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/* Homepage: reveal the product sooner while keeping breathing room. */
.home-head{padding-top:76px;padding-bottom:58px}
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/* AirNeutral science page */
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/* Novus product page */
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/* Product science and reported test information */
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/* Support hub, FAQ, warranty and contact */
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/* Information and policy pages */
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/* Drivers, fleets and business partners */
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@media(min-width:801px) and (max-width:1100px){.primary{display:none}.head-buy{margin-left:auto}.mobile-menu{display:block;position:relative}.mobile-menu summary{font-size:12px;cursor:pointer}.mobile-menu nav{position:absolute;right:0;top:30px;width:220px;padding:20px;background:#fff;box-shadow:0 10px 30px #0002;display:grid;gap:16px}.mobile-menu nav a{text-decoration:none;color:#111;font-size:14px}}
/* For Business menu */
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/* Air Matters journal */
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/* Research and evidence */
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/* Research article listing */
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.footer{background:var(--smoggo-footer);border-top:1px solid #ffffff12}
.footer .logo{border-radius:12px;padding:8px}
.footer-grid strong{color:#a1a1a6}.footer-grid a:not(.logo),.footer-grid p{color:#d2d2d7}.footer-grid a:not(.logo):hover{color:#fff;text-decoration:underline;text-underline-offset:3px}.footer-end{color:#a1a1a6;border-color:#424245}
:where(a,button,input,select,textarea,summary):focus-visible{outline:3px solid #0071e3;outline-offset:4px}
@media(max-width:800px){:root{--smoggo-card-radius:20px;--smoggo-media-radius:22px}.home-video{width:calc(100% - 32px);margin-bottom:16px}}
@media(prefers-reduced-motion:reduce){.journal-story{transition:none}.journal-story:hover{transform:none}}

.story-article p>strong:first-child:has(+br){display:inline-block;font-size:24px;line-height:1.3;letter-spacing:-.025em;margin-top:20px;margin-bottom:12px;color:#111}

/* Homepage air facts and the SmogGo story. */
.home-air-facts,.about-founder,.about-company{padding:110px 0;background:#f5f5f7}
.home-air-facts h2,.about-story h2,.about-founder h2,.about-purpose h2,.about-company h2{font-size:clamp(40px,5.1vw,68px);font-weight:600;letter-spacing:-.055em;line-height:1.05;margin:0 0 25px}
.home-air-facts h2 span,.about-hero h1 span,.about-story h2 span,.about-founder h2 span,.about-purpose h2 span,.about-company h2 span{color:#999}
.air-fact-grid,.about-value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.air-fact-grid article,.about-value-grid article{border-radius:var(--smoggo-card-radius,24px);background:#fff;padding:34px;display:flex;flex-direction:column}
.air-fact-grid h3,.about-value-grid h3{font-size:28px;font-weight:600;line-height:1.13;letter-spacing:-.04em;margin:30px 0 20px}
.air-fact-grid p,.about-value-grid p{font-size:15px;color:#666;line-height:1.8}
.air-fact-grid a{margin-top:auto;padding-top:18px;color:#111;font-size:13px;font-weight:600;text-decoration:none}
.air-fact-grid a:hover,.about-explore a:hover{text-decoration:underline;text-underline-offset:4px}
.air-facts-more{margin-top:35px}
.about-hero{padding:110px 0;background:#111;color:#fff}
.about-hero h1{font-size:clamp(50px,7vw,94px);font-weight:600;line-height:1.02;letter-spacing:-.06em;max-width:1100px;margin:0 0 30px}
.about-hero .kicker{color:#aaa}.about-hero p:not(.kicker){font-size:19px;color:#c7c7c7;line-height:1.8;max-width:680px;margin-bottom:30px}
.about-story,.about-founder-grid,.about-company-grid{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:start;scroll-margin-top:100px}
.about-story>div>p:not(.kicker),.about-company p:not(.kicker),.about-founder blockquote p{font-size:17px;line-height:1.85;color:#555;margin-bottom:24px}
.about-founder blockquote{margin:0;background:#fff;padding:40px;border-radius:var(--smoggo-card-radius,24px)}
.about-founder blockquote footer{color:#777;font-size:13px;margin-top:30px}
.about-value-grid article{background:#f5f5f7}
.about-explore{background:#fff;padding:36px;border-radius:var(--smoggo-card-radius,24px)}
.about-explore>a{display:flex;justify-content:space-between;gap:20px;padding:23px 0;border-bottom:1px solid #ddd;color:#111;text-decoration:none;font-size:16px;font-weight:600}
.about-explore>a:last-child{border-bottom:0}
@media(max-width:800px){.home-air-facts,.about-hero,.about-founder,.about-company{padding:75px 0}.air-fact-grid,.about-value-grid,.about-story,.about-founder-grid,.about-company-grid{grid-template-columns:1fr;gap:28px}.air-fact-grid article,.about-value-grid article,.about-founder blockquote,.about-explore{padding:28px}.about-hero h1{font-size:clamp(43px,10vw,64px)}.about-hero p:not(.kicker){font-size:17px}}

