.hbb-template{background:#f7f8f5}
.hbb-page-hero{position:relative;overflow:hidden;padding:clamp(50px,7vw,92px) 0;background:radial-gradient(circle at 8% 0,rgba(64,161,124,.3),transparent 34%),radial-gradient(circle at 96% 96%,rgba(243,107,53,.18),transparent 28%),linear-gradient(135deg,#0c201a,#173f33 58%,#102b23);color:#fff}
.hbb-page-hero:after{position:absolute;right:-130px;bottom:-210px;width:460px;height:460px;border:1px solid rgba(255,255,255,.1);border-radius:50%;box-shadow:0 0 0 66px rgba(255,255,255,.025);content:""}
.hbb-page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);gap:clamp(38px,6vw,80px);align-items:center}
.hbb-page-hero .breadcrumbs{margin-bottom:22px;color:#b9d5ca}
.hbb-page-hero .breadcrumbs a{color:#d6ebe3}
.hbb-page-hero-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:17px;padding:8px 13px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:rgba(255,255,255,.08);color:#cce8dd;font-size:.77rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb-page-hero-kicker:before{width:8px;height:8px;border-radius:50%;background:#f36b35;box-shadow:0 0 0 5px rgba(243,107,53,.13);content:""}
.hbb-page-hero h1{max-width:760px;margin:0;color:#fff;font-size:clamp(2.55rem,5.6vw,5rem);line-height:1.01;letter-spacing:-.047em}
.hbb-page-hero-copy>p{max-width:700px;margin:24px 0 0;color:#d5e6df;font-size:clamp(1.04rem,1.9vw,1.25rem);line-height:1.65}
.hbb-page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.hbb-page-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:12px 19px;border:1px solid #f36b35;border-radius:12px;background:#f36b35;color:#fff!important;font-weight:850;text-decoration:none}
.hbb-page-button:hover{background:#c74719}
.hbb-page-button-secondary{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.08)}
.hbb-page-button-secondary:hover{background:rgba(255,255,255,.15)}
.hbb-page-hero-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}
.hbb-page-hero-trust span{padding:7px 10px;border:1px solid rgba(255,255,255,.13);border-radius:999px;color:#bfd8ce;font-size:.78rem;font-weight:750}
.hbb-page-hero-media{position:relative;overflow:hidden;margin:0;border:1px solid rgba(255,255,255,.16);border-radius:26px;background:#071510;box-shadow:0 28px 70px rgba(0,0,0,.32)}
.hbb-page-hero-media img{display:block;width:100%;min-height:410px;aspect-ratio:16/9;object-fit:cover;object-position:center}
.hbb-page-hero-media:after{position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(5,18,14,.91));content:""}
.hbb-page-hero-media figcaption{position:absolute;z-index:1;right:24px;bottom:22px;left:24px;display:flex;flex-direction:column;color:#fff}
.hbb-page-hero-media figcaption strong{color:#bfe8d8;font-size:.73rem;letter-spacing:.08em;text-transform:uppercase}
.hbb-page-hero-media figcaption span{margin-top:3px;font-size:1.18rem;font-weight:900}
.hbb-page{padding:clamp(34px,6vw,74px) 0 90px}
.hbb-page>.hb-wrap{width:min(1180px,calc(100% - 32px))}
.hbb-template .hbb-inline-hero{display:none}

.hbb{--hbb-ink:#10231d;--hbb-green:#1d624c;--hbb-green-2:#2f8b6b;--hbb-mint:#e8f5ef;--hbb-orange:#f36b35;--hbb-orange-dark:#c74719;--hbb-cream:#f6f3eb;--hbb-line:#dce5e0;--hbb-muted:#53665f;--hbb-white:#fff;color:var(--hbb-ink);font-size:1rem;line-height:1.72}
.hbb,.hbb *{box-sizing:border-box}
.hbb a{text-underline-offset:3px}
.hbb .hbb-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 15px;padding:7px 12px;border-radius:999px;background:var(--hbb-mint);color:var(--hbb-green);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-kicker:before{width:8px;height:8px;border-radius:50%;background:var(--hbb-orange);content:""}
.hbb .hbb-lead{max-width:920px;margin:0 0 32px;color:#243d34;font-size:clamp(1.08rem,1.8vw,1.25rem);line-height:1.72}
.hbb .hbb-inline-hero{position:relative;overflow:hidden;margin:0 0 34px;border-radius:25px;background:#10231d;box-shadow:0 22px 60px rgba(16,35,29,.17)}
.hbb .hbb-inline-hero img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.hbb .hbb-inline-hero:after{position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(5,18,14,.9));content:""}
.hbb .hbb-inline-hero figcaption{position:absolute;z-index:1;right:25px;bottom:23px;left:25px;display:flex;flex-direction:column;color:#fff}
.hbb .hbb-inline-hero figcaption strong{color:#bfe8d8;font-size:.73rem;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-inline-hero figcaption span{font-size:1.12rem;font-weight:900}

