:root {

    --primary-color: #1a5f7a;
    --primary-dark: #134a5f;
    --primary-light: #2a7f9a;
    --secondary-color: #c84b31;
    --accent-color: #f9a825;
    
    --dark: #1a1a2e;
    --dark-light: #16213e;
    --gray-dark: #4a4a5a;
    --gray: #6c757d;
    --gray-light: #adb5bd;
    --light: #f8f9fa;
    --white: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(26, 95, 122, 0.95) 0%, rgba(19, 74, 95, 0.9) 100%);

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

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

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

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

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

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

.section-padding {
    padding: 100px 0;
}

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

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

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

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

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

.btn-lg {
    padding: 15px 40px;
    font-size: 1rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 15px 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.nav-link {
    color: var(--white) !important;
    font-weight: 500;
    padding: 8px 16px !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.header-email {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-size: 0.9rem;
}

.header-email:hover {
    color: var(--accent-color);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 5px 10px;
    cursor: pointer;
    transition: var(--transition-normal);
    border-radius: var(--radius-sm);
}

.lang-btn:hover {
    color: var(--white);
}

.lang-btn.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.2);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.4);
}

.hero {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.triangles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(26, 95, 122, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(200, 75, 49, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 100px;
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    max-width: 600px;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.hero-feature i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding-left: 40px;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

.hero-scroll a:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

.about-content {
    padding-right: 30px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--gray-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-advantages {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.about-advantage {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.advantage-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
}

.advantage-text p {
    font-size: 0.95rem;
    color: var(--gray);
    margin: 0;
}

.about-image-wrapper {
    position: relative;
    padding: 20px;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.about-image-placeholder {
    aspect-ratio: 4/3;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    gap: 15px;
}

.about-image-placeholder i {
    font-size: 5rem;
    opacity: 0.8;
}

.about-image-placeholder span {
    font-size: 1.2rem;
    font-weight: 600;
}

.about-experience {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--white);
    padding: 25px 35px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 15px;
}

.experience-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.experience-text {
    font-size: 0.9rem;
    color: var(--gray-dark);
    font-weight: 500;
    line-height: 1.3;
}

.services {
    background-color: #f8fafc;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
}

.service-text {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--gray-dark);
    border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.brand-card {
    background: var(--white);
    padding: 25px 20px;
    border-radius: var(--radius-sm);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.brand-name {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.brand-type {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brands-note {
    color: var(--gray);
    font-size: 0.95rem;
}

.brands-note i {
    color: var(--primary-color);
    margin-right: 5px;
}

.cta-section {
    background: var(--gradient-primary);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.contact-info {
    padding-right: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 35px;
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-text p,
.contact-text a {
    font-size: 0.95rem;
    color: var(--gray-dark);
    margin: 0;
    line-height: 1.6;
}

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

.contact-social {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.contact-social h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 15px;
}

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

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

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

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

.form-control {
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

.form-control::placeholder {
    color: var(--gray-light);
}

.form-success {
    text-align: center;
    padding: 60px 20px;
}

.success-content i {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 20px;
}

.success-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.success-content p {
    color: var(--gray);
}

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

.footer-main {
    padding: 80px 0 50px;
}

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

.footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-cert {
    margin-top: 20px;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 25px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
}

.copyright,
.footer-note {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
    margin: 0;
}

@media (max-width: 991px) {
    .section-padding {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: row;
        padding-left: 0;
        padding-top: 30px;
        border-left: none;
        border-top: 2px solid rgba(255, 255, 255, 0.2);
        justify-content: space-between;
    }
    
    .about-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .about-experience {
        position: relative;
        margin-top: 20px;
        display: inline-flex;
    }
    
    .contact-info {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .contact-form-wrapper {
        padding: 30px;
    }
}

@media (max-width: 767px) {
    .section-padding {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-stats {
        display: none;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .footer-main {
        padding: 50px 0 30px;
    }
    
    .footer-links,
    .footer-contact {
        margin-top: 30px;
    }
}

@media (max-width: 575px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-advantage {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-item {
        flex-direction: column;
        gap: 15px;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

@media print {
    .header,
    .hero-scroll,
    .footer {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
    
    .section-padding {
        padding: 30px 0;
    }
    
    body {
        color: #000;
    }
    
    a {
        text-decoration: underline;
    }
}