/*
 * MMB Enterprises Website
 * styles.css - Complete Stylesheet
 * ================================
 * Table of Contents:
 * 1. CSS Reset & Base Styles
 * 2. CSS Custom Properties (Variables)
 * 3. Typography
 * 4. Layout & Grid
 * 5. Components
 *    5.1 Header & Navigation
 *    5.2 Buttons
 *    5.3 Cards
 *    5.4 Forms
 *    5.5 Sliders
 * 6. Sections
 *    6.1 Hero
 *    6.2 Categories
 *    6.3 Product Features
 *    6.4 About
 *    6.5 Portfolio
 *    6.6 Testimonials
 *    6.7 News
 *    6.8 CTA
 * 7. Footer
 * 8. Utilities
 * 9. Animations
 * 10. Media Queries
 */

/* ========================================
   1. CSS Reset & Base Styles
======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

/* ========================================
   2. CSS Custom Properties (Variables)
======================================== */
:root {
    /* Colors */
    --color-primary: #b89b7a;
    --color-primary-dark: #9a7f5f;
    --color-primary-light: #d4c4b0;
    --color-secondary: #2a3441;
    --color-secondary-dark: #1e2730;
    --color-secondary-light: #3d4a5c;
    --color-accent: #c9a86c;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-100: #f7f7f7;
    --color-gray-200: #eeeeee;
    --color-gray-300: #dddddd;
    --color-gray-400: #cccccc;
    --color-gray-500: #aaaaaa;
    --color-overlay: rgba(0, 0, 0, 0.5);
    --color-overlay-light: rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Playfair Display', Georgia, 'Times New Roman', serif;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 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-size-6xl: 3.75rem;   /* 60px */
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Spacing */
    --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: 6rem;     /* 96px */
    --spacing-5xl: 8rem;     /* 128px */
    
    /* Layout */
    --container-max-width: 1400px;
    --container-padding: 1.5rem;
    --header-height: 80px;
    --header-height-scrolled: 70px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --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, 0.15);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ========================================
   3. Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    color: var(--color-secondary);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

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-base);
}

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

.section-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

/* ========================================
   4. Layout & Grid
======================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-4xl) 0;
}

/* ========================================
   5. Components
======================================== */

/* 5.1 Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: transparent;
    z-index: var(--z-fixed);
    transition: var(--transition-base);
}

.header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    height: var(--header-height-scrolled);
}

.header.scrolled .logo-svg,
.header.scrolled .nav-link,
.header.scrolled .search-toggle,
.header.scrolled .cart-link {
    color: var(--color-secondary);
}

.header.scrolled .hamburger-line {
    background-color: var(--color-secondary);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.logo {
    flex-shrink: 0;
}

.logo-svg {
    width: 150px;
    height: 40px;
    color: var(--color-white);
    transition: var(--transition-base);
}

.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-item.active .nav-link::after {
    width: 100%;
}

.dropdown-arrow {
    font-size: 8px;
    margin-left: 4px;
    transition: var(--transition-base);
}

.nav-item.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: var(--transition-base);
}

.dropdown-menu li a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

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

.search-toggle,
.cart-link {
    color: var(--color-white);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.search-toggle:hover,
.cart-link:hover {
    color: var(--color-primary);
}

.cart-link {
    position: relative;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    z-index: var(--z-modal);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-base);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-secondary);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: var(--spacing-xl);
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--color-white);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-list {
    text-align: center;
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-list a {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition-base);
}

.mobile-nav-list a:hover {
    color: var(--color-primary);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-close {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    color: var(--color-white);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-container {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--spacing-xl);
}

.search-form {
    display: flex;
    border-bottom: 2px solid var(--color-white);
}

.search-input {
    flex: 1;
    background: transparent;
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    padding: var(--spacing-md) 0;
}

.search-input::placeholder {
    color: var(--color-gray-500);
}

.search-submit {
    color: var(--color-white);
    padding: var(--spacing-md);
}

/* 5.2 Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    min-width: 180px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-secondary);
}

/* 5.3 Cards */
.category-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.category-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

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

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--color-white);
}

.category-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.category-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-link:hover {
    color: var(--color-primary-light);
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.feature-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Portfolio Cards */
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.portfolio-image {
    aspect-ratio: 4/3;
}

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

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--color-white);
    transform: translateY(100%);
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-category {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.portfolio-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

/* News Cards */
.news-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.news-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

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

.news-tag {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.news-content {
    padding: var(--spacing-lg);
}

.news-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.news-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.news-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.news-link::after {
    content: '→';
    margin-left: var(--spacing-sm);
    transition: var(--transition-base);
}

.news-link:hover::after {
    margin-left: var(--spacing-md);
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    min-width: 100%;
    flex-shrink: 0;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.author-name {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.author-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* 5.4 Forms */
.newsletter {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-secondary-light);
    border: 1px solid var(--color-secondary-light);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.newsletter-input::placeholder {
    color: var(--color-gray-500);
}

.newsletter-input:focus {
    border-color: var(--color-primary);
}

.newsletter-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

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

/* 5.5 Sliders */
.testimonials-slider {
    position: relative;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.slider-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    transition: var(--transition-base);
}

