:root{--bg:#07070f;--bg2:#0d0d1a;--s1:#111120;--s2:#181828;--s3:#202038;--bdr:rgba(255,255,255,0.07);--bdr2:rgba(255,255,255,0.13);--gold:#f5c842;--goldd:#c9a227;--blue:#4f8ef7;--purple:#9b6dff;--green:#3ecf8e;--rose:#ff6b9d;--orange:#ff8c42;--cyan:#22d3ee;--txt:#f0f0ff;--mute:#606080;--mute2:#9090b8;}

/* ===== AD PLACEHOLDERS TEMPORARILY HIDDEN =====
   Reason: No AdSense ID approved yet — these are dummy placeholder
   slots and should not be shown to real visitors.
   TO RE-ENABLE: delete this entire block (between the START/END markers)
   once you have a real AdSense publisher ID and have replaced these
   placeholder divs with real <ins class="adsbygoogle"> ad code. */
.ad-top-bar,.ad-sticky-bottom,.ad-unit,.ad-lbl{display:none !important;}
/* ===== END AD HIDE BLOCK ===== */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Outfit',sans-serif;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,0.014) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.014) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}
.bg-wrap{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(110px);animation:orbFloat 18s ease-in-out infinite alternate}
.o1{width:600px;height:600px;background:radial-gradient(circle,rgba(79,142,247,0.10),transparent 70%);top:-200px;left:-150px}
.o2{width:500px;height:500px;background:radial-gradient(circle,rgba(155,109,255,0.08),transparent 70%);top:35%;right:-150px;animation-delay:-6s}
.o3{width:450px;height:400px;background:radial-gradient(circle,rgba(62,207,142,0.07),transparent 70%);bottom:-100px;left:28%;animation-delay:-12s}
@keyframes orbFloat{0%{transform:translate(0,0)scale(1)}100%{transform:translate(28px,18px)scale(1.09)}}
.ad-unit{display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.025);border:1px dashed rgba(255,255,255,0.10);border-radius:8px;color:var(--mute);font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-family:'Space Grotesk',sans-serif}
.ad-728{width:min(728px,100%);height:90px}.ad-300{width:min(300px,100%);height:250px}.ad-468{width:min(468px,100%);height:60px}.ad-320{width:min(320px,100%);height:50px}
.ad-lbl{font-size:9px;color:var(--mute);text-transform:uppercase;letter-spacing:.15em;margin-bottom:4px;text-align:center}
.ad-top-bar{background:rgba(7,7,15,0.99);border-bottom:1px solid var(--bdr);padding:8px 12px;text-align:center;position:relative;z-index:20}
.ad-sticky-bottom{position:fixed;bottom:0;left:0;right:0;background:rgba(7,7,15,0.97);border-top:1px solid var(--bdr);padding:6px 12px;text-align:center;z-index:50;display:none}
@media(max-width:768px){.ad-sticky-bottom{display:block}}
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,7,15,0.97);border-bottom:1px solid var(--bdr);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:12px;height:58px}
.site-logo{display:flex;align-items:center;gap:9px;text-decoration:none;flex-shrink:0}
.logo-ico{width:34px;height:34px;background:linear-gradient(135deg,var(--gold),var(--goldd));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 0 16px rgba(245,200,66,0.25);animation:logoGlow 3s ease-in-out infinite}
@keyframes logoGlow{0%,100%{box-shadow:0 0 12px rgba(245,200,66,0.2)}50%{box-shadow:0 0 26px rgba(245,200,66,0.5)}}
.logo-name{font-family:'Space Grotesk',sans-serif;font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,#fff,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.01em}
.header-search{display:flex;align-items:center;gap:8px;background:var(--s1);border:1px solid var(--bdr);border-radius:99px;padding:7px 14px;flex:1;max-width:380px;transition:border-color .2s;margin:0 auto}
.header-search:focus-within{border-color:rgba(245,200,66,0.4)}
.header-search input{border:none;outline:none;background:transparent;font-family:'Outfit',sans-serif;font-size:13px;color:var(--txt);width:100%}