.hbb .hbb-verdict{position:relative;overflow:hidden;margin:0 0 28px;padding:clamp(26px,4vw,44px);border-radius:25px;background:radial-gradient(circle at 95% 10%,rgba(243,107,53,.2),transparent 33%),linear-gradient(135deg,#10231d,#1d624c);color:#fff;box-shadow:0 20px 52px rgba(16,35,29,.18)}
.hbb .hbb-verdict:after{position:absolute;right:-70px;bottom:-100px;width:220px;height:220px;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 34px rgba(255,255,255,.025);content:""}
.hbb .hbb-overline{display:block;margin-bottom:9px;color:#bfe8d8;font-size:.74rem;font-weight:900;letter-spacing:.11em;text-transform:uppercase}
.hbb .hbb-verdict h2{position:relative;z-index:1;max-width:940px;margin:0 0 18px;color:#fff;font-size:clamp(1.75rem,3.8vw,3rem)}
.hbb .hbb-verdict p{position:relative;z-index:1;max-width:980px;color:#d9e9e3}
.hbb .hbb-verdict p:last-child{margin-bottom:0}

.hbb .hbb-route-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:28px 0 38px}
.hbb .hbb-route{display:flex;min-width:0;flex-direction:column;padding:23px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(16,35,29,.05)}
.hbb .hbb-route-featured{border-color:#9dcdb9;box-shadow:inset 0 4px 0 var(--hbb-green-2),0 8px 24px rgba(16,35,29,.07)}
.hbb .hbb-route>span{color:var(--hbb-green);font-size:.72rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.hbb .hbb-route h3{margin:8px 0 10px;font-size:1.18rem}
.hbb .hbb-route p{margin-bottom:16px;color:var(--hbb-muted);font-size:.91rem}
.hbb .hbb-route a{margin-top:auto;color:var(--hbb-green);font-size:.9rem;font-weight:900;text-decoration:none}
.hbb .hbb-route a:after{margin-left:6px;color:var(--hbb-orange);content:"\2192"}

.hbb .hbb-toc{margin:34px 0 52px;padding:27px 29px;border:1px solid var(--hbb-line);border-radius:20px;background:var(--hbb-cream)}
.hbb .hbb-toc strong{display:block;margin-bottom:13px;color:var(--hbb-green);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase}
.hbb .hbb-toc ol{columns:2;column-gap:50px;margin:0;padding-left:22px}
.hbb .hbb-toc li{break-inside:avoid;margin:7px 0;padding-left:4px}
.hbb .hbb-toc a{color:var(--hbb-ink);font-weight:750;text-decoration:none}
.hbb .hbb-toc a:hover{color:var(--hbb-orange-dark)}

.hbb .hbb-section{scroll-margin-top:100px;margin:0 -24px;padding:clamp(55px,7vw,86px) 24px;border-top:1px solid var(--hbb-line)}
.hbb .hbb-section-soft{border-radius:28px;background:linear-gradient(180deg,#f6f3eb,#f9f8f4)}
.hbb .hbb-section-tag{margin:0 0 11px;color:var(--hbb-orange-dark);font-size:.75rem;font-weight:900;letter-spacing:.11em;text-transform:uppercase}
.hbb .hbb-section>h2{max-width:900px;margin:0 0 19px;font-size:clamp(2rem,4vw,3.15rem)}
.hbb .hbb-section>p{max-width:930px;color:#40564e}
.hbb .hbb-section>p strong{color:var(--hbb-ink)}

