/* =========================================================
ZC STORE MAIN STYLESHEET
=========================================================

Table of Contents:
1. CSS Variables (Custom Properties)
1.1 Colors
1.2 Typography
1.3 Spacing
1.4 Borders & Shadows
1.5 Transitions
1.6 Breakpoints
2. Reset & Base Styles
3. Typography
4. Layout & Grid
5. Components
5.1 Buttons
5.2 Forms
5.3 Cards
5.4 Navigation
5.5 Hero Banner
5.6 Product Cards
5.7 Category Cards
5.8 Special Offers
5.9 Testimonials
5.10 Newsletter
6. Utilities
7. Dark Mode (Optional)
========================================================= */

/* =========================================================
1. CSS VARIABLES (CUSTOM PROPERTIES)
========================================================= */

:root {
  /* 1.1 Colors */
  /* Primary Colors */

  --color-primary: #005550;
  --color-primary-light: #337c78;
  --color-primary-dark: #003f3a;

  /* Secondary Colors */
  --color-secondary: #6c757d;
  --color-secondary-light: #adb5bd;
  --color-secondary-dark: #495057;

  /* Accent Colors */
  --color-accent: #fd7e14;
  --color-accent-light: #ff9c4a;
  --color-accent-dark: #e06500;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-light: #f8f9fa;
  --color-light-gray: #e9ecef;
  --color-gray: #ced4da;
  --color-dark-gray: #6c757d;
  --color-dark: #343a40;
  --color-black: #212529;

  /* Semantic Colors */
  --color-success: #198754;
  --color-info: #0dcaf0;
  --color-warning: #ffc107;
  --color-danger: #dc3545;

  /* Background Colors */
  --bg-body: var(--color-white);
  --bg-light: var(--color-light);
  --bg-dark: var(--color-dark);
  --bg-card: var(--color-white);
  --bg-footer: var(--color-dark);

  /* Text Colors */
  --text-primary: var(--color-black);
  --text-secondary: var(--color-secondary);
  --text-muted: var(--color-secondary);
  --text-light: var(--color-white);
  --text-link: var(--color-primary);
  --text-link-hover: var(--color-primary-dark);

  /* Border Colors */
  --border-color: var(--color-gray);
  --border-color-light: var(--color-light-gray);

  /* 1.2 Typography */
  --font-family-base: "Poppins", sans-serif;
  --font-family-heading: "Poppins", sans-serif;

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

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

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-loose: 2;

  /* 1.3 Spacing */
  --spacing-base: 1rem;
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */
  --spacing-4xl: 5rem; /* 80px */

  /* 1.4 Borders & Shadows */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-pill: 50rem;
  --border-radius-circle: 50%;

  --border-width-thin: 1px;
  --border-width-medium: 2px;
  --border-width-thick: 3px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* 1.5 Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 1.6 Breakpoints (for reference) */
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;

  /* Container Max Widths */
  --container-max-width-sm: 540px;
  --container-max-width-md: 720px;
  --container-max-width-lg: 960px;
  --container-max-width-xl: 1140px;
  --container-max-width-xxl: 1320px;

  /* Sidebar Width & Header Height */
  --sidebar-width: fit-content;
  --header-height: 56px;
}

/* =========================================================
2. RESET & BASE STYLES
========================================================= */

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style-type: none;
  text-decoration: none;
  outline: none;
  border: none;
}
input:focus {
  outline: unset !important;
  box-shadow: unset !important;
}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  display: none;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

button,
input:focus,
select:focus,
textarea:focus {
  box-shadow: none !important;
  outline: none !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-body);
  overflow-x: hidden;
  padding-top: var(--spacing-3xl);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--text-link-hover);
}

/* =========================================================
3. TYPOGRAPHY
========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

p {
  margin-bottom: var(--spacing-md);
}

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

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

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

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

.text-danger {
  color: var(--color-danger) !important;
}

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

.text-info {
  color: var(--color-info) !important;
}

.text-light {
  color: var(--text-light) !important;
}

.text-dark {
  color: var(--color-dark) !important;
}

.section-title {
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}

.section-title h2:after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--color-primary);
}

/* =========================================================
4. LAYOUT & GRID
========================================================= */

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

@media (min-width: 576px) {
  .container {
    max-width: var(--container-max-width-sm);
  }
}

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

@media (min-width: 992px) {
  .container {
    max-width: var(--container-max-width-lg);
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: var(--container-max-width-xl);
  }
}

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

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

/* =========================================================
5. COMPONENTS
========================================================= */

/* 5.1 Buttons */
.btn {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: var(--border-width-thin) solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-md);
  line-height: 1.5;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

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

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

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

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

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

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

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

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius-sm);
}

.btn-lg {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-md);
}

/* 5.2 Forms */
.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--color-white);
  background-clip: padding-box;
  border: var(--border-width-thin) solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.form-control:focus {
  color: var(--text-primary);
  background-color: var(--color-white);
  border-color: var(--color-primary-light);
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}

.input-group > .form-control {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
}

.form-text {
  margin-top: 0.25rem;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* 5.3 Cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: var(--bg-card);
  background-clip: border-box;
  border: var(--border-width-thin) solid var(--border-color-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card-body {
  flex: 1 1 auto;
  padding: var(--spacing-md);
}

.card-title {
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
}

.card-text {
  margin-bottom: var(--spacing-md);
}

.card-img-top {
  width: 100%;
  border-top-left-radius: calc(var(--border-radius-md) - 1px);
  border-top-right-radius: calc(var(--border-radius-md) - 1px);
}

/* 5.4 Navigation */
.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.navbar-fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.navbar-brand {
  display: inline-block;
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  margin-right: 1rem;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: inherit;
  white-space: nowrap;
}

