@font-face{font-family:Barlow;src:url('/assets/Barlow-Regular.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
.menu-toggle{display:none}
@font-face{font-family:Barlow;src:url('/assets/Barlow-SemiBold.ttf') format('truetype');font-style:normal;font-weight:600 800;font-display:swap}
@font-face{font-family:'Barlow Condensed';src:url('/assets/BarlowCondensed-SemiBold.ttf') format('truetype');font-style:normal;font-weight:600 900;font-display:swap}
:root{color-scheme:dark;--bg:#101211;--surface:#191d1a;--text:#f1f4ed;--muted:#abb3a8;--line:#333a33;--accent:#b8ed65;--ease:cubic-bezier(.4,0,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:Barlow,Arial,sans-serif;font-size:17px;line-height:1.65}a{color:inherit;text-underline-offset:5px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a,button{transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}button{cursor:pointer}button:disabled{cursor:wait}img{display:block;max-width:100%;height:auto}button,input,select{border-radius:0}::selection{background:var(--accent);color:var(--bg)}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.light-section :focus-visible{outline-color:#336515}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:600}h1,h2{font-family:'Barlow Condensed',Arial,sans-serif;line-height:1;letter-spacing:-.02em}h2{font-size:clamp(38px,4.4vw,64px)}h3{font-size:23px;line-height:1.25}p{color:var(--muted)}p+p{margin-top:18px}strong{color:var(--text)}.shell{width:min(1280px,calc(100% - 96px));margin-inline:auto}.section{padding-block:100px}.eyebrow{font-size:12px;line-height:1.4;font-weight:600;letter-spacing:.15em;color:var(--accent);margin-bottom:22px}.status-dot,.warning-dot{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:9px;vertical-align:middle}.warning-dot{background:#e4b981}.skip-link{position:fixed;top:12px;left:12px;z-index:100;background:var(--accent);color:var(--bg);padding:12px 20px;transform:translateY(-170%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:30;background:#101211f2;border-bottom:1px solid #2e352e;backdrop-filter:blur(15px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:86px}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:25px;font-weight:600;letter-spacing:.01em;white-space:nowrap}.brand-mark{display:grid;place-items:center;background:var(--accent);color:#161d0e;width:33px;height:33px;font-size:31px;line-height:1}.brand-si{color:var(--accent)}.header-inner nav{display:flex;align-items:center;gap:34px;font-size:14px}.header-inner nav a{text-decoration:none;color:#c4ccc0}.header-inner nav a:hover{color:var(--accent)}.header-inner nav .nav-cta{border:1px solid #4b5548;padding:9px 14px;color:var(--text)}.nav-cta span{margin-left:14px}.menu-toggle{background:none;color:var(--text);border:1px solid var(--line);padding:8px 12px}
.hero{display:grid;grid-template-columns:1.03fr 1fr;gap:60px;align-items:center;padding-block:70px 80px}.hero-copy{padding-block:20px}.hero h1{font-size:clamp(58px,6.8vw,98px);letter-spacing:-.025em;line-height:.98;margin-bottom:30px}.hero h1 span{color:var(--accent)}.hero-intro{max-width:440px;font-size:19px;line-height:1.65}.hero-intro strong{font-weight:600}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:35px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;min-height:52px;padding:13px 20px;text-decoration:none;font-size:15px;font-weight:600;line-height:1.4;border:1px solid transparent}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#142006}.button-primary:hover{background:#c7f78a}.button-outline{border-color:#67765c;background:transparent;color:var(--text)}.text-link{font-size:15px;text-decoration:none;font-weight:600}.text-link:hover{color:var(--accent)}.independent{font-size:12px;margin-top:28px;color:#a8b2a1}.independent span{color:var(--accent);margin-right:7px}.hero-visual{background:#fff;color:#263124;position:relative;max-width:540px;justify-self:end;width:100%;padding:22px 24px 14px;border-top:3px solid var(--accent)}.visual-top{display:flex;justify-content:space-between;gap:12px;font-size:10px;font-weight:600;letter-spacing:.1em}.hero-image{width:100%;height:440px;object-fit:contain;padding:20px 10px}.hero-visual figcaption{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #e2e6de;padding-top:14px;font-size:10px;letter-spacing:.04em}.spec-strip{background:#181d16;border-block:1px solid #323c2b}.