@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');
:root{--bg:#f7faf7;--surface:#fff;--surface-2:#eef6f0;--text:#17231b;--muted:#5e6c63;--primary:#1f5d37;--primary-2:#2e7d4f;--accent:#a56a32;--line:#dbe8de;--shadow:0 18px 50px rgba(27,75,45,.09);--radius:18px;--max:1180px;}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;font-family:"Poppins",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.72;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#fff;padding:10px 16px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.25s}.site-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px rgba(28,62,38,.07)}.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);white-space:nowrap}.brand img{width:48px;height:48px;object-fit:contain}.nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav a{color:#34463a;font-size:.92rem;font-weight:600;padding:10px 11px;border-radius:10px}.nav a:hover,.nav a.active{background:var(--surface-2);color:var(--primary)}.btn,.nav .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;padding:13px 18px;box-shadow:0 10px 22px rgba(31,93,55,.16);transition:.22s}.btn:hover,.nav .btn:hover{transform:translateY(-2px);background:#174a2c;color:#fff}.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--line);box-shadow:none}.btn svg,.icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.menu-btn{display:none;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px}.menu-btn svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2}.doc-hero{padding:64px 0 48px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:30px;align-items:stretch}.masthead{background:linear-gradient(135deg,#ffffff 0%,#f0f7f2 100%);border:1px solid var(--line);border-radius:26px;padding:46px;position:relative;overflow:hidden}.masthead:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-80px;bottom:-130px;background:rgba(46,125,79,.09)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:.86rem;text-transform:uppercase;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}h1,h2,h3{line-height:1.18;margin:0 0 14px}h1{font-size:clamp(2.4rem,5vw,4.5rem);letter-spacing:-.04em;margin-top:13px}h2{font-size:clamp(1.8rem,3vw,2.6rem);letter-spacing:-.025em}h3{font-size:1.13rem}p{margin:0 0 16px}.lead{font-size:1.08rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:999px;font-size:.84rem;color:#45574b}.chip svg{width:17px;height:17px;fill:none;stroke:var(--primary);stroke-width:1.8}.quick-panel{background:var(--primary);color:#fff;border-radius:26px;padding:30px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow)}.quick-panel h2{font-size:1.45rem}.quick-list{display:grid;gap:10px}.quick-item{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.17)}.quick-item:last-child{border:0}.quick-item small{display:block;color:#cce1d3;margin-bottom:3px}.quick-item strong{font-size:.96rem}.quick-visual{margin-top:auto;border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.18)}.quick-visual img{aspect-ratio:16/9;object-fit:cover}.section{padding:78px 0}.section.alt{background:#fff;border-block:1px solid #edf2ee}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}.section-head p{max-width:650px;color:var(--muted)}.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:28px}.toc{align-self:start;position:sticky;top:100px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;padding:8px 10px;border-left:2px solid var(--line);color:#536058;font-size:.92rem}.toc a:hover{border-color:var(--primary);color:var(--primary)}.about-panel{display:grid;grid-template-columns:1fr .9fr;gap:24px;background:var(--surface-2);border:1px solid var(--line);border-radius:22px;padding:26px}.about-panel img{border-radius:16px;aspect-ratio:16/10;object-fit:cover}.fact-note{margin-top:18px;border-left:4px solid var(--accent);background:#fff;padding:15px 17px;border-radius:0 12px 12px 0;color:#435049}.feature-rows{display:grid;gap:14px}.feature-row{display:grid;grid-template-columns:54px 1fr;gap:17px;align-items:start;padding:20px;border:1px solid var(--line);background:#fff;border-radius:16px;transition:.2s}.feature-row:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcd7c3}.icon{width:48px;height:48px;display:grid;place-items:center;background:var(--surface-2);color:var(--primary);border-radius:13px}.icon svg{width:25px;height:25px}.feature-row p{color:var(--muted);margin:0}.steps{display:grid;gap:14px;counter-reset:step}.step{display:grid;grid-template-columns:74px 52px 1fr;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.step-num{font-weight:800;font-size:1.55rem;color:#98b8a2;border-right:1px solid var(--line)}.step p{margin:0;color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcd7c3}.card .icon{margin-bottom:15px}.card p{color:var(--muted);margin:0}.compat{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.compat .card{border-top:4px solid var(--primary)}.download-box{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;background:linear-gradient(145deg,#edf7f0,#fff);border:1px solid #cfe2d4;border-radius:26px;padding:32px}.download-box img{border-radius:19px;aspect-ratio:16/9;object-fit:cover}.download-meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 22px}.note{font-size:.9rem;color:#617067}.