/* ========================
   Reset & Base Styles
   ======================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* ========================
   Container
   ======================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================
   Buttons
   ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.23);
}

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

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

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

/* ========================
   Navigation
   ======================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand .logo i {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
    padding: 8px 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ========================
   Hero Section
   ======================== */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e0e7ff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-badges {
    display: flex;
    gap: 25px;
}

.hero-badges .badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
}

.hero-badges .badge i {
    color: var(--secondary-color);
    font-size: 20px;
}

/* ========================
   Featured Product
   ======================== */
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.hero-image .featured-product {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 40px;
    box-shadow: var(--shadow-xl);
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.hero-image .product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #f59e0b 100%);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
}

.hero-image .product-image i {
    font-size: 120px;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.hero-image .product-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.hero-image .product-info p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 15px;
}

.hero-image .product-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hero-image .old-price {
    text-decoration: line-through;
    color: var(--gray-400);
    font-size: 18px;
}

.hero-image .current-price {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
}

/* ========================
   Featured Section
   ======================== */
.featured-section {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-500);
}

.featured-product-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    background: var(--light-bg);
    border-radius: var(--radius-2xl);
    padding: 60px;
}

.product-image-large {
    text-align: center;
}

.featured-product-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
}

.product-image-large i {
    font-size: 200px;
    color: var(--primary-light);
}

.product-details .product-tag {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 6px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.product-details h3 {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.product-description {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-features {
    margin-bottom: 30px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--gray-600);
    font-size: 15px;
}

.product-features i {
    color: var(--secondary-color);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.product-rating .stars {
    color: var(--accent-color);
    font-size: 18px;
}

.product-rating span {
    color: var(--gray-500);
    font-size: 14px;
}

.product-price-large {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.product-price-large .old-price {
    text-decoration: line-through;
    color: var(--gray-400);
    font-size: 24px;
}

.product-price-large .current-price {
    color: var(--primary-color);
    font-size: 36px;
    font-weight: 700;
}

.product-price-large .save {
    background: var(--secondary-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
}

.product-cta {
    display: flex;
    gap: 15px;
}

/* ========================
   Benefits Section
   ======================== */
.benefits-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    color: var(--white);
    font-size: 30px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.benefit-card p {
    color: var(--gray-500);
    font-size: 14px;
    line-height: 1.6;
}

/* ========================
   Products Section
   ======================== */
.products-section {
    padding: 100px 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    background: var(--gray-100);
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 20px;
}

.product-image img {
    max-width: 100%;
    max-height: 130px;
    object-fit: contain;
    width: auto;
    height: auto;
    padding: 15px;
}

.product-image i {
    font-size: 80px;
    color: var(--primary-light);
}

.product-card .product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: var(--white);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.product-card .product-badge.featured {
    background: var(--accent-color);
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.product-info h3 a {
    color: var(--gray-900);
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-info h3 a:hover {
    color: var(--primary-color);
}

.product-image a {
    display: block;
    position: relative;
    text-decoration: none;
}

.product-info p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 15px;
}

.product-info .product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.product-info .product-rating .stars {
    color: var(--accent-color);
    font-size: 14px;
}

.product-info .product-rating span {
    color: var(--gray-400);
    font-size: 12px;
}

.product-info .product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.product-info .product-price .old-price {
    text-decoration: line-through;
    color: var(--gray-400);
    font-size: 14px;
}

.product-info .product-price .current-price {
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
}

.product-info .btn {
    width: 100%;
    justify-content: center;
}

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

/* ========================
   About Section
   ======================== */
.about-section {
    padding: 100px 0;
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 25px;
}

.about-text p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-text.full-width {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.about-text .notice-text {
    background: var(--warning-light);
    border-left: 4px solid var(--warning-color);
    padding: 20px;
    margin-bottom: 25px;
    border-radius: var(--radius-md);
}

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

.about-text .last-updated {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 30px;
}

.about-text h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 35px;
    margin-bottom: 15px;
}

.about-text ul,
.about-text ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.about-text li {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

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

.about-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
}

.about-image i {
    font-size: 250px;
    color: var(--primary-light);
}

/* ========================
   Testimonials Section
   ======================== */
.testimonials-section {
    padding: 100px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.testimonial-stars {
    color: var(--accent-color);
    font-size: 18px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 18px;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

.author-location {
    font-size: 13px;
    color: var(--gray-400);
}

/* ========================
   Newsletter Section
   ======================== */
.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.newsletter-content p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.newsletter-form {
    display: flex;
    gap: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-family: inherit;
}

