child {
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
}

.breadcrumb__separator {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  user-select: none;
}

/* ==========================================================================
   11. Hero Section
   ========================================================================== */

.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-tertiary);
}

.hero--full {
  min-height: 80vh;
}

.hero--dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-16) 0;
  max-width: 600px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero__content.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero--dark .hero__content,
.hero__overlay ~ .hero__content {
  color: var(--color-text-inverse);
}

.hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-6);
}

.hero__description {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  opacity: 0.9;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Hero Split Layout */
.hero-split {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 60vh;
}

.hero-split__media {
  min-height: 300px;
  background-color: var(--color-tertiary);
  overflow: hidden;
}

.hero-split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-split__content {
  padding: var(--space-12) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ==========================================================================
   12. Product Card
   ========================================================================== */

.product-card {
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--color-secondary);
}

.product-card__media {
  position: relative;
  overflow: hidden;
  background-color: var(--color-tertiary);
  aspect-ratio: 3 / 4;
  flex-shrink: 0;
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card__image {
  transform: scale(1.04);
}

.product-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  z-index: 2;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1.6;
}

.badge--new {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge--bestseller {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.badge--sale {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.badge--out-of-stock {
  background-color: var(--color-text-muted);
  color: var(--color-text-inverse);
}

.product-card__quick-actions {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transform: translateX(calc(100% + var(--space-3)));
  transition: transform var(--transition);
  z-index: 2;
}

.product-card:hover .product-card__quick-actions {
  transform: translateX(0);
}

.product-card__quick-btn {
  width: 36px;
  height: 36px;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.product-card__quick-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.product-card__info {
  padding: var(--space-4) 0 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__brand {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.product-card__name {
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__size {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.product-card__price {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-top: auto;
}

.product-card__price-old {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-right: var(--space-2);
}

.product-card__add-btn {
  display: block;
  width: 100%;
  margin-top: var(--space-3);
  padding: 0.625rem;
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(4px);
}

.product-card:hover .product-card__add-btn {
  opacity: 1;
  transform: translateY(0);
}

.product-card__add-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Add to Cart Confirmation */
.product-card__add-btn.is-added {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text-inverse);
}

/* ==========================================================================
   13. Catalog / Shop Page
   ========================================================================== */

.catalog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.filter-bar.is-sticky {
  position: sticky;
  top: var(--nav-height);
  background-color: var(--color-secondary);
  z-index: var(--z-raised);
  border-top: none;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* Filter Dropdown */
.filter-dropdown {
  position: relative;
}

.filter-dropdown__btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  background-color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-dropdown__btn:hover,
.filter-dropdown__btn.is-open {
  border-color: var(--color-primary);
}

.filter-dropdown__btn .chevron {
  transition: transform var(--transition-fast);
}

.filter-dropdown__btn.is-open .chevron {
  transform: rotate(180deg);
}

.filter-dropdown__menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: var(--z-overlay);
  display: none;
  flex-direction: column;
  padding: var(--space-2) 0;
}

.filter-dropdown__menu.is-open {
  display: flex;
}

.filter-dropdown__option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.filter-dropdown__option:hover {
  background-color: var(--color-tertiary);
}

.filter-dropdown__option.is-selected {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

/* Active Filter Tags */
.active-filters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-3) 0;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.filter-tag:hover {
  background-color: #333;
}

.filter-tag__remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  font-size: 12px;
  line-height: 1;
}

.filter-clear-all {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.filter-clear-all:hover {
  color: var(--color-text-primary);
}

/* Sort Dropdown */
.sort-dropdown {
  position: relative;
}

.sort-dropdown__btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  background-color: var(--color-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-dropdown__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-text-primary);
}

.sort-dropdown__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  z-index: var(--z-overlay);
  display: none;
  flex-direction: column;
  padding: var(--space-2) 0;
}

.sort-dropdown__menu.is-open {
  display: flex;
}

.sort-dropdown__option {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.sort-dropdown__option:hover {
  background-color: var(--color-tertiary);
}

.sort-dropdown__option.is-selected {
  font-weight: var(--font-medium);
  color: var(--color-primary);
}