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:20px}.pros,.cons{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.pros{border-top:4px solid #2e7d4f}.cons{border-top:4px solid #b07a42}.plain-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}.plain-list li{display:flex;gap:10px;align-items:flex-start}.plain-list .mini{width:24px;height:24px;flex:0 0 24px;border-radius:8px;display:grid;place-items:center;background:var(--surface-2);color:var(--primary)}.plain-list .mini svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2}.release{display:grid;grid-template-columns:1fr 1fr;gap:20px}.info-box{background:#fff;border:1px solid var(--line);padding:24px;border-radius:18px}.guide-index{display:grid;gap:12px}.guide-link{display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;transition:.2s}.guide-link:hover{transform:translateX(4px);border-color:#b8d5c0;box-shadow:0 10px 28px rgba(27,75,45,.07)}.guide-link img{width:160px;aspect-ratio:16/9;object-fit:cover;border-radius:11px}.guide-link p{color:var(--muted);margin:0;font-size:.9rem}.guide-link .arrow{font-size:1.4rem;color:var(--primary);padding:10px}.faq-groups{display:grid;grid-template-columns:1fr 1fr;gap:26px}.faq-group{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}.faq-group h3{padding-bottom:14px;border-bottom:1px solid var(--line)}.faq-item{border-bottom:1px solid #edf1ee}.faq-item:last-child{border-bottom:0}.faq-q{width:100%;background:none;border:0;text-align:left;display:flex;justify-content:space-between;gap:16px;padding:17px 0;color:var(--text);font-weight:600}.faq-q svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:2;transition:.2s;flex:0 0 20px}.faq-item.open .faq-q svg{transform:rotate(45deg)}.faq-a{display:none;color:var(--muted);padding:0 0 17px}.faq-item.open .faq-a{display:block}.page-hero{padding:56px 0 24px}.page-hero .wrap{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px}.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:15px}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px}.article h2{font-size:1.6rem;margin-top:32px}.article h3{margin-top:24px}.article img{border-radius:16px;margin:24px 0}.article ul,.article ol{padding-left:22px}.sidebar{position:sticky;top:100px;display:grid;gap:16px}.sidebar .card{padding:20px}.post-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.86rem}.legal-copy{max-width:880px}.contact-email{font-size:1.25rem;font-weight:700;color:var(--primary);padding:18px 0}.site-footer{margin-top:80px;background:#eef6f0;border-top:1px solid var(--line)}.footer-grid{padding:52px 0 30px;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:34px}.footer-brand p{color:var(--muted);max-width:450px}.footer-links{display:grid;gap:9px}.footer-links a{color:#425048}.footer-links a:hover{color:var(--primary)}.copyright{border-top:1px solid #d7e5da;padding:20px 0 28px;display:flex;justify-content:space-between;gap:20px;align-items:flex-start;color:#5f6b63;font-size:.86rem}.copyright p{margin:0}.footer-disclaimer{text-align:right;max-width:560px}.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border:0;border-radius:50%;background:var(--primary);color:#fff;display:none;place-items:center;box-shadow:var(--shadow)}.to-top.show{display:grid}.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2}.reveal{opacity:0;transform:translateY(12px);transition:.5s}.reveal.visible{opacity:1;transform:none}
@media(max-width:980px){.nav{position:fixed;inset:76px 18px auto 18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;display:none;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:11px 13px}.menu-btn{display:grid}.hero-grid,.about-panel,.download-box,.content-wrap{grid-template-columns:1fr}.quick-panel{min-height:auto}.doc-layout{grid-template-columns:1fr}.toc{position:static;display:none}.grid-3,.compat,.safety-grid{grid-template-columns:repeat(2,1fr)}.faq-groups{grid-template-columns:1fr}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:700px){.container{width:min(100% - 28px,var(--max))}.doc-hero{padding:34px 0 28px}.masthead,.quick-panel{padding:26px;border-radius:20px}h1{font-size:2.35rem}.section{padding:58px 0}.section-head{display:block}.grid-3,.grid-2,.compat,.safety-grid,.proscons,.release{grid-template-columns:1fr}.step{grid-template-columns:48px 44px 1fr;padding:14px}.step-num{font-size:1.2rem}.guide-link{grid-template-columns:105px 1fr}.guide-link img{width:105px}.guide-link .arrow{display:none}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.footer-disclaimer{text-align:left;margin-top:9px}.article{padding:24px}.nav-wrap{min-height:70px}.brand span{font-size:.9rem}.brand img{width:42px;height:42px}}
@media(max-width:420px){.hero-actions .btn{width:100%}.trust-row{gap:8px}.chip{font-size:.78rem}.guide-link{grid-template-columns:1fr}.guide-link img{width:100%}.step{grid-template-columns:42px 1fr}.step .icon{display:none}.footer-grid{padding-top:38px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}


