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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.1rem;
}

.logo img {
    height: 100px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

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

.nav-center {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-center a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-center a:hover {
    opacity: 0.8;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector {
    position: relative;
}

.current-language {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

.current-language:hover {
    background: rgba(255,255,255,0.3);
}

.language-icon {
    font-size: 1.2rem;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    padding: 0.5rem 0;
    min-width: 150px;
    display: none;
}

.language-dropdown.active {
    display: block;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    color: #2c3e50;
    text-decoration: none;
    transition: background 0.3s;
}

.language-option:hover {
    background: #f5f7fa;
}

.language-option.selected {
    background: #e9ecef;
    font-weight: 600;
}

.cta-button {
    background: white;
    color: #667eea;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.hero {
    margin-top: 80px;
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #5a6c7d;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.features {
    max-width: 1200px;
    margin: 5rem auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 35px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature-card p {
    color: #5a6c7d;
    line-height: 1.7;
}

.how-it-works {
    background: white;
    padding: 5rem 2rem;
    margin: 5rem 0;
}

.steps {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    min-width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    color: #2c3e50;
}

.step-content p {
    color: #5a6c7d;
    line-height: 1.7;
    font-size: 1.1rem;
}

.testimonials {
    max-width: 1200px;
    margin: 5rem auto;
    padding: 0 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: #667eea;
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
}

.testimonial-text {
    font-style: italic;
    color: #5a6c7d;
    margin-bottom: 1.5rem;
    padding-top: 2rem;
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: #2c3e50;
}

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 2rem;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    margin-top: 2rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .step {
        flex-direction: column !important;
        text-align: center;
    }

    .nav-center {
        display: none;
    }

    .features-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .logo img {
        height: 100px;
        max-width: 150px;
    }
    
    nav {
        padding: 0 1rem;
    }
}