*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f1117;--bg2:#181c27;--bg3:#1e2336;--surface:#252b3b;--surface2:#2d3448;
  --border:#323a52;--text:#e8ecf4;--text2:#a0aec0;--text3:#6b7694;
  --accent:#4f6ef7;--accent2:#7c3aed;--accent-g:linear-gradient(135deg,#4f6ef7,#7c3aed);
  --green:#22c55e;--orange:#f59e0b;--red:#ef4444;--cyan:#06b6d4;
  --radius:12px;--radius-lg:18px;--shadow:0 4px 28px rgba(0,0,0,.45);
  --nav-h:64px;
}
[data-theme="light"]{
  --bg:#f4f6fc;--bg2:#eaecf6;--bg3:#e0e3f0;--surface:#fff;--surface2:#f0f2fa;
  --border:#ced4e8;--text:#1a1f35;--text2:#4a5578;--text3:#8892b0;
  --shadow:0 4px 28px rgba(79,110,247,.1);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;transition:background .3s,color .3s}

/* NAV */
.nav{position:sticky;top:0;z-index:1000;background:var(--bg2);border-bottom:1px solid var(--border);height:var(--nav-h)}
.nav-inner{max-width:1280px;margin:auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:12px}
.nav-logo{font-family:'Outfit',sans-serif;font-weight:800;font-size:1.15rem;color:var(--text);text-decoration:none;white-space:nowrap;flex-shrink:0}
.nav-logo span{background:var(--accent-g);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;align-items:center;gap:1px;flex:1;overflow:hidden}
.nav-links a{padding:6px 10px;border-radius:7px;color:var(--text2);text-decoration:none;font-size:.78rem;font-weight:500;white-space:nowrap;transition:background .2s,color .2s}
.nav-links a:hover{background:var(--surface);color:var(--text)}
.nav-end{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}
.theme-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:7px 11px;cursor:pointer;font-size:.95rem;transition:all .2s;line-height:1}
.hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer;padding:4px 6px;line-height:1}
.mob-menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 16px 16px;z-index:999;flex-direction:column;gap:3px;max-height:calc(100vh - var(--nav-h));overflow-y:auto}
.mob-menu.open{display:flex}
.mob-menu a{padding:9px 14px;border-radius:8px;color:var(--text2);text-decoration:none;font-size:.87rem;font-weight:500;transition:background .2s}
.mob-menu a:hover{background:var(--surface);color:var(--text)}
@media(max-width:860px){.nav-links{display:none}.hamburger{display:block}}

/* BREADCRUMB */
.breadcrumb{max-width:1280px;margin:12px auto 0;padding:0 20px;display:flex;align-items:center;gap:6px;font-size:.79rem;color:var(--text3);flex-wrap:wrap}
.breadcrumb a{color:var(--text3);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}

/* HERO */
.hero{padding:52px 20px 36px;text-align:center;max-width:820px;margin:auto}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:99px;padding:5px 14px;font-size:.76rem;font-weight:600;color:var(--accent);margin-bottom:16px}
.hero h1{font-family:'Outfit',sans-serif;font-size:clamp(1.8rem,5vw,2.9rem);font-weight:800;line-height:1.2;margin-bottom:12px}
.hero h1 .grad{background:var(--accent-g);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--text2);font-size:1rem;line-height:1.7;max-width:600px;margin:auto}

/* TOOL CARD */
.tool-card{max-width:780px;margin:28px auto 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.tabs{display:flex;gap:6px;margin-bottom:18px;background:var(--bg2);padding:4px;border-radius:10px}
.tab{flex:1;padding:9px;border:none;border-radius:7px;cursor:pointer;font-size:.87rem;font-weight:600;background:transparent;color:var(--text3);transition:all .2s;font-family:'Inter',sans-serif}
.tab.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(79,110,247,.35)}
.url-input{width:100%;padding:13px 16px;background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.95rem;font-family:'Inter',sans-serif;outline:none;transition:border-color .2s;-webkit-appearance:none}
.url-input::placeholder{color:var(--text3)}
.url-input:focus{border-color:var(--accent)}
.url-input.input-error{border-color:var(--red)}
.url-input.input-ok{border-color:var(--green)}
textarea.url-input{min-height:120px;resize:vertical;line-height:1.6}
.input-note{font-size:.75rem;color:var(--text3);margin-top:6px}
.err-msg{color:var(--red);font-size:.8rem;margin-top:6px;display:none}
.err-msg.show{display:block}
.check-btn{width:100%;margin-top:14px;padding:14px;background:var(--accent-g);border:none;border-radius:var(--radius);color:#fff;font-size:1rem;font-weight:700;font-family:'Outfit',sans-serif;cursor:pointer;transition:opacity .2s,transform .1s;display:flex;align-items:center;justify-content:center;gap:8px;letter-spacing:.2px}
.check-btn:hover:not(:disabled){opacity:.88}
.check-btn:active:not(:disabled){transform:scale(.98)}
.check-btn:disabled{opacity:.55;cursor:not-allowed}

