:root{--color-text: #0f172a;--color-secondary: #475569;--color-muted: #64748b;--color-bg: #f8fafc;--color-surface: #ffffff;--color-primary: #0f766e;--color-primary-hover: #115e59;--color-soft-teal: #ccfbf1;--color-border: #e2e8f0;--color-info: #2563eb;--color-success: #15803d;--color-warning: #b45309;--color-error: #b91c1c;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 10px 30px rgba(15, 23, 42, .08);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--container: 1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;text-rendering:optimizeLegibility}a{color:var(--color-primary);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:var(--color-primary-hover)}img,svg{max-width:100%}button,input,select,textarea{font:inherit}button{cursor:pointer}:focus-visible{outline:3px solid rgba(15,118,110,.38);outline-offset:3px}.container{width:min(100% - 32px,var(--container));margin-inline:auto}.narrow{width:min(100% - 32px,820px)}.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:8px 12px;background:var(--color-text);color:#fff;z-index:99;border-radius:var(--radius-sm)}.site-header{position:sticky;top:0;z-index:20;background:#fffffff0;border-bottom:1px solid var(--color-border);backdrop-filter:blur(8px)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-text);font-weight:700;text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--color-primary);color:#fff;font-size:18px}.nav{display:flex;align-items:center;gap:18px}.nav a,.tools-menu summary{color:var(--color-secondary);text-decoration:none;font-weight:600;font-size:15px}.nav a:hover,.tools-menu summary:hover{color:var(--color-primary)}.tools-menu{position:relative}.tools-menu summary{list-style:none;cursor:pointer;border:1px solid var(--color-border);padding:8px 12px;border-radius:var(--radius-sm);background:var(--color-surface)}.tools-menu summary::-webkit-details-marker{display:none}.tools-menu-panel{position:absolute;right:0;top:calc(100% + 12px);width:min(92vw,620px);display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-md)}.tools-menu-panel h2{margin:0 0 8px;font-size:15px}.tools-menu-panel a{display:block;margin:6px 0;color:var(--color-secondary);text-decoration:none;font-size:14px}.hero{padding:72px 0 48px}.compact-hero{padding:52px 0 34px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);gap:32px;align-items:center}.eyebrow{margin:0 0 12px;color:var(--color-primary);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px}h1,h2,h3{line-height:1.18;color:var(--color-text)}h1{margin:0 0 16px;font-size:clamp(2.2rem,5vw,3.5rem);letter-spacing:-.03em}h2{margin:0 0 12px;font-size:clamp(1.55rem,3vw,2rem);letter-spacing:-.02em}h3{margin:0 0 10px;font-size:1.18rem}p{margin:0 0 1rem}.lead{color:var(--color-secondary);font-size:clamp(1.05rem,1.7vw,1.22rem);max-width:70ch}.hero-actions,.result-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:700;text-decoration:none}.button.primary{background:var(--color-primary);color:#fff}.button.primary:hover{background:var(--color-primary-hover);color:#fff}.button.secondary{background:#fff;color:var(--color-primary);border-color:var(--color-border)}.button.secondary:hover{border-color:var(--color-primary)}.button:disabled{opacity:.55;cursor:not-allowed}.hero-card,.callout-card,.category-card,.tool-card,.tool-card-main{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.hero-card{padding:24px}.promise-card h2{font-size:1.45rem}.check-list{margin:16px 0 0;padding-left:1.2rem;color:var(--color-secondary)}.hero-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.hero-points span,.chip{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border-radius:999px;background:var(--color-soft-teal);color:var(--color-primary-hover);font-weight:700;font-size:13px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--color-muted);font-size:14px;margin-bottom:18px}.breadcrumbs a{color:var(--color-muted);text-decoration:none}.content-section{padding:40px 0}.section-heading{max-width:760px;margin-bottom:24px}.card-grid{display:grid;gap:18px}.