.hbb .hbb-visual{margin:34px 0}
.hbb .hbb-visual img{display:block;width:100%;border:1px solid rgba(16,35,29,.08);border-radius:24px;box-shadow:0 18px 50px rgba(16,35,29,.12)}
.hbb .hbb-visual figcaption{margin:10px 8px 0;color:#60716b;font-size:.86rem}
.hbb .hbb-callout,.hbb .hbb-warning{margin:29px 0;padding:24px 26px;border-radius:18px}
.hbb .hbb-callout{border:1px solid #b9decf;border-left:5px solid var(--hbb-green-2);background:var(--hbb-mint)}
.hbb .hbb-warning{border:1px solid #f0c8ae;border-left:5px solid var(--hbb-orange);background:#fff2e8}
.hbb .hbb-callout strong,.hbb .hbb-warning strong{display:block;margin-bottom:7px;font-size:1.1rem}
.hbb .hbb-callout p,.hbb .hbb-warning p{margin:0;color:#3e574e}

.hbb .hbb-component-grid,.hbb .hbb-number-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:30px 0}
.hbb .hbb-component-grid article,.hbb .hbb-number-grid article{padding:23px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff}
.hbb .hbb-component-grid article>span{display:grid;width:38px;height:38px;place-items:center;margin-bottom:15px;border-radius:12px;background:var(--hbb-mint);color:var(--hbb-green);font-size:.82rem;font-weight:900}
.hbb .hbb-component-grid h3{margin:0 0 9px;font-size:1.13rem}
.hbb .hbb-component-grid p,.hbb .hbb-number-grid p{margin:0;color:var(--hbb-muted);font-size:.91rem}
.hbb .hbb-number-grid article{border-top:4px solid var(--hbb-green-2)}
.hbb .hbb-number-grid article:nth-child(2){border-top-color:var(--hbb-orange)}
.hbb .hbb-number-grid article>span{display:block;color:var(--hbb-muted);font-size:.72rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.hbb .hbb-number-grid strong{display:block;margin:4px 0 9px;color:var(--hbb-green);font-size:2rem;line-height:1}

.hbb .hbb-formula-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}
.hbb .hbb-formula-grid article{padding:25px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff}
.hbb .hbb-formula-grid span{color:var(--hbb-orange-dark);font-size:.73rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-formula-grid h3{margin:7px 0 12px;font-size:1.18rem}
.hbb .hbb-formula-grid p{margin:0;color:var(--hbb-muted)}

.hbb .hbb-action-strip{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;margin:34px 0 0;padding:27px 29px;border-radius:21px;background:linear-gradient(135deg,#dff2e9,#eef7f3)}
.hbb .hbb-action-strip>div>span{color:var(--hbb-green);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-action-strip h3{margin:5px 0 7px;font-size:1.25rem}
.hbb .hbb-action-strip p{margin:0;color:var(--hbb-muted);font-size:.91rem}
.hbb .hbb-action-strip-dark{background:linear-gradient(135deg,#10231d,#1d624c);color:#fff}
.hbb .hbb-action-strip-dark>div>span{color:#bfe8d8}
.hbb .hbb-action-strip-dark h3{color:#fff}
.hbb .hbb-action-strip-dark p{color:#cfe1da}
.hbb .hbb-button{display:inline-flex;min-height:47px;align-items:center;justify-content:center;padding:12px 18px;border:1px solid var(--hbb-orange);border-radius:12px;background:var(--hbb-orange);color:#fff!important;font-weight:900;text-decoration:none;white-space:nowrap}
.hbb .hbb-button:hover{background:var(--hbb-orange-dark)}
.hbb .hbb-button-light{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.09)}
.hbb .hbb-button-light:hover{background:rgba(255,255,255,.16)}

.hbb .hbb-table-wrap{overflow-x:auto;margin:27px 0 31px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff;box-shadow:0 9px 30px rgba(16,35,29,.045)}
.hbb .hbb-table{width:100%;min-width:830px;border-collapse:collapse}
.hbb .hbb-table-wide{min-width:1040px}
.hbb .hbb-table th,.hbb .hbb-table td{padding:16px 17px;border-bottom:1px solid var(--hbb-line);text-align:left;vertical-align:top}
.hbb .hbb-table thead th{background:#10231d;color:#fff;font-size:.79rem;letter-spacing:.03em}
.hbb .hbb-table tbody th{width:190px;background:#edf6f2;color:var(--hbb-green);font-size:.9rem}
.hbb .hbb-table td{color:#40564e;font-size:.9rem}
.hbb .hbb-table tbody tr:last-child th,.hbb .hbb-table tbody tr:last-child td{border-bottom:0}