.header-search input::placeholder{color:var(--mute)}
.header-search svg{color:var(--mute);flex-shrink:0}
.header-nav{display:flex;align-items:center;gap:2px;flex-shrink:0}
.nav-link{padding:6px 12px;border-radius:8px;font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:500;color:var(--mute2);text-decoration:none;transition:all .2s;white-space:nowrap}
.nav-link:hover{color:var(--txt);background:var(--s2)}.nav-link.active{color:var(--gold)}
@media(max-width:900px){.header-nav{display:none}}
.breadcrumb-bar{position:relative;z-index:10;background:rgba(7,7,15,0.5);border-bottom:1px solid var(--bdr);padding:9px 20px}
.breadcrumb{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:6px;font-size:12px;color:var(--mute);flex-wrap:wrap}
.breadcrumb a{color:var(--mute2);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--gold)}.breadcrumb-sep{opacity:.4}
.page-wrap{position:relative;z-index:10;max-width:1200px;margin:0 auto;padding:28px 20px 100px}
.calc-page-layout{display:grid;grid-template-columns:380px 1fr;gap:28px;align-items:start}
@media(max-width:960px){.calc-page-layout{grid-template-columns:1fr}}
.calc-card{background:linear-gradient(145deg,var(--s1),var(--s2));border:1px solid var(--bdr2);border-radius:20px;overflow:hidden;position:sticky;top:70px}
.calc-card-bar{height:4px;width:100%}
.calc-card-head{padding:20px 22px 16px;border-bottom:1px solid var(--bdr);display:flex;align-items:center;gap:14px}
.calc-card-ico{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.calc-card-title{font-family:'Space Grotesk',sans-serif;font-size:1.1rem;font-weight:700;color:var(--txt);letter-spacing:-.01em}
.calc-card-sub{font-size:11px;color:var(--mute);margin-top:2px}
.calc-card-body{padding:20px 22px}
.fg{margin-bottom:15px}
.fg label{display:block;font-family:'Space Grotesk',sans-serif;font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--mute2);margin-bottom:6px}
.fg input,.fg select,.fg textarea{width:100%;background:var(--bg2);border:1.5px solid var(--bdr);border-radius:11px;padding:12px 14px;font-family:'Outfit',sans-serif;font-size:14px;color:var(--txt);outline:none;transition:all .2s;-webkit-appearance:none;appearance:none}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--gold);background:var(--s1);box-shadow:0 0 0 3px rgba(245,200,66,0.07)}
.fg select option{background:var(--bg2)}.fg textarea{resize:none;height:90px;line-height:1.6}
.fr2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
@media(max-width:480px){.fr2{grid-template-columns:1fr}}
.calc-btn{width:100%;background:linear-gradient(135deg,var(--gold),var(--goldd));border:none;border-radius:12px;padding:14px;color:#07070f;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:.95rem;letter-spacing:.04em;cursor:pointer;transition:all .25s;margin-top:4px}
.calc-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(245,200,66,0.3)}.calc-btn:active{transform:scale(.98)}
.reset-btn{width:100%;background:transparent;border:1px solid var(--bdr);border-radius:12px;padding:10px;color:var(--mute2);font-family:'Space Grotesk',sans-serif;font-size:12px;cursor:pointer;transition:all .2s;margin-top:8px}
.reset-btn:hover{border-color:var(--bdr2);color:var(--txt)}
.result-box{background:rgba(245,200,66,0.04);border:1.5px solid rgba(245,200,66,0.18);border-radius:14px;padding:18px;margin-top:16px;display:none}
.result-box.show{display:block;animation:resultSlide .32s cubic-bezier(.22,1,.36,1)}
@keyframes resultSlide{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.res-lbl{font-family:'Space Grotesk',sans-serif;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--mute2);margin-bottom:7px}
.res-val{font-family:'JetBrains Mono',monospace;font-size:1.75rem;font-weight:500;color:var(--gold);line-height:1.2;margin-bottom:5px}
