:root{--ink:#111827;--ink-soft:#374151;--ink-muted:#6B7280;--ink-faint:#9CA3AF;--paper:#FAFAF8;--paper-2:#F3F4F0;--paper-3:#E8E9E3;--emerald:#059669;--emerald-light:#10B981;--emerald-pale:#D1FAE5;--amber:#D97706;--amber-pale:#FEF3C7;--red:#DC2626;--red-pale:#FEE2E2;--blue:#2563EB;--blue-pale:#DBEAFE;--border:#E5E7EB;--radius:10px;--radius-lg:16px;--shadow:0 4px 16px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.12);--px:max(24px,calc(50vw - 580px))}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.nav{position:sticky;top:0;z-index:200;background:rgba(250,250,248,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:60px;display:flex;align-items:center;padding:0 var(--px);gap:24px}
.nav-logo{font-family:'Fraunces',serif;font-size:20px;font-weight:700;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:6px;flex-shrink:0}
.nav-dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);animation:breathe 3s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.4)}}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{font-size:13px;font-weight:500;color:var(--ink-muted);text-decoration:none;padding:6px 12px;border-radius:6px;transition:all .15s}
.nav-link:hover,.nav-link.active{color:var(--ink);background:var(--paper-2)}
.nav-actions{display:flex;gap:8px;align-items:center}
.lang-switch{font-size:12px;font-weight:600;color:var(--ink-muted);text-decoration:none;padding:5px 10px;border:1px solid var(--border);border-radius:6px;transition:all .15s}
.lang-switch:hover{color:var(--ink);border-color:var(--ink-muted)}
.btn{display:inline-flex;align-items:center;gap:6px;font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;font-weight:600;border:none;border-radius:var(--radius);padding:9px 20px;cursor:pointer;text-decoration:none;transition:all .18s;white-space:nowrap}
.btn-ghost{background:transparent;color:var(--ink-muted)}.btn-ghost:hover{background:var(--paper-2);color:var(--ink)}
.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--ink-soft);transform:translateY(-1px)}
.btn-emerald{background:var(--emerald);color:#fff}.btn-emerald:hover{background:var(--emerald-light);transform:translateY(-1px);box-shadow:0 4px 16px rgba(5,150,105,.3)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--border)}.btn-outline:hover{border-color:var(--ink-muted)}
.btn-lg{padding:13px 28px;font-size:15px;border-radius:12px}
.btn-sm{padding:6px 14px;font-size:13px}
.section{padding:80px var(--px)}.section-alt{background:var(--paper-2)}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--emerald);margin-bottom:12px}
.title{font-family:'Fraunces',serif;font-size:clamp(28px,3.5vw,46px);font-weight:700;color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin-bottom:16px}
.subtitle{font-size:17px;color:var(--ink-muted);line-height:1.7;max-width:520px}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-muted);padding:16px var(--px);border-bottom:1px solid var(--border)}
.breadcrumb a{color:var(--ink-muted);text-decoration:none}.breadcrumb a:hover{color:var(--ink)}
.breadcrumb-sep{color:var(--ink-faint)}
.badge{font-size:10px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:3px 10px;border-radius:99px}
.badge-green{background:var(--emerald-pale);color:var(--emerald)}
.badge-amber{background:var(--amber-pale);color:var(--amber)}
.badge-blue{background:var(--blue-pale);color:var(--blue)}
footer{background:var(--ink);color:rgba(255,255,255,.5);padding:48px var(--px)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-logo{font-family:'Fraunces',serif;font-size:20px;font-weight:700;color:#fff;text-decoration:none;display:flex;align-items:center;gap:6px;margin-bottom:12px}
.footer-desc{font-size:13px;line-height:1.7;max-width:280px}
.footer-col h4{font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.4);text-decoration:none;margin-bottom:8px;transition:color .15s}
.footer-col a:hover{color:rgba(255,255,255,.85)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;flex-wrap:wrap;gap:8px}
.modal-bg{display:none;position:fixed;inset:0;z-index:500;background:rgba(17,24,39,.55);backdrop-filter:blur(6px);align-items:center;justify-content:center;padding:20px}
.modal-bg.open{display:flex}
.modal{background:var(--paper);border-radius:var(--radius-lg);padding:36px;width:100%;max-width:440px;box-shadow:var(--shadow-lg);position:relative}
.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:18px;color:var(--ink-faint);cursor:pointer}
.modal-title{font-family:'Fraunces',serif;font-size:26px;font-weight:700;margin-bottom:6px}
.modal-desc{font-size:15px;color:var(--ink-muted);margin-bottom:24px}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
.form-field input,.form-field select{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;background:var(--paper);color:var(--ink);outline:none;transition:border-color .15s}
.form-field input:focus,.form-field select:focus{border-color:var(--emerald)}
.toast{position:fixed;bottom:24px;right:24px;z-index:9999;background:var(--ink);color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);display:none}
.toast.show{display:block}.toast.ok{background:var(--emerald)}.toast.err{background:var(--red)}
/* TEST ENGINE SHARED */
.test-card{background:var(--paper);border:1.5px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.test-hdr{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--border)}
.test-hdr-title{font-size:13px;font-weight:700;color:var(--ink)}
.test-hdr-sub{font-size:11px;color:var(--ink-faint)}
.test-hdr-right{display:flex;align-items:center;gap:10px}
.prog-text{font-size:13px;color:var(--ink-muted);font-variant-numeric:tabular-nums}