/* Refinements: flatter, more editorial layout with fewer boxed surfaces */
.section-head{display:block;max-width:820px;margin-bottom:34px}
.section-head>div{display:block}
.section-head p{max-width:760px;margin-top:10px;margin-bottom:0}
.doc-layout-single{grid-template-columns:1fr}
.doc-layout-single .about-panel{max-width:100%}

.about-panel{background:transparent;border:0;border-radius:0;padding:0;align-items:center}
.fact-note{border-radius:0;background:transparent;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-left:3px solid var(--accent);padding:14px 16px}
.feature-rows{gap:0}
.feature-row{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:22px 4px;background:transparent}
.feature-row:first-child{border-top:1px solid var(--line)}
.feature-row:hover{transform:none;box-shadow:none;border-color:var(--primary);background:rgba(46,125,79,.025)}
.steps{gap:0;border-top:1px solid var(--line)}
.step{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:20px 4px;background:transparent}
.card{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:22px 4px;background:transparent}
.card:hover{transform:none;box-shadow:none;border-color:var(--primary);background:rgba(46,125,79,.025)}
.compat .card{border-top:0;border-bottom:1px solid var(--line)}
.safety-grid,.grid-3,.grid-2,.compat{gap:22px}
.pros,.cons{border-left:0;border-right:0;border-bottom:0;border-radius:0;background:transparent;padding:24px 4px}
.info-box{border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;padding:22px 4px}
.guide-link{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;padding:14px 0}
.guide-link:hover{transform:none;box-shadow:none;border-color:var(--primary);background:rgba(46,125,79,.025)}
.faq-groups{gap:34px}
.faq-group{border:0;border-radius:0;background:transparent;padding:0}
.page-hero .wrap{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:30px 0;background:transparent}
.article{border:0;border-radius:0;padding:8px 0;background:transparent}
.sidebar .card{padding:18px 0}
.download-box{border-radius:20px}
@media(max-width:980px){.doc-layout-single{grid-template-columns:1fr}}


/* Inner-page spacing refinements: homepage intentionally unchanged */
.inner-page .page-hero{padding:42px 0 12px}
.inner-page .page-hero .wrap{padding:22px 0}
.inner-page .page-hero h1{margin-bottom:9px}
.inner-page .page-hero .lead{margin-bottom:0}
.inner-page .section{padding:52px 0}
.inner-page .article h2{margin-top:24px;margin-bottom:8px}
.inner-page .article h3{margin-top:18px;margin-bottom:7px}
.inner-page .article p{margin-bottom:12px}
.inner-page .article h2 + p,.inner-page .article h3 + p{margin-top:0}
.inner-page .section-head{margin-bottom:22px}
.inner-page .section-head p{margin-top:6px}
.inner-page .content-wrap{gap:22px}
.inner-page .site-footer{margin-top:54px}
@media(max-width:700px){
  .inner-page .page-hero{padding:30px 0 8px}
  .inner-page .page-hero .wrap{padding:18px 0}
  .inner-page .section{padding:42px 0}
  .inner-page .article h2{margin-top:20px}
  .inner-page .article h3{margin-top:16px}
}