/* Results count */
.catalog-results-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--tracking-wide);
}

/* ==========================================================================
   14. Product Detail Page
   ========================================================================== */

.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Product Gallery */
.product-gallery {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.product-gallery__main {
  position: relative;
  overflow: hidden;
  background-color: var(--color-tertiary);
  aspect-ratio: 3 / 4;
}

.product-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.product-gallery__main-img.is-transitioning {
  opacity: 0;
}

.product-gallery__thumbs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.product-gallery__thumbs::-webkit-scrollbar {
  display: none;
}

.product-gallery__thumb {
  width: 72px;
  height: 96px;
  flex-shrink: 0;
  overflow: hidden;
  background-color: var(--color-tertiary);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.product-gallery__thumb.is-active {
  border-color: var(--color-primary);
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.product-gallery__thumb:hover img {
  transform: scale(1.05);
}

/* Product Info */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-info__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.product-info__brand {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.product-info__brand a:hover {
  color: var(--color-accent);
}

.product-info__name {
  font-size: var(--text-2xl);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
}

.product-info__short-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.product-info__price-block {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.product-info__price {
  font-size: var(--text-2xl);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.product-info__price-unit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.product-info__size {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Add to Cart Block */
.product-info__add-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Accordion (Product Details, Ingredients, etc.) */
.accordion {
  border-top: 1px solid var(--color-border);
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.accordion__trigger:hover {
  color: var(--color-accent);
}

.accordion__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(45deg);
}

.accordion__body {
  display: none;
  padding-bottom: var(--space-5);
}

.accordion__item.is-open .accordion__body {
  display: block;
}

.accordion__content {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   15. Service Highlights Bar
   ========================================================================== */

.service-bar {
  background-color: var(--color-tertiary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 0;
}

.service-bar__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.service-item__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.service-item__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  letter-spacing: var(--tracking-wide);
}

.service-item__desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ==========================================================================
   16. Newsletter Section
   ========================================================================== */

.newsletter-section {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0;
  text-align: center;
}

.newsletter-section__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-4);
}

.newsletter-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-light);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.newsletter-section__desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  margin: 0 auto var(--space-8);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
}

.newsletter-form__input {
  padding: 0.875rem var(--space-4);
  background-color: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-text-inverse);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--transition-fast);
}

.newsletter-form__input::placeholder {
  color: rgba(255,255,255,0.5);
}

.newsletter-form__input:focus {
  border-color: var(--color-accent);
}

.newsletter-form__success {
  display: none;
  padding: var(--space-4);
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.newsletter-form__success.is-visible {
  display: block;
}

.newsletter-form__disclaimer {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-3);
}

/* ==========================================================================
   17. Cart Page
   ========================================================================== */

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

/* Free Shipping Progress Bar */
.shipping-progress {
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-tertiary);
  margin-bottom: var(--space-6);
}

.shipping-progress__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.shipping-progress__text strong {
  color: var(--color-text-primary);
}

.shipping-progress__bar-track {
  height: 3px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.shipping-progress__bar-fill {
  height: 100%;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

/* Cart Item */
.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.cart-item.is-removing {
  opacity: 0;
  transform: translateX(-20px);
}

.cart-item__image {
  width: 100px;
  height: 133px;
  object-fit: cover;
  background-color: var(--color-tertiary);
}

.cart-item__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cart-item__brand {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.cart-item__name {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  font-weight: var(--font-regular);
}

.cart-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.cart-item__quantity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

/* Quantity Selector */
.qty-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  width: fit-content;
}

.qty-selector__btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: var(--text-md);
  line-height: 1;
  transition: background-color var(--transition-fast);
  user-select: none;
}

.qty-selector__btn:hover {
  background-color: var(--color-tertiary);
}

.qty-selector__value {
  width: 40px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.cart-item__price {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.cart-item__remove {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--transition-fast);
  padding: 0;
  margin-top: var(--space-2);
}

.cart-item__remove:hover {
  color: var(--color-error);
}

/* Cart Summary */
.cart-summary {
  background-color: var(--color-tertiary);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cart-summary__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.cart-summary__row--total {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.cart-summary__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* ==========================================================================
   18. Checkout Page
   ========================================================================== */

