body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.header {
    position: relative;
    text-align: center;
    padding: 20px 0;
    margin-bottom: 40px;
}

.header-logo {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.header .logo {
    width: 170px;
}

.hero-section {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    color: white;
}

.hero-section h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-section p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: white;
    color: #667eea;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.converters-list {
    background: white;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.converters-list h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 600;
    text-align: center;
}

.converter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.converter-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.converter-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.converter-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #764ba2;
}

.converter-item p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.5;
}

.common-conversions-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    color: white;
}

.common-conversions-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.common-conversions-section ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.common-conversions-section li a {
    display: block;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.common-conversions-section li a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .header {
        display: flex;
        align-items: center;
    }

    .header-logo {
        position: static;
        transform: none;
        margin-right: 15px;
    }

    .header .logo {
        width: 100px;
    }

    .header-title {
        flex-grow: 1;
        text-align: center;
    }

    .header h1 {
        font-size: 2rem;
    }
}