/* Cabin facts adapted from the original Novus product page. */
.cabin-facts{background:#fff;padding:110px 0;scroll-margin-top:85px}.cabin-facts-intro{max-width:860px;margin-bottom:48px}.cabin-facts h2{font-size:clamp(43px,5.4vw,72px);font-weight:600;line-height:1.04;letter-spacing:-.055em;margin:0 0 26px}.cabin-facts h2 span{color:#999}.cabin-facts-intro>p:not(.kicker){font-size:18px;line-height:1.8;color:#666;max-width:730px}.cabin-facts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.cabin-facts-grid article{position:relative;background:#f5f5f7;border-radius:var(--smoggo-card-radius,24px);padding:40px;overflow:hidden}.cabin-fact-mark{display:block;font-size:13px;font-weight:600;color:#86868b;margin-bottom:36px}.cabin-facts-grid h3{font-size:clamp(32px,3.6vw,48px);font-weight:600;line-height:1.05;letter-spacing:-.045em;margin:22px 0}.cabin-facts-grid h3 span{color:#86868b}.cabin-facts-grid article>p:last-child{font-size:16px;line-height:1.8;color:#555;max-width:490px;margin:0}.cabin-facts-end{display:flex;align-items:center;justify-content:space-between;gap:35px;margin-top:40px}.cabin-facts-end p{font-size:16px;line-height:1.8;color:#666;max-width:610px;margin:0}.cabin-facts-end .pill{flex-shrink:0}.cabin-facts-source{font-size:12px;line-height:1.7;color:#777;margin-top:30px;max-width:850px}.cabin-facts-source a{color:inherit;text-underline-offset:3px}@media(max-width:800px){.cabin-facts{padding:75px 0}.cabin-facts-grid{grid-template-columns:1fr;gap:16px}.cabin-facts-grid article{padding:28px}.cabin-facts-end{align-items:start;flex-direction:column;gap:20px}.cabin-fact-mark{margin-bottom:28px}}

/* Restored product features and technology comparisons. */
.restored-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.restored-feature-grid article{background:#fff;border-radius:var(--smoggo-card-radius,24px);padding:32px}.restored-feature-grid h3{font-size:25px;line-height:1.15;letter-spacing:-.035em;margin:35px 0 18px}.restored-feature-grid article>p:last-child{font-size:15px;color:#666;line-height:1.8;margin:0}.science-feature-grid article{background:#f5f5f7}.product-comparison h2,.science-engineering h2,.emitter-comparison h2{font-size:clamp(43px,5.2vw,70px);line-height:1.05;letter-spacing:-.055em;font-weight:600;margin-bottom:25px}.product-comparison h2 span,.science-engineering h2 span,.emitter-comparison h2 span{color:#999}.emitter-comparison{background:#f5f5f7;padding:110px 0}.feature-table-wrap{overflow-x:auto;border:1px solid #dedee2;border-radius:var(--smoggo-card-radius,24px);background:#fff}.feature-compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:650px;table-layout:fixed}.feature-compare-table caption{caption-side:top;padding:20px 28px;font-size:13px;color:#666;border-bottom:1px solid #e5e5e7}.feature-compare-table th,.feature-compare-table td{padding:25px 28px;border-bottom:1px solid #e5e5e7;vertical-align:top;font-size:15px;line-height:1.7;text-align:left}.feature-compare-table thead th{background:#f5f5f7;font-size:17px;letter-spacing:-.02em}.feature-compare-table thead th:first-child{width:23%}.feature-compare-table thead th:nth-child(2){background:#1d1d1f;color:#fff}.feature-compare-table tbody th{font-weight:600;color:#111}.feature-compare-table tbody td{color:#555}.feature-compare-table tbody td:nth-child(2){background:#fafafa}.feature-compare-table tbody tr:last-child>*{border-bottom:0}.comparison-note{font-size:13px;line-height:1.8;color:#777;max-width:950px;margin:24px 0}.product-comparison,.science-engineering,#emitter-design{scroll-margin-top:85px}@media(max-width:800px){.restored-feature-grid{grid-template-columns:1fr}.restored-feature-grid article{padding:28px}.emitter-comparison{padding:75px 0}.feature-compare-table th,.feature-compare-table td{padding:20px;font-size:14px}.feature-compare-table caption{padding:18px 20px}}