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Checkout Steps */
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-8);
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  position: relative;
}

.checkout-step:not(:last-child)::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
  margin: 0 var(--space-2);
}

.checkout-step__number {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  background-color: var(--color-secondary);
  flex-shrink: 0;
  transition: all var(--transition);
}

.checkout-step.is-active .checkout-step__number {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.checkout-step.is-completed .checkout-step__number {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text-inverse);
}

.checkout-step__label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.checkout-step.is-active .checkout-step__label {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

/* Radio Cards (Shipping options) */
.radio-card-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  position: relative;
}

.radio-card:hover {
  border-color: var(--color-border-dark);
}

.radio-card.is-selected {
  border-color: var(--color-primary);
}

.radio-card__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-card__radio {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-dark);
  flex-shrink: 0;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.radio-card.is-selected .radio-card__radio {
  border-color: var(--color-primary);
}

.radio-card.is-selected .radio-card__radio::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  display: block;
}

.radio-card__body {
  flex: 1;
}

.radio-card__title {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.radio-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.radio-card__price {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  flex-shrink: 0;
}

/* Checkout Form Section */
.checkout-section {
  margin-bottom: var(--space-8);
}

.checkout-section__title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

/* ==========================================================================
   19. Form Styles
   ========================================================================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem var(--space-4);
  border: 1px solid var(--color-border);
  background-color: var(--color-secondary);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  outline: none;
  transition: border-color var(--transition-fast);
  border-radius: var(--radius-sm);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10,10,10,0.08);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input.has-error,
.form-select.has-error,
.form-textarea.has-error {
  border-color: var(--color-error);
}

.form-input.has-error:focus,
.form-select.has-error:focus {
  box-shadow: 0 0 0 3px rgba(163,64,59,0.1);
}

.form-select {
  cursor: pointer;
  background-image: 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='%236B6B6B' 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");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--leading-relaxed);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-1);
}

.form-error:empty {
  display: none;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check__input {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background-color: var(--color-secondary);
  flex-shrink: 0;
  cursor: pointer;
  margin-top: 2px;
  appearance: none;
  position: relative;
  transition: all var(--transition-fast);
}

.form-check__input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check__input:checked::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'%3E%3Cpath d='M13.485 1.431a1.473 1.473 0 0 0-2.084 0l-6.31 6.31-1.486-1.486a1.473 1.473 0 0 0-2.084 2.084l2.528 2.528c.57.57 1.514.57 2.084 0l7.353-7.352a1.473 1.473 0 0 0 0-2.084z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ==========================================================================
   20. Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-inverse);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer-col__title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links__item {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links__item:hover {
  color: var(--color-text-inverse);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

.footer-contact__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* Social Icons */
.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social__link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social__link:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-8);
  align-items: flex-start;
}

.footer-bottom__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom__link {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer-bottom__link:hover {
  color: var(--color-text-inverse);
}

.footer-bottom__payments {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.payment-icon {
  height: 24px;
  opacity: 0.5;
  filter: grayscale(1) brightness(10);
}

/* ==========================================================================
   21. Cookie Banner
   ========================================================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-modal);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-6) var(--space-4);
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cookie-banner__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.8);
  line-height: var(--leading-relaxed);
}

.cookie-banner__text a {
  color: var(--color-accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.625rem var(--space-5);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  cursor: pointer;
  border: 1.5px solid;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.cookie-btn--accept {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.cookie-btn--accept:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.cookie-btn--decline {
  background-color: transparent;
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.8);
}

.cookie-btn--decline:hover {
  border-color: rgba(255,255,255,0.6);
  color: var(--color-text-inverse);
}

.cookie-btn--settings {
  background-color: transparent;
  border-color: transparent;
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-btn--settings:hover {
  color: rgba(255,255,255,0.8);
}

/* ==========================================================================
   22. Brand Pages
   ========================================================================== */

.brand-hero {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0;
  text-align: center;
}