/* Post image clarity and presentation */
.guide-link{grid-template-columns:260px minmax(0,1fr) auto;gap:22px;padding:14px;align-items:center}
.guide-link img{width:260px;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;border-radius:12px;image-rendering:auto;box-shadow:0 8px 22px rgba(27,75,45,.08)}
.article>img:first-child{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;border-radius:16px;image-rendering:auto;box-shadow:0 10px 28px rgba(27,75,45,.08)}

/* Homepage: make the three featured posts image-led and easy to scan */
#guides .guide-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
#guides .guide-link{display:block;padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible}
#guides .guide-link:hover{transform:translateY(-3px);box-shadow:none}
#guides .guide-link img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;border-radius:16px;box-shadow:0 10px 28px rgba(27,75,45,.10)}
#guides .guide-link>div{padding:16px 2px 0}
#guides .guide-link h3{margin-bottom:8px}
#guides .guide-link .arrow{display:none}

@media(max-width:900px){
  .guide-link{grid-template-columns:210px minmax(0,1fr) auto}
  .guide-link img{width:210px}
  #guides .guide-index{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .guide-link{grid-template-columns:140px minmax(0,1fr);gap:14px;padding:12px}
  .guide-link img{width:140px}
  .guide-link .arrow{display:none}
  #guides .guide-index{grid-template-columns:1fr;gap:28px}
  #guides .guide-link{display:block;padding:0}
  #guides .guide-link img{width:100%}
  .article>img:first-child{margin-top:10px}
}
@media(max-width:480px){
  .guide-link{grid-template-columns:1fr}
  .guide-link img{width:100%;aspect-ratio:16/9}
}

/* v5: clear post imagery and unbroken footer disclaimer */
.article > img:first-child{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:contain;object-position:center;margin:0 0 24px;border-radius:16px;background:transparent;box-shadow:0 10px 28px rgba(27,75,45,.08)}
.guide-link img{display:block;width:260px;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center;border-radius:12px;background:transparent;image-rendering:auto}
.home-guides .guide-link img,.guide-preview .guide-link img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.footer-disclaimer{white-space:nowrap;max-width:none;flex:0 0 auto}
@media(max-width:700px){.footer-disclaimer{white-space:nowrap;text-align:left;margin-top:9px;font-size:clamp(7px,2.15vw,.82rem);letter-spacing:-.01em}.article > img:first-child{margin-bottom:20px}.guide-link img{width:105px}}
@media(max-width:420px){.guide-link img{width:100%}}


/* v8 homepage layout refinement: compact hero + visibly different section compositions */
.doc-hero .hero-grid{align-items:start}
.doc-hero .masthead,.doc-hero .quick-panel{align-self:start}
.doc-hero .quick-panel{height:auto}
.doc-hero .quick-visual{margin-top:6px}

/* About: editorial split with image-led second column */
#about .about-panel{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:44px;align-items:center}
#about .about-panel img{width:100%;border-radius:20px;aspect-ratio:4/3;object-fit:cover;box-shadow:0 16px 36px rgba(27,75,45,.08)}

/* Features: full-width documentation rows */
#features .feature-rows{display:grid;grid-template-columns:1fr;gap:0;max-width:1020px}
#features .feature-row{grid-template-columns:62px minmax(0,1fr);padding:24px 6px}
#features .feature-row:nth-child(even){margin-left:8%}
#features .feature-row:nth-child(odd){margin-right:8%}

/* How it works: two-column process board */
#how-it-works .steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;border-top:0}
#how-it-works .step{grid-template-columns:56px 48px minmax(0,1fr);padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px}
#how-it-works .step:nth-child(2),#how-it-works .step:nth-child(4){transform:translateY(18px)}