.res-sub{font-size:12.5px;color:var(--mute2);line-height:1.6}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:11px}
.rg{background:var(--s2);border:1px solid var(--bdr);border-radius:10px;padding:10px 13px;transition:border-color .2s}
.rg:hover{border-color:var(--bdr2)}.rgl{font-size:9px;letter-spacing:.10em;text-transform:uppercase;color:var(--mute);margin-bottom:3px;font-family:'Space Grotesk',sans-serif;font-weight:600}
.rgv{font-family:'JetBrains Mono',monospace;font-size:.92rem;color:var(--txt);font-weight:500}
.prog-wrap{margin-top:12px}.prog-track{height:6px;background:var(--s3);border-radius:99px;overflow:hidden}
.prog-fill{height:100%;border-radius:99px;width:0;transition:width 1.5s cubic-bezier(.4,0,.2,1)}
.prog-marks{display:flex;justify-content:space-between;font-size:9px;color:var(--mute);margin-top:3px}
.share-row{display:flex;gap:8px;margin-top:12px}
.share-btn{flex:1;background:transparent;border:1px solid var(--bdr);border-radius:9px;padding:8px;color:var(--mute2);font-family:'Space Grotesk',sans-serif;font-size:11px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:5px}
.share-btn:hover{border-color:var(--bdr2);color:var(--txt)}
.article-wrap{min-width:0}
.article-section{background:linear-gradient(145deg,var(--s1),var(--s2));border:1px solid var(--bdr);border-radius:16px;padding:24px;margin-bottom:20px}
.article-section h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.3rem,3vw,1.6rem);font-weight:700;color:var(--txt);margin-bottom:12px;letter-spacing:-.02em;line-height:1.3}
.article-section h2{font-family:'Space Grotesk',sans-serif;font-size:1.2rem;font-weight:700;color:var(--txt);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--bdr)}
.article-section h3{font-family:'Space Grotesk',sans-serif;font-size:.88rem;font-weight:600;color:var(--gold);margin:16px 0 8px;text-transform:uppercase;letter-spacing:.06em}
.article-section p{font-size:14px;color:var(--mute2);line-height:1.85;margin-bottom:10px}
.article-section ul,.article-section ol{padding-left:20px;margin-bottom:10px}
.article-section li{font-size:14px;color:var(--mute2);line-height:1.8;margin-bottom:4px}
.article-section strong{color:var(--txt)}
.formula-box{background:var(--s3);border:1px solid var(--bdr2);border-radius:10px;padding:14px 16px;margin:12px 0;font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--cyan);line-height:1.7}
.example-box{background:rgba(62,207,142,0.04);border:1px solid rgba(62,207,142,0.15);border-radius:10px;padding:14px 16px;margin:12px 0;font-size:13.5px;color:var(--mute2);line-height:1.8}
.example-box strong{color:var(--green)}
.faq-item{border-bottom:1px solid var(--bdr);padding:13px 0}.faq-item:last-child{border-bottom:none}
.faq-q{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.93rem;color:var(--txt);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;transition:color .2s;background:none;border:none;width:100%;text-align:left;padding:0}
.faq-q:hover{color:var(--gold)}.faq-q::after{content:'+';color:var(--gold);font-size:22px;font-weight:300;flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{font-size:13px;color:var(--mute2);line-height:1.8;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s}
.faq-item.open .faq-a{max-height:300px;padding-top:10px}
.related-list{display:flex;flex-direction:column;gap:8px}
.related-link{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--s2);border:1px solid var(--bdr);border-radius:10px;text-decoration:none;transition:all .2s}
.related-link:hover{border-color:var(--bdr2);background:var(--s3);transform:translateX(3px)}
.related-link .rl-ico{font-size:18px;flex-shrink:0}.related-link .rl-txt{font-size:13px;color:var(--mute2);font-weight:500;transition:color .2s}