.prog-bar-wrap{width:80px;height:4px;background:var(--paper-3);border-radius:99px}
.prog-bar{height:100%;background:var(--emerald);border-radius:99px;transition:width .4s}
.timer{font-size:13px;font-weight:700;color:var(--ink);padding:4px 10px;background:var(--paper-2);border-radius:6px;border:1px solid var(--border)}
.timer.warn{color:var(--amber)}.timer.danger{color:var(--red);animation:tp 1s infinite}
@keyframes tp{0%,100%{opacity:1}50%{opacity:.5}}
.qwrap{padding:28px 24px}
.q-eyebrow{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--emerald);margin-bottom:8px}
.q-text{font-size:17px;font-weight:500;color:var(--ink);line-height:1.55;margin-bottom:6px}
.q-src{font-size:11px;color:var(--ink-faint);margin-bottom:20px;font-style:italic}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;align-items:flex-start;gap:12px;padding:13px 16px;border:1.5px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .18s;font-size:14px;color:var(--ink-soft);background:var(--paper);user-select:none;line-height:1.5}
.opt:hover:not(.dis){border-color:var(--ink-soft);background:var(--paper-2)}
.opt.ok{border-color:var(--emerald);background:var(--emerald-pale);color:#065F46}
.opt.ko{border-color:var(--red);background:var(--red-pale);color:#991B1B}
.opt.dis{cursor:default}
.opt-l{width:24px;height:24px;min-width:24px;border-radius:5px;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--ink-faint);flex-shrink:0;margin-top:1px;transition:all .18s}
.opt.ok .opt-l{background:var(--emerald);border-color:var(--emerald);color:#fff}
.opt.ko .opt-l{background:var(--red);border-color:var(--red);color:#fff}
.fb{display:none;margin-top:14px;border-radius:var(--radius);padding:13px 16px;font-size:13px;line-height:1.65}
.fb.show{display:block}
.fb.good{background:var(--emerald-pale);color:#065F46;border:1px solid rgba(5,150,105,.2)}
.fb.bad{background:var(--red-pale);color:#991B1B;border:1px solid rgba(220,38,38,.2)}
.test-ftr{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-top:1px solid var(--border)}
.t-result{display:none;padding:40px 24px;text-align:center}
.r-circle{width:88px;height:88px;border-radius:50%;margin:0 auto 18px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Fraunces',serif}
.r-circle.good{background:var(--emerald-pale);border:4px solid var(--emerald);color:var(--emerald)}
.r-circle.mid{background:var(--amber-pale);border:4px solid var(--amber);color:var(--amber)}
.r-circle.bad{background:var(--red-pale);border:4px solid var(--red);color:var(--red)}
.r-pct{font-size:26px;font-weight:700;line-height:1}
.r-lbl{font-size:10px;opacity:.7}
.r-title{font-family:'Fraunces',serif;font-size:22px;font-weight:700;margin-bottom:8px}
.r-sub{font-size:14px;color:var(--ink-muted);margin-bottom:20px}
.r-breakdown{display:flex;background:var(--paper-2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:24px;max-width:320px;margin-left:auto;margin-right:auto}
.r-brk{flex:1;padding:12px 8px;text-align:center;border-right:1px solid var(--border)}
.r-brk:last-child{border-right:none}
.r-brk-n{font-family:'Fraunces',serif;font-size:22px;font-weight:700}
.r-brk-l{font-size:11px;color:var(--ink-faint);margin-top:2px}
.r-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.t-paywall{display:none;padding:40px 24px;text-align:center}
.pw-icon{font-size:36px;margin-bottom:14px}
.pw-title{font-family:'Fraunces',serif;font-size:22px;font-weight:700;margin-bottom:8px}
.pw-sub{font-size:14px;color:var(--ink-muted);margin-bottom:24px;line-height:1.6;max-width:360px;margin-left:auto;margin-right:auto}
.tbloc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;margin-top:20px}
.tbloc{background:var(--paper);border:1.5px solid var(--border);border-radius:var(--radius);padding:13px 16px;cursor:pointer;transition:all .18s}
.tbloc:hover,.tbloc.active{border-color:var(--emerald);background:var(--emerald-pale)}
.tbloc-name{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:2px}
.tbloc-count{font-size:11px;color:var(--ink-faint)}
.test-layout{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:40px var(--px);align-items:start}
.test-sidebar{position:sticky;top:76px;display:flex;flex-direction:column;gap:16px}
.side-card{background:var(--paper);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:18px}
.side-card-title{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink-soft);font-size:13px;padding:7px 0;border-bottom:1px solid var(--border);transition:color .15s}
.side-link:last-child{border-bottom:none}
.side-link:hover{color:var(--emerald)}
.spec-hero{padding:48px var(--px) 56px;color:#fff;position:relative;overflow:hidden}
.spec-hero::before{content:'';position:absolute;inset:0;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='1'%3E%3Cpath d='M20 20h4v4h-4z'/%3E%3C/g%3E%3C/svg%3E")}
.spec-hero-content{position:relative;z-index:1;max-width:680px}
.spec-hero h1{font-family:'Fraunces',serif;font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.1;margin-bottom:12px}
.spec-hero p{font-size:16px;color:rgba(255,255,255,.7);margin-bottom:24px;line-height:1.6}
.spec-pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.spec-pill{font-size:12px;font-weight:600;padding:5px 12px;border-radius:99px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.15)}
.spec-pill.green{background:rgba(5,150,105,.25);color:#6EE7B7;border-color:rgba(5,150,105,.3)}
@media(max-width:900px){.test-layout{grid-template-columns:1fr}.test-sidebar{position:static}}
@media(max-width:768px){.nav-links{display:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}