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);padding-block:27px}.spec-grid>div{padding:0 28px;border-left:1px solid #3b4532}.spec-grid>div:first-child{padding-left:0;border:0}.spec-grid span{display:block;font-size:12px;color:#aab59f}.spec-grid .spec-number{font-family:'Barlow Condensed',Arial,sans-serif;color:var(--text);font-size:30px;line-height:1.15;margin-bottom:6px}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:48px}.section-heading>p{max-width:445px;font-size:16px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{border:1px solid var(--line);padding:30px;display:flex;flex-direction:column;align-items:start}.feature-icon{font-size:35px;color:var(--accent);line-height:1.1;margin-bottom:26px;display:block}.feature-card h3{margin-bottom:15px}.feature-card p{font-size:16px;margin-bottom:24px}.feature-card a{margin-top:auto;text-decoration:none;font-size:14px;color:var(--accent)}.feature-card:hover{border-color:#607447}.light-section{background:#edf0e9;color:#1d271a;--text:#1d271a;--muted:#4a5544;--accent:#315e16;--line:#c9d2c2}.gallery-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.gallery-copy>p:not(.eyebrow){max-width:450px;margin-top:25px}.gallery-copy h2{font-size:clamp(48px,5vw,70px)}.spec-list{margin:35px 0}.spec-list div{display:flex;justify-content:space-between;gap:25px;font-size:14px;padding:14px 0;border-bottom:1px solid var(--line)}.spec-list dt{color:var(--muted)}.spec-list dd{margin:0;font-weight:600;text-align:right}.gallery-stage{background:#fff;padding:15px}.gallery-stage>a{display:block}.gallery-stage img{width:100%;height:390px;object-fit:contain}.gallery-stage figcaption{font-size:12px;padding:12px 3px 0;color:#53604b}.gallery-thumbs{display:flex;gap:12px;margin-top:16px}.gallery-thumb{background:#fff;border:2px solid transparent;display:flex;gap:10px;align-items:center;padding:8px 12px 8px 8px;flex:1;color:#37482b;font-size:12px;text-align:left;min-height:72px}.gallery-thumb img{width:55px;height:55px;object-fit:contain}.gallery-thumb[aria-pressed=true]{border-color:#38651f}.small-note{font-size:12px;line-height:1.6;margin-top:13px}
.fit-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:70px}.fit-form{display:flex;flex-direction:column;gap:22px}.field label{display:block;font-weight:600;font-size:16px;margin-bottom:11px}.field label span{font-size:12px;color:var(--accent);padding-right:10px}.field select,.unit-controls input,.unit-controls select{background:#1a2019;border:1px solid #485043;color:var(--text);width:100%;min-height:49px;padding:10px 13px;font-size:15px}.fit-form .button{align-self:start;margin-top:7px}.fit-result{background:#1b2317;border-top:2px solid var(--accent);padding:40px;align-self:stretch}.fit-result .eyebrow{margin-bottom:18px}.fit-result h3{font-size:30px;margin-bottom:20px}.fit-result p{font-size:16px}.fit-result .text-link{display:inline-block;color:var(--accent);margin-top:25px}.fit-result ul{padding-left:20px;color:#bec9b4;font-size:16px}.balanced-section{border-block:1px solid var(--line);display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:35px}.pros-cons h3{font-size:18px}.pros-cons ul{padding-left:20px;margin:20px 0 0;color:var(--muted);font-size:15px}.pros-cons li+li{margin-top:18px}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.guide-card{text-decoration:none;padding:26px 24px;border:1px solid var(--line);background:#151a14;display:flex;flex-direction:column;align-items:start;transition:transform .3s var(--ease),border-color .3s var(--ease)}.guide-card:hover{transform:translateY(-5px);border-color:#829b6c}.guide-number{display:flex;justify-content:space-between;width:100%;font-family:'Barlow