:root{--bg:#FAFAF7;--bg-2:#F2F3EC;--ink:#0B0F0A;--ink-2:#39423A;--ink-mut:#6B7464;--line:#E5E7DD;--line-2:#D7DACE;--card:#FFFFFF;
--acc:#84CC16;--acc-bright:#BEF264;--acc-deep:#3F6212;--dark:#0B0F0A;--on-dark:#F4F6EF;--on-dark-mut:#A7B098;
--r:18px;--r-lg:26px;--maxw:820px;--sh-1:0 1px 2px rgba(11,15,10,.05),0 6px 20px -8px rgba(11,15,10,.1);
--sh-2:0 4px 10px -4px rgba(11,15,10,.1),0 24px 50px -18px rgba(11,15,10,.2);--ease:cubic-bezier(.22,1,.36,1);
--font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--display:'Sofia Sans','Inter',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;font-size:17px;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}
a,button{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2.5px solid var(--acc-deep);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--display);line-height:1.08;letter-spacing:-.025em;font-weight:800;color:var(--ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap-wide{max-width:1100px;margin:0 auto;padding:0 22px}
/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(250,250,247,.86);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1100px;margin:0 auto;padding:0 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.04em}
.brand svg{width:28px;height:28px}.brand b{color:var(--acc-deep)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 12px;border-radius:10px;font-weight:550;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:.2s}
.nav-links a:hover{background:var(--bg-2);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:650;border-radius:12px;padding:12px 20px;transition:transform .25s var(--ease),box-shadow .25s;white-space:nowrap}
.btn-acc{background:var(--acc);color:#16270a;font-weight:700}.btn-acc:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(132,204,22,.6)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line-2)}.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.menu-btn{display:none}
/* breadcrumb */
.crumb{font-size:13.5px;color:var(--ink-mut);padding:22px 0 0}
.crumb a{color:var(--acc-deep);font-weight:600}.crumb span{margin:0 7px}
/* article */
.art{padding:14px 0 70px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--acc-deep);margin-top:18px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--acc);border-radius:2px}
.art h1{font-size:clamp(30px,5vw,48px);font-weight:900;margin:14px 0 14px}
.art .lede{font-size:19px;color:var(--ink-2);line-height:1.55;margin-bottom:8px}
.takeaways{background:var(--dark);color:var(--on-dark);border-radius:var(--r-lg);padding:26px 28px;margin:30px 0}
.takeaways h2{color:#fff;font-size:17px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.takeaways ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.takeaways li{position:relative;padding-left:26px;color:var(--on-dark);font-size:15.5px;line-height:1.5}
.takeaways li::before{content:"";position:absolute;left:0;top:8px;width:11px;height:11px;border-radius:3px;background:var(--acc-bright)}
.prose{font-size:17.5px;line-height:1.75}
.prose h2{font-size:clamp(23px,3.2vw,30px);margin:38px 0 12px}
.prose h3{font-size:20px;margin:26px 0 8px}
.prose p{margin:0 0 16px;color:var(--ink-2)}
.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--ink-2)}.prose li{margin:6px 0}
.prose strong{color:var(--ink)}
.prose a{color:var(--acc-deep);font-weight:600;text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line-2)}
.prose a:hover{text-decoration-color:var(--acc)}
/* faq */
.faq{margin:42px 0 0}
.faq h2{font-size:26px;margin-bottom:8px}
.qa{border-bottom:1px solid var(--line)}
.qa summary{cursor:pointer;list-style:none;padding:20px 4px;font-size:17.5px;font-weight:650;letter-spacing:-.02em;display:flex;justify-content:space-between;gap:16px;align-items:center}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:24px;color:var(--acc-deep);font-weight:400;transition:.3s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .a{padding:0 4px 22px;color:var(--ink-2);font-size:16px;line-height:1.65}
/* related + sources */
.related{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;margin:40px 0 0}
.related h2{font-size:20px;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips a{font-size:14px;font-weight:600;padding:9px 15px;border-radius:11px;background:var(--card);border:1px solid var(--line-2);color:var(--ink-2);transition:.2s}
.chips a:hover{border-color:var(--acc);color:var(--ink)}
.sources{margin:38px 0 0;font-size:13.5px;color:var(--ink-mut)}
.sources h2{font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-mut);margin-bottom:10px}
.sources ol{margin-left:18px}.sources li{margin:5px 0}
.sources a{color:var(--acc-deep);word-break:break-word}
.disc{margin:34px 0 0;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;font-size:13.5px;color:var(--ink-mut);line-height:1.6}
/* index grid */
.hero-h{padding:40px 0 6px}
.hero-h h1{font-size:clamp(32px,5.5vw,54px);font-weight:900;margin:14px 0 12px}
.hero-h p{font-size:19px;color:var(--ink-2);max-width:60ch}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:34px 0 70px}
.ccard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.ccard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--acc)}
.ccard .tag{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--acc-deep)}
.ccard h2{font-size:20px;margin:9px 0 9px;line-height:1.2}
.ccard p{font-size:14.5px;color:var(--ink-mut);line-height:1.5;flex:1}
.ccard .more{margin-top:16px;font-weight:700;font-size:14px;color:var(--acc-deep)}
.rmeta{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0 0;font-size:14px;color:var(--ink-mut)}
.rmeta b{color:var(--ink);font-weight:700}
.macro-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:24px 0}
.macro-strip .m{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px 12px;text-align:center}
.macro-strip .m b{display:block;font-family:var(--display);font-size:23px;font-weight:800;color:var(--ink)}
.macro-strip .m.p b{color:var(--acc-deep)}
.macro-strip .m span{font-size:11.5px;color:var(--ink-mut);text-transform:uppercase;letter-spacing:.03em}
.rlist{margin:8px 0 0}
.rlist h2{font-size:22px;margin:30px 0 10px}
.rlist ul,.rlist ol{margin-left:20px}.rlist li{margin:9px 0;color:var(--ink-2);line-height:1.6}
/* footer */
footer{background:var(--dark);color:var(--on-dark);margin-top:60px;padding:48px 0 30px}
footer .brand{color:#fff}footer .brand b{color:var(--acc-bright)}
footer .fnav{display:flex;flex-wrap:wrap;gap:8px 20px;margin:18px 0 0}
footer .fnav a{color:var(--on-dark);opacity:.85;font-size:14.5px}footer .fnav a:hover{opacity:1;color:var(--acc-bright)}
footer .fbot{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--on-dark-mut)}
@media(max-width:760px){.cards{grid-template-columns:1fr}.nav-links a:not(.btn){display:none}.macro-strip{grid-template-columns:repeat(2,1fr)}}