:root{
  --ink:#111315;--muted:#5e6268;--paper:#f7f5ef;--card:#fff;--dark:#0d0f12;
  --gold:#f4b942;--orange:#e65f43;--green:#1f6f5e;--line:#dedbd1;--soft:#ece9df;
  --max:1160px;--radius:20px;--shadow:0 14px 38px rgba(12,15,18,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink);line-height:1.68}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.container{width:min(var(--max),calc(100% - 36px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px;z-index:999}.skip:focus{left:10px}
.topline{background:var(--gold);color:#161616;font-size:.86rem;font-weight:750;text-align:center;padding:7px 14px}
header{background:rgba(13,15,18,.97);color:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(145deg,var(--gold),var(--orange));display:grid;place-items:center;color:#101114;font-weight:950}
.navlinks{display:flex;gap:4px;align-items:center;margin-left:auto}
.navlinks a{color:#e8e8e8;text-decoration:none;padding:9px 11px;border-radius:10px;font-size:.92rem}
.navlinks a:hover,.navlinks a:focus{background:#20242a;color:#fff}
.nav-cta{background:var(--gold)!important;color:#121212!important;font-weight:850!important}
.menu-btn{display:none;margin-left:auto;border:1px solid #373b42;background:#16191d;color:white;border-radius:10px;padding:9px 11px}
.hero{padding:64px 0 42px;background:radial-gradient(circle at 86% 0%,rgba(244,185,66,.18),transparent 28%),linear-gradient(180deg,#f8f6f0 0%,#f3f0e8 100%)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--green)}
h1,h2,h3{line-height:1.13;letter-spacing:-.035em}
h1{font-size:clamp(2.35rem,5vw,4.65rem);margin:.35em 0 .24em}
h2{font-size:clamp(1.7rem,3vw,2.55rem);margin:1.55em 0 .55em}
h3{font-size:1.25rem;margin:1.3em 0 .35em}
.lede{font-size:1.16rem;color:#3f4348;max-width:68ch}
.hero-card{background:#fff;padding:16px;border-radius:26px;box-shadow:var(--shadow);border:1px solid #e6e2d8}
.hero-card img{width:100%;border-radius:17px;background:white}
.micro{font-size:.82rem;color:var(--muted)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.badge{background:#fff;border:1px solid var(--line);padding:7px 10px;border-radius:999px;font-size:.82rem;font-weight:750}
.btnrow{display:flex;flex-wrap:wrap;gap:11px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;text-decoration:none;border-radius:12px;padding:12px 17px;font-weight:850;border:1px solid transparent;transition:.16s transform,.16s box-shadow}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px rgba(230,95,67,.22)}
.btn-secondary{background:#fff;border-color:#cfcac0;color:#151515}
main.article{padding:46px 0 70px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px;align-items:start}
.content{background:#fff;border:1px solid #e4e0d6;border-radius:24px;padding:clamp(24px,4vw,48px);box-shadow:0 8px 28px rgba(16,18,20,.05)}
.content p{max-width:76ch}
.content ul,.content ol{padding-left:1.3rem}
.content li{margin:.45em 0}
.content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem}
.content th,.content td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.content th{background:#f3f0e7}
.note{border-left:4px solid var(--gold);background:#fbf8ee;padding:14px 16px;border-radius:0 12px 12px 0;margin:20px 0}
.callout{background:var(--dark);color:#fff;border-radius:18px;padding:22px;margin:30px 0}
.callout h3{margin-top:0}.callout p{color:#d6d8db}.callout .btn{background:var(--gold);color:#111}
.sidebar{position:sticky;top:98px}
.sidecard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 6px 18px rgba(0,0,0,.04);margin-bottom:16px}
.sidecard img{border-radius:12px;margin-bottom:12px}
.sidecard h3{margin:.25em 0 .4em}
.sidecard ul{list-style:none;margin:0;padding:0}
.sidecard li{border-top:1px solid #ece9e1}
.sidecard li:first-child{border-top:0}