.brand-hero__letter {
  font-size: var(--text-6xl);
  font-weight: var(--font-light);
  letter-spacing: var(--tracking-tight);
  color: rgba(255,255,255,0.1);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.brand-hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-light);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-6);
}

.brand-hero__story {
  max-width: 680px;
  margin: 0 auto;
  font-size: var(--text-md);
  color: rgba(255,255,255,0.7);
  line-height: var(--leading-relaxed);
}

/* Brand Alphabetical Navigation */
.brand-alpha-nav {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: var(--nav-height);
  background-color: var(--color-secondary);
  z-index: var(--z-raised);
  overflow-x: auto;
  scrollbar-width: none;
}

.brand-alpha-nav::-webkit-scrollbar {
  display: none;
}

.brand-alpha-nav__inner {
  display: flex;
  gap: var(--space-1);
  min-width: max-content;
  padding: 0 var(--container-padding);
}

.brand-alpha-nav__letter {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.brand-alpha-nav__letter:hover {
  background-color: var(--color-tertiary);
  color: var(--color-text-primary);
}

.brand-alpha-nav__letter.is-active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.brand-alpha-nav__letter.is-disabled {
  color: var(--color-border);
  cursor: not-allowed;
  pointer-events: none;
}

/* Brand Section */
.brand-section {
  scroll-margin-top: calc(var(--nav-height) + 60px);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.brand-section__letter {
  font-size: var(--text-3xl);
  font-weight: var(--font-light);
  color: var(--color-border);
  margin-bottom: var(--space-6);
}

/* Brand Card */
.brand-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all var(--transition);
}

.brand-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.brand-card__logo {
  width: 80px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
  filter: grayscale(1);
  transition: filter var(--transition);
}

.brand-card:hover .brand-card__logo {
  filter: grayscale(0);
}

.brand-card__info {
  flex: 1;
}

.brand-card__name {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.brand-card__origin {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   23. About Page
   ========================================================================== */

.about-section {
  padding: var(--section-py) 0;
}

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

.about-section--dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.value-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
}

.value-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
}

.value-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.value-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Team Grid */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.team-card__photo {
  aspect-ratio: 1;
  overflow: hidden;
  background-color: var(--color-tertiary);
  margin-bottom: var(--space-4);
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   24. Contact Page
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-item__icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.contact-item__value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

.contact-item__value a {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-item__value a:hover {
  color: var(--color-accent);
}

.contact-form {
  background-color: var(--color-tertiary);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-form__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.contact-form__success {
  display: none;
  padding: var(--space-5);
  background-color: var(--color-success-light);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.contact-form__success.is-visible {
  display: block;
}

/* ==========================================================================
   25. Legal Pages
   ========================================================================== */

.legal-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

.legal-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.legal-nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  line-height: var(--leading-normal);
}

.legal-nav__link:hover {
  color: var(--color-text-primary);
  border-left-color: var(--color-border-dark);
  background-color: var(--color-tertiary);
}

.legal-nav__link.is-active {
  color: var(--color-text-primary);
  font-weight: var(--font-medium);
  border-left-color: var(--color-primary);
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.legal-section {
  scroll-margin-top: calc(var(--nav-height) + var(--space-6));
}

.legal-section__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.legal-section__subtitle {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.legal-section p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.legal-section ul,
.legal-section ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

.legal-section ul {
  list-style: disc;
}

.legal-section ol {
  list-style: decimal;
}

.legal-section li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.legal-table th {
  background-color: var(--color-tertiary);
  font-weight: var(--font-semibold);
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.legal-table td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  vertical-align: top;
}

.legal-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   26. Scroll Reveal Animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ==========================================================================
   27. Utility & Helper Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-inverse { color: var(--color-text-inverse); }
.text-error { color: var(--color-error); }
.text-success { color: var(--color-success); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-tertiary { background-color: var(--color-tertiary); }
.bg-accent { background-color: var(--color-accent); }

.font-light { font-weight: var(--font-light); }
.font-regular { font-weight: var(--font-regular); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }

.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

.rounded { border-radius: var(--radius); }
.rounded-full { border-radius: var(--radius-full); }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  transform: translateX(calc(100% + var(--space-6)));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toast.is-visible {
  transform: translateX(0);
}

