@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #f8f9fa;
}

.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    max-width: 180px;
    height: auto;
}

.article {
    background: white;
    margin: 2rem auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.article-header {
    text-align: center;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(to bottom, #f0f7ff 0%, white 100%);
}

.meta {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 1.5rem;
}

.advertorial-tag {
    background: #fee2e2;
    color: #dc2626;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category {
    color: #3b82f6;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.3;
    margin-top: 1rem;
}

.article-content {
    padding: 2rem;
}

.featured-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
}

h2 {
    font-size: 1.9rem;
    font-weight: 700;
    color: #1e293b;
    margin: 2.5rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #3b82f6;
}

p {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #334155;
    margin-bottom: 1.25rem;
}

strong {
    color: #1e293b;
    font-weight: 600;
}

a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

a:hover {
    color: #000;
    text-decoration: underline;
}

.numbered-list {
    counter-reset: item;
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0;
}

.numbered-list li {
    counter-increment: item;
    margin-bottom: 1.5rem;
    padding-left: 3.5rem;
    position: relative;
    font-size: 1.4rem;
    line-height: 1.7;
}

.numbered-list li:before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.feature-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-box h3 {
    font-size: 1.4rem;
    color: #1e293b;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkmark {
    width: 24px;
    height: 24px;
    fill: #10b981;
    flex-shrink: 0;
}

.feature-box p {
    margin: 0;
    color: #475569;
    font-size: 1.5rem;
}

.step-box {
    background: white;
    border: 2px solid #e2e8f0;
    padding: 1.75rem;
    margin: 1.25rem 0;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.step-box:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.step-box h3 {
    font-size: 1.15rem;
    color: #1e293b;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.image-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.image-comparison img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cta-button {
    display: block;
    width: 100%;
    max-width: 500px;
    margin: 2.5rem auto;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.footer p {
    color: #cbd5e1;
    font-size: 1.2rem;
    text-align: center;
    margin: 0.75rem 0;
}

.footer a {
    color: #93c5fd;
}

.footer a:hover {
    color: #bfdbfe;
}

.footer-logo {
    max-width: 200px;
    margin: 0 auto 1.5rem;
    display: block;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .numbered-list li {
        padding-left: 3rem;
        font-size: 0.95rem;
    }

    .numbered-list li:before {
        width: 2rem;
        height: 2rem;
        font-size: 0.95rem;
    }

    .article-content {
        padding: 1.5rem;
    }

    .image-comparison {
        grid-template-columns: 1fr;
    }
}