Condensed',sans-serif;font-size:36px;color:#799164;margin-bottom:30px}.guide-number>span{font-size:25px;color:var(--accent)}.guide-card .eyebrow{font-size:9px;letter-spacing:.12em;margin-bottom:15px}.guide-card h3{font-size:22px;line-height:1.3;margin-bottom:16px}.guide-card>p:not(.eyebrow){font-size:14px;margin-bottom:25px}.read-guide{font-size:13px;margin-top:auto;color:var(--accent)}.read-guide span{margin-left:12px}.tools-section{display:grid;grid-template-columns:1fr 1fr;gap:80px;border-block:1px solid var(--line)}.tools-section>div>p:not(.eyebrow){max-width:430px;margin-top:22px}.units-form{align-self:center}.units-form>label{display:block;font-size:14px;margin-bottom:12px}.unit-controls{display:grid;grid-template-columns:.6fr 1.4fr;gap:12px;margin-bottom:18px}.units-form output{display:block;margin-top:24px;color:var(--accent);font-size:24px;font-weight:600}.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.faq-section>div>p:not(.eyebrow){margin-top:25px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:25px;cursor:pointer;list-style:none;padding:22px 0;font-size:17px;font-weight:600}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:25px;color:var(--accent);transition:transform .3s var(--ease)}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-answer{padding-bottom:24px;font-size:16px}.faq-answer p{max-width:560px}.closing-cta{background:#222e1a;border-left:3px solid var(--accent);padding:45px 45px;display:flex;align-items:center;justify-content:space-between;gap:35px;margin-bottom:95px}.closing-cta h2{font-size:43px;margin-bottom:15px}.closing-cta .eyebrow{margin-bottom:15px}.closing-cta>div:first-child{max-width:620px}.closing-cta .button{white-space:nowrap}.closing-cta .small-note{font-size:11px}
.site-footer{border-top:1px solid var(--line);background:#0b0e0b;padding-block:50px 24px}.footer-top{display:flex;justify-content:space-between;gap:40px;align-items:start;padding-bottom:45px}.footer-top>p{font-size:16px}.footer-top nav{display:flex;gap:10px;flex-direction:column;font-size:13px}.footer-top nav a{text-decoration:none;color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:28px;padding-top:25px;border-top:1px solid var(--line);font-size:11px}.silva-brand{display:flex;align-items:center;gap:12px;min-width:160px}.silva-brand img{width:40px;height:40px;object-fit:contain}.silva-brand span{font-size:10px;line-height:1.5;color:var(--muted)}.silva-brand strong{font-size:11px;letter-spacing:.05em}.footer-bottom>a{white-space:nowrap}.page-intro h1{font-size:clamp(62px,7vw,92px);margin-bottom:30px}.lead{font-size:21px;line-height:1.65;max-width:730px}.page-intro .guide-grid{margin-top:55px}.article{padding-block:50px 90px}.breadcrumb{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;margin-bottom:45px;color:var(--muted)}.breadcrumb a{color:var(--accent);text-decoration:none}.article>h1{font-size:clamp(50px,6vw,85px);max-width:880px;margin-bottom:25px}.byline{font-size:12px;padding-block:25px;margin-top:15px;border-bottom:1px solid var(--line)}.article-layout{display:grid;grid-template-columns:minmax(0,770px) 280px;gap:90px;align-items:start;padding-top:45px}.article-body section{margin-bottom:45px}.article-body h2{font-size:35px;line-height:1.1;margin-bottom:22px}.article-body p{font-size:18px;line-height:1.85}.article-aside{position:sticky;top:125px;border:1px solid var(--line);padding:24px}.article-aside nav{display:flex;flex-direction:column;gap:17px;margin-bottom:28px}.article-aside nav a{font-size:14px;color:var(--muted);text-decoration:none}.article-aside .button{font-size:13px;min-height:45px}.article-bottom{border-top:1px solid var(--line);padding-top:30px;display:flex;justify-content:space-between;gap:20px;font-size:14px}.prose-page{max-width:850px;padding-block:80px 100px}.prose-page h1{font-size:clamp(52px,6vw,78px);margin-bottom:30px}.prose-page h2{font-size:35px;margin-block:40px 20px}.prose-page .button{margin-top:25px}.prose-page p{font-size:18px}.source-list{padding-left:20px;margin:22px 0}.source-list li+li{margin-top:20px}.source-list a{color:var(--accent)}.source-list p{font-size:14px!important;margin-top:8px}.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease)}.reveal-ready.is-visible{opacity:1;transform:translateY(0)}