/* Four everyday alternatives, with the Novus ownership benefits highlighted. */
.four-way-table{min-width:1080px}.four-way-table thead th:first-child{width:17%}.four-way-table thead th:not(:first-child){width:20.75%}.four-way-table td,.four-way-table th{padding:22px 20px;font-size:14px}.four-way-table thead th{font-size:16px}.comparison-scroll-hint{font-size:12px;color:#777;margin:0 0 12px}.comparison-value{border-radius:var(--smoggo-card-radius,24px);padding:36px;background:#f5f5f7;margin:30px 0}.comparison-value h3{font-size:clamp(30px,3vw,42px);line-height:1.1;letter-spacing:-.04em}.comparison-value>p:last-child{max-width:760px;color:#666;line-height:1.8;margin:18px 0 0}@media(max-width:800px){.comparison-value{padding:28px}}

/* Monochrome identity, aligned navigation and colour-specific product gallery. */
.ui-icon{display:inline-block;width:20px;height:20px;vertical-align:middle;flex-shrink:0}.header{height:88px}.head{gap:24px}.header-logo{flex-shrink:0;display:flex;align-items:center;height:60px;line-height:0}.header-logo img{width:132px;height:auto;transform:translateY(-5px)}.primary{align-items:center;gap:23px}.primary>a,.business-nav>summary{font-size:12px;font-weight:550;white-space:nowrap;line-height:1.4}.primary>a{padding:12px 0;position:relative}.primary>a[aria-current="page"]:after{content:"";position:absolute;bottom:4px;left:0;right:0;height:2px;background:#111;border-radius:2px}.primary>a:hover{color:#666}.business-nav summary{display:flex;align-items:center;gap:5px;padding:12px 0}.business-nav summary:after{display:none}.business-nav summary .ui-icon{width:13px;height:13px;transition:transform .18s}.business-nav[open] summary .ui-icon{transform:rotate(180deg)}.business-nav-menu{top:44px;left:-24px;min-width:244px;padding:24px;gap:6px;border-radius:20px;box-shadow:0 16px 48px #00000016}.business-nav-menu p{font-size:9px;font-weight:650;color:#888;letter-spacing:.12em;margin:0 0 12px}.business-nav-menu a{font-size:13px;display:block;padding:10px 0}.business-nav-menu a:hover{text-decoration:underline;text-underline-offset:4px}.head-buy{font-size:12px;padding:12px 17px}.footer .logo{background:transparent;padding:0;border-radius:0;display:block}.footer .logo img{width:152px;height:auto}.footer-email{display:inline-flex;align-items:center;gap:7px}.footer-email .ui-icon{width:15px;height:15px}.feature-icon{width:28px;height:28px;color:#333;display:block;margin-bottom:26px}.restored-feature-grid article>.feature-icon+.kicker{margin-bottom:0}.restored-feature-grid h3{margin-top:24px}.mobile-menu summary{display:flex;align-items:center;gap:7px;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary .ui-icon{width:21px;height:21px}.mobile-menu nav{top:42px;max-height:calc(100dvh - 110px);overflow:auto;gap:0;padding:16px 24px;width:270px}.mobile-menu nav>a{padding:11px 0}.mobile-business-label{border-top:1px solid #e5e5e7;padding-top:18px;margin-top:10px;margin-bottom:8px}.novus-hero{align-items:start;gap:7%;grid-template-columns:1.05fr 1fr}.product-hero-copy{padding-top:25px}.novus-hero h1{font-size:clamp(62px,6.5vw,90px)}.gallery-stage{position:relative;background:#f5f5f7;border-radius:28px;overflow:hidden;touch-action:pan-y}.gallery-main{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:28px;user-select:none;-webkit-user-drag:none}.gallery-controls{position:absolute;bottom:16px;left:16px;right:16px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.gallery-controls button{width:38px;height:38px;display:grid;place-items:center;border:1px solid #ddd;background:#fffffff0;border-radius:50%;color:#111;cursor:pointer;pointer-events:auto}.gallery-controls button:hover{background:#fff}.gallery-count{background:#fffffff0;border-radius:99px;padding:7px 12px;font-size:11px;color:#444}.gallery-thumbs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:12px}.gallery-thumb{padding:3px;border:1px solid transparent;border-radius:14px;background:#f5f5f7;cursor:pointer;overflow:hidden}.gallery-thumb img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:10px}.gallery-thumb.is-active{border:2px solid #111;padding:2px}.gallery-thumb:hover{border-color:#888}.gallery-status{font-size:11px;color:#777;line-height:1.6;margin:12px 0 0}.novus-colours{border:0;padding:0;margin:30px 0 26px;min-width:0}.novus-colours legend{font-size:13px;float:none;width:auto;margin-bottom:16px}.novus-colours legend strong{font-weight:650}.colour-options{display:flex;gap:10px;flex-wrap:wrap}.colour-choice{display:inline-flex;gap:9px;align-items:center;padding:11px 15px;border:1px solid #ddd;border-radius:99px;background:#fff;color:#333;font:inherit;font-size:12px;cursor:pointer}.colour-choice.is-selected{border-color:#111;box-shadow:inset 0 0 0 1px #111;color:#111}.colour-dot{width:17px;height:17px;display:block;border-radius:50%;border:1px solid #0002}.dot-black{background:linear-gradient(135deg,#555,#111)}.dot-silver{background:linear-gradient(135deg,#fafafa,#aaa)}.dot-gold{background:linear-gradient(135deg,#e8d38d,#aa741d)}.novus-colours>p{font-size:11px;color:#777;line-height:1.7;margin:15px 0 0}.novus-buy{margin-top:0}
@media(min-width:801px) and (max-width:1190px){.primary{display:none}.head-buy{margin-left:auto}.mobile-menu{display:block;position:relative}.mobile-menu summary{font-size:12px;cursor:pointer}.mobile-menu nav{position:absolute;right:0;background:#fff;box-shadow:0 10px 30px #0002;display:grid}.mobile-menu nav a{text-decoration:none;color:#111;font-size:14px}}
@media(max-width:800px){.header{height:76px}.head{gap:16px}.header-logo{height:52px}.header-logo img{width:112px;transform:translateY(-4px)}.header .head-buy{padding:10px 12px;font-size:11px}.mobile-menu summary span{display:none}.novus-hero{grid-template-columns:1fr;gap:28px}.product-hero-copy{padding-top:0}.novus-hero h1{font-size:64px}.gallery-stage,.gallery-main{border-radius:22px}.gallery-thumbs{gap:7px}.colour-choice{padding:11px 16px}.feature-icon{width:26px;height:26px}.mobile-menu nav{right:0}}