/* SPINNER */
.spinner{width:19px;height:19px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}

/* RESULTS */
#results{max-width:780px;margin:22px auto 0}
.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;margin-bottom:16px;box-shadow:var(--shadow)}
.result-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.result-url{font-size:.97rem;font-weight:700;color:var(--text);word-break:break-all}
.conf-badge{padding:4px 10px;border-radius:99px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px;flex-shrink:0;white-space:nowrap}
.conf-high{background:rgba(34,197,94,.15);color:var(--green);border:1px solid rgba(34,197,94,.3)}
.conf-medium{background:rgba(245,158,11,.12);color:var(--orange);border:1px solid rgba(245,158,11,.3)}
.conf-low{background:rgba(239,68,68,.12);color:var(--red);border:1px solid rgba(239,68,68,.3)}
.rank-hero{text-align:center;padding:20px 16px;background:var(--bg2);border-radius:var(--radius);margin-bottom:16px;border:1px solid var(--border)}
.rank-num{font-family:'Outfit',sans-serif;font-size:2.5rem;font-weight:800;background:var(--accent-g);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.rank-label{font-size:.78rem;color:var(--text3);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}
.rank-range{font-size:.82rem;color:var(--text2);margin-top:3px}
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-bottom:16px}
.metric-box{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:13px 10px;text-align:center}
.metric-val{font-family:'Outfit',sans-serif;font-size:1.2rem;font-weight:700;color:var(--text);line-height:1.2;word-break:break-word}
.metric-lbl{font-size:.7rem;color:var(--text3);margin-top:4px;font-weight:500;text-transform:uppercase;letter-spacing:.4px}
.bar-wrap{height:5px;background:var(--border);border-radius:99px;margin-top:8px;overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:var(--accent-g);transition:width 1s ease}
.bar-fill-g{background:linear-gradient(90deg,#22c55e,#06b6d4)}
.insights{margin-top:14px;padding:14px;background:var(--bg2);border-radius:10px;border:1px solid var(--border)}
.insights-title{font-size:.72rem;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.insight-item{display:flex;gap:8px;font-size:.85rem;color:var(--text2);margin-bottom:7px;line-height:1.55}
.insight-item:last-child{margin-bottom:0}
.insight-icon{color:var(--accent);flex-shrink:0;margin-top:1px}
.data-note{font-size:.74rem;color:var(--text3);margin-top:12px;font-style:italic;padding-top:12px;border-top:1px solid var(--border)}
.provider-note{font-size:.7rem;color:var(--text3);margin-top:8px}

/* SHARE ROW */
.share-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:8px;font-size:.8rem;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--surface2);color:var(--text2);text-decoration:none;transition:all .2s;font-family:'Inter',sans-serif}
.share-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ERROR BANNER */
.error-banner{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius);padding:16px 18px;color:var(--red);display:flex;gap:10px;align-items:flex-start;font-size:.88rem;line-height:1.5}

/* SECTIONS */
.section{padding:56px 20px;max-width:1280px;margin:auto}
.section-title{font-family:'Outfit',sans-serif;font-size:clamp(1.4rem,3vw,1.9rem);font-weight:800;text-align:center;margin-bottom:8px}
.section-sub{color:var(--text2);text-align:center;margin-bottom:36px;font-size:.93rem}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.feat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;transition:transform .2s,box-shadow .2s}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feat-icon{font-size:1.7rem;margin-bottom:10px}
.feat-card h3{font-family:'Outfit',sans-serif;font-weight:700;margin-bottom:6px;font-size:.97rem}
.feat-card p{color:var(--text2);font-size:.84rem;line-height:1.6}

/* HOW IT WORKS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 20px 20px;position:relative;counter-increment:step}
.step::before{content:counter(step);position:absolute;top:-13px;left:18px;background:var(--accent-g);color:#fff;font-family:'Outfit',sans-serif;font-weight:800;font-size:.82rem;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.step h3{font-family:'Outfit',sans-serif;font-weight:700;margin:4px 0 6px;font-size:.95rem}
.step p{color:var(--text2);font-size:.83rem;line-height:1.6}

