/* Door Closer Guide: extends the site stylesheet /assets/style.css */
.guide-nav{background:var(--ink);border-top:1px solid #3a342a;position:sticky;top:0;z-index:40;}
.guide-nav .wrap{display:flex;gap:.35rem;overflow-x:auto;padding:.5rem 1.25rem;scrollbar-width:none;}
.guide-nav .wrap::-webkit-scrollbar{display:none;}
.guide-nav a{flex:none;color:var(--paper-dim);text-decoration:none;font-weight:600;font-size:.9rem;padding:.3rem .7rem;border-radius:var(--radius);white-space:nowrap;}
.guide-nav a:hover{color:#fff;background:#332e25;}
.guide-nav a[aria-current]{background:var(--orange);color:#fff;}
.guide-meta{color:var(--steel-light);font-size:.88rem;margin:0;}
.hero h1{font-size:clamp(2.1rem,7vw,3.2rem);}

.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem;}
@media(min-width:900px){.layout{grid-template-columns:minmax(0,1fr) 220px;}}
.article{min-width:0;font-size:1.05rem;}
.article h2{margin-top:2rem;scroll-margin-top:4rem;}
.article h3{margin-top:1.3rem;}
.article ul,.article ol{padding-left:1.25rem;margin:0 0 1em;}
.article li{margin-bottom:.35rem;}
.side{display:none;}
@media(min-width:900px){.side{display:block;}}
.side-box{position:sticky;top:3.6rem;font-size:.92rem;}
.side-box h2{font-size:1.05rem;border:0;padding:0;margin-bottom:.5rem;}
.side-box ol,.side-box ul{list-style:none;margin:0 0 1.3rem;padding:0;border-left:3px solid var(--line);}
.side-box li{margin:0;}
.side-box a{display:block;padding:.28rem .7rem;color:var(--steel);text-decoration:none;line-height:1.3;}
.side-box a:hover{color:var(--orange-dark);}
.toc-mobile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 1.3rem;}
@media(min-width:900px){.toc-mobile{display:none;}}
.toc-mobile summary{cursor:pointer;font-weight:700;padding:.7rem 1rem;}
.toc-mobile ol{margin:0;padding:0 1rem .8rem 2.2rem;font-size:.95rem;}

.quick{background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:var(--radius);padding:1rem 1.2rem;margin:0 0 1.4rem;}
.quick p:last-child{margin-bottom:0;}
.note{background:#fff;border-left:5px solid var(--steel);padding:.9rem 1.1rem;font-size:.97rem;margin:1.2rem 0;}
.note p:last-child{margin-bottom:0;}

.table-wrap{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;-webkit-overflow-scrolling:touch;}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.96rem;min-width:440px;}
.table-wrap caption{caption-side:top;text-align:left;padding:.65rem .9rem;font-weight:700;color:var(--steel);}
.table-wrap th,.table-wrap td{text-align:left;padding:.55rem .9rem;border-top:1px solid var(--paper-dim);vertical-align:top;}
.table-wrap thead th{background:var(--panel);color:var(--paper);font-family:"Barlow Condensed",sans-serif;font-size:1.05rem;font-weight:700;border-top:0;}
.table-wrap tbody th{font-weight:700;}

/* Product block: two CTAs, same structure as the recommended block */
.promo{position:relative;overflow:hidden;background:linear-gradient(100deg,var(--ink),#3b342a 60%,var(--steel));color:#fff;border-radius:8px;padding:1.5rem;margin:1.8rem 0;display:flex;flex-direction:column;gap:1.25rem;}
.promo::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.03) 0 26px,transparent 26px 90px);pointer-events:none;}
.promo>*{position:relative;}
@media(min-width:640px){.promo{flex-direction:row;align-items:center;justify-content:space-between;padding:1.75rem;}}
.promo-eyebrow{margin:0;font-size:.85rem;font-weight:700;color:#ffb48a;text-transform:uppercase;letter-spacing:.05em;}
.article .promo h3,.promo h3{color:#fff;font-size:clamp(1.35rem,4vw,1.7rem);margin:.15rem 0 0;}
.promo-text{margin:.5rem 0 0;color:var(--paper-dim);font-size:.98rem;}
.promo-code{margin:.75rem 0 0;font-size:.92rem;color:var(--paper-dim);}
.promo-code strong{color:#ffb48a;}
.promo-code code{background:#fff;color:var(--ink);font-family:inherit;font-weight:700;padding:.1rem .45rem;border-radius:3px;}
.promo-btns{flex:none;display:flex;flex-direction:column;gap:.7rem;width:100%;}
@media(min-width:640px){.promo-btns{width:auto;}}
.promo-btns a{display:block;text-align:center;font-weight:700;padding:.75rem 1.2rem;border-radius:var(--radius);text-decoration:none;transition:background .15s ease;white-space:nowrap;}
.promo-btns .buy-amazon{background:#fff;color:var(--ink);}
.promo-btns .buy-amazon:hover{background:var(--paper-dim);}
.promo-btns .buy-store{background:var(--orange);color:#fff;}
.promo-btns .buy-store:hover{background:var(--orange-dark);}
.mid-cta{text-align:center;margin:1.6rem 0;font-size:1.1rem;}
.mid-cta a{font-weight:700;text-underline-offset:3px;}

