/* ── CSS Variables (Design Tokens) ──────────────────────────────────────────── */
:root {
  /* Core Colors - Dark Charcoal Theme */
  --background: 220 10% 8%;
  --foreground: 220 10% 95%;

  --card: 220 10% 12%;
  --card-foreground: 220 10% 95%;

  --popover: 220 10% 10%;
  --popover-foreground: 220 10% 95%;

  /* Construction Orange - Primary Brand Color */
  --primary: 24 95% 53%;
  --primary-foreground: 0 0% 100%;

  /* Secondary - Lighter grey for subtle elements */
  --secondary: 220 10% 18%;
  --secondary-foreground: 220 10% 90%;

  --muted: 220 10% 15%;
  --muted-foreground: 220 10% 60%;

  --accent: 24 95% 53%;
  --accent-foreground: 0 0% 100%;

  --destructive: 0 72% 51%;
  --destructive-foreground: 0 0% 100%;

  --border: 220 10% 20%;
  --input: 220 10% 15%;
  --ring: 24 95% 53%;

  --radius: 1rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;

  /* Custom tokens for construction theme */
  --success: 142 71% 45%;
  --warning: 38 92% 50%;
  --error: 0 72% 51%;
  --info: 199 89% 48%;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-primary: 0 10px 15px -3px hsla(24, 95%, 53%, 0.2);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Z-index */
  --z-negative: -1;
  --z-elevated: 1;
  --z-sticky: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}

/* ── Reset & Base ────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: hsl(var(--background));
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--border));
  border-radius: 10px;
  border: 2px solid hsl(var(--background));
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--muted-foreground));
}

/* ── Typography Utilities ────────────────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  letter-spacing: -0.025em;
  color: hsl(var(--foreground));
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.text-base {
  font-size: 1rem;
  line-height: 1.5rem;
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}

.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}

.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}

.text-5xl {
  font-size: 3rem;
  line-height: 1;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.font-black {
  font-weight: 900;
}

.text-muted {
  color: hsl(var(--muted-foreground));
}

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

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

/* ── Layout Utilities ───────────────────────────────────────────────────────── */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1.5rem;
  padding-left: 1.5rem;
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

/* ── Premium Glassmorphism ───────────────────────────────────────────────────── */
.glass {
  background: hsla(var(--background), 0.7);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid hsla(var(--border), 0.3);
}

.glass-card {
  background: hsla(var(--card), 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid hsla(var(--border), 0.5);
}

.glass-nav {
  background: hsla(var(--background), 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid hsla(var(--border), 0.5);
}

/* ── Animations ─────────────────────────────────────────────────────────────── */
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fade-in 0.5s ease forwards;
}

.animate-slide-up {
  animation: slide-up 0.5s ease-out forwards;
}

.animate-scale-in {
  animation: scale-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-shimmer {
  position: relative;
  overflow: hidden;
}

.animate-shimmer::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.1), transparent);
  animation: shimmer 2s infinite;
}

.text-sm {
  font-size: var(--font-size-sm);
}

.text-base {
  font-size: var(--font-size-base);
}

.text-lg {
  font-size: var(--font-size-lg);
}

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

.text-2xl {
  font-size: var(--font-size-2xl);
}

.text-3xl {
  font-size: var(--font-size-3xl);
}

.text-4xl {
  font-size: var(--font-size-4xl);
}

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

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.font-extrabold {
  font-weight: 800;
}

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

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

.text-muted {
  color: var(--text-muted);
}

.text-secondary {
  color: var(--text-secondary);
}

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

.text-success {
  color: var(--color-success);
}

.text-error {
  color: var(--color-error);
}

.text-warning {
  color: var(--color-warning);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2xl);
}

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.btn-primary:hover {
  opacity: 0.9;
  box-shadow: var(--shadow-orange);
}

.btn-secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}

.btn-secondary:hover {
  background-color: hsl(var(--secondary) / 0.8);
}

.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
}

.btn-ghost:hover {
  background-color: hsl(var(--accent) / 0.1);
  color: hsl(var(--accent-foreground));
}