.sidecard a{display:block;text-decoration:none;padding:9px 0;font-size:.91rem}
.breadcrumbs{font-size:.84rem;color:#62666c;margin-bottom:18px}
.breadcrumbs a{text-decoration:none;color:#3b665b}
.section-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;text-decoration:none;display:block}
.card:hover{box-shadow:var(--shadow)}
.card h3{margin:.2em 0 .35em}
.card p{color:var(--muted);font-size:.94rem}
.hub{padding:54px 0 80px}
.hub-intro{max-width:780px}
.related{padding-top:16px;border-top:1px solid var(--line);margin-top:34px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.related a{background:#f7f4ec;border:1px solid #e5e0d5;border-radius:12px;padding:13px;text-decoration:none;font-weight:720}
.product-strip{background:#16191d;color:#fff;padding:38px 0}
.product-strip .inner{display:grid;grid-template-columns:180px 1fr auto;gap:26px;align-items:center}
.product-strip img{background:#fff;border-radius:16px}
.product-strip h2{margin:0 0 8px;font-size:1.65rem}
.product-strip p{color:#c8cbd0;margin:0}
footer{background:#0b0d0f;color:#cdd0d4;padding:36px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
footer a{color:#e8e8e8;text-decoration:none}
footer ul{list-style:none;padding:0;margin:0}footer li{margin:7px 0}
.disclosure{font-size:.84rem;color:#aeb3ba;max-width:72ch}
.popup{position:fixed;right:20px;bottom:20px;width:min(430px,calc(100% - 32px));background:#fff;border:1px solid #d9d4c9;border-radius:20px;box-shadow:0 25px 65px rgba(0,0,0,.25);padding:14px;z-index:120;display:none}
.popup.show{display:block;animation:rise .25s ease-out}
@keyframes rise{from{transform:translateY(22px);opacity:0}to{transform:translateY(0);opacity:1}}
.popup-grid{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
.popup img{border-radius:12px}
.popup h3{margin:0 28px 5px 0;font-size:1.05rem}
.popup p{font-size:.84rem;color:#595d62;margin:0 0 9px}
.popup .btn{padding:9px 12px;font-size:.86rem}
.close{position:absolute;right:10px;top:9px;border:0;background:#f2eee5;width:30px;height:30px;border-radius:50%;font-size:1.15rem;cursor:pointer}
.sticky-buy{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;background:#0d0f12;color:#fff;border:1px solid #3b3e44;border-radius:999px;padding:7px 8px 7px 15px;z-index:80;display:flex;align-items:center;gap:12px;box-shadow:0 16px 40px rgba(0,0,0,.22)}
.sticky-buy span{font-size:.82rem;font-weight:720}.sticky-buy .btn{padding:9px 13px;border-radius:999px}
.popup.show ~ .sticky-buy{display:none}
.calc{background:#f7f4ec;border:1px solid var(--line);border-radius:16px;padding:20px;margin:20px 0}
.calc label{font-weight:800;display:block;margin-bottom:7px}
.calc input{width:100%;font:inherit;padding:10px 12px;border:1px solid #cfc9bd;border-radius:10px;background:#fff}
.calc-output{font-size:1.05rem;font-weight:800;margin-top:12px}
.faq details{border-top:1px solid var(--line);padding:13px 0}.faq summary{font-weight:820;cursor:pointer}
@media(max-width:900px){
  .hero-grid,.article-grid{grid-template-columns:1fr}.sidebar{position:static}.section-grid{grid-template-columns:1fr 1fr}
  .navlinks{display:none;position:absolute;top:70px;left:0;right:0;background:#0d0f12;padding:12px 18px 20px;flex-direction:column;align-items:stretch}
  .navlinks.open{display:flex}.menu-btn{display:block}.product-strip .inner{grid-template-columns:130px 1fr}.product-strip .inner>.btn{grid-column:1/-1}
}
@media(max-width:620px){
  .hero{padding-top:40px}.section-grid,.related-grid{grid-template-columns:1fr}
  .product-strip .inner{grid-template-columns:1fr}.product-strip img{max-width:190px}
  .footer-grid{grid-template-columns:1fr}.popup-grid{grid-template-columns:90px 1fr}
  .sticky-buy{left:14px;right:14px;transform:none;justify-content:space-between}.sticky-buy span{display:none}
}