:root{--bg:#0B0E1A;--surface:#141A2E;--surface2:#1B2340;--line:#273052;--amber:#F5B027;
--amber2:#FFC94D;--teal:#2DD4BF;--text:#E9EDF7;--muted:#A6B0C7;--green:#3DDC84;--red:#FF6B6B;
--radius:14px;--maxw:1120px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);
color:var(--text);line-height:1.65;font-size:16.5px}
img,svg{max-width:100%;height:auto}
a{color:var(--amber2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.5vw,3rem);margin-bottom:.5rem}
h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:2.6rem 0 1rem;padding-top:.4rem}
h3{font-size:1.15rem;margin:1.6rem 0 .6rem;color:var(--amber2)}
p{margin-bottom:1rem}
ul,ol{margin:0 0 1.1rem 1.4rem}
li{margin-bottom:.45rem}
strong{color:#fff}
/* header */
.topbar{background:linear-gradient(90deg,#0d1226,#101736);border-bottom:1px solid var(--line);
font-size:.8rem;color:var(--muted);text-align:center;padding:6px 10px}
header{position:sticky;top:0;z-index:60;background:rgba(11,14,26,.92);backdrop-filter:blur(10px);
border-bottom:1px solid var(--line)}
.navrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;
max-width:var(--maxw);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:#fff}
.logo:hover{text-decoration:none}
.logo svg{width:34px;height:34px}
.logo b{color:var(--amber)}
nav.main{display:flex;gap:4px}
nav.main>div{position:relative}
nav.main button.navbtn{background:none;border:0;color:var(--text);font:inherit;font-weight:600;
padding:10px 12px;cursor:pointer;border-radius:8px}
nav.main button.navbtn:hover{background:var(--surface2)}
.dd{display:none;position:absolute;top:100%;left:0;background:var(--surface);border:1px solid var(--line);
border-radius:12px;min-width:230px;padding:8px;box-shadow:0 18px 40px rgba(0,0,0,.5)}
nav.main>div:hover .dd,nav.main>div:focus-within .dd{display:block}
.dd a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:.93rem}
.dd a:hover{background:var(--surface2);text-decoration:none;color:var(--amber2)}
.hdr-cta{white-space:nowrap}
#menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:#fff;
padding:8px 12px;font-size:1.05rem;cursor:pointer}
/* buttons */
.btn{display:inline-block;font-weight:800;text-align:center;border-radius:12px;cursor:pointer;
padding:14px 30px;font-size:1.02rem;transition:transform .15s,box-shadow .15s;text-decoration:none!important}
.btn-primary{background:linear-gradient(135deg,var(--amber),#e88f00);color:#191203!important;
box-shadow:0 8px 24px rgba(245,176,39,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(245,176,39,.5)}
.btn-ghost{border:2px solid var(--amber);color:var(--amber2)!important;background:transparent}
.btn-ghost:hover{background:rgba(245,176,39,.1)}
.btn-sm{padding:10px 20px;font-size:.92rem}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin:1.4rem 0}
.cta-block{background:linear-gradient(135deg,#1b2340,#141a2e);border:1px solid var(--line);
border-radius:var(--radius);padding:26px;text-align:center;margin:2.2rem 0}
.cta-block .btn{margin-top:10px}
.cta-block p{color:var(--muted);font-size:.9rem;margin:.6rem 0 0}
/* hero */
.hero{padding:56px 0 40px;background:radial-gradient(1000px 500px at 75% -10%,rgba(245,176,39,.14),transparent),
radial-gradient(700px 400px at 10% 110%,rgba(45,212,191,.10),transparent)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.hero .tagline{font-size:1.18rem;color:var(--muted);max-width:560px}
.hero .tagline strong{color:var(--amber2)}
.badge{display:inline-block;background:rgba(245,176,39,.12);border:1px solid rgba(245,176,39,.4);
color:var(--amber2);border-radius:999px;padding:4px 14px;font-size:.8rem;font-weight:700;margin-bottom:14px;
text-transform:uppercase;letter-spacing:.06em}
/* stat bar */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:2rem 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
padding:16px 14px;text-align:center}
.stat .v{font-size:1.35rem;font-weight:800;color:var(--amber)}
.stat .l{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
/* cards & layout bits */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin-top:0}
.icon{width:44px;height:44px;border-radius:10px;background:rgba(245,176,39,.12);display:flex;
align-items:center;justify-content:center;margin-bottom:12px;font-size:1.3rem}
/* steps */
.steps{counter-reset:step;list-style:none;margin-left:0}
.steps li{counter-increment:step;position:relative;padding:0 0 1.2rem 58px;margin:0}
.steps li::before{content:counter(step);position:absolute;left:0;top:0;width:40px;height:40px;
border-radius:50%;background:linear-gradient(135deg,var(--amber),#e88f00);color:#191203;font-weight:800;
display:flex;align-items:center;justify-content:center;font-size:1.05rem}
.steps li::after{content:"";position:absolute;left:19px;top:44px;bottom:2px;width:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps b{display:block;font-size:1.05rem;color:#fff}
/* tables */
.tbl{width:100%;border-collapse:collapse;margin:1.2rem 0;background:var(--surface);
border-radius:var(--radius);overflow:hidden;font-size:.95rem}
.tbl th{background:var(--surface2);color:var(--amber2);text-align:left;padding:12px 14px;
font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}
.tbl td{padding:12px 14px;border-top:1px solid var(--line)}
.tbl tr:hover td{background:rgba(245,176,39,.04)}
