.spf-checker-container[data-astro-cid-2rfyiarn]{max-width:1200px;margin:0 auto;padding:var(--spacing-06)}.search-section[data-astro-cid-2rfyiarn]{margin-bottom:var(--spacing-08)}.search-card[data-astro-cid-2rfyiarn]{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;padding:var(--spacing-08);color:#fff;box-shadow:0 20px 60px #667eea4d}.search-header[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-03);margin-bottom:var(--spacing-04)}.icon-search[data-astro-cid-2rfyiarn]{color:#ffffffe6}.search-header[data-astro-cid-2rfyiarn] h2[data-astro-cid-2rfyiarn]{margin:0;font-size:1.75rem;font-weight:700}.search-description[data-astro-cid-2rfyiarn]{margin-bottom:var(--spacing-06);opacity:.95;font-size:1.05rem}.input-group[data-astro-cid-2rfyiarn]{display:flex;gap:var(--spacing-03);margin-bottom:var(--spacing-05)}#domainInput[data-astro-cid-2rfyiarn]{flex:1;padding:var(--spacing-04) var(--spacing-05);border:2px solid rgba(255,255,255,.2);border-radius:12px;background:#fffffff2;font-size:1.1rem;color:#2d3748;transition:all .3s ease}#domainInput[data-astro-cid-2rfyiarn]:focus{outline:none;border-color:#fff;background:#fff;box-shadow:0 4px 20px #0000001a}.btn-primary[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-02);padding:var(--spacing-04) var(--spacing-06);background:#fff;color:#667eea;border:none;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #0000001a}.btn-primary[data-astro-cid-2rfyiarn]:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.btn-icon[data-astro-cid-2rfyiarn]{transition:transform .3s ease}.btn-primary[data-astro-cid-2rfyiarn]:hover .btn-icon[data-astro-cid-2rfyiarn]{transform:translate(4px)}.quick-examples[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-03);flex-wrap:wrap}.examples-label[data-astro-cid-2rfyiarn]{opacity:.9;font-size:.9rem}.example-domain[data-astro-cid-2rfyiarn]{padding:var(--spacing-02) var(--spacing-04);background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:8px;color:#fff;font-size:.9rem;cursor:pointer;transition:all .2s ease}.example-domain[data-astro-cid-2rfyiarn]:hover{background:#ffffff4d;transform:translateY(-1px)}.loading-state[data-astro-cid-2rfyiarn],.error-state[data-astro-cid-2rfyiarn]{text-align:center;padding:var(--spacing-10)}.spinner[data-astro-cid-2rfyiarn]{width:50px;height:50px;margin:0 auto var(--spacing-04);border:4px solid rgba(102,126,234,.1);border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-icon[data-astro-cid-2rfyiarn]{color:#e53e3e;margin-bottom:var(--spacing-04)}.error-state[data-astro-cid-2rfyiarn] h3[data-astro-cid-2rfyiarn]{color:#e53e3e;margin-bottom:var(--spacing-03)}.btn-secondary[data-astro-cid-2rfyiarn]{padding:var(--spacing-03) var(--spacing-06);background:#667eea;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-secondary[data-astro-cid-2rfyiarn]:hover{background:#5a67d8;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.results-section[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-06)}.result-card[data-astro-cid-2rfyiarn]{background:#fff;border-radius:16px;padding:var(--spacing-06);box-shadow:0 4px 20px #00000014;border:1px solid rgba(0,0,0,.05)}.card-header[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-03);margin-bottom:var(--spacing-05);padding-bottom:var(--spacing-04);border-bottom:2px solid #f7fafc}.card-icon[data-astro-cid-2rfyiarn]{color:#667eea}.card-header[data-astro-cid-2rfyiarn] h3[data-astro-cid-2rfyiarn]{margin:0;font-size:1.25rem;color:#2d3748}.info-grid[data-astro-cid-2rfyiarn]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-05)}.info-item[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-02)}.info-label[data-astro-cid-2rfyiarn]{font-size:.875rem;color:#718096;font-weight:500}.info-value[data-astro-cid-2rfyiarn]{font-size:1.125rem;color:#2d3748;font-weight:600}.spf-record-display[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-04)}.record-raw[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-03)}.record-label[data-astro-cid-2rfyiarn]{font-size:.875rem;color:#718096;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.record-code[data-astro-cid-2rfyiarn]{display:block;padding:var(--spacing-04);background:#f7fafc;border-radius:8px;color:#667eea;font-family:Monaco,Courier