.guide-review{font-size:14px;letter-spacing:.02em;background:#e5edf3;color:#234157;padding:8px 20px;text-align:center}
.guide-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:52px;align-items:center;padding-top:54px;padding-bottom:44px}
.guide-hero h1{font-size:clamp(3rem,4.9vw,4.6rem);line-height:1.04;margin-bottom:24px}
.guide-hero .eyebrow{font-size:14px;letter-spacing:.09em;color:#a23c30}
.guide-deck{font-size:19px;line-height:1.65;color:var(--muted);max-width:590px;margin-bottom:26px}
.guide-hero figure{margin:0;min-width:0}
.guide-hero figure img{width:100%;height:355px;object-fit:cover;border-bottom:5px solid #ad4338}
.guide-hero figcaption{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.5}
.guide-hero .flex-exterior img{height:auto;aspect-ratio:4/3;object-fit:contain}
.guide-hero .blueprint img{filter:brightness(1.22)}
.guide-hero .manufacturing-progress img{object-fit:contain;background:#fff}
.guide-feature{margin:30px 0 0}
.guide-feature img{display:block;width:100%;height:360px;object-fit:cover;object-position:50% 55%;border-bottom:4px solid #ad4338}
.guide-feature figcaption{font-size:12px;line-height:1.5;color:var(--muted);margin-top:10px}
@media(max-width:760px){.guide-feature img{height:290px}}
.guide-menu{background:#16364e;color:#fff;border-top:1px solid #27465b}
.guide-menu .wrap{display:flex;gap:28px;align-items:center;padding-top:14px;padding-bottom:14px;overflow:auto;white-space:nowrap}
.guide-menu a{font-size:15px;text-decoration:none;border-bottom:2px solid transparent;padding:5px 0}
.guide-menu a[aria-current="page"]{border-color:#ebc789;color:#f6dca8}
.guide-menu a:hover{color:#f6dca8}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:70px;align-items:start;padding-top:22px;padding-bottom:48px}
.guide-body{min-width:0}
.guide-section{padding:38px 0;border-bottom:1px solid var(--line);scroll-margin-top:145px}
.guide-section h2{font-size:clamp(2.4rem,3.5vw,3.2rem);line-height:1.12;margin-bottom:24px}
.guide-section p{font-size:17px;line-height:1.8}
.guide-section .eyebrow,.guide-sources .eyebrow{font-size:14px;line-height:1.5;letter-spacing:.1em}
.source-link{font-size:15px;display:inline;color:#0c506b}
.guide-note{border-left:3px solid #a63b2e;background:#e9f0f4;padding:23px 25px;margin:28px 0 0}
.guide-note strong{font-size:19px}
.guide-note p{font-size:16px;margin:10px 0 0}
.guide-sidebar{position:sticky;top:158px;padding-top:40px}
.guide-sidebar>p{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:18px}
.guide-sidebar nav{display:flex;flex-direction:column;gap:15px;border-bottom:1px solid var(--line);padding-bottom:28px}
.guide-sidebar nav a{font-size:15px;text-decoration:none}
.guide-sidebar .sidebar-sponsor{padding-top:26px}
.sidebar-sponsor img{width:140px;height:94px;object-fit:contain;background:#fff;padding:8px;margin-bottom:18px}
.sidebar-sponsor strong{display:block;font-size:16px;margin:0 0 10px}
.sidebar-sponsor p{font-size:14px;line-height:1.7;color:var(--muted)}
.sidebar-sponsor a{font-size:15px;font-weight:650;color:#9c352b}
.decision-list{padding:0;list-style:none;counter-reset:decisions}
.decision-list li{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line);counter-increment:decisions}
.decision-list li:last-child{border-bottom:0;padding-bottom:0}
.decision-list li:before{content:counter(decisions,decimal-leading-zero);font:36px/1 var(--serif);color:#a63b2e;min-width:38px}
.decision-list h3{font-size:20px;margin-bottom:8px}
.decision-list p{margin:0;font-size:16px;color:var(--muted)}