.tbl-scroll{overflow-x:auto}
/* callouts */
.note,.warn,.tip{border-radius:var(--radius);padding:16px 18px;margin:1.2rem 0;font-size:.95rem;
border:1px solid}
.note{background:rgba(45,212,191,.07);border-color:rgba(45,212,191,.35)}
.warn{background:rgba(255,107,107,.07);border-color:rgba(255,107,107,.4)}
.tip{background:rgba(245,176,39,.07);border-color:rgba(245,176,39,.4)}
.note b,.tip b{color:var(--amber2)}.warn b{color:var(--red)}
/* faq */
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;
margin-bottom:10px;overflow:hidden}
details.faq summary{padding:16px 18px;font-weight:700;cursor:pointer;list-style:none;position:relative;
padding-right:44px}
details.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.5rem;
color:var(--amber)}
details.faq[open] summary::after{content:"–"}
details.faq .a{padding:0 18px 16px;color:var(--muted)}
/* breadcrumbs */
.crumbs{font-size:.83rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{color:var(--amber2)}
/* author box */
.author{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
border-radius:var(--radius);padding:22px;margin:2rem 0;align-items:flex-start}
.author .av{width:74px;height:74px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--amber),#7a4df1);
display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.5rem;color:#14101f}
.author .meta{font-size:.85rem;color:var(--muted)}
.author .nm{font-weight:800;color:#fff;font-size:1.05rem}
/* ratings */
.score-row{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);
padding:8px 0;font-size:.95rem}
.score-row b{color:var(--amber)}
.review{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
padding:20px;margin-bottom:14px}
.review .who{font-weight:700;color:#fff}.review .st{color:var(--amber);letter-spacing:2px}
.review .txt{color:var(--muted);font-size:.95rem;margin-top:6px}
/* related */
.related{margin:3rem 0 1rem}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-grid a{background:var(--surface);border:1px solid var(--line);border-radius:12px;
padding:16px;color:var(--text);font-weight:700;font-size:.93rem;display:block}
.related-grid a:hover{border-color:var(--amber);text-decoration:none;color:var(--amber2)}
.related-grid a small{display:block;color:var(--muted);font-weight:400;margin-top:4px;font-size:.8rem}
/* footer */
footer{background:#080b14;border-top:1px solid var(--line);margin-top:4rem;padding:44px 0 110px;
font-size:.9rem;color:var(--muted)}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.f-grid h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:12px}
.f-grid a{display:block;color:var(--muted);padding:3px 0;font-size:.88rem}
.f-grid a:hover{color:var(--amber2)}
.rg{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
padding:18px 20px;margin:18px 0;font-size:.83rem}
.rg b{color:var(--amber2)}
.age{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
border-radius:50%;border:2px solid var(--red);color:var(--red);font-weight:800;margin-right:12px;
flex-shrink:0}
.rg-flex{display:flex;align-items:flex-start;gap:4px}
.legal{font-size:.78rem;color:#6b7590;border-top:1px solid var(--line);padding-top:18px;margin-top:8px}
/* sticky mobile cta */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:70;display:none;padding:10px 14px;
background:rgba(11,14,26,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line)}
.sticky-cta .btn{display:block;width:100%;padding:15px}
/* toc */
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
padding:18px 22px;margin:1.5rem 0;font-size:.92rem}
.toc b{color:var(--amber2);display:block;margin-bottom:8px}
.toc a{display:inline-block;margin:3px 14px 3px 0;color:var(--text)}
/* calculator */
.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.calc label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 4px}
.calc input,.calc select{width:100%;background:var(--bg);border:1px solid var(--line);color:#fff;
border-radius:10px;padding:11px 14px;font:inherit}
.calc .out{background:rgba(245,176,39,.09);border:1px solid rgba(245,176,39,.4);border-radius:12px;
padding:16px;margin-top:16px;font-size:.95rem}
.calc .out b{color:var(--amber)}
/* hero art */
.hero-art{filter:drop-shadow(0 20px 40px rgba(0,0,0,.5))}
.muted{color:var(--muted)}
.center{text-align:center}
.pill{display:inline-block;background:var(--surface2);border:1px solid var(--line);border-radius:999px;
padding:3px 12px;font-size:.78rem;color:var(--muted);margin:2px}
/* responsive */
@media(max-width:960px){
 .hero-grid,.grid3,.f-grid{grid-template-columns:1fr 1fr}
 .stats{grid-template-columns:repeat(2,1fr)}
 .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
 nav.main{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);
  flex-direction:column;border-bottom:1px solid var(--line);padding:10px;max-height:75vh;overflow:auto}
 nav.main.open{display:flex}
 nav.main .dd{display:block;position:static;box-shadow:none;border:0;padding:0 0 8px 10px;min-width:0}
 nav.main button.navbtn{width:100%;text-align:left;color:var(--amber2)}
 #menu-toggle{display:block}
 .hdr-cta{display:none}
 .hero-grid,.grid2,.grid3,.related-grid,.f-grid{grid-template-columns:1fr}
 .hero{padding:36px 0 24px}
 .sticky-cta{display:block}
 body{font-size:15.5px}
 .btn{width:100%;}
 .cta-row .btn{width:100%}
}