/**
 * Premium Content Styles for 대구하수구막힘 Site
 * These styles are used for premium blog posts and landing pages
 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

/* ===== Premium Post Wrapper ===== */
.premium-post-wrapper {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    color: #1e293b;
    line-height: 1.9;
}

/* ===== Hook Banner (Top CTA) ===== */
.hook-banner {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: #fff;
    padding: 24px 30px;
    border-radius: 16px;
    margin-bottom: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.3);
    animation: pulse-banner 2s ease-in-out infinite;
}

@keyframes pulse-banner {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.01); }
}

.hook-banner h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.hook-banner p {
    font-size: 15px;
    opacity: 0.95;
    margin-bottom: 16px;
}

.hook-banner .cta-btn {
    display: inline-block;
    background: #fff;
    color: #dc2626;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.hook-banner .cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ===== Table of Contents ===== */
.toc-box {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 40px;
}

.toc-box h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1a5fb4;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-box li {
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
}

.toc-box li:last-child {
    border-bottom: none;
}

.toc-box a {
    color: #475569;
    text-decoration: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.toc-box a:hover {
    color: #1a5fb4;
    padding-left: 10px;
}

/* ===== Headings ===== */
.section-heading {
    font-size: 26px;
    font-weight: 800;
    color: #1e293b;
    margin: 50px 0 24px;
    padding-bottom: 12px;
    border-bottom: 3px solid #1a5fb4;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-heading .emoji {
    font-size: 32px;
}

.sub-heading {
    font-size: 20px;
    font-weight: 700;
    color: #334155;
    margin: 35px 0 16px;
    padding-left: 16px;
    border-left: 4px solid #f59e0b;
}

/* ===== Paragraphs ===== */
.content-paragraph {
    font-size: 16px;
    line-height: 1.9;
    color: #475569;
    margin-bottom: 20px;
}

/* ===== Highlight Boxes ===== */
.highlight-box {
    padding: 24px 28px;
    border-radius: 16px;
    margin: 30px 0;
}

.highlight-box.warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 5px solid #f59e0b;
}

.highlight-box.danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left: 5px solid #dc2626;
}

.highlight-box.info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left: 5px solid #1a5fb4;
}

.highlight-box.success {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border-left: 5px solid #22c55e;
}

.highlight-box h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlight-box p {
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}

/* ===== Cost Table ===== */
.cost-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.cost-table th {
    background: linear-gradient(135deg, #1a5fb4 0%, #0d3a7a 100%);
    color: #fff;
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 15px;
}

.cost-table td {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 15px;
}

.cost-table tr:last-child td {
    border-bottom: none;
}

.cost-table tr:hover {
    background: #f8fafc;
}

.cost-table .price {
    font-weight: 700;
    color: #1a5fb4;
}

/* ===== Checklist ===== */
.checklist {
    background: #f8fafc;
    border-radius: 16px;
    padding: 28px;
    margin: 30px 0;
}

.checklist h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1e293b;
}

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

.checklist li {
    padding: 12px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 15px;
}

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

.check-icon {
    width: 24px;
    height: 24px;
    background: #22c55e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    flex-shrink: 0;
}

/* ===== Step Guide ===== */
.step-guide {
    margin: 40px 0;
}

.step-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 24px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a5fb4 0%, #0d3a7a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1e293b;
}

.step-content p {
    font-size: 15px;
    color: #64748b;
    margin: 0;
    line-height: 1.7;
}

/* ===== FAQ Accordion ===== */
.faq-accordion {
    margin: 40px 0;
}

.faq-item {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-toggle {
    width: 28px;
    height: 28px;
    background: #1a5fb4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

.faq-answer p {
    font-size: 15px;
    color: #64748b;
    line-height: 1.8;
}

/* ===== Comparison Cards ===== */
.comparison-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.comparison-card {
    padding: 24px;
    border-radius: 16px;
    text-align: center;
}

