:root{
 --bg:#fff;
 --surface:oklch(0.978 0.006 245);
 --surface-2:oklch(0.950 0.011 245);
 --line:oklch(0.905 0.010 245);
 --ink:oklch(0.255 0.024 252);
 --ink-soft:oklch(0.415 0.022 252);
 --muted:oklch(0.470 0.020 252);
 --brand:oklch(0.470 0.110 248);
 --brand-ink:oklch(0.360 0.095 250);
 --brand-deep:oklch(0.280 0.070 252);
 --accent:oklch(0.770 0.150 68);
 --accent-strong:oklch(0.705 0.160 62);
 --measure:44rem; --wide:64rem;
 --r:14px; --r-sm:9px;
 --sh-sm:0 1px 2px rgba(18,28,48,.06),0 1px 3px rgba(18,28,48,.05);
 --sh:0 6px 20px rgba(18,28,48,.08),0 2px 6px rgba(18,28,48,.05);
 --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
 --font-head:'Newsreader',Georgia,'Times New Roman',serif;
 --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 24px}
main{max-width:var(--measure);margin:0 auto;padding:0 24px 76px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
h1,h2{font-family:var(--font-head);font-weight:600;line-height:1.13;letter-spacing:-.012em;color:var(--ink);text-wrap:balance}
h1{font-size:clamp(2.1rem,1.45rem+2.6vw,3.05rem);margin:.5em 0 .35em}
h2{font-size:clamp(1.45rem,1.15rem+1.1vw,1.9rem);margin:1.9em 0 .55em}
h3{font-family:var(--font-body);font-weight:700;font-size:1.06rem;margin:1em 0 .3em;color:var(--ink)}
p{text-wrap:pretty;margin:.7em 0}
.lede{font-size:1.2rem;line-height:1.55;color:var(--ink-soft);margin:.2em 0 1em}
.note{font-size:.92rem;color:var(--muted)}

/* header */
.site-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:saturate(1.5) blur(10px);border-bottom:1px solid var(--line)}
.head-in{max-width:var(--wide);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--brand);font-family:var(--font-head);font-weight:600;font-size:1.3rem}
.brand span{color:var(--ink)}.brand:hover{text-decoration:none}.mark{flex:none}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a{color:var(--ink-soft);font-weight:500;font-size:.95rem}
.site-nav a:hover{color:var(--ink);text-decoration:none}
.nav-cta{background:var(--ink);color:#fff!important;padding:9px 15px;border-radius:var(--r-sm);font-weight:600;transition:background .2s}
.nav-cta:hover{background:var(--brand-ink)}

/* breadcrumbs */
.crumbs{border-bottom:1px solid var(--line);background:var(--surface)}
.crumbs .wrap{padding:9px 24px;font-size:.82rem;color:var(--muted)}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--brand)}.crumbs span{opacity:.45;margin:0 3px}

/* hero */
.hero{margin-inline:calc(50% - 50vw);background:linear-gradient(180deg,var(--surface),#fff);border-bottom:1px solid var(--line)}
.hero-in{max-width:var(--wide);margin:0 auto;padding:60px 24px 64px;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(2.4rem,1.6rem+3vw,3.7rem);margin:0 0 .3em;animation:rise .6s var(--ease) both}
.hero-sub{font-size:1.22rem;line-height:1.5;color:var(--ink-soft);max-width:34ch;margin:0 0 1.5em;animation:rise .6s .06s var(--ease) both}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;animation:rise .6s .12s var(--ease) both}
.hero-art{display:flex;justify-content:center;animation:rise .7s .1s var(--ease) both}
.hero-art svg{width:100%;height:auto;max-width:380px}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:9px 20px;padding:0;margin:1.9em 0 0;animation:rise .6s .18s var(--ease) both}
.trust li{position:relative;padding-left:22px;font-size:.9rem;color:var(--ink-soft)}
.trust li::before{content:"✓";position:absolute;left:0;top:-1px;color:var(--accent-strong);font-weight:800}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;padding:13px 22px;border-radius:var(--r-sm);cursor:pointer;transition:transform .15s var(--ease),box-shadow .2s,background .2s,border-color .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:oklch(0.30 0.07 60);box-shadow:var(--sh-sm)}
.btn-accent:hover{background:var(--accent-strong);box-shadow:var(--sh)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-ink)}