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

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--color-gray-300);
    cursor: pointer;
    transition: var(--transition-base);
}

.slider-dot.active {
    background: var(--color-primary);
    width: 30px;
}

/* ========================================
   6. Sections
======================================== */

/* 6.1 Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Hero Slider */
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide .hero-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 6s ease;
}

.hero-slide.active .hero-bg-image {
    transform: scale(1.1);
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(42, 52, 65, 0.8), rgba(42, 52, 65, 0.6));
}

/* Hero Slider Navigation */
.hero-slider-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 10;
    pointer-events: none;
}

.hero-slider-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    pointer-events: auto;
}

.hero-slider-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Hero Slider Dots */
.hero-slider-dots {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.hero-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.hero-dot.active {
    background: var(--color-primary);
    width: 36px;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 var(--spacing-xl);
    position: relative;
    z-index: 5;
}

.hero-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-light);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
    line-height: 1.1;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8), 0 0 10px rgba(0, 0, 0, 0.4);
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.hero-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
}

/* 6.2 Intro Section */
.intro-section {
    background: var(--color-gray-100);
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.intro-btn-wrapper {
    margin-top: var(--spacing-xl);
}

/* 6.3 Categories Section */
.categories-section {
    background: var(--color-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--container-padding);
}

/* 6.4 Quality Section */
.quality-section {
    background: var(--color-gray-100);
    text-align: center;
}

.certificates-image {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

.certificates-image img {
    width: 100%;
    height: auto;
}

/* 6.5 Product Feature Sections */
.product-feature-section {
    background: var(--color-white);
}

.product-feature-section.alt-layout {
    background: var(--color-gray-100);
}

.product-feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .product-feature-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.alt-layout .product-feature-content {
    order: 2;
}

@media (min-width: 768px) {
    .alt-layout .product-feature-content {
        order: 2;
    }
    
    .alt-layout .product-feature-image {
        order: 1;
    }
}

.product-feature-content .section-title {
    text-align: left;
}

.product-feature-content .section-description {
    text-align: left;
    margin-left: 0;
}

.product-feature-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.product-feature-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.product-feature-image img {
    width: 100%;
    height: auto;
    transition: var(--transition-slow);
}

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

/* 6.6 About Section */
.about-section {
    background: var(--color-gray-100);
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: var(--container-max-width);
    margin: var(--spacing-3xl) auto 0;
    padding: 0 var(--container-padding);
}

/* 6.7 Portfolio Section */
.portfolio-section {
    background: var(--color-white);
    text-align: center;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: var(--spacing-2xl) auto 0;
    padding: 0 var(--container-padding);
}

/* 6.8 Testimonials Section */
.testimonials-section {
    background: var(--color-gray-100);
    text-align: center;
}

.rating-box {
    margin-bottom: var(--spacing-2xl);
}

.rating-box h3 {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.star {
    font-size: var(--font-size-2xl);
    color: var(--color-gray-300);
}

.star.filled {
    color: #ffc107;
}

.star.half {
    color: #ffc107;
}

.rating-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
}

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

/* 6.9 News Section */
.news-section {
    background: var(--color-white);
    text-align: center;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .news-card.featured {
        grid-column: span 1;
    }
}

/* 6.10 CTA Section */
.cta-section {
    background: var(--color-secondary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-4xl) 0;
}

.cta-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.cta-buttons .btn-outline {
    color: var(--color-white);
    border-color: var(--color-white);
}

.cta-buttons .btn-outline:hover {
    background: var(--color-white);
    color: var(--color-secondary);
}

/* ========================================
   7. Footer
======================================== */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
}

.footer-main {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-column {
    min-width: 0;
}

.footer-title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-list li {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-list a {
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-secondary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
}

.newsletter-form {
    margin-top: var(--spacing-xl);
}

.footer-notice {
    background: var(--color-secondary-dark);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-notice p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid var(--color-secondary-light);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 0;
}

/* ========================================
   8. Utilities
======================================== */
.chat-widget {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: var(--z-fixed);
}

.chat-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.chat-toggle:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.chat-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: none;
}

@media (min-width: 768px) {
    .chat-label {
        display: inline;
    }
}

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: calc(var(--spacing-xl) + 200px);
    width: 48px;
    height: 48px;
    background: var(--color-white);
    color: var(--color-secondary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

@media (max-width: 767px) {
    .back-to-top {
        right: var(--spacing-xl);
        bottom: calc(var(--spacing-xl) + 60px);
    }
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ========================================
   9. Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

/* AOS-like animations */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   10. Media Queries
======================================== */

/* Small devices (landscape phones) */
@media (max-width: 575.98px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-4xl: 4rem;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-content {
        padding: 0 var(--spacing-md);
    }
    
    .btn {
        min-width: 140px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .categories-grid,
    .features-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .product-feature-buttons {
        flex-direction: column;
    }
    
    .product-feature-buttons .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Medium devices (tablets) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .categories-grid,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large devices (desktops) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra large devices */
@media (min-width: 992px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print styles */
@media print {
    .header,
    .chat-widget,
    .back-to-top,
    .hero-scroll-indicator {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        height: auto;
        padding: var(--spacing-2xl) 0;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
}

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

/* Dark mode support (optional enhancement) */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}