:root{--ink:#051821;--teal-d:#1A4645;--teal:#266867;--orange:#F58800;--gold:#F8BC24;--paper:#faf9f6;--card:#ffffff;--line:#e2ddd2;--txt2:#41535f;--mono:'IBM Plex Mono',monospace;--head:'Space Grotesk',sans-serif;--body:'Inter',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
a{color:var(--ink);text-decoration:none}
h1,h2,h3,h4{font-family:var(--head)}
.site-head{background:var(--ink);border-bottom:3px solid var(--orange)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:var(--head);font-weight:700;font-size:1.25rem;color:#fff;letter-spacing:.5px}
.brand span{color:var(--orange)}
.site-head nav a{color:#c6d3d8;margin-left:22px;font-size:.92rem;font-weight:500}
.site-head nav a:hover,.site-head nav a.on{color:var(--gold)}
.crumbs{font-size:.8rem;color:var(--txt2);margin:18px 0 10px}
.crumbs a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.layout{display:grid;grid-template-columns:1fr 330px;gap:32px;align-items:start;padding-bottom:48px}
h1{font-size:2rem;line-height:1.2;margin-bottom:8px}
.intro{color:var(--txt2);margin-bottom:18px}
.quick-answer{background:#fff7e8;border:1px solid #f3ddb0;border-left:4px solid var(--gold);padding:14px 16px;font-size:.95rem;margin-bottom:22px;border-radius:0 4px 4px 0}
.calc-widget{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--orange);padding:22px;margin-bottom:24px;box-shadow:0 3px 14px rgba(5,24,33,.07);border-radius:0 0 6px 6px}
.cw-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.cw-title{font-family:var(--head);font-weight:700;font-size:1.15rem}
.cw-badge{font-family:var(--mono);font-size:.65rem;letter-spacing:1.5px;background:var(--teal-d);color:var(--gold);padding:4px 9px;border-radius:2px}
.cw-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.field label{display:flex;align-items:center;gap:6px;font-size:.83rem;font-weight:600;margin-bottom:5px}
.field label em{font-style:normal;color:var(--txt2);font-weight:400}
.field input,.field select{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:4px;font-family:var(--mono);font-size:.95rem;background:#fcfbf8}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal)}
.field input.err{border-color:#c0392b;background:#fdf0ee}
.f-note{font-size:.73rem;color:var(--txt2);margin-top:4px}
.tip-dot{position:relative;width:17px;height:17px;border-radius:50%;border:1.5px solid var(--teal);background:none;color:var(--teal);font-size:.65rem;font-weight:700;cursor:pointer;line-height:1;font-family:var(--mono)}
.tip-bubble{display:none;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);width:230px;background:var(--ink);color:#eef2f5;font-size:.76rem;font-weight:400;line-height:1.5;padding:10px 12px;border-radius:4px;z-index:20;text-align:left}
.tip-bubble::after{content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);border:6px solid transparent;border-top-color:var(--ink)}
.tip-dot.open .tip-bubble,.tip-dot:hover .tip-bubble{display:block}
.presets{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.preset{font-family:var(--mono);font-size:.7rem;padding:4px 9px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;color:var(--txt2)}
.preset.on,.preset:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.btn-calc{margin-top:18px;width:100%;padding:13px;background:var(--orange);border:none;font-family:var(--head);font-weight:700;font-size:1rem;letter-spacing:.5px;cursor:pointer;border-radius:4px;color:#fff}
.btn-calc:hover{background:#d97a00}
.out{margin-top:20px;border-top:1px dashed var(--line);padding-top:16px}
.out-row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 10px;font-size:.92rem}
.out-row:nth-child(odd){background:#f6f4ee}
.out-primary{background:var(--teal-d)!important;color:#fff;border-radius:4px;margin:6px 0}
.out-primary .out-val{color:var(--gold);font-size:1.25rem}
.out-val{font-family:var(--mono);font-weight:600}
.out-val em{font-style:normal;font-size:.75rem;font-weight:400;opacity:.75}
.out-interpret{margin-top:12px;font-size:.86rem;color:var(--txt2);background:#fff7e8;padding:10px 14px;border-radius:4px;border-left:3px solid var(--gold)}
.out-err{color:#c0392b;font-size:.9rem}
.out-tools{margin-top:10px;text-align:right}
.btn-print{font-family:var(--mono);font-size:.72rem;padding:6px 12px;border:1px solid var(--line);background:#fff;border-radius:4px;cursor:pointer;color:var(--txt2)}
.btn-print:hover{border-color:var(--teal);color:var(--teal)}
.ad-unit{margin:22px 0;min-height:90px;text-align:center}
.ad-unit-side{margin:20px 0;min-height:250px}
.guide h2{font-size:1.3rem;margin:30px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--orange)}
.guide h3{font-size:1.05rem;margin:18px 0 8px;color:var(--teal-d)}
.guide p{margin-bottom:12px}
.guide a{color:var(--teal);text-decoration:underline;text-underline-offset:2px;font-weight:500}
