:root {
    --color-primary: #E31E1C;
    --color-primary-dark: #C41612;
    --color-white: #FFFFFF;
    --color-dark: #1A1A1A;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E8E8E8;
    --color-gray-dark: #666666;
    --color-text: #333333;
    
    --container-max-width: 1200px;
    --container-padding: 0 20px;
    --section-padding: 60px 20px;
    
    --gap-small: 15px;
    --gap-medium: 30px;
    --gap-large: 40px;
    
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

h1 {
    font-size: 3rem;
    font-weight: bold;
    color: var(--color-primary);
}

h2 {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--color-primary);
}

h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-text);
}

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

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

.header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

.logo img {
    height: 80px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--gap-medium);
}

.nav-link {
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all var(--transition-speed) ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed) ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: all var(--transition-speed) ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 100px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

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

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

section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-dark);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.features {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-medium);
    margin-top: 40px;
}

.feature-card {
    background-color: var(--color-gray-light);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid transparent;
    transition: all var(--transition-speed) ease;
}

.feature-card:hover {
    border-left-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-icon i {
    color: var(--color-primary);
}

.feature-title {
    margin-bottom: 15px;
    color: var(--color-primary);
}

.feature-description {
    color: var(--color-gray-dark);
}

.brands {
    background-color: var(--color-gray-light);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.brand-item {
    background-color: var(--color-white);
    padding: 20px;
    border-radius: 8px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all var(--transition-speed) ease;
    border-top: 3px solid transparent;
}

.brand-item:hover {
    transform: translateY(-5px);
    border-top-color: var(--color-primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.brand-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

.brand-name {
    font-size: 1.2rem;
    color: var(--color-text);
}

.products {
    background-color: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gap-medium);
    margin-top: 40px;
}

.product-card {
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.product-content {
    padding: 30px;
}

.product-title {
    color: var(--color-primary);
    margin-bottom: 15px;
}

.product-description {
    color: var(--color-gray-dark);
}

.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 80px 20px;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: var(--color-white);
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.contact {
    background-color: var(--color-gray-light);
}

.contact-grid {
    margin-top: 40px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-medium);
}

.contact-item {
    background-color: var(--color-white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-title {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.contact-title i {
    margin-right: 8px;
}

.contact-text {
    color: var(--color-gray-dark);
    line-height: 1.8;
}

.contact-text a {
    color: var(--color-primary);
    transition: color var(--transition-speed) ease;
}

.contact-text a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 40px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--gap-large);
    margin-bottom: 30px;
}

.footer-title {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-white);
    transition: color var(--transition-speed) ease;
}

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

.footer-text {
    color: var(--color-gray-medium);
    line-height: 1.8;
}

.footer-text i {
    margin-right: 8px;
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-dark);
    padding-top: 20px;
    text-align: center;
}

.copyright {
    color: var(--color-gray-medium);
    font-size: 0.9rem;
}

.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 80px 20px 60px;
    text-align: center;
}

.page-title {
    color: var(--color-white);
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
}

.about-content {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-large);
    align-items: center;
}

.about-text h2 {
    margin-bottom: 20px;
}

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

.about-image img {
    max-width: 400px;
    margin: 0 auto;
}

.values {
    background-color: var(--color-gray-light);
    padding: var(--section-padding);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-medium);
    margin-top: 40px;
}

.value-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.value-icon i {
    color: var(--color-primary);
}

.value-title {
    color: var(--color-primary);
    margin-bottom: 15px;
}

.value-description {
    color: var(--color-gray-dark);
}

.mission {
    background-color: var(--color-white);
    padding: var(--section-padding);
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mission-content h2 {
    margin-bottom: 25px;
}

.mission-content p {
    margin-bottom: 20px;
    color: var(--color-gray-dark);
    line-height: 1.8;
    font-size: 1.1rem;
}

.products-detail {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.product-detail-card {
    background-color: var(--color-gray-light);
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-detail-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.product-detail-icon i {
    color: var(--color-primary);
}

.product-detail-title {
    margin-bottom: 20px;
}

.product-detail-description {
    color: var(--color-gray-dark);
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.product-features {
    margin-bottom: 25px;
}

.product-features h3 {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.product-features ul {
    list-style: none;
    padding: 0;
}

.product-features li {
    padding: 8px 0;
    color: var(--color-gray-dark);
    font-size: 1rem;
}

.product-brands h3 {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.brands-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.brand-badge {
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    border: 2px solid var(--color-primary);
}

.contact-page {
    padding: var(--section-padding);
    background-color: var(--color-gray-light);
}

.contact-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--gap-large);
}

.contact-form-section,
.contact-info-section {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-form-section h2,
.contact-info-section h2 {
    margin-bottom: 25px;
}

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

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

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-speed) ease;
}

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

.form-group input.valid,
.form-group textarea.valid {
    border-color: #28a745;
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: #dc3545;
}

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

.error-message {
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
    min-height: 20px;
}

.form-feedback {
    padding: 15px;
    border-radius: 4px;
    margin-top: 15px;
    display: none;
    font-weight: 500;
}

.form-feedback.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-feedback.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-gray-medium);
}

.contact-info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-info-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-info-icon i {
    color: var(--color-primary);
}

.contact-info-content h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.contact-info-content p {
    color: var(--color-gray-dark);
    line-height: 1.8;
}

.contact-info-content a {
    color: var(--color-primary);
    transition: color var(--transition-speed) ease;
}

.contact-info-content a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.map-section {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.map-container {
    margin-top: 40px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    display: block;
}