/* Compatibility: horizontal fact strip */
#compatibility .compat{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
#compatibility .compat .card{border:0;border-right:1px solid var(--line);padding:28px 26px;background:transparent}
#compatibility .compat .card:last-child{border-right:0}

/* Use cases: asymmetric mosaic */
#use-cases .grid-3{display:grid;grid-template-columns:1.2fr .8fr;grid-template-areas:"a b" "a c";gap:18px}
#use-cases .grid-3 .card{padding:30px;border:1px solid var(--line);border-radius:22px;background:#fff}
#use-cases .grid-3 .card:nth-child(1){grid-area:a;display:flex;flex-direction:column;justify-content:center;min-height:330px}
#use-cases .grid-3 .card:nth-child(2){grid-area:b}
#use-cases .grid-3 .card:nth-child(3){grid-area:c}

/* Benefits: compact alternating list, not cards */
#benefits .grid-3{display:grid;grid-template-columns:1fr;gap:0;max-width:900px;margin-left:auto}
#benefits .card{display:grid;grid-template-columns:60px 230px 1fr;align-items:start;gap:18px;border:0;border-top:1px solid var(--line);padding:24px 0;background:transparent}
#benefits .card:last-child{border-bottom:1px solid var(--line)}
#benefits .card .icon{margin:0}
#benefits .card h3{margin:10px 0 0}

/* Installation: 2x2 numbered tiles */
#installation .steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;border:0}
#installation .step{grid-template-columns:58px 48px 1fr;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}

/* Download: distinct visual split */
#download .download-box{grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);padding:38px;border-radius:28px;background:linear-gradient(120deg,#eef7f0 0%,#fff 62%)}
#download .download-box img{min-height:300px;object-fit:cover}

/* Safety: slim four-column checklist */
#safety .safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-block:1px solid var(--line)}
#safety .safety-grid .card{border:0;border-right:1px solid var(--line);padding:26px 22px;background:transparent}
#safety .safety-grid .card:last-child{border-right:0}

/* Pros / Cons: opposing split */
#pros-cons .proscons{gap:42px;position:relative}
#pros-cons .proscons:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line)}
#pros-cons .pros,#pros-cons .cons{padding:10px 28px 10px 0;border:0;background:transparent}
#pros-cons .cons{padding:10px 0 10px 28px}

/* Release: one wide + one compact panel */
#release .release{grid-template-columns:1.35fr .65fr;gap:26px;align-items:stretch}
#release .info-box{padding:30px;border:1px solid var(--line);border-radius:20px;background:#fff}
#release .info-box:nth-child(2){background:var(--surface-2);border-color:transparent}

/* Troubleshooting: vertical diagnostic rail */
#troubleshooting .grid-3{display:grid;grid-template-columns:1fr;gap:0;max-width:940px}
#troubleshooting .card{display:grid;grid-template-columns:64px 250px 1fr;gap:18px;align-items:start;padding:22px 0;border:0;border-bottom:1px solid var(--line);background:transparent}
#troubleshooting .card:first-child{border-top:1px solid var(--line)}
#troubleshooting .card .icon{margin:0}
#troubleshooting .card h3{margin:10px 0 0}

/* Guides: image-led three-column editorial cards */
#guides .guide-index{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}

/* FAQ: two-column documentation accordion remains unique */
#faq .faq-groups{gap:44px}
#faq .faq-group{padding-left:18px;border-left:2px solid var(--line)}