.hbb .hbb-steps{display:grid;gap:14px;margin:30px 0;padding:0;list-style:none;counter-reset:none}
.hbb .hbb-steps li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;padding:22px;border:1px solid var(--hbb-line);border-radius:17px;background:#fff}
.hbb .hbb-steps li>span{display:grid;width:46px;height:46px;place-items:center;border-radius:50%;background:var(--hbb-orange);color:#fff;font-weight:900}
.hbb .hbb-steps h3{margin:0 0 7px;font-size:1.14rem}
.hbb .hbb-steps p{margin:0;color:var(--hbb-muted)}
.hbb .hbb-priority-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:30px 0}
.hbb .hbb-priority{padding:22px;border:1px solid var(--hbb-line);border-radius:17px;background:#fff}
.hbb .hbb-priority>span{color:var(--hbb-green);font-size:.72rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.hbb .hbb-priority h3{margin:7px 0 9px;font-size:1.08rem}
.hbb .hbb-priority p{margin:0;color:var(--hbb-muted);font-size:.9rem}
.hbb .hbb-priority-one{box-shadow:inset 0 4px 0 #1d624c}
.hbb .hbb-priority-two{box-shadow:inset 0 4px 0 #2f8b6b}
.hbb .hbb-priority-three{box-shadow:inset 0 4px 0 #e29b45}
.hbb .hbb-priority-four{box-shadow:inset 0 4px 0 #d6582a}

.hbb .hbb-check-grid,.hbb .hbb-install-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:30px 0}
.hbb .hbb-check-grid article,.hbb .hbb-install-grid article{padding:23px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff}
.hbb .hbb-check-grid span,.hbb .hbb-install-grid span{display:block;margin-bottom:8px;color:var(--hbb-green);font-size:.76rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase}
.hbb .hbb-check-grid p,.hbb .hbb-install-grid p{margin:0;color:var(--hbb-muted);font-size:.91rem}
.hbb .hbb-install-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.hbb .hbb-install-grid h3{margin:0 0 9px;font-size:1.08rem}

.hbb .hbb-equation{margin:30px 0;padding:29px;border-radius:22px;background:#10231d;color:#fff}
.hbb .hbb-equation>span{display:block;color:#bfe8d8;font-size:.72rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.hbb .hbb-equation strong{display:block;margin:9px 0 10px;font-size:clamp(1.18rem,2.8vw,1.8rem);line-height:1.35}
.hbb .hbb-equation p{margin:0;color:#cfe1da}
.hbb .hbb-mini-cta{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:29px 0;padding:23px 25px;border:1px solid #b9decf;border-radius:18px;background:var(--hbb-mint)}
.hbb .hbb-mini-cta strong,.hbb .hbb-mini-cta span{display:block}
.hbb .hbb-mini-cta span{color:var(--hbb-muted);font-size:.9rem}
.hbb .hbb-mini-cta a{font-weight:900;white-space:nowrap}

.hbb .hbb-solar-balance{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch;margin:30px 0}
.hbb .hbb-solar-balance article{padding:22px;border:1px solid var(--hbb-line);border-radius:17px;background:#fff}
.hbb .hbb-solar-balance article>span{display:block;color:var(--hbb-green);font-size:.72rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.hbb .hbb-solar-balance strong{display:block;margin:8px 0;font-size:1.05rem;line-height:1.4}
.hbb .hbb-solar-balance p{margin:0;color:var(--hbb-muted);font-size:.88rem}
.hbb .hbb-solar-balance>div{display:grid;place-items:center;color:var(--hbb-orange);font-size:2rem;font-weight:900}
.hbb .hbb-split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0}
.hbb .hbb-split article{padding:25px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff}
.hbb .hbb-split article:first-child{box-shadow:inset 0 4px 0 var(--hbb-green-2)}
.hbb .hbb-split article:last-child{box-shadow:inset 0 4px 0 var(--hbb-orange)}
.hbb .hbb-split h3{margin:0 0 13px}
.hbb .hbb-split ul{margin:0;padding-left:20px}
.hbb .hbb-split li{margin:8px 0;color:var(--hbb-muted)}