.related-link:hover .rl-txt{color:var(--gold)}
.hero{position:relative;z-index:10;text-align:center;padding:52px 20px 32px;max-width:1200px;margin:0 auto}
.hero-badge{display:inline-block;background:rgba(245,200,66,0.10);border:1px solid rgba(245,200,66,0.25);border-radius:99px;padding:4px 16px;font-size:11.5px;color:var(--gold);letter-spacing:.08em;margin-bottom:16px}
.hero-title{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.9rem,5vw,3.2rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin-bottom:12px}
.hero-title span{background:linear-gradient(135deg,var(--gold),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(.9rem,2vw,1.05rem);color:var(--mute2);max-width:520px;margin:0 auto 26px;line-height:1.7}
.hero-search{max-width:500px;margin:0 auto 22px}
.hs-out{background:linear-gradient(135deg,var(--gold),var(--purple));border-radius:99px;padding:2px;box-shadow:0 0 28px rgba(245,200,66,0.12)}
.hs-in{display:flex;align-items:center;gap:8px;background:var(--s1);border-radius:99px;padding:8px 8px 8px 20px}
.hs-in input{flex:1;border:none;outline:none;background:transparent;font-family:'Outfit',sans-serif;font-size:15px;color:var(--txt)}
.hs-in input::placeholder{color:var(--mute)}
.hs-btn{background:linear-gradient(135deg,var(--gold),var(--goldd));border:none;border-radius:99px;padding:10px 18px;color:#07070f;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:13px;cursor:pointer;transition:all .2s;white-space:nowrap}
.hs-btn:hover{transform:scale(1.04);box-shadow:0 0 16px rgba(245,200,66,0.3)}
.hero-stats{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.hstat{text-align:center}.hstat-val{font-family:'Space Grotesk',sans-serif;font-size:1.3rem;font-weight:700;color:var(--gold)}.hstat-lbl{font-size:10.5px;color:var(--mute);margin-top:2px}
.sec-lbl{font-family:'Space Grotesk',sans-serif;font-size:10px;font-weight:600;letter-spacing:.20em;text-transform:uppercase;color:var(--gold);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.sec-lbl::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,rgba(245,200,66,0.3),transparent)}
.cats{display:flex;gap:7px;margin-bottom:22px;flex-wrap:wrap}
.cb{background:var(--s1);border:1px solid var(--bdr);border-radius:99px;padding:7px 15px;font-family:'Space Grotesk',sans-serif;font-size:11.5px;font-weight:500;color:var(--mute2);cursor:pointer;transition:all .22s;white-space:nowrap}
.cb:hover{border-color:var(--bdr2);color:var(--txt)}.cb.act{background:rgba(245,200,66,0.12);border-color:var(--gold);color:var(--gold)}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:14px;margin-bottom:28px}
.cc{background:linear-gradient(145deg,var(--s1),var(--s2));border:1px solid var(--bdr);border-radius:18px;overflow:hidden;transition:all .28s cubic-bezier(.22,1,.36,1);display:block;text-decoration:none;position:relative}
.cc:hover{border-color:var(--bdr2);transform:translateY(-4px);box-shadow:0 18px 50px rgba(0,0,0,0.4)}
.cc-bar{height:3px}.cc-head{padding:15px 16px 9px;display:flex;align-items:flex-start;gap:11px}
.cc-ico{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.cc-ttl{font-family:'Space Grotesk',sans-serif;font-size:.92rem;font-weight:600;color:var(--txt);margin-bottom:1px;letter-spacing:-.01em}
.cc-sub{font-size:9.5px;color:var(--mute);letter-spacing:.08em;text-transform:uppercase}
.cc-body{padding:0 16px 15px}.cc-desc{font-size:12.5px;color:var(--mute2);line-height:1.6;margin-bottom:9px}
.cc-tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}
.cc-tag{background:rgba(255,255,255,0.04);border:1px solid var(--bdr);border-radius:99px;padding:2px 8px;font-size:9.5px;color:var(--mute2);font-family:'Space Grotesk',sans-serif}