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

.btn-outline:hover {
  background-color: hsl(var(--accent) / 0.1);
}

.btn-orange {
  background: var(--gradient-orange);
  color: white;
  border: none;
  box-shadow: var(--shadow-orange);
}

.btn-orange:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px hsl(24 95% 53% / 0.4);
}

/* ── Cards ───────────────────────────────────────────────────────────────────── */
.card {
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border) / 0.5);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: hsl(var(--primary) / 0.3);
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid hsl(var(--border) / 0.5);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid hsl(var(--border) / 0.5);
}

/* Product Card */
.product-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: hsl(var(--muted) / 0.3);
}

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

.product-card:hover .product-img-wrap img {
  transform: scale(1.1);
}

.product-card .product-body {
  padding: var(--space-md);
}

.product-card .product-name {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.product-card .product-price {
  color: var(--brand-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

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

.product-card .product-badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--brand-primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.product-card .out-of-stock-badge {
  background: var(--gray-600);
}

.product-card .rental-badge {
  background: var(--color-info);
}

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--foreground) / 0.9);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.625rem 1rem;
  background-color: hsl(var(--input));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  color: hsl(var(--foreground));
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.2);
}

.form-control::placeholder {
  color: hsl(var(--muted-foreground));
}

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-primary {
  background-color: hsl(var(--primary) / 0.15);
  color: hsl(var(--primary));
}

.badge-secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}

.badge-success {
  background-color: hsl(var(--success) / 0.15);
  color: hsl(var(--success));
}

.badge-warning {
  background-color: hsl(var(--warning) / 0.15);
  color: hsl(var(--warning));
}

.badge-destructive {
  background-color: hsl(var(--destructive) / 0.15);
  color: hsl(var(--destructive));
}

/* ── Navbar ──────────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: hsl(var(--background) / 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
}

.navbar {
  position: relative;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-lg);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-accent {
  color: var(--brand-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
}

.nav-link {
  padding: 0.375rem 0.875rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand-primary);
  background: rgba(255, 87, 34, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.icon-btn:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--border-radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid #fff;
}

/* User Dropdown */
.user-menu-wrapper {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-full);
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.user-btn:hover {
  border-color: var(--brand-primary);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.user-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.user-dropdown li a,
.user-dropdown li button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  border: none;
  background: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.user-dropdown li a:hover,
.user-dropdown li button:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.user-dropdown hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-sm) 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: var(--space-md);
  z-index: var(--z-fixed);
}

.mobile-menu.open {
  display: block;
}

.mobile-link {
  display: block;
  padding: 0.625rem var(--space-md);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-base);
}

.mobile-link:hover {
  background: var(--gray-100);
  color: var(--brand-primary);
}

/* ── Hero Section ────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero-title span {
  color: var(--brand-primary);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-2xl);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero Slide (for slider) */
.hero-slider {
  position: relative;
  overflow: hidden;
}

.hero-slides {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide {
  min-width: 100%;
}

.hero-slide img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.slider-btn:hover {
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.slider-prev {
  left: var(--space-lg);
}

.slider-next {
  right: var(--space-lg);
}

.slider-dots {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}

/* ── Stats Section ───────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--brand-primary);
}

.stat-label {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ── Floating Cards (Feature Highlights) ────────────────────────────────────── */
.floating-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.floating-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  text-align: center;
}

.floating-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-primary);
}

.floating-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.floating-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.floating-card-desc {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* ── Category Cards ──────────────────────────────────────────────────────────── */
.category-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  text-align: center;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

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

.category-card img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto var(--space-sm);
}

.category-card .cat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.category-card .cat-name {
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Footer ──────────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-3xl) var(--space-lg);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  margin: var(--space-md) 0;
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: #fff;
  text-decoration: none;
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-links a {
  font-size: 1.25rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.social-links a:hover {
  transform: scale(1.2);
}

.footer-links h4 {
  color: #fff;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.footer-links ul li {
  margin-bottom: var(--space-sm);
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--brand-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

/* ── Table ───────────────────────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

