:root{color-scheme:light;--bg:#f5f7f8;--surface:#fff;--surface-2:#eef1f4;--surface-3:#f9fafb;--text:#15191f;--muted:#586273;--muted-2:#8b94a3;--primary:#0d9488;--primary-strong:#0f766e;--primary-soft:#e6f4f1;--primary-contrast:#fff;--accent:#d97706;--border:#e7eaef;--border-strong:#d6dbe2;--danger:#b91c1c;--danger-bg:#fef2f2;--success:#15803d;--radius:16px;--radius-sm:10px;--radius-pill:999px;--shadow-sm:0 1px 2px #1018280a, 0 1px 3px #1018280d;--shadow:0 1px 2px #1018280a, 0 10px 26px -10px #1018281f;--shadow-lg:0 2px 4px #1018280a, 0 22px 48px -16px #1018282e;--control-h:2.875rem;--container:66rem;--gap:1.1rem;--font:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-num:ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-feature-settings:"kern", "liga", "cv05";margin:0;font-size:17px;line-height:1.65}img,svg{max-width:100%}::selection{background:var(--primary-soft);color:var(--primary-strong)}h1,h2,h3{color:var(--text);text-wrap:balance;font-weight:700;line-height:1.15}h1{letter-spacing:-.025em;margin:0 0 .5rem;font-size:clamp(1.95rem,4.5vw,2.7rem);font-weight:800}h2{letter-spacing:-.015em;font-size:clamp(1.35rem,3vw,1.7rem)}h3{letter-spacing:-.01em;font-size:1.15rem}p{text-wrap:pretty}a{color:var(--primary-strong);text-decoration-color:color-mix(in srgb, var(--primary-strong) 35%, transparent);text-underline-offset:.18em;transition:text-decoration-color .15s,color .15s}a:hover{text-decoration-color:var(--primary-strong)}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:1.25rem}@media (width>=48rem){.container{padding-inline:2rem}}.lede{color:var(--muted);max-width:46rem;margin-top:0;font-size:clamp(1.05rem,2.4vw,1.2rem);line-height:1.6}.skip-link{position:absolute;left:-999px}.skip-link:focus{background:var(--surface);border-radius:var(--radius-sm);box-shadow:var(--shadow);z-index:100;padding:.5rem .8rem;top:.5rem;left:1rem}.site-header{backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--border);z-index:50;background:#ffffffd1;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:1rem;padding-block:.85rem;display:flex}.brand{color:var(--primary-strong);letter-spacing:-.03em;font-size:1.3rem;font-weight:800;text-decoration:none}.site-header nav ul{flex-wrap:wrap;gap:.25rem 1.1rem;margin:0;padding:0;font-size:.95rem;list-style:none;display:flex}.site-header nav a{color:var(--muted);padding:.3rem 0;font-weight:500;text-decoration:none;transition:color .15s}.site-header nav a:hover{color:var(--text)}.site-header nav a[aria-current=page]{color:var(--primary-strong);border-bottom:2px solid var(--primary);font-weight:600}.site-footer{background:var(--surface);border-top:1px solid var(--border);color:var(--muted);margin-top:5rem;padding-block:2.5rem;font-size:.92rem}.site-footer .promise{color:var(--text);font-weight:600}.site-footer nav ul{flex-wrap:wrap;gap:.5rem 1.4rem;margin:.6rem 0;padding:0;list-style:none;display:flex}.site-footer nav a{color:var(--muted);text-decoration:none}.site-footer nav a:hover{color:var(--primary-strong)}.hero{padding-block:3.5rem 2rem}.hero-promise{background:var(--primary-soft);color:var(--primary-strong);border:1px solid color-mix(in srgb, var(--primary) 18%, transparent);border-radius:var(--radius-pill);align-items:center;gap:.4rem;padding:.45rem 1rem;font-size:.9rem;font-weight:600;display:inline-flex}.tool-grid{gap:var(--gap);grid-template-columns:1fr;margin:1.25rem 0;padding:0;list-style:none;display:grid}@media (width>=34rem){.tool-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=52rem){.tool-grid{grid-template-columns:repeat(3,1fr)}}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);height:100%;color:var(--text);box-shadow:var(--shadow-sm);flex-direction:column;gap:.4rem;padding:1.4rem;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex}.tool-card:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb, var(--primary) 35%, var(--border));transform:translateY(-3px)}.tool-card__title{letter-spacing:-.01em;color:var(--text);font-size:1.05rem;font-weight:700}.tool-card__title:after{content:"→";color:var(--primary);opacity:0;margin-left:.4rem;transition:opacity .18s,transform .18s;display:inline-block;transform:translate(-4px)}.tool-card:hover .tool-card__title:after{opacity:1;transform:translate(0)}.tool-card__blurb{color:var(--muted);font-size:.95rem;line-height:1.5}.tool-page{padding-block:2rem 2.5rem}.tool-head{margin-bottom:1.5rem}.tool-interactive{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}@media (width>=48rem){.tool-interactive{padding:2rem}}.tool-content{margin-top:2rem}.prose{max-width:44rem}.prose h2{margin-top:2rem}.prose p{color:var(--muted)}.related{margin-top:3rem}.field{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.field label,.field-label{letter-spacing:.005em;font-size:.9rem;font-weight:600}.field-hint{color:var(--muted);margin:.1rem 0 0;font-size:.82rem;line-height:1.5}input[type=number],input[type=text],input[type=date],input[type=email],select{font:inherit;height:var(--control-h);border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);width:100%;padding:0 .85rem;transition:border-color .15s,box-shadow .15s}select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23586273' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right .85rem center;background-repeat:no-repeat;background-size:1rem;padding-right:2.4rem}input::placeholder{color:var(--muted-2)}input:hover,select:hover{border-color:var(--muted-2)}input:focus-visible,select:focus-visible{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);outline:none}button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn{font:inherit;height:var(--control-h);border-radius:var(--radius-sm);background:var(--primary);color:var(--primary-contrast);cursor:pointer;white-space:nowrap;box-shadow:var(--shadow-sm);border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:0 1.3rem;font-weight:600;transition:background .15s,box-shadow .15s,transform .1s,border-color .15s;display:inline-flex}.btn:hover{background:var(--primary-strong);box-shadow:var(--shadow)}.btn:active{transform:translateY(1px)}.btn--ghost{background:var(--surface);border-color:var(--border-strong);color:var(--text);box-shadow:none}.btn--ghost:hover{background:var(--surface-2);border-color:var(--muted-2)}.segmented{height:var(--control-h);border:1px solid var(--border-strong);border-radius:var(--radius-pill);background:var(--surface-2);align-items:center;gap:2px;padding:4px;display:inline-flex}.segmented button{font:inherit;color:var(--muted);border-radius:var(--radius-pill);cursor:pointer;background:0 0;border:0;height:100%;padding:0 1rem;font-size:.92rem;font-weight:600;transition:background .15s,color .15s,box-shadow .15s}.segmented button:hover{color:var(--text)}.segmented button[aria-pressed=true]{background:var(--surface);color:var(--primary-strong);box-shadow:var(--shadow-sm)}.segmented--fill{width:100%;display:flex}.segmented--fill button{flex:1}.disclaimer{color:var(--muted);border-left:3px solid var(--border-strong);margin-top:1.5rem;padding-left:.9rem;font-size:.9rem}.byline{color:var(--muted);font-size:.88rem}.warn{background:var(--danger-bg);border:1px solid color-mix(in srgb, var(--danger) 30%, transparent);color:var(--danger);border-radius:var(--radius-sm);padding:.8rem 1rem;font-size:.92rem}.ad-slot{background:var(--surface-3);border:1px dashed var(--border-strong);border-radius:var(--radius-sm);color:var(--muted-2);justify-content:center;align-items:center;margin-block:2rem;display:flex;overflow:hidden}.ad-slot__label{letter-spacing:.1em;text-transform:uppercase;font-size:.7rem}.ad-slot--inline{min-height:280px}.ad-slot--sidebar{min-height:600px}.ad-slot--footer{min-height:100px}.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}.storage-note{background:var(--surface-3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);align-items:flex-start;gap:.5rem;margin-top:1rem;padding:.7rem .9rem;font-size:.82rem;line-height:1.5;display:flex}.storage-note svg{color:var(--primary);flex:none;margin-top:.1rem}