:root{--bg:#090a0d;--panel:#14151a;--panel2:#1b1b20;--text:#f7f7f8;--muted:#c0c1c8;--yellow:#ffd800;--line:#37373b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.66}a{color:inherit}button{font:inherit}img{max-width:100%}.wrap{max-width:1200px;margin:auto;padding:0 24px}.skip{position:absolute;top:-100px;left:12px;background:#fff;color:#000;padding:8px;z-index:40}.skip:focus{top:12px}.top{background:#080808;border-bottom:1px solid #333;position:sticky;top:0;z-index:10}.topinner{min-height:78px;display:flex;align-items:center;gap:25px}.logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}.logo img{width:146px;height:68px;object-fit:contain}.nav{display:flex;align-items:center;gap:17px;flex:1;justify-content:center}.nav a{text-decoration:none;font-size:14px;font-weight:700;color:#e4e4e4;white-space:nowrap}.nav a:hover,.nav a[aria-current=page]{color:var(--yellow)}.navbutton{display:none;border:1px solid #555;color:#fff;background:transparent;padding:9px 12px;border-radius:8px}.cta{display:inline-flex;align-items:center;justify-content:center;background:var(--yellow);color:#0a0a0a;border:0;border-radius:10px;font-weight:850;cursor:pointer;padding:14px 22px;text-align:center;box-shadow:0 5px 20px #0004}.cta:hover{background:#ffea4e}.cta:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #fff;outline-offset:3px}.hero{background:linear-gradient(90deg,#070707 0%,#090909ed 34%,#09090955 67%,#09090922),url('hero.svg') center center/cover no-repeat;min-height:440px;display:flex;align-items:center;border-bottom:1px solid #524923}.heroinner{padding:72px 24px;max-width:1200px;width:100%;margin:auto}.hero .copy{max-width:680px}.eyebrow{color:var(--yellow);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:13px}.hero h1{font-size:clamp(35px,4.5vw,61px);line-height:1.1;letter-spacing:-.04em;margin:14px 0 20px}.hero p{font-size:18px;color:#f0f0f0;max-width:620px}.herolinks{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.secondary{border:1px solid #d1d1d1;padding:13px 22px;border-radius:10px;text-decoration:none;font-weight:700;background:#111a}.bar{background:#131313;border-bottom:1px solid #373737}.bar .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-top:16px;padding-bottom:16px}.bar span{font-weight:650;font-size:13px;color:#f2f2f2}.bar b{color:var(--yellow);margin-right:8px}.crumb{color:#aeb0b6;font-size:13px;padding:20px 0}.crumb a{color:#ddd}.content{padding:38px 24px 65px}h2{font-size:clamp(25px,2.5vw,34px);letter-spacing:-.025em;line-height:1.2;margin:42px 0 18px}h3{font-size:21px;margin:22px 0 10px}p{margin:0 0 17px}main p,main li{color:#d7d7db}.lead{font-size:18px;max-width:940px}.section{margin:0 0 32px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:linear-gradient(145deg,#242323,#121317);border:1px solid #4a4231;border-radius:16px;padding:24px;min-height:195px}.card h3{margin:8px 0 10px;color:#fff}.card a{color:var(--yellow);font-weight:750;text-decoration:none}.card p{font-size:15px}.card .symbol{font-size:34px}.notice{border-left:4px solid var(--yellow);background:#202020;padding:20px 24px;margin:28px 0;border-radius:0 10px 10px 0}.tablewrap{overflow-x:auto;border:1px solid #404044;border-radius:12px;margin:18px 0 30px}table{border-collapse:collapse;width:100%;min-width:540px}th,td{padding:14px 17px;text-align:left;border-bottom:1px solid #373737;vertical-align:top}th{background:#25241d;color:#ffdf4b}tr:last-child td{border-bottom:0}.faq details{background:#1b1b1e;border:1px solid #38383c;padding:18px 21px;margin-bottom:10px;border-radius:10px}.faq summary{font-weight:750;cursor:pointer}.faq details p{padding-top:15px;margin-bottom:0}.bottomcta{background:linear-gradient(110deg,#292510,#111);border:1px