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

table th {
  background: var(--gray-50);
  padding: 0.875rem var(--space-md);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  vertical-align: middle;
}

table tr:last-child td {
  border-bottom: none;
}

table tbody tr:hover {
  background: var(--gray-50);
}

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-sm);
  border-left: 4px solid;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.alert-success {
  background: rgba(34, 197, 94, 0.08);
  border-color: var(--color-success);
  color: #166534;
}

.alert-error {
  background: rgba(239, 68, 68, 0.08);
  border-color: var(--color-error);
  color: #991b1b;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--color-warning);
  color: #92400e;
}

.alert-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--color-info);
  color: #1e40af;
}

/* ── Page Header (breadcrumb area) ──────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
  color: #fff;
  padding: var(--space-2xl) 0;
}

.page-header h1 {
  color: #fff;
  margin-bottom: var(--space-xs);
}

.page-header .breadcrumb {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

.page-header .breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

.page-header .breadcrumb a:hover {
  color: #fff;
}

.page-header .breadcrumb span {
  color: rgba(255, 255, 255, 0.4);
}

/* ── Step Indicator ──────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-2xl);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border-color);
  z-index: 0;
}

.step.active::after,
.step.done::after {
  background: var(--brand-primary);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  position: relative;
  z-index: 1;
  border: 2px solid var(--border-color);
  transition: all var(--transition-base);
}

.step.active .step-num {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
}

.step.done .step-num {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

.step-label {
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
}

.step.active .step-label {
  color: var(--brand-primary);
}

/* ── Modal ───────────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  animation: modal-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-200);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* ── Wallet Card ─────────────────────────────────────────────────────────────── */
.wallet-card {
  background: linear-gradient(135deg, #FF5722, #FF8A65);
  color: #fff;
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.wallet-card::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -60px;
  right: -60px;
}

.wallet-balance {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
}

.wallet-label {
  font-size: var(--font-size-sm);
  opacity: 0.85;
  margin-bottom: var(--space-sm);
}

/* ── Scratch Card ────────────────────────────────────────────────────────────── */
.scratch-card-wrapper {
  background: linear-gradient(135deg, #FFD700, #FFC107);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  position: relative;
  user-select: none;
}

.scratch-card-wrapper.revealed {
  background: linear-gradient(135deg, #4CAF50, #66BB6A);
  cursor: default;
}

/* ── Empty State ─────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.empty-state .empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

/* ── Loading Spinner ─────────────────────────────────────────────────────────── */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.page-loading {
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Skeleton ────────────────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease infinite;
  border-radius: var(--border-radius-sm);
}

.skeleton-text {
  height: 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.skeleton-text.w-3-4 {
  width: 75%;
}

.skeleton-text.w-1-2 {
  width: 50%;
}

.skeleton-card {
  height: 280px;
  border-radius: var(--border-radius);
}

/* ── Search Bar ──────────────────────────────────────────────────────────────── */
.search-wrapper {
  position: relative;
  flex: 1;
  max-width: 500px;
}

.search-input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.75rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  background: var(--bg-card);
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--brand-primary);
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ── Filter Bar ──────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  padding: var(--space-md) 0;
}

.filter-chip {
  padding: 0.375rem 0.875rem;
  border-radius: var(--border-radius-full);
  border: 2px solid var(--border-color);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: rgba(255, 87, 34, 0.06);
}

/* ── CTA Section ─────────────────────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  text-align: center;
  padding: var(--space-3xl) 0;
}

.cta-section h2 {
  color: #fff;
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  margin: var(--space-md) auto var(--space-2xl);
  max-width: 500px;
}

/* ── Auth Pages ──────────────────────────────────────────────────────────────── */
.auth-page {
  min-height: calc(100vh - 64px);
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
}

.auth-card .auth-logo {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.auth-card h1 {
  text-align: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
}

.auth-card .auth-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-sm);
}

/* ── Admin Sidebar ───────────────────────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: calc(100vh - 64px);
}

.admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--gray-900);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}