/* Homepage icons and buying details. */
.home-fact-icon{display:block;width:30px;height:30px;color:#333;margin-bottom:24px}.cabin-facts-grid .home-fact-icon{margin-bottom:30px}.novus-amazon-note{font-size:12px!important;line-height:1.7!important;color:#777!important;margin:14px 0 0!important}.novus-hero .compatibility{margin-top:28px}

/* Homepage feature strip and icon-led product essentials. */
.feature-bar .shell>span{display:flex;align-items:center;justify-content:center;gap:10px}.home-row-icon{width:24px;height:24px;flex-shrink:0;color:#444}.home-icon-metrics>div>.home-row-icon{display:block;margin-bottom:14px}.home-icon-metrics>div{min-width:0}.home-icon-metrics b{white-space:nowrap}@media(max-width:800px){.feature-bar .shell>span{justify-content:flex-start;gap:9px}.feature-bar .home-row-icon{width:21px;height:21px}.home-icon-metrics{gap:16px}.home-icon-metrics b{font-size:28px}}

/* Keep the footer brand mark at the same size as the header. */
.footer .logo img{width:132px;height:auto}@media(max-width:800px){.footer .logo img{width:112px}}

/* Blue highlights purchase and direct support actions; editorial links stay neutral. */
a.primary-action.pill,a.primary-action.head-buy{background:#0071e3;color:#fff;border-color:#0071e3;transition:background-color .16s ease}a.primary-action.pill:hover,a.primary-action.head-buy:hover{background:#0066cc;color:#fff;border-color:#0066cc}a.primary-action:active{background:#0066cc}a.primary-action:focus-visible{outline:3px solid #0071e3;outline-offset:4px}.footer .footer-email{display:flex;align-items:center;gap:8px}