/* ==========================================================================
   28. Responsive Breakpoints (Mobile-First)
   ========================================================================== */

/* ---- 576px (small / landscape mobile) ---- */
@media (min-width: 576px) {
  :root {
    --container-padding: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .hero-split {
    grid-template-columns: 1fr 1fr;
  }

  .hero-split__media {
    min-height: auto;
  }

  .service-bar__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .newsletter-form {
    flex-direction: row;
  }

  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .cart-item {
    grid-template-columns: 120px 1fr;
  }

  .cart-item__image {
    width: 120px;
    height: 160px;
  }

  .about-values {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- 768px (tablet) ---- */
@media (min-width: 768px) {
  :root {
    --section-py: var(--section-py-md);
    --container-padding: 2rem;
    --grid-gap: var(--grid-gap-md);
  }

  .product-grid {
    grid-template-columns: repeat(var(--grid-cols-tablet), 1fr);
    gap: var(--grid-gap-md);
  }

  .hero__title {
    font-size: var(--text-5xl);
  }

  .heading-display {
    font-size: var(--text-6xl);
  }

  .hero-split__content {
    padding: var(--space-16) var(--space-12);
  }

  .service-bar__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr 1.5fr;
  }

  .cart-layout {
    grid-template-columns: 1fr 340px;
  }

  .legal-layout {
    grid-template-columns: 240px 1fr;
  }

  .checkout-layout {
    grid-template-columns: 1fr 360px;
  }

  .product-detail {
    grid-template-columns: 1fr 1fr;
  }

  .catalog-layout {
    grid-template-columns: 220px 1fr;
  }

  nav .hamburger {
    display: none;
  }

  .nav__menu {
    display: flex;
  }
}

/* ---- 992px (desktop / small laptop) ---- */
@media (min-width: 992px) {
  :root {
    --container-padding: 2.5rem;
  }

  .product-grid {
    grid-template-columns: repeat(var(--grid-cols-desktop), 1fr);
    gap: var(--grid-gap-lg);
  }

  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr 2fr;
  }

  .about-values {
    grid-template-columns: repeat(3, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- 1200px (large desktop) ---- */
@media (min-width: 1200px) {
  :root {
    --section-py: var(--section-py-lg);
    --container-padding: 2rem;
  }

  .hero__title {
    font-size: var(--text-6xl);
  }

  .product-detail {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-16);
  }

  .cart-layout {
    grid-template-columns: 1fr 380px;
  }

  .checkout-layout {
    grid-template-columns: 1fr 400px;
  }

  .about-values {
    grid-template-columns: repeat(4, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .brand-card__logo {
    width: 100px;
  }
}

/* ---- Print ---- */
@media print {
  .site-header,
  .announcement-bar,
  .mobile-menu,
  .cookie-banner,
  .newsletter-section,
  .service-bar,
  .site-footer {
    display: none;
  }

  body {
    font-size: 12pt;
  }
}

/* ---- Reduced Motion ---- */
@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;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---- High Contrast Mode ---- */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-secondary: var(--color-text-primary);
  }

  .btn-secondary {
    border-width: 2px;
  }
}

/* ==========================================================================
   SUPPLEMENT: BEM btn-- Aliases (double-dash variants used by PHP templates)
   These alias the single-dash .btn-* classes already defined above so that
   both naming conventions work identically.
   ========================================================================== */

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: #2A2A2A;
  border-color: #2A2A2A;
}

.btn--primary:active {
  background-color: #404040;
}

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--white {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

.btn--white:hover,
.btn--white:focus {
  background-color: var(--color-tertiary);
}

.btn--text {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn--text:hover,
.btn--text:focus {
  color: var(--color-accent);
}

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

.btn--outline:hover,
.btn--outline:focus {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn--accent:hover,
.btn--accent:focus {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

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

.btn--ghost:hover,
.btn--ghost:focus {
  background-color: var(--color-tertiary);
  border-color: var(--color-border-dark);
  color: var(--color-text-primary);
}

