:root{--bf-primary:#4f46e5;--bf-primary-hover:#4338ca;--bf-bg:#eef2ff;--bf-border:#c7d2fe;--text-main:#1e293b;--text-muted:#475569}
.site-header{position:sticky;top:0;z-index:1000;background:linear-gradient(120deg,#0ea5e9 0%,#60a5fa 45%,#f472b6 100%);color:#fff;box-shadow:0 12px 30px rgba(14,116,144,.18);backdrop-filter:blur(10px) saturate(1.2);padding:0 !important}
.header-wrap{max-width:1200px;margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:#fff;font-weight:800;letter-spacing:.02em;font-size:1.25rem;white-space:nowrap}
.logo img{height:38px;width:auto;aspect-ratio:1024 / 575;object-fit:contain;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.nav-actions{display:flex;align-items:center;gap:.75rem}
.cta-button{background:#111827;color:#fff;border:0;border-radius:999px;padding:.55rem 1rem;font-weight:700;font-size:.95rem;box-shadow:0 10px 24px rgba(17,24,39,.25);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;white-space:nowrap}
.cta-button:hover,.cta-button:focus{transform:translateY(-1px);box-shadow:0 14px 28px rgba(17,24,39,.3);outline:none}
.menu-toggle{display:none;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:12px;padding:.45rem .6rem;font-size:1.2rem;cursor:pointer}
.menu-toggle:focus{outline:2px solid #fff;outline-offset:2px}
.nav{display:flex;gap:.75rem;align-items:center}
.nav-list{display:flex;gap:.6rem;margin:0;padding:0;list-style:none}
.nav-item{position:relative}
.nav-trigger{appearance:none;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.45rem .8rem;border-radius:999px;font:inherit;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;transition:background .2s ease,transform .2s ease;white-space:nowrap}
.nav-trigger:hover,.nav-trigger:focus-within{background:rgba(255,255,255,.2);transform:translateY(-1px)}
.nav-item.open .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.nav-trigger .chip{width:8px;height:8px;background:#ffe29a;border-radius:999px;box-shadow:0 0 0 3px rgba(255,226,154,.2)}
.dropdown{position:absolute;left:0;top:110%;min-width:240px;background:#fff;color:#111827;border-radius:14px;padding:.5rem;box-shadow:0 18px 38px rgba(15,23,42,.2);opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease;z-index:50}
.nav-item:focus-within .dropdown,.nav-item:hover .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.dropdown a{display:block;padding:.55rem .7rem;border-radius:10px;text-decoration:none;color:#111827;font-weight:600;font-size:.95rem;transition:background .2s ease,color .2s ease}
.dropdown a:hover,.dropdown a:focus{background:#eef2ff;color:#1d4ed8;outline:none}
.dropdown .desc{display:block;font-weight:400;font-size:.78rem;color:#6b7280;margin-top:.1rem}
.bf-page{max-width:1120px;margin:0 auto;padding:1rem}
.bf-breadcrumb{max-width:1120px;margin:0 auto .75rem;padding:0 1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.92rem;color:#475569}
.bf-breadcrumb a{color:#4338ca;text-decoration:none;font-weight:600}
.bf-breadcrumb a:hover,.bf-breadcrumb a:focus-visible{text-decoration:underline;outline:none}
.bf-breadcrumb [aria-current="page"]{color:#111827;font-weight:700}
.bf-section{margin:1rem 0 1.5rem;padding:1rem;border-radius:12px;background:var(--card-bg,#fff);box-shadow:var(--card-shadow,0 2px 12px rgba(0,0,0,.06))}
.bf-hero{background:linear-gradient(135deg,#eef2ff 0%,#fff 60%,#f5f3ff 100%);border:1px solid var(--bf-border);text-align:center;padding:2rem 1rem;position:relative;overflow:hidden}
.bf-hero h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.8rem;background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.15}
.bf-hero p{margin:.8rem auto;max-width:80ch;font-size:1.05rem;line-height:1.5;color:var(--text-main)}
.bf-summary{display:inline-block;border:1px solid var(--bf-border);border-radius:99px;background:var(--bf-bg);color:var(--bf-primary-hover);padding:.35rem 1rem;margin-bottom:1rem;font-size:.9rem;font-weight:600}
.bf-cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:.8rem;margin-top:1.5rem}
.bf-btn{min-height:44px;border:1px solid transparent;border-radius:99px;padding:.6rem 1.4rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease,transform .1s ease;font-size:1rem;box-shadow:0 4px 6px -1px rgba(79,70,229,.1),0 2px 4px -1px rgba(79,70,229,.06)}
.bf-btn-primary{background:var(--bf-primary);color:#fff;border-color:var(--bf-primary)}
.bf-btn-primary:hover{background:var(--bf-primary-hover);transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(79,70,229,.25)}
.bf-btn-secondary{background:#fff;color:var(--text-main);border-color:#cbd5e1}
.bf-btn-secondary:hover{background:#f8fafc;border-color:#94a3b8;transform:translateY(-2px);box-shadow:0 4px 6px -1px rgba(0,0,0,.05)}
.bf-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1.5rem 0 0;padding:0;list-style:none}