.hbb .hbb-safety{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:28px;margin:32px 0;padding:clamp(25px,4vw,38px);border-radius:24px;background:radial-gradient(circle at 95% 0,rgba(243,107,53,.18),transparent 35%),#10231d;color:#fff}
.hbb .hbb-safety>div>span{color:#ffb294;font-size:.73rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.hbb .hbb-safety h3{margin:7px 0 12px;color:#fff;font-size:1.5rem}
.hbb .hbb-safety p{margin:0;color:#cfe1da}
.hbb .hbb-safety ul{margin:0;padding-left:21px}
.hbb .hbb-safety li{margin:9px 0;color:#d8e7e1}

.hbb .hbb-example-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:30px 0}
.hbb .hbb-example-grid article{padding:25px;border:1px solid var(--hbb-line);border-radius:19px;background:#fff;box-shadow:inset 0 4px 0 var(--hbb-green-2)}
.hbb .hbb-example-grid article:nth-child(2){box-shadow:inset 0 4px 0 #e29b45}
.hbb .hbb-example-grid article:nth-child(3){box-shadow:inset 0 4px 0 var(--hbb-orange)}
.hbb .hbb-example-grid article>span{color:var(--hbb-green);font-size:.73rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-example-grid h3{margin:7px 0 13px}
.hbb .hbb-example-grid p{color:var(--hbb-muted);font-size:.91rem}
.hbb .hbb-example-grid p:last-child{margin-bottom:0}

.hbb .hbb-evaluate{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin:30px 0}
.hbb .hbb-evaluate section{padding:25px;border:1px solid var(--hbb-line);border-radius:18px;background:#fff}
.hbb .hbb-evaluate h3{margin:0 0 12px;color:var(--hbb-green)}
.hbb .hbb-evaluate ul{margin:0;padding-left:20px}
.hbb .hbb-evaluate li{margin:8px 0;color:var(--hbb-muted)}
.hbb .hbb-mistakes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:30px 0}
.hbb .hbb-mistakes article{padding:22px;border:1px solid #edc7af;border-radius:17px;background:#fff8f3}
.hbb .hbb-mistakes span{color:var(--hbb-orange-dark);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hbb .hbb-mistakes h3{margin:7px 0 9px;font-size:1.05rem}
.hbb .hbb-mistakes p{margin:0;color:var(--hbb-muted);font-size:.89rem}
.hbb .hbb-final-cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:35px;align-items:center;margin:40px 0 0;padding:clamp(28px,5vw,47px);border-radius:25px;background:linear-gradient(135deg,#10231d,#1d624c);color:#fff}
.hbb .hbb-final-cta>div>span{color:#bfe8d8;font-size:.73rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.hbb .hbb-final-cta h2{max-width:720px;margin:7px 0 10px;color:#fff;font-size:clamp(1.7rem,3.6vw,2.7rem)}
.hbb .hbb-final-cta p{max-width:720px;margin:0;color:#cfe1da}
.hbb .hbb-final-actions{display:flex;flex-direction:column;gap:11px}

.hbb .hbb-faq{display:grid;gap:12px;margin:28px 0}
.hbb .hbb-faq details{border:1px solid var(--hbb-line);border-radius:15px;background:#fff}
.hbb .hbb-faq summary{position:relative;padding:19px 52px 19px 21px;cursor:pointer;font-weight:900;list-style:none}
.hbb .hbb-faq summary::-webkit-details-marker{display:none}
.hbb .hbb-faq summary:after{position:absolute;right:20px;top:18px;color:var(--hbb-orange);font-size:1.25rem;content:"+"}
.hbb .hbb-faq details[open] summary:after{content:"−"}
.hbb .hbb-faq details p{margin:0;padding:0 21px 20px;color:var(--hbb-muted)}