.newsletter-form .btn {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: none;
}

/* ========================
   Contact Page Styles
   ======================== */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 20px;
}

.contact-details h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 5px;
}

.contact-details p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

.contact-notice {
    background: #fef3c7;
    border-left: 4px solid var(--accent-color);
    padding: 25px;
    border-radius: var(--radius-lg);
}

.contact-notice h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-notice h4 i {
    color: var(--accent-color);
}

.contact-notice p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================
   FAQ Section
   ======================== */
.faq-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item h3 i {
    color: var(--primary-color);
    font-size: 14px;
}

.faq-item p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
}

/* FAQ Container for Product Pages */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-container .faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-question h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 18px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 25px;
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ========================
   Footer
   ======================== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 28px;
}

.footer-column p {
    color: var(--gray-400);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--gray-400);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 30px;
}

.disclaimer {
    background: var(--gray-800);
    padding: 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    font-size: 12px;
    color: var(--gray-400);
    line-height: 1.8;
}

.disclaimer strong {
    color: var(--accent-color);
}

.footer-bottom p {
    text-align: center;
    color: var(--gray-500);
    font-size: 13px;
}

/* ========================
   Shop Page Styles
   ======================== */
.page-header {
    padding: 120px 0 40px;
    background: var(--gray-100);
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    color: var(--gray-500);
}

.filter-bar {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filter-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.shop-section {
    padding: 40px 0 80px;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-content .btn {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: none;
}

/* ========================
   Product Detail Page
   ======================== */
.product-header {
    padding: 120px 0 20px;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 14px;
}

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

.product-detail-section {
    padding: 40px 0 80px;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 120px;
}

.main-image {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
}

.main-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.main-image i {
    font-size: 200px;
    color: var(--primary-light);
}

.thumbnail-images {
    display: flex;
    gap: 15px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    overflow: hidden;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumbnail i {
    font-size: 30px;
    color: var(--primary-light);
}

.product-content .product-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.product-content .badge {
    padding: 6px 16px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.product-content .badge.featured {
    background: var(--accent-color);
    color: var(--white);
}

.product-content .badge.stock {
    background: var(--secondary-color);
    color: var(--white);
}

.product-content h1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.product-rating-large {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.product-rating-large .stars {
    color: var(--accent-color);
    font-size: 20px;
}

.product-rating-large .rating-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.product-rating-large .review-count {
    color: var(--gray-500);
    font-size: 14px;
}

.product-content .product-description {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 30px;
}

.product-features-list {
    margin-bottom: 30px;
}

.product-features-list h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 15px;
}

.product-features-list ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--gray-600);
    font-size: 15px;
}

.product-features-list i {
    color: var(--secondary-color);
}

.product-actions {
    margin-bottom: 30px;
}

.product-guarantees {
    display: flex;
    gap: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.product-guarantees .guarantee {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-600);
    font-size: 14px;
}

.product-guarantees i {
    color: var(--secondary-color);
    font-size: 20px;
}

/* ========================
   Product Tabs
   ======================== */
.product-tabs-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--gray-200);
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    display: none;
    max-width: 800px;
    margin: 0 auto;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 20px;
}

.tab-content p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.specs-list {
    list-style: none;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.specs-list strong {
    color: var(--gray-900);
}

.reviews-summary {
    text-align: center;
    margin-bottom: 40px;
}

.reviews-summary .overall-rating {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.reviews-summary .rating-number {
    font-size: 72px;
    font-weight: 700;
    color: var(--primary-color);
}

.reviews-summary .total-reviews {
    color: var(--gray-500);
    font-size: 14px;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.review-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviewer-name {
    font-weight: 600;
    color: var(--gray-900);
}

.reviewer-badge {
    background: var(--secondary-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.review-rating {
    color: var(--accent-color);
}

.review-text {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    font-style: italic;
}

/* ========================
   Responsive Styles
   ======================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

    .product-gallery {
        position: static;
    }

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

@media (max-width: 768px) {
    .navbar .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .navbar .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

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

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

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

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

    .featured-product-card {
        padding: 40px 20px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .filter-options {
        flex-wrap: wrap;
    }

    .filter-btn {
        font-size: 13px;
        padding: 8px 16px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .product-content h1 {
        font-size: 32px;
    }

    .product-guarantees {
        flex-direction: column;
        gap: 15px;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 16px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .hero-badges {
        flex-direction: column;
        gap: 15px;
    }

    .hero-badges .badge {
        justify-content: center;
    }
}