.admin-sidebar-title {
  padding: 0 var(--space-lg) var(--space-md);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.625rem var(--space-lg);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.admin-nav-link:hover,
.admin-nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-left-color: var(--brand-primary);
}

.admin-nav-link span:first-child {
  font-size: 1.1rem;
}

.admin-content {
  flex: 1;
  padding: var(--space-xl);
  overflow-x: hidden;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.admin-header h1 {
  font-size: var(--font-size-2xl);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.kpi-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.kpi-icon.orange {
  background: rgba(255, 87, 34, 0.12);
}

.kpi-icon.blue {
  background: rgba(59, 130, 246, 0.12);
}

.kpi-icon.green {
  background: rgba(34, 197, 94, 0.12);
}

.kpi-icon.purple {
  background: rgba(139, 92, 246, 0.12);
}

.kpi-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
}

.kpi-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Utilities ───────────────────────────────────────────────────────────────── */
.mt-0 {
  margin-top: 0;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.p-md {
  padding: var(--space-md);
}

.p-lg {
  padding: var(--space-lg);
}

.p-xl {
  padding: var(--space-xl);
}

.w-full {
  width: 100%;
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-lg) 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Animations ──────────────────────────────────────────────────────────────── */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes skeleton-shimmer {
  to {
    background-position: -200% 0;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-fade-in {
  animation: fade-in 0.5s ease both;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {

  .nav-links,
  .nav-actions .user-menu-wrapper,
  .nav-actions .btn {
    display: none !important;
  }

  .hamburger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .floating-cards {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: none;
  }

  .admin-layout {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .auth-card {
    padding: var(--space-lg);
  }
}
/* ── Home Page Premium Overhaul ─────────────────────────────────────────── */

.hero-gradient {
  background: linear-gradient(to right, hsl(var(--background)), 20%, transparent),
              url('/assets/img/hero-background.jpg');
  background-size: cover;
  background-position: center;
}

.title-orange-accent {
  position: relative;
  padding-left: 1.5rem;
}

.title-orange-accent::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 4px;
  background: hsl(var(--primary));
  border-radius: var(--radius-full);
}

/* Floating Product Briefs */
.product-brief-card {
  background: hsla(var(--card), 0.6);
  backdrop-filter: blur(12px);
  padding: 1rem 1.5rem;
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid hsla(var(--border), 0.2);
}

.product-brief-card:hover {
  transform: translateX(10px) scale(1.05);
  background: hsla(var(--card), 0.8);
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 20px 40px -10px hsla(var(--background), 0.5);
}

.product-brief-card-img {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  object-fit: cover;
  background: hsla(var(--secondary), 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Category Grid Premium */
.category-card-premium {
  background: hsla(var(--card), 0.4);
  backdrop-filter: blur(16px);
  padding: 2.5rem 1.5rem;
  border-radius: 2rem;
  text-align: center;
  transition: all 0.5s var(--transition-base);
  border: 1px solid hsla(var(--border), 0.3);
  display: block;
  height: 100%;
}

.category-card-premium:hover {
  background: hsla(var(--primary), 0.1);
  border-color: hsl(var(--primary) / 0.4);
  transform: translateY(-8px);
}

.category-icon-wrapper {
  width: 4rem;
  height: 4rem;
  background: hsla(var(--secondary), 0.4);
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  color: hsl(var(--primary));
}

.category-card-premium:hover .category-icon-wrapper {
  background: hsl(var(--primary));
  color: white;
  transform: rotate(10deg) scale(1.1);
}

/* Featured Product Card Premium */
.product-card-premium {
  background: hsla(var(--card), 0.4);
  backdrop-filter: blur(16px);
  border: 1px solid hsla(var(--border), 0.3);
  border-radius: 2.5rem;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card-premium:hover {
  transform: translateY(-12px);
  border-color: hsl(var(--primary) / 0.4);
  box-shadow: 0 25px 50px -12px hsla(0, 0%, 0%, 0.5);
}

.product-image-container {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: hsla(var(--secondary), 0.2);
}

.product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card-premium:hover .product-image-container img {
  transform: scale(1.1);
}