/* Action hierarchy: solid primary actions, outlined exploration, plain editorial links. */
a.pill.secondary-action,button.pill.secondary-action{background:transparent;border:1px solid;padding:14px 22px;transition:background-color .16s ease,color .16s ease}a.pill.secondary-action.on-light,button.pill.secondary-action.on-light{color:#1d1d1f;border-color:#1d1d1f}a.pill.secondary-action.on-light:hover,button.pill.secondary-action.on-light:hover{background:#1d1d1f;color:#fff}a.pill.secondary-action.on-dark,button.pill.secondary-action.on-dark{color:#72b9ff;border-color:#72b9ff}a.pill.secondary-action.on-dark:hover,button.pill.secondary-action.on-dark:hover{background:#72b9ff;color:#101012}button.pill.primary-action{background:#0071e3;color:white;border:1px solid #0071e3}button.pill.primary-action:hover{background:#0066cc;border-color:#0066cc}.compatibility p+p{margin-top:12px}.compatibility .compatibility-help{display:inline-block;color:#0066cc;font-size:13px;font-weight:600;line-height:1.6;margin-top:8px;text-decoration:underline;text-underline-offset:3px}

/* Keep the product technology photo proportional instead of its HTML height. */
.novus-science-image{width:100%;min-width:0}.novus-science-image img{display:block;width:100%;height:auto;aspect-ratio:4/3;max-height:430px;object-fit:cover;object-position:center}@media(max-width:800px){.novus-science-image img{max-height:340px}}


.science-device .metric-row b{font-size:18px;line-height:1.3}

/* Equal two-line engineering benefit headings. */
.science-device .metric-row b{display:block;min-height:2.6em;line-height:1.3}.science-device .metric-row b>span{display:block;white-space:nowrap;font:inherit;color:inherit}.novus-review-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.novus-review-card{display:flex;flex-direction:column;background:#f5f5f7;border-radius:26px;padding:34px}.novus-review-card .review-source{font-size:12px;color:#626267;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}.review-verified{font-size:11px;background:#e4ece7;color:#33513d;padding:5px 9px;border-radius:20px}.novus-review-card h3{font-size:25px;line-height:1.25;letter-spacing:-.025em;margin:0 0 18px}.novus-review-card blockquote{margin:0 0 24px;flex:1}.novus-review-card blockquote p{font-size:16px;line-height:1.8;color:#55555b;margin:0}.review-credit{display:grid;gap:7px;margin-bottom:20px;font-size:14px}.review-credit span{font-size:12px;color:#626267}.novus-review-card>a{align-self:flex-start}.review-context{font-size:12px;color:#6e6e73;line-height:1.7;margin:25px 0 0;max-width:850px}@media(max-width:800px){.novus-review-grid{grid-template-columns:1fr}.novus-review-card{padding:26px}.science-device .metric-row{grid-template-columns:1fr;gap:24px}.science-device .metric-row b{font-size:18px}}

.novus-review-card .review-source{min-height:27px}

.novus-review-card .review-source{margin-bottom:12px}.review-stars{color:#a65b00;font-size:21px;line-height:1;letter-spacing:3px;margin-bottom:20px}
/* Server-rendered inquiry forms. */
.secure-form{max-width:900px}.secure-form form{display:grid;grid-template-columns:1fr 1fr;gap:22px}.secure-form label{display:grid;gap:9px;font-size:14px;font-weight:600}.secure-form input:not([type=checkbox]),.secure-form textarea,.secure-form select{width:100%;padding:14px;border:1px solid #bfbfc4;border-radius:12px;background:#fff;color:#1d1d1f;font:inherit;font-weight:400}.secure-form .full{grid-column:1/-1}.secure-form .form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.secure-form .form-consent{display:flex;align-items:flex-start;font-weight:400;line-height:1.7;gap:10px}.secure-form .form-consent input{margin-top:7px}.form-small{font-size:12px;line-height:1.7;color:#666;margin-top:18px}.form-notice{border:1px solid;border-radius:14px;padding:20px;margin-bottom:25px;line-height:1.6}.form-notice.success{background:#edf7ef;border-color:#739f7b;color:#24472b}.form-notice.error{background:#fff3ef;border-color:#b87964;color:#653626}.contact-inquiry>p:not(.kicker){max-width:700px;line-height:1.8;color:#666}.contact-inquiry .secure-form{margin-top:35px}#inquiry-form{scroll-margin-top:110px}@media(max-width:800px){.secure-form form{grid-template-columns:1fr}.secure-form .full{grid-column:auto}}

.secure-form .form-consent input[type="checkbox"]{width:18px;height:18px;min-width:18px;flex:0 0 18px;padding:0;margin:4px 0 0;accent-color:#0071e3}.secure-form label>span{line-height:1.5}