New,monospace;font-size:.95rem;word-break:break-all;border-left:4px solid #667eea}.mechanisms-container[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-04)}.mechanism-box[data-astro-cid-2rfyiarn]{padding:var(--spacing-04);background:#f7fafc;border-radius:12px;border-left:4px solid #667eea}.mechanism-type[data-astro-cid-2rfyiarn]{display:inline-block;padding:var(--spacing-01) var(--spacing-03);background:#667eea;color:#fff;border-radius:6px;font-size:.875rem;font-weight:600;margin-bottom:var(--spacing-02)}.mechanism-value[data-astro-cid-2rfyiarn]{display:block;color:#2d3748;font-weight:600;margin-bottom:var(--spacing-02);font-size:1.05rem}.mechanism-description[data-astro-cid-2rfyiarn]{color:#4a5568;font-size:.9rem;margin:0}.warnings-container[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-03)}.warning-item[data-astro-cid-2rfyiarn]{display:flex;align-items:flex-start;gap:var(--spacing-03);padding:var(--spacing-04);background:#fef5e7;border-radius:8px;border-left:4px solid #f59e0b}.warning-item[data-astro-cid-2rfyiarn].error{background:#fed7d7;border-left-color:#e53e3e}.warning-item[data-astro-cid-2rfyiarn].success{background:#c6f6d5;border-left-color:#38a169}.warning-icon[data-astro-cid-2rfyiarn]{flex-shrink:0;width:20px;height:20px;color:#f59e0b}.warning-item[data-astro-cid-2rfyiarn].error .warning-icon[data-astro-cid-2rfyiarn]{color:#e53e3e}.warning-item[data-astro-cid-2rfyiarn].success .warning-icon[data-astro-cid-2rfyiarn]{color:#38a169}.warning-text[data-astro-cid-2rfyiarn]{color:#744210;font-size:.95rem;margin:0}.warning-item[data-astro-cid-2rfyiarn].error .warning-text[data-astro-cid-2rfyiarn]{color:#742a2a}.warning-item[data-astro-cid-2rfyiarn].success .warning-text[data-astro-cid-2rfyiarn]{color:#22543d}.hidden[data-astro-cid-2rfyiarn]{display:none!important}.seo-section[data-astro-cid-2rfyiarn]{background:linear-gradient(180deg,#f7fafc,#fff);margin-top:var(--spacing-10);padding:var(--spacing-10) var(--spacing-04)}.seo-container[data-astro-cid-2rfyiarn]{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:var(--spacing-08)}.seo-card[data-astro-cid-2rfyiarn]{background:#fff;border-radius:20px;padding:var(--spacing-08);box-shadow:0 4px 24px #0000000f;border:1px solid rgba(102,126,234,.1);transition:all .3s ease}.seo-card[data-astro-cid-2rfyiarn]:hover{box-shadow:0 8px 32px #667eea1f;transform:translateY(-2px)}.seo-card-header[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-04);margin-bottom:var(--spacing-06)}.seo-icon[data-astro-cid-2rfyiarn]{color:#667eea}.seo-card-header[data-astro-cid-2rfyiarn] h2[data-astro-cid-2rfyiarn]{margin:0;color:#2d3748;font-size:1.75rem;font-weight:700}.seo-card[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#4a5568;line-height:1.8;font-size:1.05rem;margin-bottom:var(--spacing-04)}.features-grid[data-astro-cid-2rfyiarn]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-06)}.feature-item[data-astro-cid-2rfyiarn]{text-align:center;padding:var(--spacing-05)}.feature-icon[data-astro-cid-2rfyiarn]{font-size:2.5rem;margin-bottom:var(--spacing-03)}.feature-item[data-astro-cid-2rfyiarn] h3[data-astro-cid-2rfyiarn]{color:#2d3748;font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-03)}.feature-item[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#718096;font-size:.95rem;line-height:1.6;margin:0}.mechanisms-explained[data-astro-cid-2rfyiarn]{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-05)}.mechanism-item[data-astro-cid-2rfyiarn]{padding:var(--spacing-05);background:linear-gradient(135deg,#f7fafc,#edf2f7);border-radius:12px;border-left:4px solid #667eea}.mechanism-item[data-astro-cid-2rfyiarn] strong[data-astro-cid-2rfyiarn]{display:block;color:#2d3748;font-size:1.05rem;margin-bottom:var(--spacing-02);font-family:Monaco,Courier New,monospace}.mechanism-item[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#4a5568;font-size:.95rem;margin:0}.qualifiers-grid[data-astro-cid-2rfyiarn]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-05)}.qualifier-item[data-astro-cid-2rfyiarn]{display:flex;align-items:center;gap:var(--spacing-04);padding:var(--spacing-05);background:#f7fafc;border-radius:12px}.qualifier-symbol[data-astro-cid-2rfyiarn]{flex-shrink:0;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;font-family:Monaco,Courier New,monospace;color:#fff}.qualifier-symbol[data-astro-cid-2rfyiarn].pass{background:#38a169}.qualifier-symbol[data-astro-cid-2rfyiarn].fail{background:#e53e3e}.qualifier-symbol[data-astro-cid-2rfyiarn].softfail{background:#f59e0b}.qualifier-symbol[data-astro-cid-2rfyiarn].neutral{background:#718096}.qualifier-content[data-astro-cid-2rfyiarn] strong[data-astro-cid-2rfyiarn]{display:block;color:#2d3748;margin-bottom:var(--spacing-02)}.qualifier-content[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#4a5568;font-size:.95rem;margin:0}.faq-container[data-astro-cid-2rfyiarn]{display:flex;flex-direction:column;gap:var(--spacing-06)}.faq-item[data-astro-cid-2rfyiarn]{padding:var(--spacing-05);background:#f7fafc;border-radius:12px}.faq-item[data-astro-cid-2rfyiarn] h3[data-astro-cid-2rfyiarn]{color:#2d3748;font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-03)}.faq-item[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#4a5568;line-height:1.7;margin:0}.highlight-card[data-astro-cid-2rfyiarn]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.highlight-card[data-astro-cid-2rfyiarn] .seo-icon[data-astro-cid-2rfyiarn],.highlight-card[data-astro-cid-2rfyiarn] .seo-card-header[data-astro-cid-2rfyiarn] h2[data-astro-cid-2rfyiarn]{color:#fff}.highlight-card[data-astro-cid-2rfyiarn] .seo-card[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#fffffff2}.tips-grid[data-astro-cid-2rfyiarn]{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-05)}.tip-item[data-astro-cid-2rfyiarn]{padding:var(--spacing-05);background:#ffffff26;border-radius:12px;border:1px solid rgba(255,255,255,.2)}.tip-badge[data-astro-cid-2rfyiarn]{display:inline-block;padding:var(--spacing-01) var(--spacing-03);background:#ffffffe6;color:#667eea;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-03)}.tip-item[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#fff;margin:0;font-size:.95rem}.trust-section[data-astro-cid-2rfyiarn]{background:#fff;border-radius:16px;padding:var(--spacing-06);border:2px solid #667eea;box-shadow:0 4px 20px #667eea1a}.trust-badge[data-astro-cid-2rfyiarn]{display:flex;align-items:flex-start;gap:var(--spacing-04);margin-bottom:var(--spacing-04)}.trust-badge[data-astro-cid-2rfyiarn] svg[data-astro-cid-2rfyiarn]{color:#667eea;flex-shrink:0}.trust-badge[data-astro-cid-2rfyiarn] strong[data-astro-cid-2rfyiarn]{display:block;color:#2d3748;font-size:1.125rem;margin-bottom:var(--spacing-02)}.trust-badge[data-astro-cid-2rfyiarn] p[data-astro-cid-2rfyiarn]{color:#718096;margin:0}.last-updated[data-astro-cid-2rfyiarn]{color:#a0aec0;font-size:.875rem;text-align:center;padding-top:var(--spacing-04);border-top:1px solid #e2e8f0}@media (max-width: 768px){.spf-checker-container[data-astro-cid-2rfyiarn]{padding:var(--spacing-04)}.search-card[data-astro-cid-2rfyiarn]{padding:var(--spacing-06)}.input-group[data-astro-cid-2rfyiarn]{flex-direction:column}.info-grid[data-astro-cid-2rfyiarn]{grid-template-columns:1fr}.seo-card[data-astro-cid-2rfyiarn]{padding:var(--spacing-06)}.mechanisms-explained[data-astro-cid-2rfyiarn],.qualifiers-grid[data-astro-cid-2rfyiarn],.tips-grid[data-astro-cid-2rfyiarn],.features-grid[data-astro-cid-2rfyiarn]{grid-template-columns:1fr}}