@media(min-width:1600px){.hero{gap:85px;padding-block:80px 90px}.hero-image{height:490px}.hero h1{font-size:104px}}
@media(max-width:1100px){.shell{width:calc(100% - 60px)}.hero{gap:30px}.hero h1{font-size:68px}.hero-image{height:380px}.hero-actions{gap:16px}.hero-actions .button{font-size:13px}.header-inner nav{gap:22px}.gallery-layout{gap:50px}.guide-grid{grid-template-columns:repeat(2,1fr)}.fit-layout{gap:35px}.balanced-section{grid-template-columns:1fr}.article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 240px}.closing-cta{padding:35px}.closing-cta h2{font-size:38px}}
@media(max-width:760px){html{scroll-padding-top:85px}.shell{width:calc(100% - 36px)}.header-inner{min-height:72px;flex-wrap:wrap;gap:0;padding-block:15px}.brand{font-size:23px}.header-inner nav{width:100%;flex-wrap:wrap;gap:17px;margin-top:20px;padding-bottom:5px;font-size:13px}.header-inner nav .nav-cta{padding:0;border:0}.menu-toggle:not([hidden]){display:block;font-size:13px;min-height:40px}.js-menu #main-nav{display:none}.js-menu.menu-open #main-nav{display:flex}.hero{grid-template-columns:1fr;gap:35px;padding-block:45px}.hero h1{font-size:clamp(57px,12vw,84px)}.hero-copy{padding:0}.hero-intro{font-size:17px}.hero-actions{gap:23px}.hero-visual{justify-self:center;max-width:480px}.hero-image{height:330px}.hero-visual figcaption{font-size:9px}.spec-grid{grid-template-columns:1fr 1fr;gap:23px;padding-block:25px}.spec-grid>div{padding:0 15px}.spec-grid>div:nth-child(3){border:0;padding-left:0}.spec-grid span{font-size:11px}.spec-grid .spec-number{font-size:25px}.section{padding-block:65px}.section-heading{display:block;margin-bottom:30px}.section-heading>p,.section-heading>.text-link{display:block;margin-top:23px}.feature-grid,.gallery-layout,.fit-layout,.tools-section,.faq-section{grid-template-columns:1fr;gap:30px}.feature-card{padding:27px}.feature-card .feature-icon{margin-bottom:20px}.gallery-layout{gap:35px}.gallery-stage img{height:350px}.gallery-copy h2{font-size:52px}.gallery-thumbs{gap:9px}.gallery-thumb{padding:6px;font-size:11px}.gallery-thumb img{width:45px;height:45px}.fit-result{padding:28px}.fit-result h3{font-size:27px}.pros-cons{grid-template-columns:1fr;gap:30px}.balanced-section{gap:35px}.guide-card{padding:21px 17px}.guide-card h3{font-size:20px}.guide-card .eyebrow{font-size:9px}.guide-card>p:not(.eyebrow){font-size:13px}.guide-grid{gap:13px}.guide-number{margin-bottom:22px;font-size:31px}.tools-section{gap:32px}.unit-controls{grid-template-columns:1fr}.faq-section{gap:30px}.faq-list summary{font-size:16px}.closing-cta{display:block;padding:30px 25px;margin-bottom:65px}.closing-cta>div+div{margin-top:30px}.closing-cta h2{font-size:39px}.closing-cta .button{white-space:normal;width:100%}.footer-top{flex-wrap:wrap;gap:30px}.footer-top>p{font-size:14px}.footer-top nav{width:100%;gap:13px}.footer-bottom{align-items:start;flex-direction:column;gap:20px}.footer-bottom>p{font-size:11px;max-width:420px}.prose-page{padding-block:55px 70px}.prose-page h1{font-size:55px}.prose-page p{font-size:17px}.article-layout{grid-template-columns:1fr;padding-top:35px}.article-aside{position:static;order:-1}.article-aside nav{gap:12px}.article-aside .button{display:none}.article-aside .eyebrow{margin-bottom:15px}.article-aside nav{margin-bottom:0}.article>h1{font-size:52px}.article-body p{font-size:17px}.byline{font-size:11px}.breadcrumb{margin-bottom:30px}.lead{font-size:18px}.page-intro h1{font-size:65px}}
@media(max-width:370px){.hero h1{font-size:52px}.guide-grid{grid-template-columns:1fr}.gallery-thumb span{font-size:10px}.brand{font-size:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.reveal-ready{opacity:1;transform:none}.button:hover,.guide-card:hover{transform:none}}