/* Button Size Modifiers (double-dash) */
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-sm);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   SUPPLEMENT: product-card__add alias for product-card__add-btn
   index.php, prodotto.php, catalogo.php use .product-card__add
   style.css only defines .product-card__add-btn — add the alias here.
   ========================================================================== */

.product-card__add {
  display: block;
  width: 100%;
  margin-top: var(--space-3);
  padding: 0.625rem;
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(4px);
}

.product-card:hover .product-card__add {
  opacity: 1;
  transform: translateY(0);
}

.product-card__add:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.product-card__add.is-added {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text-inverse);
}

/* ==========================================================================
   SUPPLEMENT: Section Intro — used in index.php inline styles but
   also referenced from other pages via shared includes.
   ========================================================================== */

.section-intro {
  margin-bottom: 48px;
}

.section-intro--center {
  text-align: center;
}

.section-intro__line {
  width: 40px;
  height: 1px;
  background-color: var(--color-accent);
  margin-bottom: 20px;
}

.section-intro--center .section-intro__line {
  margin-left: auto;
  margin-right: auto;
}

.section-intro__label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.section-intro__heading {
  font-size: var(--text-3xl);
  font-weight: var(--font-light);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 16px;
}

.section-intro__description {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
}

.section-intro--center .section-intro__description {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   SUPPLEMENT: product-grid--4 modifier
   ========================================================================== */

.product-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .product-grid--4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .product-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   SUPPLEMENT: Category Grid & Category Card
   ========================================================================== */

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap-md);
}

@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
}

.category-card {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  text-decoration: none;
  background-color: var(--color-tertiary);
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.category-card__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.category-card:hover .category-card__image {
  transform: scale(1.04);
}

.category-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6) var(--space-4);
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  color: var(--color-text-inverse);
}

.category-card__name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-inverse);
}

/* ==========================================================================
   SUPPLEMENT: Editorial Section
   ========================================================================== */

.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
  overflow: hidden;
}

.editorial--reversed {
  direction: rtl;
}

.editorial--reversed > * {
  direction: ltr;
}

.editorial__media {
  overflow: hidden;
  background-color: var(--color-tertiary);
}

.editorial__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.editorial:hover .editorial__media img {
  transform: scale(1.03);
}

.editorial__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-16) var(--space-12);
  background-color: var(--color-tertiary);
}

.editorial__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
}

.editorial__heading {
  font-size: var(--text-3xl);
  font-weight: var(--font-light);
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.editorial__description {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .editorial {
    grid-template-columns: 1fr;
  }

  .editorial__content {
    padding: var(--space-8) var(--space-6);
  }

  .editorial__media {
    min-height: 280px;
  }
}

/* ==========================================================================
   SUPPLEMENT: Brand Showcase
   ========================================================================== */

.brand-showcase {
  padding: var(--space-12) 0;
  background-color: var(--color-secondary);
}

.brand-showcase__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.brand-showcase__item {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity var(--transition);
  text-decoration: none;
}

.brand-showcase__item:hover {
  opacity: 1;
}

.brand-showcase__logo {
  max-height: 32px;
  max-width: 120px;
  object-fit: contain;
}

.brand-showcase__name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   SUPPLEMENT: Service Highlights
   ========================================================================== */

.service-highlights {
  padding: var(--space-12) 0;
  background-color: var(--color-tertiary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.service-highlights__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .service-highlights__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .service-highlights__grid {
    grid-template-columns: 1fr;
  }
}

.service-highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
}

.service-highlight__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.service-highlight__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  stroke-width: 1.5;
}

.service-highlight__title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.service-highlight__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   SUPPLEMENT: Checkout Header
   ========================================================================== */

.checkout-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  background-color: var(--color-secondary);
}

.checkout-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkout-header__logo {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
}

.checkout-header__secure {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

/* ==========================================================================
   SUPPLEMENT: Legal Page Layout
   ========================================================================== */

.legal-page {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 1024px) {
  .legal-page {
    grid-template-columns: 1fr;
    padding: var(--space-8) var(--space-6);
  }
}

.legal-page__nav {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

@media (max-width: 1024px) {
  .legal-page__nav {
    position: static;
  }
}