.how-hero{background:linear-gradient(135deg,#fff 0%,#eef4ff 72%,#dce8ff 100%);border-bottom:1px solid var(--line)}
.how-hero .wrap{padding-top:66px;padding-bottom:58px}.how-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:42px;align-items:center}.how-hero h1{max-width:820px}.how-hero .lede{font-size:18px}.hero-panel{background:var(--navy);color:#fff;border-radius:18px;padding:25px;box-shadow:0 20px 50px rgba(14,27,51,.14)}.hero-panel .eyebrow{color:#8fb4ff}.hero-panel h2{color:#fff;font-size:23px}.hero-panel p{color:#c4d1eb;font-size:13px}.hero-panel .btn.secondary{background:transparent;color:#fff;border-color:#58709e}
.guide-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.guide-nav a{font:800 11px Montserrat;text-transform:uppercase;letter-spacing:.04em;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px}.guide-nav a.active{background:var(--navy);border-color:var(--navy);color:#fff}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.choice-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;text-decoration:none;position:relative;overflow:hidden;transition:.16s transform,.16s box-shadow,.16s border-color}.choice-card:hover{transform:translateY(-3px);border-color:#87aaff;box-shadow:0 16px 40px rgba(20,45,100,.09)}.choice-card .choice-num{font:900 58px Montserrat;color:#dbe7ff;line-height:1}.choice-card h2{font-size:27px;margin:8px 0 10px}.choice-card p{color:var(--ink);max-width:58ch}.choice-card .arrow{display:inline-block;color:var(--blue);font-weight:900;margin-top:14px}.choice-card.model{border-top:5px solid var(--blue)}.choice-card.audience{border-top:5px solid var(--navy)}
.guide-shell{display:grid;grid-template-columns:240px minmax(0,1fr);gap:38px;align-items:start}.guide-side{position:sticky;top:82px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.guide-side b{font:900 12px Montserrat;text-transform:uppercase;letter-spacing:.06em}.guide-side a{display:block;text-decoration:none;color:var(--ink);font-size:12px;font-weight:700;padding:9px 0;border-bottom:1px solid var(--line2)}.guide-side a:last-child{border:0}.guide-side a:hover{color:var(--blue)}
.guide-main{min-width:0}.guide-section{padding:4px 0 46px}.guide-section+.guide-section{padding-top:42px;border-top:1px solid var(--line)}.guide-section>p{color:var(--ink);max-width:72ch}.step-list{display:grid;gap:13px;margin-top:24px}.step-card{display:grid;grid-template-columns:54px minmax(0,1fr);gap:16px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px}.step-num{width:46px;height:46px;border-radius:12px;background:var(--pale);color:var(--blue);display:flex;align-items:center;justify-content:center;font:900 14px Montserrat}.step-card h3{font-size:17px;margin:0 0 5px}.step-card p{margin:0;color:var(--ink);font-size:13px}.step-card ul{margin:10px 0 0;padding-left:18px;color:var(--ink);font-size:13px}.step-card li+li{margin-top:5px}
.policy{background:var(--navy);color:#fff;border-radius:16px;padding:23px;margin:24px 0}.policy .eyebrow{color:#8fb4ff}.policy h3{color:#fff;font-size:21px;margin:0 0 8px}.policy p{color:#c4d1eb;margin:0;font-size:13px}.policy ul{color:#dce6fb;font-size:13px;padding-left:19px;margin:12px 0 0}.policy li+li{margin-top:6px}.policy.warn{background:#fff8e8;color:var(--navy);border:1px solid #efcf88}.policy.warn .eyebrow{color:#9a6500}.policy.warn h3{color:var(--navy)}.policy.warn p,.policy.warn ul{color:#6a531f}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.compare-card h3{font-size:18px;margin:0 0 8px}.compare-card p{font-size:13px;color:var(--ink)}.checklist{display:grid;gap:9px;margin-top:14px}.check{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start;font-size:13px;color:var(--ink)}.check i{width:18px;height:18px;border-radius:50%;background:var(--good-bg);color:var(--good);font-style:normal;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:11px}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:22px}.value-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.value-card b{font:800 14px Montserrat}.value-card p{font-size:12px;color:var(--ink);margin:7px 0 0}.value-card .mini{color:var(--blue);font:900 10px Montserrat;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.confidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.confidence{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.grade{width:38px;height:38px;border-radius:10px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font:900 18px Montserrat;margin-bottom:10px}.confidence h3{font-size:14px;margin:0 0 5px}.confidence p{font-size:11px;color:var(--ink);margin:0}
.quick-read{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}.quick{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}.quick span{display:block;color:var(--blue);font:900 10px Montserrat;letter-spacing:.08em;margin-bottom:7px}.quick b{font:800 14px Montserrat}.quick p{font-size:11px;color:var(--ink);margin:6px 0 0}
.faq{display:grid;gap:9px;margin-top:20px}.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 17px}.faq summary{cursor:pointer;font-weight:800}.faq p{font-size:13px;color:var(--ink);margin:10px 0 0}
.final-cta{background:linear-gradient(110deg,var(--blue),#174ca6);color:#fff;border-radius:20px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:24px}.final-cta h2{color:#fff;font-size:27px}.final-cta p{color:#dce6fb;margin:0}.final-cta .btn.secondary{background:#fff;color:var(--navy)}
@media(max-width:900px){.how-hero-grid,.guide-shell{grid-template-columns:1fr}.guide-side{position:static;display:flex;gap:14px;flex-wrap:wrap}.guide-side b{width:100%}.guide-side a{border:0;padding:2px 0}.value-grid{grid-template-columns:1fr 1fr}.confidence-grid,.quick-read{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.choice-grid,.compare,.value-grid,.confidence-grid,.quick-read{grid-template-columns:1fr}.how-hero .wrap{padding-top:44px;padding-bottom:40px}.step-card{grid-template-columns:42px 1fr;padding:16px}.step-num{width:38px;height:38px}.final-cta{align-items:flex-start;flex-direction:column}.topin{align-items:flex-start}.nav{justify-content:flex-end}}

/* V2.9.1 — audience/model value explanation */
.ecosystem>p{max-width:82ch}.ecosystem-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1.15fr;gap:10px;align-items:stretch;margin:24px 0}.eco-node{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;min-height:112px;display:flex;flex-direction:column;justify-content:center}.eco-node span{color:var(--blue);font:900 10px Montserrat;letter-spacing:.08em;margin-bottom:7px}.eco-node b{font:900 13px Montserrat;color:var(--navy)}.eco-node small{font-size:11px;color:var(--ink);margin-top:6px;line-height:1.4}.eco-arrow{display:flex;align-items:center;justify-content:center;color:var(--blue);font:900 22px Montserrat}
@media(max-width:980px){.ecosystem-flow{grid-template-columns:1fr}.eco-arrow{transform:rotate(90deg);height:18px}.eco-node{min-height:0}}