@media(max-width:980px){
  #about .about-panel{grid-template-columns:1fr;gap:26px}
  #features .feature-row:nth-child(even),#features .feature-row:nth-child(odd){margin:0}
  #compatibility .compat{grid-template-columns:1fr}
  #compatibility .compat .card{border-right:0;border-bottom:1px solid var(--line)}
  #compatibility .compat .card:last-child{border-bottom:0}
  #use-cases .grid-3{grid-template-columns:1fr 1fr;grid-template-areas:"a a" "b c"}
  #use-cases .grid-3 .card:nth-child(1){min-height:auto}
  #safety .safety-grid{grid-template-columns:1fr 1fr}
  #safety .safety-grid .card:nth-child(2){border-right:0}
  #safety .safety-grid .card:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media(max-width:700px){
  .doc-hero .hero-grid{gap:18px}
  #how-it-works .steps,#installation .steps{grid-template-columns:1fr}
  #how-it-works .step:nth-child(2),#how-it-works .step:nth-child(4){transform:none}
  #use-cases .grid-3{grid-template-columns:1fr;grid-template-areas:"a" "b" "c"}
  #benefits .card,#troubleshooting .card{grid-template-columns:52px 1fr}
  #benefits .card h3,#troubleshooting .card h3{margin:8px 0 4px}
  #benefits .card p,#troubleshooting .card p{grid-column:2}
  #download .download-box{grid-template-columns:1fr;padding:26px}
  #safety .safety-grid{grid-template-columns:1fr}
  #safety .safety-grid .card{border-right:0;border-bottom:1px solid var(--line)}
  #safety .safety-grid .card:last-child{border-bottom:0}
  #pros-cons .proscons:before{display:none}
  #pros-cons .pros,#pros-cons .cons{padding:12px 0}
  #release .release{grid-template-columns:1fr}
  #guides .guide-index{grid-template-columns:1fr}
}


/* v9 homepage layout refinements */
/* Features: six equal-width cards */
#features .feature-rows{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  max-width:none;
}
#features .feature-row,
#features .feature-row:nth-child(odd),
#features .feature-row:nth-child(even){
  margin:0;
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  align-content:start;
  gap:16px;
  width:100%;
  padding:24px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
#features .feature-row:first-child{border-top:1px solid var(--line)}
#features .feature-row:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
  border-color:#bcd7c3;
  background:#fff;
}

/* Use cases: alternating zig-zag composition */
#use-cases .grid-3{
  display:flex;
  flex-direction:column;
  gap:22px;
}
#use-cases .grid-3 .card{
  width:min(76%,860px);
  min-height:0;
  display:grid;
  grid-template-columns:58px minmax(0,1fr);
  column-gap:18px;
  align-items:start;
  padding:26px 30px;
}
#use-cases .grid-3 .card:nth-child(odd){align-self:flex-start}
#use-cases .grid-3 .card:nth-child(even){align-self:flex-end}
#use-cases .grid-3 .card .icon{grid-row:1 / span 2;margin:0}
#use-cases .grid-3 .card h3{margin:7px 0 5px}
#use-cases .grid-3 .card p{grid-column:2}

/* Why use it: keep the content group anchored to the left */
#benefits .grid-3{
  max-width:900px;
  margin-left:0;
  margin-right:auto;
}

/* Installation: letter badges removed; icon leads each step */
#installation .step{
  grid-template-columns:48px minmax(0,1fr);
}

@media (max-width:900px){
  #features .feature-rows{grid-template-columns:repeat(2,minmax(0,1fr))}
  #use-cases .grid-3 .card{width:88%}
}
@media (max-width:640px){
  #features .feature-rows{grid-template-columns:1fr}
  #use-cases .grid-3 .card{width:100%;align-self:stretch;padding:22px}
}

/* Use cases: keep every zig-zag card the same size */
#use-cases .grid-3 .card,
#use-cases .grid-3 .card:nth-child(1),
#use-cases .grid-3 .card:nth-child(2),
#use-cases .grid-3 .card:nth-child(3){
  width:min(76%,860px);
  min-height:150px;
  display:grid;
  grid-template-columns:58px minmax(0,1fr);
  column-gap:18px;
  align-items:start;
  justify-content:initial;
}
@media (max-width:900px){
  #use-cases .grid-3 .card,
  #use-cases .grid-3 .card:nth-child(1),
  #use-cases .grid-3 .card:nth-child(2),
  #use-cases .grid-3 .card:nth-child(3){width:88%;min-height:150px}
}
@media (max-width:640px){
  #use-cases .grid-3 .card,
  #use-cases .grid-3 .card:nth-child(1),
  #use-cases .grid-3 .card:nth-child(2),
  #use-cases .grid-3 .card:nth-child(3){width:100%;min-height:0}
}