/* Grids */
.section{padding:2.4rem 0;}
.section-alt{background:var(--paper-dim);}
.section-intro{max-width:62ch;}
.pillar-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.3rem;}
@media(min-width:640px){.pillar-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:900px){.pillar-grid{grid-template-columns:repeat(6,1fr);}.pillar-card{grid-column:span 2;}.pillar-card:nth-child(n+4){grid-column:span 3;}}
.pillar-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:var(--radius);padding:1.15rem 1.2rem;transition:transform .15s ease,box-shadow .15s ease;}
.pillar-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(28,26,23,.12);}
.pillar-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem;}
.pillar-head svg{width:34px;height:34px;flex:none;}
.pillar-head h3{margin:0;font-size:1.4rem;}
.pillar-head h3 a{color:var(--ink);text-decoration:none;}
.pillar-card p{font-size:.95rem;color:#3d3a35;margin-bottom:.6rem;}
.pillar-card ul{list-style:none;margin:0 0 .9rem;padding:0;font-size:.93rem;}
.pillar-card li{padding:.22rem 0;border-top:1px solid var(--paper-dim);}
.pillar-card li a{text-decoration:none;}
.pillar-card li a:hover{text-decoration:underline;}
.pillar-card .btn{margin-top:auto;align-self:flex-start;}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--orange);}

.article-grid{display:grid;grid-template-columns:1fr;gap:.9rem;margin:1.2rem 0 1.6rem;}
@media(min-width:600px){.article-grid{grid-template-columns:1fr 1fr;}}
.article-grid .cat-card h3{font-size:1.2rem;}

/* Finder */
.finder{background:var(--panel);color:var(--paper);border-radius:8px;padding:1.4rem;margin-top:1.3rem;}
.finder h3{color:#fff;font-size:1.4rem;}
.finder-btns{display:grid;grid-template-columns:1fr 1fr;gap:.55rem;margin:.8rem 0 1rem;}
@media(min-width:760px){.finder-btns{grid-template-columns:repeat(3,1fr);}}
.finder-btns button{font:inherit;font-weight:700;text-align:left;cursor:pointer;background:#332e25;color:var(--paper);border:2px solid #4d463a;border-radius:var(--radius);padding:.7rem .8rem;line-height:1.25;transition:border-color .15s ease,background .15s ease;}
.finder-btns button:hover{border-color:var(--orange);}
.finder-btns button[aria-selected="true"]{background:var(--orange);border-color:var(--orange);color:#fff;}
.finder-panel{background:#fff;color:var(--ink);border-radius:var(--radius);padding:1rem 1.1rem;}
.finder-panel[hidden]{display:none;}
.finder-panel p{margin-bottom:.6rem;}
.finder-panel .btn{margin-top:.15rem;}

/* Models */
.model-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.3rem;}
@media(min-width:700px){.model-grid{grid-template-columns:1fr 1fr;}}
.model-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem;display:flex;flex-direction:column;}
.model-card img{width:100%;max-width:240px;height:auto;margin:0 auto .7rem;}
.model-card ul{margin:0 0 .9rem;padding-left:1.1rem;font-size:.95rem;}
.model-card .cta-row{margin-top:auto;}

.seo-text{max-width:72ch;font-size:1.03rem;}
.seo-text h2{margin-top:1.8rem;}
.diagram{margin:1.3rem 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.9rem;}
.diagram-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.diagram svg{width:100%;min-width:560px;height:auto;display:block;}
.diagram figcaption{font-size:.9rem;color:var(--steel);margin-top:.5rem;}
.up-link{font-weight:700;}