.bf-badges li{border:1px solid #e2e8f0;border-radius:999px;padding:.4rem .85rem;font-size:.9rem;background:rgba(255,255,255,.8);color:var(--text-muted);display:flex;align-items:center;gap:.4rem;font-weight:500}
.bf-badges li::before{content:"✓";color:#4f46e5;font-weight:800}
.bf-tool-core{border:2px solid #a5b4fc;background:linear-gradient(180deg,#eef2ff 0%,#ffffff 100%)}
.bf-grid{display:grid;gap:1.25rem}
.bf-label{display:block;margin-bottom:.4rem;font-weight:600;color:var(--text-main)}
.bf-input{width:100%;min-height:44px;border:1px solid #94a3b8;border-radius:10px;padding:.62rem .75rem;font:inherit;background:#fff;color:#0f172a}
.bf-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;background:#f1f5f9;padding:.3rem;border-radius:12px;display:inline-flex}
.bf-tab{flex:1;border:none;background:transparent;padding:.6rem 1.2rem;border-radius:8px;font-weight:600;color:#64748b;cursor:pointer;transition:background .2s}
.bf-tab[aria-selected="true"]{background:#fff;color:var(--bf-primary);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.bf-gender-group{display:flex;gap:1.5rem;margin-bottom:1.2rem}
.bf-radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:600;color:var(--text-main)}
.bf-radio{width:1.2rem;height:1.2rem;accent-color:var(--bf-primary)}
.bf-field-group{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
.bf-result-card{background:#fff;border-radius:12px;padding:1.5rem;text-align:center;border:1px solid var(--bf-border);margin-top:1.5rem;display:grid;gap:1rem}
.bf-score-wrap{background:var(--bf-bg);border-radius:12px;padding:1.5rem}
.bf-score{font-size:3rem;font-weight:800;color:var(--bf-primary);line-height:1;margin-bottom:.2rem;display:block}
.bf-score-label{font-size:.95rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.bf-cat-pill{display:inline-block;padding:.25rem .75rem;border-radius:99px;font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:#fff;background:#94a3b8;margin-top:.5rem}
.bf-mass-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.5rem}
.bf-mass-item{border:1px solid #e2e8f0;border-radius:10px;padding:1rem;background:#fff}
.bf-mass-val{display:block;font-size:1.5rem;font-weight:700;color:#1e293b}
.bf-mass-lbl{font-size:.85rem;color:var(--text-muted)}
.bf-content h2{font-size:1.6rem;color:#111827;margin-top:2rem;margin-bottom:1rem;border-bottom:1px solid #e2e8f0;padding-bottom:.5rem}
.bf-content h3{font-size:1.25rem;color:#334155;margin-top:1.5rem;margin-bottom:.75rem}
.bf-content p,.bf-content li{line-height:1.8;color:var(--text-main);margin-bottom:1rem}
.bf-content ul{margin:.5rem 0 .3rem 1.2rem;padding-left:1.2rem}
.bf-table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem}
.bf-table th,.bf-table td{padding:.75rem;border:1px solid #e2e8f0;text-align:left}
.bf-table th{background:#f8fafc;font-weight:600;color:var(--text-main)}
.bf-table tr:nth-child(even){background:#fcfdfd}
.bf-table tr:hover{background:#f1f5f9}
.bf-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1rem}
.bf-related-card{display:block;padding:1.25rem;background:#fff;border:1px solid var(--bf-border);border-radius:10px;text-decoration:none;transition:all .2s ease;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.bf-related-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(79,70,229,.1);border-color:var(--bf-primary)}
.bf-related-card h3{margin:0 0 .25rem 0;font-size:1.05rem;font-weight:600;color:var(--text-main);display:flex;align-items:center;gap:.5rem}
.bf-related-card p{margin:0;font-size:.9rem;color:var(--text-muted);line-height:1.4}
.bf-related-icon{display:inline-flex;align-items:center;justify-content:center;width:1.5rem}
@media print{.site-header,.site-footer,.bf-hero,.bf-tabs,.bf-related,.bf-faq,.bf-breadcrumb{display:none}.bf-page{max-width:100%}.bf-section{box-shadow:none;border:none}}
.bf-hidden{display:none}
.bf-input:focus-visible{outline:3px solid #a5b4fc;outline-offset:2px}
@media (max-width:980px){.menu-toggle{display:inline-flex}.nav{position:absolute;left:0;right:0;top:100%;background:#0f172a;padding:.75rem 1rem 1rem;display:none;flex-direction:column;align-items:stretch;gap:.75rem}.nav.open{display:flex}.nav-list{flex-direction:column;gap:.6rem}.dropdown{position:static;opacity:1;pointer-events:auto;transform:none;background:rgba(255,255,255,.12);color:#fff}.dropdown a{color:#fff}.dropdown a:hover,.dropdown a:focus{background:rgba(255,255,255,.18);color:#fff}.dropdown .desc{color:#e2e8f0}}
body.tools-page .header-wrap{padding:.45rem .75rem}body.tools-page .logo img{height:30px}
@media (max-width:600px){.footer-container{padding:0 1rem}.footer-links{gap:.7rem}.bf-field-group{grid-template-columns:1fr}.bf-mass-grid{grid-template-columns:1fr}.bf-page{padding:.75rem}.bf-section{padding:.9rem}.bf-hero{padding:1.5rem .9rem}.bf-related-grid{grid-template-columns:1fr}.bf-btn{width:100%}}