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-card{display:block;padding:22px;color:var(--color-text);text-decoration:none;transition:transform .15s ease,border-color .15s ease}.tool-card:hover{transform:translateY(-2px);border-color:#0f766e61;color:var(--color-text)}.tool-card h2,.tool-card h3{margin-top:14px}.tool-card p,.category-card p{color:var(--color-secondary)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-grid article{padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff}.category-card{padding:22px}.category-card ul{margin:0;padding-left:1.2rem}.category-card li{margin:8px 0}.tool-group+.tool-group{margin-top:48px}.tool-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start;margin-bottom:24px}.tool-shell{margin-bottom:16px}.tool-card-main{padding:clamp(18px,4vw,28px)}.local-badge{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:7px 12px;border:1px solid rgba(15,118,110,.28);border-radius:999px;background:#f0fdfa;color:var(--color-primary-hover);font-weight:700}.tool-note{margin-top:16px;color:var(--color-secondary)}.dropzone,.upload-box{display:grid;place-items:center;text-align:center;min-height:210px;padding:28px;border:2px dashed #99f6e4;border-radius:var(--radius-lg);background:#f0fdfa;transition:border-color .15s ease,background .15s ease;cursor:pointer}.dropzone.dragover{background:#ccfbf1;border-color:var(--color-primary)}.dropzone input,.upload-box input{position:absolute;inline-size:1px;block-size:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.upload-icon{display:inline-grid;place-items:center;width:54px;height:54px;margin-bottom:10px;border-radius:16px;background:var(--color-primary);color:#fff;font-size:28px}.dropzone strong,.upload-box strong{font-size:1.2rem}.dropzone small,.upload-box small{margin-top:6px;color:var(--color-secondary)}.selected-files{margin:18px 0;border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;background:#fff}.file-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--color-border)}.file-row:last-child{border-bottom:0}.file-actions{display:flex;gap:6px}.file-actions button{min-height:36px;padding:6px 10px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff}.helper-text{color:var(--color-muted);font-size:.94rem}.settings-panel{margin-top:18px;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#f8fafc}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}label{display:grid;gap:6px;color:var(--color-text);font-weight:700}input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:var(--radius-sm);background:#fff;color:var(--color-text);padding:11px 12px}textarea{resize:vertical}.checkbox{display:flex;align-items:center;gap:10px;margin-top:12px}.checkbox input{width:auto}.url-tool-panel{display:grid;gap:14px}.process-button{margin-top:18px}.progress-card,.result-card,.error-message{margin-top:18px;padding:18px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:#fff}.progress-label{margin:0 0 10px;font-weight:700;color:var(--color-secondary)}.progress-track{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--color-primary);transition:width .18s ease}.error-message{border-color:#fecaca;background:#fef2f2;color:var(--color-error)}.result-card{border-color:#bbf7d0;background:#f0fdf4}.result-summary dl{display:grid;grid-template-columns:180px 1fr;gap:8px 12px;margin:0}.result-summary dt{font-weight:700}.result-summary dd{margin:0;color:var(--color-secondary);overflow-wrap:anywhere}.metadata-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.94rem}.metadata-table th,.metadata-table td{border:1px solid var(--color-border);text-align:left;padding:8px;vertical-align:top}.metadata-table th{background:#f1f5f9}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-border)}.trust-strip span{display:grid;place-items:center;min-height:52px;background:#ccfbf1;color:var(--color-primary-hover);font-weight:700;text-align:center;padding:8px}.desktop-rail{position:sticky;top:92px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr)}.content-main{max-width:860px}.content-main ul,.content-main ol{padding-left:1.2rem}.content-main li{margin:8px 0}.privacy-note{padding:16px;border:1px solid rgba(15,118,110,.28);border-radius:var(--radius-md);background:#f0fdfa;color:var(--color-secondary)}.safe-ad{margin:28px 0;padding:20px;min-height:120px;display:grid;place-items:center;text-align:center;border:1px dashed #94a3b8;border-radius:var(--radius-md);background:#f8fafc;color:var(--color-muted)}.safe-ad span{display:inline-block;font-weight:700;color:var(--color-secondary)}.safe-ad p{margin:6px auto 0;max-width:56ch;font-size:.92rem}.faq-list details{border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;padding:16px 18px}.faq-list details+details{margin-top:12px}.faq-list summary{cursor:pointer;font-weight:700}.faq-list p{margin-top:12px;color:var(--color-secondary)}.updated-note{color:var(--color-secondary)}.article .safe-ad{margin-top:0}.site-footer{margin-top:64px;padding:48px 0 24px;background:#0f172a;color:#cbd5e1}.site-footer a{color:#e0f2fe;text-decoration:none}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.footer-brand{color:#fff;margin-bottom:12px}.site-footer