/* v11 hero — reference-inspired split showcase */
.hero-showcase{padding:54px 0 56px;background:radial-gradient(circle at 12% 12%,rgba(217,239,221,.6),transparent 34%),radial-gradient(circle at 88% 10%,rgba(225,239,252,.7),transparent 35%),#fbfcfb;overflow:hidden}
.hero-showcase-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,.92fr);gap:54px;align-items:center}
.hero-copy{padding:18px 0}
.hero-copy h1{max-width:720px;font-size:clamp(2.85rem,4.8vw,4.8rem);line-height:1.08;margin:18px 0 18px;letter-spacing:-.045em}
.hero-copy .lead{max-width:650px;font-size:1.08rem;line-height:1.78}
.hero-copy .hero-actions{margin-top:24px}
.hero-primary{padding-inline:22px}
.hero-chips{margin-top:18px;gap:9px}
.hero-chips .chip{background:rgba(255,255,255,.86);box-shadow:0 6px 18px rgba(25,72,42,.04)}
.hero-media{display:grid;gap:14px}
.hero-image-card{position:relative;background:#fff;border:1px solid #dbe5de;border-radius:26px;padding:9px;box-shadow:0 18px 45px rgba(28,62,38,.11);overflow:hidden}
.hero-image-card>img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:19px}
.hero-image-badge{position:absolute;left:26px;bottom:24px;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);padding:10px 14px;border-radius:15px;box-shadow:0 10px 28px rgba(17,43,27,.16);color:var(--text)}
.hero-image-badge img{width:36px;height:36px;object-fit:contain}
.hero-image-badge strong{font-size:.92rem;white-space:nowrap}
.sound-bars{display:flex;gap:3px;align-items:center;margin-left:6px}
.sound-bars i{display:block;width:2px;background:var(--primary);border-radius:9px;opacity:.65}
.sound-bars i:nth-child(1){height:10px}.sound-bars i:nth-child(2){height:18px}.sound-bars i:nth-child(3){height:24px}.sound-bars i:nth-child(4){height:14px}
.hero-info-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.hero-info-card{display:grid;grid-template-columns:38px 1fr;gap:10px;align-items:start;background:rgba(255,255,255,.94);border:1px solid #dce4df;border-radius:14px;padding:14px 12px;min-height:104px}
.hero-info-icon{width:36px;height:36px;display:grid;place-items:center;color:var(--primary)}
.hero-info-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.hero-info-card:first-child .hero-info-icon svg{fill:currentColor;stroke:none}
.hero-info-card strong{display:block;font-size:.92rem;margin:1px 0 5px}
.hero-info-card small{display:block;color:var(--muted);font-size:.74rem;line-height:1.45}
@media(max-width:1040px){.hero-showcase-grid{grid-template-columns:1fr;gap:30px}.hero-copy{padding-bottom:0}.hero-copy h1{max-width:800px}.hero-media{max-width:820px}.hero-info-card{min-height:96px}}
@media(max-width:700px){.hero-showcase{padding:32px 0 38px}.hero-copy h1{font-size:clamp(2.35rem,11vw,3.4rem)}.hero-image-card{border-radius:20px;padding:7px}.hero-image-card>img{border-radius:14px;aspect-ratio:4/3}.hero-image-badge{left:16px;bottom:15px;padding:8px 10px}.hero-image-badge img{width:30px;height:30px}.sound-bars{display:none}.hero-info-row{grid-template-columns:1fr}.hero-info-card{min-height:auto}.hero-chips .chip{font-size:.76rem}.hero-actions .btn{flex:1 1 220px}}
@media(max-width:420px){.hero-image-badge strong{font-size:.78rem}.hero-image-badge{max-width:calc(100% - 32px)}.hero-copy .hero-actions .btn{width:100%}}