.cc-btn{display:flex;align-items:center;justify-content:center;gap:5px;background:transparent;border:1px solid var(--bdr2);border-radius:9px;padding:9px 12px;color:var(--mute2);font-family:'Space Grotesk',sans-serif;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .22s;width:100%;text-decoration:none}
.cc:hover .cc-btn,.cc-btn:hover{background:var(--s3);border-color:var(--gold);color:var(--gold)}
.popular-strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:26px;scrollbar-width:none}
.popular-strip::-webkit-scrollbar{display:none}
.pop-chip{flex-shrink:0;background:rgba(245,200,66,0.07);border:1px solid rgba(245,200,66,0.20);border-radius:99px;padding:7px 16px;font-size:12px;font-family:'Space Grotesk',sans-serif;font-weight:500;color:var(--gold);cursor:pointer;transition:all .22s;white-space:nowrap;display:flex;align-items:center;gap:6px;text-decoration:none}
.pop-chip:hover{background:rgba(245,200,66,0.14);border-color:rgba(245,200,66,0.4);transform:translateY(-2px)}
.recent-wrap{background:rgba(255,255,255,0.02);border:1px solid var(--bdr);border-radius:14px;padding:14px 16px;margin-bottom:22px;display:none}
.recent-wrap.show{display:block}.recent-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.recent-chip{background:var(--s2);border:1px solid var(--bdr);border-radius:8px;padding:6px 12px;font-size:12px;color:var(--mute2);cursor:pointer;transition:all .2s;text-decoration:none;display:flex;align-items:center;gap:6px}
.recent-chip:hover{border-color:var(--bdr2);color:var(--txt)}
.toast{position:fixed;bottom:70px;left:50%;transform:translateX(-50%)translateY(120px);background:var(--green);color:#07070f;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:13px;padding:10px 20px;border-radius:99px;z-index:9999;transition:transform .35s cubic-bezier(.22,1,.36,1);white-space:nowrap;pointer-events:none}
.toast.show{transform:translateX(-50%)translateY(0)}
.site-footer{position:relative;z-index:10;background:var(--bg2);border-top:1px solid var(--bdr);padding:36px 20px 24px}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .fb-logo{display:flex;align-items:center;gap:8px;margin-bottom:9px;text-decoration:none}
.fb-name{font-family:'Space Grotesk',sans-serif;font-size:1.05rem;font-weight:700;background:linear-gradient(135deg,#fff,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.fb-desc{font-size:13px;color:var(--mute);line-height:1.7;max-width:220px;margin-bottom:12px}
.footer-col h4{font-family:'Space Grotesk',sans-serif;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.footer-col a{display:block;font-size:12.5px;color:var(--mute);text-decoration:none;margin-bottom:7px;transition:color .2s}
.footer-col a:hover{color:var(--txt)}
.footer-bottom{border-top:1px solid var(--bdr);padding-top:18px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-copy{font-size:11px;color:var(--mute)}
.footer-legal{display:flex;gap:14px}.footer-legal a{font-size:11px;color:var(--mute);text-decoration:none;transition:color .2s}.footer-legal a:hover{color:var(--gold)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;background:var(--s3);border-radius:99px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--gold);cursor:pointer}
::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--s3);border-radius:99px}
.sep{height:1px;background:var(--bdr);margin:18px 0}
.add-row-btn{width:100%;background:transparent;border:1.5px dashed var(--bdr);border-radius:10px;padding:9px;color:var(--mute2);font-family:'Space Grotesk',sans-serif;font-size:12px;cursor:pointer;margin-bottom:10px;transition:all .2s}
.add-row-btn:hover{border-color:var(--gold);color:var(--gold)}
.no-res{text-align:center;padding:50px 20px;display:none}.no-res.show{display:block}
.no-res p{font-family:'Space Grotesk',sans-serif;font-size:1rem;color:var(--mute);margin-top:10px}