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

:root {
    --primary: #1e3a5f;
    --accent: #ff6b35;
    --background: #ffffff;
    --foreground: #1e3a5f;
    --secondary: #e8eef5;
    --muted: #d4dce8;
    --muted-foreground: #5a6b7f;
    --border: #e2e8f0;
    --card-bg: #f8f9fa;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: white;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--primary);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.125rem;
}

.logo-title {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--primary);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

/* Navigation */
.nav-desktop {
    display: none;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--accent);
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile .nav-link {
    padding: 0.5rem;
    border-radius: 0.375rem;
}

.nav-mobile .nav-link:hover {
    background-color: var(--secondary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    display: flex;
    gap: 0.25rem;
    background-color: var(--secondary);
    border-radius: 0.5rem;
    padding: 0.25rem;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    border: none;
    background-color: transparent;
    color: var(--muted-foreground);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0.375rem;
    transition: all 0.2s;
}

.lang-btn.active {
    background-color: white;
    color: var(--primary);
    box-shadow: var(--shadow);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 1.25rem;
    height: 0.25rem;
    background-color: var(--foreground);
    border-radius: 0.125rem;
    transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(0.5rem, 0.5rem);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(0.5rem, -0.5rem);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary) 0%, #0f2a47 100%);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 24rem;
    height: 24rem;
    background-color: rgba(15, 42, 71, 0.3);
    border-radius: 50%;
    margin-top: -12rem;
    margin-right: -12rem;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24rem;
    height: 24rem;
    background-color: rgba(15, 42, 71, 0.3);
    border-radius: 50%;
    margin-bottom: -12rem;
    margin-left: -12rem;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 48rem;
    animation: fadeIn 0.6s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(0.5rem);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    font-family: 'Poppins', sans-serif;
}

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

.btn-primary:hover {
    background-color: #e55a2b;
    transform: scale(1.05);
}

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

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

/* About Section */
.about {
    padding: 5rem 0;
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

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

.section-title {
    font-size: 2.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--primary);
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 2rem;
}

.about-description {
    font-size: 1rem;
    color: var(--foreground);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.benefits-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-icon {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.benefit-item p {
    color: var(--foreground);
}

.about-stats {
    background: linear-gradient(135deg, var(--primary) 0%, #0f2a47 100%);
    border-radius: 0.5rem;
    padding: 3rem 2rem;
    color: white;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
}

.stat-box {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-box:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
}

/* Catalog Section */
.catalog {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background-color: white;
    color: var(--foreground);
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--accent);
}

.filter-btn.active {
    background-color: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.equipment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.equipment-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
    animation: fadeIn 0.6s ease-out;
}

.equipment-card:hover {
    box-shadow: var(--shadow-lg);
}

.equipment-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.equipment-icon {
    font-size: 2rem;
}

.equipment-badge {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.equipment-name {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.equipment-manufacturer {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.equipment-description {
    font-size: 0.875rem;
    color: var(--foreground);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.equipment-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.spec-label {
    color: var(--muted-foreground);
}

.spec-value {
    font-weight: 600;
    color: var(--foreground);
}

/* Brands Section */
.brands {
    padding: 5rem 0;
    background-color: white;
}

.brands-section {
    margin-bottom: 3rem;
}

.brands-section:last-child {
    margin-bottom: 0;
}

.brands-category-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 2rem;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .brands-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.brand-card {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.brand-card:hover {
    box-shadow: var(--shadow-lg);
}

.brand-name {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.brand-country {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 0.75rem;
}

.brand-category {
    background-color: rgba(255, 107, 53, 0.1);
    color: var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

/* Contact Section */
.contacts {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.contact-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .contact-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-card {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.contact-card:hover {
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background-color: rgba(255, 107, 53, 0.1);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--accent);
}

.contact-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.contact-card p,
.contact-card a {
    font-size: 0.875rem;
    color: var(--foreground);
}

.contact-card a {
    color: var(--accent);
    text-decoration: none;
}

.contact-card a:hover {
    color: #e55a2b;
}

.contact-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #0f2a47 100%);
    border-radius: 0.5rem;
    padding: 3rem 2rem;
    text-align: center;
    color: white;
}

.contact-cta-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.contact-cta-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-col h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo h3 {
    font-weight: bold;
}

.footer-col p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-links li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 767px) {
    .logo-subtitle {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .category-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
}