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.use-grid article{background:#fff;border:1px solid var(--line);padding:23px 20px}
.use-grid article>span{font-size:13px;letter-spacing:.06em;color:#a13c31}
.use-grid h3{font-size:19px;line-height:1.35;margin:18px 0 12px}
.use-grid p{font-size:16px;color:var(--muted);line-height:1.7;margin:0}
.guide-section .guide-small{font-size:14px;color:var(--muted);margin:20px 0 0}
.guide-sources{padding:32px 0}
.guide-sources ul{list-style:none;padding:0;margin:20px 0}
.guide-sources li{padding:14px 0;border-bottom:1px solid var(--line)}
.guide-sources li small{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.guide-sources a{font-size:16px}
.guide-next{background:#e8eff3;padding:28px;margin-bottom:30px}
.guide-next h2{font-size:31px;margin-bottom:17px}
.guide-next div{display:flex;flex-wrap:wrap;gap:14px 28px}
.guide-next a{font-size:16px}
.guide-cta{background:#16364e;color:white;padding:32px;display:flex;align-items:center;gap:28px;justify-content:space-between;margin-bottom:52px;border-top:4px solid #a63b2e}
.guide-cta h2{font-size:34px;margin:0 0 13px}
.guide-cta .cta-logo{width:130px;height:90px;object-fit:contain;background:#fff;padding:9px;flex-shrink:0}
.guide-cta p{font-size:16px;color:#d6e2e9;max-width:670px;margin:0}
.guide-cta a{background:#fff;color:#15374e;text-decoration:none;font-size:16px;font-weight:650;padding:15px 22px;white-space:nowrap}
.guide-home-section{border-top:1px solid var(--line)}
.guide-home-section .guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-cards article{padding:25px;border-top:3px solid #a63b2e;background:#edf2f5}
.guide-cards .eyebrow{font-size:13px}
.guide-cards h3{font:30px/1.15 var(--serif);margin-bottom:15px}
.guide-cards p{font-size:16px;color:var(--muted)}
.guide-cards a{font-size:16px;font-weight:650}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.check-grid article{padding:24px;background:#fff;border:1px solid var(--line)}
.check-grid h3{font-size:21px}.check-grid p{font-size:16px;margin-bottom:0;color:var(--muted)}
.guide-faq details{border-bottom:1px solid var(--line);padding:20px 0}
.guide-faq summary{cursor:pointer;font-weight:650;font-size:18px;line-height:1.5;padding-right:20px}
.guide-faq details p{font-size:16px;color:var(--muted);margin:15px 0 0}
@media(max-width:1080px){.guide-hero{gap:32px}.guide-layout{grid-template-columns:minmax(0,1fr) 220px;gap:34px}.use-grid{grid-template-columns:1fr}.use-grid article{padding:24px}.guide-hero figure img{height:330px}.guide-home-section .guide-cards{gap:14px}.guide-cards article{padding:20px}}
@media(max-width:760px){.guide-hero{grid-template-columns:1fr;gap:24px;padding-top:30px;padding-bottom:30px}.guide-hero h1{font-size:3.2rem}.guide-hero figure img{height:240px}.guide-deck{font-size:18px}.guide-layout{grid-template-columns:1fr;gap:0}.guide-sidebar{position:static;padding:0;grid-row:1}.guide-sidebar>p{display:none}.guide-sidebar nav{flex-direction:row;flex-wrap:wrap;gap:10px 19px;padding:16px 0}.guide-sidebar .sidebar-sponsor{display:none}.guide-menu .wrap{gap:24px;padding-top:9px;padding-bottom:9px}.guide-section{padding:30px 0;scroll-margin-top:130px}.guide-section h2{font-size:2.65rem}.guide-section p{font-size:16px}.guide-cta{display:block;padding:26px}.guide-cta a{display:inline-block;margin-top:22px}.guide-home-section .guide-cards,.check-grid{grid-template-columns:1fr}.guide-review{font-size:12px}.guide-section .eyebrow{font-size:13px}.decision-list li{gap:16px}.guide-next{padding:23px}.guide-next div{display:grid;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.guide-cta .cta-logo{margin-bottom:23px}}