.comparison-card.bad {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border: 2px solid #fca5a5;
}

.comparison-card.good {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border: 2px solid #86efac;
}

.comparison-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.comparison-card.bad h4 {
    color: #dc2626;
}

.comparison-card.good h4 {
    color: #16a34a;
}

.comparison-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.comparison-card li {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Mid CTA Banner ===== */
.mid-cta {
    background: linear-gradient(135deg, #1a5fb4 0%, #0d3a7a 100%);
    color: #fff;
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    margin: 50px 0;
    box-shadow: 0 15px 40px rgba(26, 95, 180, 0.3);
}

.mid-cta h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}

.mid-cta p {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.mid-cta .phone-number {
    font-size: 32px;
    font-weight: 900;
    display: block;
    margin-bottom: 16px;
}

.mid-cta .cta-btn {
    display: inline-block;
    background: #ff6b35;
    color: #fff;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mid-cta .cta-btn:hover {
    transform: scale(1.05);
    background: #e85a24;
}

/* ===== Statistics Box ===== */
.stats-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 30px 0;
}

.stat-item {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 24px;
    border-radius: 16px;
    text-align: center;
}

.stat-item .number {
    font-size: 36px;
    font-weight: 900;
    color: #1a5fb4;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .label {
    font-size: 14px;
    color: #64748b;
}

/* ===== Tip Box ===== */
.tip-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px dashed #f59e0b;
    border-radius: 16px;
    padding: 24px;
    margin: 30px 0;
}

.tip-box h4 {
    font-size: 17px;
    font-weight: 700;
    color: #b45309;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tip-box p {
    font-size: 15px;
    color: #92400e;
    line-height: 1.7;
    margin: 0;
}

/* ===== Final CTA Box ===== */
.final-cta-box {
    background: linear-gradient(135deg, #ff6b35 0%, #e63946 100%);
    color: #fff;
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    margin: 50px 0 30px;
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.3);
}

.final-cta-box h3 {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 16px;
}

.final-cta-box p {
    font-size: 16px;
    opacity: 0.95;
    margin-bottom: 24px;
}

.final-cta-box .phone-link {
    display: inline-block;
    background: #fff;
    color: #e63946;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 24px;
    font-weight: 900;
    text-decoration: none;
    transition: all 0.3s ease;
}

.final-cta-box .phone-link:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.final-cta-box .sub-info {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

/* ===== Related Posts ===== */
.related-posts {
    background: #f8fafc;
    padding: 32px;
    border-radius: 20px;
    margin: 40px 0;
}

.related-posts h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1e293b;
}

.related-posts ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-posts li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
}

.related-posts li:last-child {
    border-bottom: none;
}

.related-posts a {
    color: #1a5fb4;
    text-decoration: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.related-posts a:hover {
    color: #0d3a7a;
    padding-left: 10px;
}

/* ===== Symptom/Cause Cards ===== */
.symptom-card,
.cause-card,
.smell-type {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px;
    margin: 20px 0;
}

.symptom-card h4,
.cause-card h4,
.smell-type h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.symptom-card .level {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-left: auto;
}

.symptom-card .level.high {
    background: #fee2e2;
    color: #dc2626;
}

.symptom-card .level.medium {
    background: #fef3c7;
    color: #d97706;
}

.symptom-card .level.low {
    background: #dcfce7;
    color: #16a34a;
}

/* ===== Responsive Styles ===== */
@media (max-width: 768px) {
    .premium-post-wrapper {
        padding: 16px;
    }

    .section-heading {
        font-size: 22px;
    }

    .sub-heading {
        font-size: 18px;
    }

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

    .stats-box {
        grid-template-columns: 1fr;
    }

    .mid-cta .phone-number {
        font-size: 26px;
    }

    .final-cta-box .phone-link {
        font-size: 20px;
        padding: 14px 30px;
    }

    .step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}