.navbar-nav {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary);
}

/* 5.5 Hero Banner */
.hero-banner {
  position: relative;
  height: 500px;
  background: url("../images/hero-banner.png") no-repeat center center;
  background-size: cover;
  margin-bottom: var(--spacing-xl);
}

.hero-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  color: var(--color-white);
}

.hero-text-container {
  padding: var(--spacing-xl);
  max-width: 600px;
  margin-left: 5%;
}

.hero-text-container h1 {
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  color: var(--color-white);
}

.hero-text-container p {
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 5.6 Product Cards */
.product-card {
  transition: all var(--transition-base);
  border: var(--border-width-thin) solid var(--border-color-light);
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.product-image-container {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

.product-card:hover .product-image-container img {
  transform: scale(1.05);
}

.product-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  height: 2.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

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

.product-description {
  font-size: var(--font-size-sm);
  height: 3rem;
  overflow: hidden;
}

/* 5.7 Category Cards */
.category-card {
  transition: all var(--transition-base);
  border: var(--border-width-thin) solid var(--border-color-light);
  overflow: hidden;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.category-image-container {
  height: 200px;
  overflow: hidden;
}

.category-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.category-card:hover .category-image-container img {
  transform: scale(1.05);
}

/* 5.8 Special Offers */
.offer-card {
  height: 250px;
  background: url("../images/summer-sale.jpg") no-repeat center center;
  background-size: cover;
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.offer-card-alt {
  background: url("../images/new-arrivals.jpg") no-repeat center center;
  background-size: cover;
}

.offer-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.offer-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-xl);
}

.offer-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  color: var(--color-white);
}

.offer-content p {
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 5.9 Testimonials */
.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  margin: 0 auto;
  max-width: 800px;
}

.testimonial-text {
  font-style: italic;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.testimonial-author h5 {
  font-weight: var(--font-weight-semibold);
}

.carousel-control-prev,
.carousel-control-next {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-circle);
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.8;
}

.carousel-control-prev {
  left: -20px;
}

.carousel-control-next {
  right: -20px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1;
}

/* 5.10 Newsletter */
.newsletter-section {
  background-color: var(--bg-light);
}

.newsletter-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.newsletter-form .form-control {
  height: 50px;
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.newsletter-form .btn {
  height: 50px;
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Footer */
.footer {
  background-color: var(--bg-footer);
  color: var(--text-light);
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
}

.footer h5 {
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.footer ul {
  list-style: none;
  padding-left: 0;
}

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

.footer a {
  color: var(--color-light);
  transition: color var(--transition-base);
}

.footer a:hover {
  color: var(--color-primary-light);
}

.social-icons a {
  display: inline-block;
  width: 36px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-circle);
  margin-right: var(--spacing-sm);
  transition: all var(--transition-base);
}

.social-icons a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* =========================================================
6. UTILITIES
========================================================= */

/* Spacing */
.mt-0 {
  margin-top: 0 !important;
}
.mt-1 {
  margin-top: var(--spacing-xs) !important;
}
.mt-2 {
  margin-top: var(--spacing-sm) !important;
}
.mt-3 {
  margin-top: var(--spacing-md) !important;
}
.mt-4 {
  margin-top: var(--spacing-lg) !important;
}
.mt-5 {
  margin-top: var(--spacing-xl) !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}
.mb-1 {
  margin-bottom: var(--spacing-xs) !important;
}
.mb-2 {
  margin-bottom: var(--spacing-sm) !important;
}
.mb-3 {
  margin-bottom: var(--spacing-md) !important;
}
.mb-4 {
  margin-bottom: var(--spacing-lg) !important;
}
.mb-5 {
  margin-bottom: var(--spacing-xl) !important;
}

.py-1 {
  padding-top: var(--spacing-xs) !important;
  padding-bottom: var(--spacing-xs) !important;
}
.py-2 {
  padding-top: var(--spacing-sm) !important;
  padding-bottom: var(--spacing-sm) !important;
}
.py-3 {
  padding-top: var(--spacing-md) !important;
  padding-bottom: var(--spacing-md) !important;
}
.py-4 {
  padding-top: var(--spacing-lg) !important;
  padding-bottom: var(--spacing-lg) !important;
}
.py-5 {
  padding-top: var(--spacing-xl) !important;
  padding-bottom: var(--spacing-xl) !important;
}

/* Text alignment */
.text-center {
  text-align: center !important;
}
.text-left {
  text-align: left !important;
}
.text-right {
  text-align: right !important;
}

/* Display */
.d-none {
  display: none !important;
}
.d-block {
  display: block !important;
}
.d-flex {
  display: flex !important;
}

/* Flex utilities */
.flex-column {
  flex-direction: column !important;
}
.justify-content-center {
  justify-content: center !important;
}
.justify-content-between {
  justify-content: space-between !important;
}
.align-items-center {
  align-items: center !important;
}

/* Position */
.position-relative {
  position: relative !important;
}
.position-absolute {
  position: absolute !important;
}

/* Width and height */
.w-100 {
  width: 100% !important;
}
.h-100 {
  height: 100% !important;
}

/* Background colors */
.bg-primary {
  background-color: var(--color-primary) !important;
}
.bg-secondary {
  background-color: var(--color-secondary) !important;
}
.bg-success {
  background-color: var(--color-success) !important;
}
.bg-danger {
  background-color: var(--color-danger) !important;
}
.bg-warning {
  background-color: var(--color-warning) !important;
}
.bg-info {
  background-color: var(--color-info) !important;
}
.bg-light {
  background-color: var(--bg-light) !important;
}
.bg-dark {
  background-color: var(--bg-dark) !important;
}
.bg-white {
  background-color: var(--color-white) !important;
}