solid #665923;border-radius:18px;padding:30px;margin-top:42px}.bottomcta h2{margin:0 0 12px}.foot{border-top:1px solid #373737;background:#101014;padding:38px 0}.footlinks{display:flex;gap:18px;flex-wrap:wrap}.footlinks a{font-size:13px;color:#d7d7d7}.foot p{font-size:13px;color:#a9a9ac}.tag{display:inline-block;background:#2d2815;color:#ffe26d;border:1px solid #665a2a;border-radius:100px;padding:4px 12px;font-size:12px;font-weight:750}.checklist li{margin:7px 0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel{background:#17171a;border:1px solid #38383c;border-radius:13px;padding:23px}@media(max-width:990px){.nav{gap:9px}.nav a{font-size:12px}.logo img{width:120px}.topinner>.cta{display:none}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.topinner{justify-content:space-between;min-height:65px}.logo img{height:52px;width:114px}.navbutton{display:block}.nav{display:none;position:absolute;top:65px;left:0;right:0;background:#121212;padding:20px 24px;flex-direction:column;align-items:stretch;border-bottom:1px solid #555}.nav.open{display:flex}.nav a{font-size:16px;padding:7px 0}.hero{background-position:65% center;min-height:400px}.heroinner{padding:56px 24px}.hero h1{font-size:38px}.hero p{font-size:16px}.bar .wrap{grid-template-columns:repeat(2,1fr)}.cards,.grid2{grid-template-columns:1fr}.content{padding-top:20px}.bottomcta{padding:24px}}@media(max-width:420px){.hero h1{font-size:32px}.bar .wrap{grid-template-columns:1fr 1fr;gap:12px}.wrap{padding-left:17px;padding-right:17px}.heroinner{padding-left:17px;padding-right:17px}.cta{width:100%}.secondary{width:100%;text-align:center}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* SEO v2 editorial and responsive refinements */
.section.seo-depth{margin-block:22px 28px}.section.seo-depth h2{margin-bottom:12px}.section.seo-depth p{max-width:80ch;line-height:1.75;margin:0 0 13px}.section.seo-depth p:last-child{margin-bottom:0}.hero{background-size:cover;background-repeat:no-repeat}.cards img{width:100%;height:auto;object-fit:cover}.content .section{scroll-margin-top:90px}@media(max-width:760px){.section.seo-depth{margin-block:18px 24px}.section.seo-depth p{line-height:1.68}}

/* SEO v3: reading rhythm, responsive layout and accessibility */
.practical-v3{max-width:970px;margin:26px 0 34px;padding:24px 28px;border:1px solid #3c3827;border-radius:16px;background:linear-gradient(140deg,#19191b,#101013)}.practical-v3 h2{margin:0 0 20px}.practical-v3 h3{font-size:19px;color:#ffe064;margin:19px 0 7px}.practical-v3 p{max-width:85ch;margin:0 0 12px;line-height:1.68}.practical-v3 p:last-child{margin-bottom:0}.section{margin-bottom:24px}.section>h2{margin-top:32px}.hero{background-position:56% center}.hero .copy{background:linear-gradient(90deg,#090909c9,#09090955 75%,transparent);border-radius:14px}.cards .card{min-width:0}.faq details[open]{border-color:#8b7624}@media(max-width:760px){.practical-v3{padding:20px 18px}.practical-v3 h3{font-size:18px}.hero{background-position:68% center}.hero .copy{background:#08080bd9;padding:14px}}

/* Hero v4: photographic background, readable copy, responsive crop */
.hero{background-image:linear-gradient(90deg,rgba(5,5,7,.97) 0%,rgba(5,5,7,.88) 28%,rgba(5,5,7,.45) 54%,rgba(5,5,7,.10) 100%),url("hero.webp");background-size:cover;background-position:center 43%;background-repeat:no-repeat}
.hero .copy{background:none;max-width:620px}.heroinner{position:relative}
@media(max-width:760px){.hero{background-image:linear-gradient(90deg,rgba(5,5,7,.94),rgba(5,5,7,.69)),url("hero.webp");background-position:60% center}.hero .copy{background:rgba(5,5,7,.38);padding:16px;border-radius:12px}}