/* ARTICLE */
.article{max-width:820px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px}
.article h2{font-family:'Outfit',sans-serif;font-weight:800;font-size:1.2rem;margin:18px 0 9px;color:var(--text)}
.article h2:first-child{margin-top:0}
.article p{color:var(--text2);line-height:1.8;margin-bottom:12px;font-size:.92rem}
.article strong{color:var(--text);font-weight:600}

/* FAQ */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:9px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.faq-q{width:100%;text-align:left;padding:15px 18px;background:none;border:none;color:var(--text);font-size:.9rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:'Inter',sans-serif}
.faq-arrow{color:var(--text3);transition:transform .25s;flex-shrink:0;font-size:.8rem}
.faq-q.open .faq-arrow{transform:rotate(180deg)}
.faq-a{overflow:hidden;max-height:0;transition:max-height .3s ease,padding .3s}
.faq-a.open{max-height:250px}
.faq-a-inner{padding:0 18px 15px;color:var(--text2);font-size:.86rem;line-height:1.7}

/* CTA */
.cta-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px 28px;text-align:center;max-width:820px;margin:0 auto}
.cta-box h2{font-family:'Outfit',sans-serif;font-size:1.65rem;font-weight:800;margin-bottom:10px}
.cta-box p{color:var(--text2);margin-bottom:22px;font-size:.93rem}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-primary{padding:11px 26px;background:var(--accent-g);color:#fff;border:none;border-radius:var(--radius);font-weight:700;font-family:'Outfit',sans-serif;text-decoration:none;cursor:pointer;transition:opacity .2s;font-size:.93rem}
.btn-primary:hover{opacity:.85}
.btn-outline{padding:11px 26px;background:transparent;color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-weight:700;font-family:'Outfit',sans-serif;text-decoration:none;cursor:pointer;transition:background .2s;font-size:.93rem}
.btn-outline:hover{background:var(--surface2)}

/* RELATED */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:9px;max-width:1180px;margin:0 auto}
.related-link{background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:10px 13px;color:var(--text2);text-decoration:none;font-size:.81rem;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:7px}
.related-link::before{content:"🔗";font-size:.75rem;flex-shrink:0}
.related-link:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* DIVIDER */
.divider{height:1px;background:var(--border);max-width:1280px;margin:0 auto}

/* FOOTER */
footer{background:var(--bg2);border-top:1px solid var(--border);padding:44px 20px 22px;margin-top:44px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:26px;max-width:1280px;margin:0 auto 28px}
.footer-col h4{font-family:'Outfit',sans-serif;font-weight:700;font-size:.82rem;color:var(--text);margin-bottom:11px;text-transform:uppercase;letter-spacing:.5px}
.footer-col a{display:block;color:var(--text3);text-decoration:none;font-size:.79rem;margin-bottom:6px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{max-width:1280px;margin:0 auto;padding-top:18px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:.76rem;color:var(--text3)}
.footer-bottom a{color:var(--text3);text-decoration:none}
.footer-bottom a:hover{color:var(--accent)}
.disclaimer{font-size:.7rem;color:var(--text3);line-height:1.55;max-width:1280px;margin:12px auto 0;padding-top:10px;border-top:1px solid var(--border)}

/* COOKIE */
#cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--border);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:9999;flex-wrap:wrap}
#cookie-banner p{font-size:.8rem;color:var(--text2);flex:1;min-width:200px;line-height:1.5}
#cookie-banner a{color:var(--accent);text-decoration:none}
.cookie-btns{display:flex;gap:7px;flex-shrink:0}
.ck-btn{padding:7px 16px;border-radius:7px;font-size:.8rem;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--surface2);color:var(--text);transition:all .2s;font-family:'Inter',sans-serif}
.ck-btn.accept{background:var(--accent);border-color:var(--accent);color:#fff}
.ck-btn:hover{opacity:.85}

/* TOAST */
.toast{position:fixed;bottom:70px;left:50%;transform:translateX(-50%) translateY(10px);background:rgba(30,35,54,.95);color:#fff;padding:8px 20px;border-radius:99px;font-size:.8rem;opacity:0;pointer-events:none;transition:all .3s;z-index:9999;border:1px solid var(--border);backdrop-filter:blur(8px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:580px){
  .hero{padding:36px 14px 24px}
  .tool-card{padding:16px}
  .result-card{padding:15px}
  .rank-num{font-size:2rem}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .article{padding:18px}
  .cta-box{padding:28px 16px}
  footer{padding:32px 16px 18px}
}