.guide ol,.guide ul{margin:0 0 14px 22px}
.guide li{margin-bottom:6px}
.spec-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem}
.spec-table th{background:var(--teal-d);color:#fff;text-align:left;padding:9px 12px;font-family:var(--head);font-size:.82rem}
.spec-table td{padding:8px 12px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.85rem}
.spec-table tr:nth-child(even) td{background:#f6f4ee}
.example-box{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);padding:16px 18px;margin:14px 0;border-radius:0 4px 4px 0}
.example-box .ex-rows{font-family:var(--mono);font-size:.85rem;margin-top:8px}
.example-box .ex-rows div{padding:3px 0;display:flex;justify-content:space-between;border-bottom:1px dashed var(--line)}
.example-box .ex-primary{color:var(--teal-d);font-weight:700}
.entity-links{list-style:none;margin:0 0 14px 0!important}
.entity-links li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:.92rem;margin:0!important}
.entity-links a{font-weight:600}
.faq{border:1px solid var(--line);border-radius:4px;margin-bottom:8px;background:var(--card)}
.faq summary{padding:12px 14px;font-weight:600;cursor:pointer;font-size:.93rem}
.faq p{padding:0 14px 12px;color:var(--txt2);font-size:.9rem}
.freshness-signal{font-size:.8rem;color:var(--txt2);background:#f0efe9;padding:10px 14px;border-radius:4px;margin-top:22px}
.freshness-signal a{color:var(--teal);text-decoration:underline}
.disclaimer{font-size:.78rem;color:var(--txt2);border-top:1px solid var(--line);padding-top:14px;margin-top:18px}
.side-col{position:sticky;top:20px}
.side-box{background:var(--card);border:1px solid var(--line);padding:18px;margin-bottom:20px;border-radius:6px}
.side-box h3{font-size:1rem;margin-bottom:10px;padding-bottom:6px;border-bottom:2px solid var(--orange)}
.side-links{list-style:none}
.side-links li{padding:5px 0;border-bottom:1px dashed #ece8dd;font-size:.88rem}
.side-links a:hover{color:var(--teal)}
.lead-box{background:var(--teal-d);color:#fff;border:none}
.lead-box h3{color:var(--gold);border-color:var(--gold)}
.lead-box p{font-size:.84rem;color:#cfe0de;margin-bottom:12px}
.lead-form input,.lead-form textarea{width:100%;padding:10px 12px;margin-bottom:9px;border:none;border-radius:4px;font-family:var(--body);font-size:.9rem}
.btn-lead{width:100%;padding:12px;background:var(--orange);border:none;font-family:var(--head);font-weight:700;cursor:pointer;border-radius:4px;font-size:.95rem;color:#fff}
.btn-lead:hover{background:#d97a00}
.lead-fine{font-size:.7rem!important;margin-top:8px;color:#9fb8b5!important}
.lead-ok{color:var(--gold);font-weight:600}
.dir-hero{text-align:center;padding:44px 0 30px;max-width:780px;margin:0 auto}
.dir-hero h1{font-size:2.4rem;margin-bottom:12px}
.dir-hero p{color:var(--txt2);margin-bottom:22px}
.dir-hero a{color:var(--teal);text-decoration:underline}
#dir-search{width:100%;max-width:540px;padding:14px 18px;border:2px solid var(--teal-d);border-radius:6px;font-family:var(--mono);font-size:1rem;background:#fff}
#dir-search:focus{outline:none;border-color:var(--orange)}
.cat-sec{margin:38px 0}
.cat-sec h2{font-size:1.5rem;border-bottom:2px solid var(--orange);padding-bottom:6px;margin-bottom:6px}
.cat-sec h2 a{color:inherit}
.cat-desc{color:var(--txt2);font-size:.92rem;margin-bottom:16px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);padding:16px;border-radius:6px;transition:border-color .15s,transform .15s;display:block}
.card:hover{border-color:var(--orange);transform:translateY(-2px)}
.card h3{font-size:.98rem;margin-bottom:5px;color:var(--teal-d)}
.card p{font-size:.8rem;color:var(--txt2);line-height:1.5}
.hub-guide{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--gold);padding:20px;border-radius:0 6px 6px 0;margin:30px 0}
.hub-guide h2{border:none!important;margin-top:0!important}
.site-foot{background:var(--ink);color:#c6d3d8;margin-top:40px;padding:36px 0;border-top:3px solid var(--orange)}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.site-foot h4{color:var(--gold);font-size:.9rem;margin-bottom:10px;letter-spacing:.5px}
.site-foot ul{list-style:none}
.site-foot li{padding:3px 0;font-size:.85rem}
.site-foot a{color:#c6d3d8}
.site-foot a:hover{color:var(--gold)}
.foot-note{font-size:.72rem;color:#7f959d;margin-top:14px}
@media print{.site-head,.site-foot,.side-col,.ad-unit,.crumbs,.guide,.presets{display:none!important}.layout{grid-template-columns:1fr}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.side-col{position:static}.foot-grid{grid-template-columns:1fr}}
@media(max-width:600px){.cw-grid{grid-template-columns:1fr}h1{font-size:1.5rem}.dir-hero h1{font-size:1.7rem}.site-head nav a{margin-left:12px;font-size:.8rem}.tip-bubble{left:auto;right:-10px;transform:none}.tip-bubble::after{left:auto;right:14px;transform:none}}