.discount-badge-premium {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: hsl(var(--primary));
  color: white;
  padding: 0.35rem 0.85rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 900;
  z-index: 10;
  box-shadow: 0 4px 12px hsla(var(--primary), 0.3);
}

.product-info-premium {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category-label-premium {
  color: hsl(var(--primary));
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.product-name-premium {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: hsl(var(--foreground));
}

.product-rating-premium {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
}

.product-price-row-premium {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
  margin-bottom: 1.5rem;
}

.current-price-premium {
  font-size: 1.75rem;
  font-weight: 900;
  color: hsl(var(--primary));
}

.old-price-premium {
  font-size: 1rem;
  text-decoration: line-through;
  color: hsl(var(--muted-foreground));
  opacity: 0.6;
}

.unit-selector-premium {
  width: 100%;
  background: hsla(var(--secondary), 0.4);
  border: 1px solid hsla(var(--border), 0.3);
  padding: 0.85rem 1.25rem;
  border-radius: 1.25rem;
  color: hsl(var(--foreground));
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 1.25rem;
  transition: all 0.3s ease;
  appearance: none;
  background-image: url(\
data:image/svg+xml
%3Csvg
xmlns=http://www.w3.org/2000/svg
width=24
height=24
viewBox=0 0 24 24
fill=none
stroke=hsl(220, 10%25, 60%25)
stroke-width=2
stroke-linecap=round
stroke-linejoin=round%3E%3Cpath
d=m6 9 6 6 6-6/%3E%3C/svg%3E\);
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
}

.unit-selector-premium:focus {
  border-color: hsl(var(--primary));
  background-color: hsla(var(--secondary), 0.6);
  outline: none;
}

.btn-add-to-cart-premium {
  width: 100%;
  background: hsl(var(--primary));
  color: white;
  padding: 1.15rem;
  border-radius: 1.5rem;
  font-weight: 900;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 12px 24px -6px hsla(var(--primary), 0.4);
  border: none;
  cursor: pointer;
}

.btn-add-to-cart-premium:hover {
  transform: scale(1.03);
  box-shadow: 0 18px 36px -6px hsla(var(--primary), 0.5);
  filter: brightness(1.1);
}

.btn-add-to-cart-premium:active {
  transform: scale(0.97);
}

/* Floating Buttons (FABs) */
.fab-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 100;
}

.fab-btn {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 15px 35px -5px rgba(0,0,0,0.5);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.fab-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.2), transparent);
  pointer-events: none;
}

.fab-btn:hover {
  transform: scale(1.15) translateY(-10px);
  box-shadow: 0 25px 50px -5px rgba(0,0,0,0.6);
}

.fab-calculator {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.fab-whatsapp {
  background: linear-gradient(135deg, #22c55e, #16a34a);
}

/* Hero Stats Section */
.hero-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4rem;
  margin-top: 5rem;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: 3rem;
  font-weight: 900;
  color: hsl(var(--foreground));
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.9rem;
  color: hsl(var(--muted-foreground));
  font-weight: 700;
  margin-top: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 1280px) {
  .hero-stats-row {
    gap: 3rem;
  }
}

@media (max-width: 1024px) {
  .hero-stats-row {
    gap: 2rem;
    justify-content: space-between;
  }

  .hero-stat-value {
    font-size: 2rem;
  }
}


/* ── Global Layout Utilities (Tailwind Polyfills) ────────────────────────── */

.grid { display: grid; }
.flex { display: flex; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.hidden { display: none; }

.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

.pt-24 { padding-top: 6rem; }
.pb-20 { padding-bottom: 5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mt-10 { margin-top: 2.5rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.shrink-0 { flex-shrink: 0; }

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:block { display: block; }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.italic { font-style: italic; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.leading-none { line-height: 1; }
.leading-relaxed { line-height: 1.625; }

/* ── Custom Component Fixes ────────────────────────────────────────────── */
.glass-card {
  background: hsla(var(--card), 0.4);
  backdrop-filter: blur(16px);
  border: 1px solid hsla(var(--border), 0.3);
}