.hbb .hbb-next{margin:34px 0;padding:clamp(28px,5vw,44px);border-radius:25px;background:#10231d;color:#fff}
.hbb .hbb-next>span{color:#bfe8d8;font-size:.73rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.hbb .hbb-next h2{max-width:760px;margin:7px 0 24px;color:#fff;font-size:clamp(1.75rem,3.6vw,2.7rem)}
.hbb .hbb-next-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.hbb .hbb-next-grid a{display:block;padding:18px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:rgba(255,255,255,.07);color:#fff;text-decoration:none}
.hbb .hbb-next-grid a:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.12)}
.hbb .hbb-next-grid strong,.hbb .hbb-next-grid small{display:block}
.hbb .hbb-next-grid small{margin-top:5px;color:#bfd0ca;line-height:1.5}
.hbb .hbb-sources{margin:35px 0 0;padding:28px;border-top:1px solid var(--hbb-line);color:#5c6f68;font-size:.87rem}
.hbb .hbb-sources h2{margin:0 0 13px;color:var(--hbb-ink);font-size:1.25rem}
.hbb .hbb-sources ul{margin:0 0 17px;padding-left:20px}
.hbb .hbb-sources li{margin:7px 0}
.hbb .hbb-sources p{margin:0}

.hbb-page-button:focus-visible,.hbb a:focus-visible,.hbb summary:focus-visible{outline:3px solid #ffc5ad;outline-offset:3px}

@media(max-width:1060px){
  .hbb-page-hero-grid{grid-template-columns:1fr}
  .hbb-page-hero-copy{max-width:850px}
  .hbb-page-hero-media{max-width:850px}
  .hbb .hbb-route-grid,.hbb .hbb-component-grid,.hbb .hbb-number-grid,.hbb .hbb-priority-grid,.hbb .hbb-install-grid,.hbb .hbb-mistakes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hbb .hbb-solar-balance{grid-template-columns:1fr}
  .hbb .hbb-solar-balance>div{height:24px}
  .hbb .hbb-final-cta{grid-template-columns:1fr}
  .hbb .hbb-final-actions{max-width:340px;flex-direction:row;flex-wrap:wrap}
}
@media(max-width:820px){
  .hbb .hbb-section{margin-right:0;margin-left:0;padding-right:0;padding-left:0}
  .hbb .hbb-section-soft{margin-right:-12px;margin-left:-12px;padding-right:12px;padding-left:12px;border-radius:22px}
  .hbb .hbb-toc ol{columns:1}
  .hbb .hbb-formula-grid,.hbb .hbb-split,.hbb .hbb-safety,.hbb .hbb-evaluate,.hbb .hbb-example-grid{grid-template-columns:1fr}
  .hbb .hbb-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hbb .hbb-next-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .hbb-page-hero{padding:45px 0 52px}
  .hbb-page-hero-grid{gap:34px}
  .hbb-page-hero h1{font-size:clamp(2.35rem,12vw,3.55rem)}
  .hbb-page-hero-media img{min-height:290px}
  .hbb-page-hero-actions,.hbb-page-hero-actions a{width:100%}
  .hbb-page-hero-trust{display:grid}
  .hbb-page{padding-top:30px}
  .hbb .hbb-route-grid,.hbb .hbb-component-grid,.hbb .hbb-number-grid,.hbb .hbb-priority-grid,.hbb .hbb-check-grid,.hbb .hbb-install-grid,.hbb .hbb-mistakes,.hbb .hbb-next-grid{grid-template-columns:1fr}
  .hbb .hbb-verdict{border-radius:20px}
  .hbb .hbb-toc{padding:22px}
  .hbb .hbb-action-strip{grid-template-columns:1fr}
  .hbb .hbb-action-strip .hbb-button{width:100%}
  .hbb .hbb-mini-cta{align-items:flex-start;flex-direction:column}
  .hbb .hbb-steps li{grid-template-columns:42px minmax(0,1fr);gap:13px;padding:18px}
  .hbb .hbb-steps li>span{width:38px;height:38px}
  .hbb .hbb-safety{padding:24px}
  .hbb .hbb-final-actions{max-width:none;flex-direction:column}
  .hbb .hbb-final-actions .hbb-button{width:100%}
  .hbb .hbb-inline-hero img{min-height:300px}
}
@media(prefers-reduced-motion:reduce){
  .hbb *{scroll-behavior:auto!important}
}