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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #333333;
    background: #FFFFFF;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    color: #1A1A1A;
    line-height: 1.3;
}

h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1.5rem;
}

strong {
    font-weight: 600;
    color: #1A1A1A;
}

em {
    font-style: italic;
}

a {
    color: #FF6B35;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #E85A2B;
    text-decoration: underline;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #FFFFFF;
    border-bottom: 1px solid #E5E5E5;
    padding: 20px 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1A1A1A;
    text-decoration: none;
}

.back-link {
    font-size: 1rem;
    font-weight: 500;
    color: #FF6B35;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Article */
article {
    padding: 120px 0 60px;
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #E5E5E5;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 0.875rem;
    color: #757575;
    margin-bottom: 1.5rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.subtitle {
    font-size: 1.5rem;
    color: #4A4A4A;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    margin-bottom: 2rem;
    font-style: italic;
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content p:first-of-type {
    font-size: 1.25rem;
    line-height: 1.7;
    color: #2A2A2A;
}

blockquote {
    margin: 2.5rem 0;
    padding: 1.5rem 2rem;
    background: #FAFAFA;
    border-left: 4px solid #FF6B35;
    font-style: italic;
    color: #4A4A4A;
}

blockquote p {
    margin-bottom: 0.5rem;
}

blockquote cite {
    display: block;
    margin-top: 1rem;
    font-size: 0.875rem;
    font-style: normal;
    color: #757575;
}

.checklist {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 1rem;
    padding-left: 0;
}

.checklist li::before {
    content: "✅";
    flex-shrink: 0;
    font-size: 1.25rem;
}

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

.numbered-list li {
    counter-increment: item;
    margin-bottom: 2.5rem;
    padding-left: 0;
}

.numbered-list li h3::before {
    content: counter(item) ". ";
    color: #FF6B35;
    font-weight: 700;
}

.cta-box {
    background: linear-gradient(135deg, #FF6B35 0%, #E85A2B 100%);
    color: #FFFFFF;
    padding: 3rem 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin: 3rem 0;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
}

.cta-box h3 {
    color: #FFFFFF;
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.cta-box p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    background: #FFFFFF;
    color: #FF6B35;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    text-decoration: none;
    color: #E85A2B;
}

.step-box {
    background: #F8F9FA;
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.step-box h3 {
    margin-top: 0;
    color: #FF6B35;
}

.step-box h4 {
    margin-top: 0;
    color: #FF6B35;
}

.highlight-box {
    background: #FFF5F0;
    border-left: 4px solid #FF6B35;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.text-center {
    text-align: center;
}

/* Footer */
footer {
    background: #1A1A1A;
    color: #FFFFFF;
    padding: 40px 0 30px;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
    color: #FFFFFF;
}

.footer-content a {
    color: #FF6B35;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .subtitle {
        font-size: 1.125rem;
    }

    article {
        padding: 100px 0 40px;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-content p:first-of-type {
        font-size: 1.125rem;
    }

    .cta-box {
        padding: 2rem 1.5rem;
    }

    .cta-box h3 {
        font-size: 1.5rem;
    }

    blockquote {
        padding: 1rem 1.5rem;
    }

    .step-box {
        padding: 1.5rem;
    }
}