/* cost tables + range bars */
table.costs{width:100%;border-collapse:collapse;margin:1.2em 0;font-variant-numeric:tabular-nums}
table.costs thead th{text-align:left;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:0 14px 9px;border-bottom:1px solid var(--line)}
table.costs td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
table.costs tbody tr{transition:background .12s}
table.costs tbody tr:hover td{background:var(--surface)}
td.item{font-weight:600;color:var(--ink)}
td.val{width:52%}td.val.share{width:34%}td.amt{font-weight:700;white-space:nowrap}
.rangewrap{display:flex;flex-direction:column;gap:7px}
.rangewrap .num{font-weight:700;color:var(--ink);font-size:.98rem}
.bar{position:relative;height:7px;border-radius:99px;background:var(--surface-2)}
.bar i{position:absolute;top:0;bottom:0;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--accent))}

/* lists */
.drivers,.prose-list{padding-left:1.25em;margin:.7em 0}
.drivers li,.prose-list li{margin:.4em 0}
.drivers li::marker,.prose-list li::marker{color:var(--accent-strong)}
ul.related{list-style:none;padding:0;margin:1em 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:9px}
ul.related li a{display:block;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--ink);font-weight:500;font-size:.95rem;transition:transform .15s var(--ease),border-color .15s,box-shadow .2s}
ul.related li a:hover{border-color:var(--brand);color:var(--brand-ink);text-decoration:none;box-shadow:var(--sh-sm);transform:translateY(-1px)}

/* pros & cons */
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:1.2em 0}
.proscons>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 22px}
.proscons h3{margin-top:0}.proscons ul{margin:.4em 0 0;padding-left:1.15em}.proscons li{margin:.4em 0}
.proscons li::marker{color:var(--brand)}

/* cta band */
.cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:var(--brand-deep);color:#fff;border-radius:var(--r);padding:26px 30px;margin:2em 0;box-shadow:var(--sh)}
.cta h3{font-family:var(--font-head);font-weight:600;font-size:1.4rem;color:#fff;margin:0 0 .2em}
.cta p{margin:0;color:oklch(0.85 0.03 250)}
.cta .btn-accent{flex:none}

/* faq */
.faq{margin-top:1.2em}
.faq details{border:1px solid var(--line);border-radius:var(--r-sm);margin:10px 0;background:#fff;transition:box-shadow .2s,border-color .2s}
.faq details[open]{box-shadow:var(--sh-sm);border-color:oklch(0.86 0.02 250)}
.faq summary{font-weight:600;cursor:pointer;padding:15px 44px 15px 18px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.4rem;font-weight:400;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 18px 15px;color:var(--ink-soft)}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:1.6em 0}
.calc label{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:.9rem;color:var(--ink)}
.calc input,.calc select{padding:12px 13px;border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;font-size:1rem;background:#fff;transition:border-color .15s,box-shadow .15s}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px oklch(0.470 0.110 248/.16)}
.result{background:var(--brand-deep);color:#fff;border-radius:var(--r);padding:28px;text-align:center;box-shadow:var(--sh)}
.result .big{display:block;font-family:var(--font-head);font-weight:600;font-size:clamp(2rem,1.4rem+2.6vw,2.9rem);color:var(--accent);letter-spacing:-.01em}
.result .cap{display:block;margin-top:.35em;color:oklch(0.86 0.03 250)}
.result small{color:oklch(0.74 0.03 250)}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--surface);margin-top:44px}
.site-foot .wrap{padding:34px 24px 46px}
.foot-brand{display:flex;align-items:center;gap:9px;color:var(--brand);font-family:var(--font-head);font-size:1.2rem}
.foot-brand strong{color:var(--ink);font-weight:600}
.site-foot .tagline{color:var(--ink-soft);margin:.5em 0 .3em}
.disclaimer{font-size:.82rem;color:var(--muted);max-width:72ch}

@keyframes rise{from{transform:translateY(12px)}to{transform:none}}
@media(max-width:820px){
 .hero-in{grid-template-columns:1fr;gap:26px;padding:40px 24px 46px}
 .hero-art{order:-1;max-width:280px;margin:0 auto}.hero-sub{max-width:none}
}
@media(max-width:640px){
 .calc,.proscons{grid-template-columns:1fr}
 .site-nav a:not(.nav-cta){display:none}
 .cta{flex-direction:column;align-items:flex-start}
 td.val{width:auto}
}
/* cta actions + lead form */
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.leadform{display:flex;flex-direction:column;gap:15px;max-width:540px;margin:1.5em 0}
.leadform label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem;color:var(--ink)}
.leadform input,.leadform select,.leadform textarea{padding:12px 13px;border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;font-size:1rem;background:#fff;transition:border-color .15s,box-shadow .15s}
.leadform input:focus,.leadform select:focus,.leadform textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px oklch(0.470 0.110 248/.16)}
.leadform textarea{resize:vertical}
.leadform .btn{align-self:flex-start;margin-top:2px}
.lf-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.fineprint{font-size:.8rem;color:var(--muted);margin:0}
@media(max-width:640px){.lf-row{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}