h2{color:#fff;font-size:1rem}.site-footer nav a{display:block;margin:8px 0}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.94rem}[hidden]{display:none!important}@media(max-width:900px){.nav{display:none}.hero-grid,.tool-page-grid,.footer-grid,.feature-grid,.card-grid.three{grid-template-columns:1fr}.desktop-rail{display:none}.trust-strip{grid-template-columns:repeat(2,1fr)}.form-grid,.tools-menu-panel{grid-template-columns:1fr}}@media(max-width:560px){.container{width:min(100% - 24px,var(--container))}.hero{padding:42px 0 32px}.header-inner{min-height:64px}.brand span:last-child{display:none}.tools-menu-panel{right:-12px}.hero-actions,.result-actions{flex-direction:column}.button{width:100%}.dropzone{min-height:180px;padding:20px}.result-summary dl{grid-template-columns:1fr}}.result-card{border-color:#99f6e4;background:linear-gradient(180deg,#f0fdfa,#fff);box-shadow:var(--shadow-sm)}.result-card h2{display:flex;align-items:center;gap:10px;margin-bottom:18px}.result-card h2:before{content:"✓";display:inline-grid;place-items:center;width:30px;height:30px;border-radius:999px;background:#dcfce7;color:#166534;font-size:17px;font-weight:800}.result-summary .result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0}.result-summary .result-row{min-width:0;padding:12px 14px;border:1px solid #d1fae5;border-radius:var(--radius-md);background:#fff}.result-summary .result-row-wide,.result-summary .result-row-status{grid-column:1 / -1}.result-summary .result-row-status{border-color:#86efac;background:#ecfdf5}.result-summary .result-row dt{margin:0 0 5px;color:var(--color-secondary);font-size:.82rem;font-weight:800;letter-spacing:.02em;text-transform:uppercase}.result-summary .result-row dd{margin:0;color:var(--color-text);font-size:1rem;font-weight:650;line-height:1.45;overflow-wrap:anywhere;word-break:break-word}.result-summary .result-row dd.mono-value{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.92rem;font-weight:600}.result-actions{margin-top:18px}@media(max-width:560px){.result-summary .result-grid{grid-template-columns:1fr}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}.dropzone:focus-within{outline:3px solid rgba(15,118,110,.45);outline-offset:4px;border-color:var(--color-primary)}.footer-owner{color:#e2e8f0;font-size:.94rem}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}.contact-panel{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.7fr);gap:18px;align-items:stretch;margin:18px 0 12px}.contact-card-main,.contact-side-note,.muted-panel,.related-tool-callout{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm)}.contact-card-main{padding:clamp(24px,5vw,36px)}.contact-side-note{padding:24px;background:#f0fdfa}.contact-lead{margin-bottom:18px}.contact-email{display:inline-flex;max-width:100%;overflow-wrap:anywhere;align-items:center;min-height:54px;padding:12px 16px;border:1px solid rgba(15,118,110,.28);border-radius:var(--radius-md);background:#f8fafc;color:var(--color-primary-hover);font-size:clamp(1.05rem,3vw,1.35rem);font-weight:800;text-decoration:none}.contact-email:hover{border-color:var(--color-primary);background:#ecfdf5}.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.compact-list{padding-left:1.1rem}.muted-panel{padding:22px;background:#f8fafc}.tool-page-grid.no-rail{grid-template-columns:minmax(0,1fr);max-width:920px}.related-tool-callout{padding:22px}@media(max-width:760px){.contact-panel{grid-template-columns:1fr}.contact-actions .button{width:100%}}.info-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.info-card{padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}.info-card h3{margin-bottom:8px;color:var(--color-primary-hover);font-size:.95rem}.info-card p{color:var(--color-secondary);margin:0}.content-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.content-split>div{padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fff}.content-callout{padding:24px}.warning-list li::marker{color:var(--color-warning)}.guide-meta-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.guide-meta-list span{display:inline-flex;min-height:28px;align-items:center;padding:4px 10px;border-radius:999px;background:#e0f2fe;color:#075985;font-weight:700;font-size:13px}.content-checklist{display:grid;gap:10px;padding:0;margin:18px 0 0;list-style:none}.content-checklist li{padding:12px 14px;border:1px solid #d1fae5;border-radius:var(--radius-md);background:#f0fdfa}@media(max-width:760px){.info-card-grid,.content-split{grid-template-columns:1fr}}