/* =========================================================
   LockSys Solutions — products.css
   Products listing (products.html) + product article pages
   ========================================================= */

/* ---------- Page hero (subpages) ---------- */
.page-hero{
  position:relative;overflow:hidden;
  margin-top:calc(var(--header-h) * -1);
  padding-top:calc(var(--header-h) + clamp(40px,5vw,80px));
  padding-bottom:clamp(40px,5vw,72px);
  background:linear-gradient(180deg,var(--blue-50),var(--white));
  border-bottom:1px solid var(--line);
}
.page-hero .hero__pattern{inset:0}
.page-hero__l{position:absolute;inset-inline-end:-4%;top:-20%;width:min(40vw,440px);aspect-ratio:77/102;height:auto;fill:none;stroke:var(--blue);stroke-width:.35;opacity:.14;pointer-events:none}
.page-hero .container{position:relative}
.page-hero h1{font-size:clamp(2rem,1.4rem + 2.4vw,3.2rem);font-weight:700;color:var(--navy);line-height:1.3;margin-top:var(--s-4);text-wrap:balance}
.page-hero .section-intro{margin-top:var(--s-3)}

/* Breadcrumbs */
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:var(--fs-sm);color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"";width:1px;height:12px;background:var(--line-strong);transform:skewX(calc(var(--lean) * -1));margin-inline-end:4px}
.crumbs a{color:var(--muted);transition:color var(--d-fast)}
.crumbs a:hover{color:var(--blue)}
.crumbs [aria-current]{color:var(--navy);font-weight:500}

/* ---------- Filter tabs ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-block:clamp(32px,4vw,48px) clamp(24px,3vw,36px)}
.filter{
  display:inline-flex;align-items:center;gap:10px;min-height:46px;padding-inline:16px 18px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);color:var(--navy);
  font-weight:500;font-size:var(--fs-sm);transition:border-color var(--d-fast),background-color var(--d-fast),color var(--d-fast)
}
.filter .i{width:18px;height:18px;color:var(--blue)}
.filter b{font-weight:600;font-size:var(--fs-xs);color:var(--muted);min-width:22px;height:22px;display:grid;place-items:center;border-radius:4px;background:var(--blue-50)}
.filter:hover{border-color:var(--line-strong)}
.filter[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:var(--white)}
.filter[aria-pressed="true"] .i{color:var(--blue-bright)}
.filter[aria-pressed="true"] b{background:rgba(255,255,255,.12);color:var(--white)}

/* ---------- Category groups ---------- */
.cat-group{padding-top:clamp(24px,3vw,40px)}
.cat-group+.cat-group{margin-top:clamp(32px,4vw,56px);border-top:1px solid var(--line)}
.cat-group__head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.cat-group__head .i{width:26px;height:26px;color:var(--blue)}
.cat-group__head h2{font-size:clamp(1.3rem,1.1rem + .8vw,1.7rem);color:var(--navy)}
.cat-group__head p{color:var(--muted);font-size:var(--fs-sm);margin-inline-start:auto;max-width:44ch}
.cat-group[hidden]{display:none}

/* ---------- Post cards ---------- */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post{
  position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color var(--d-ui) var(--ease-out),box-shadow var(--d-ui) var(--ease-out),transform var(--d-ui) var(--ease-out)
}
.js .post[data-reveal].is-in{transition:opacity var(--d-reveal) var(--ease-out) var(--delay,0ms),transform var(--d-ui) var(--ease-out),border-color var(--d-ui),box-shadow var(--d-ui)}
.post:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-3px)}
.js .post[data-reveal].is-in:hover{transform:translateY(-3px)}
.post__body{display:flex;flex-direction:column;gap:10px;padding:22px 22px 24px;flex:1}
.post__title{font-size:1.15rem;font-weight:600;color:var(--navy);line-height:1.5}
.post__title a::after{content:"";position:absolute;inset:0;z-index:1}
.post__body p{font-size:var(--fs-sm);color:var(--muted);line-height:1.8}
.post__more{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:var(--fs-sm);color:var(--blue)}
.post__more .i{width:16px;height:16px;transition:transform var(--d-ui) var(--ease-out)}
.post:hover .post__more .i{transform:translateX(-4px)}
.post a:focus-visible{outline:none}
.post:has(a:focus-visible){outline:2px solid var(--blue);outline-offset:3px}

.tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:var(--fs-xs);font-weight:600;color:var(--blue);background:var(--blue-50);border:1px solid var(--line);padding:3px 10px;border-radius:4px}
.tag .i{width:14px;height:14px}

/* ---------- Cover (brand graphic for each product) ---------- */
.cover{
  position:relative;overflow:hidden;aspect-ratio:16/9;
  background:
    repeating-linear-gradient(var(--lean-grad),transparent 0 26px,rgba(22,139,255,.10) 26px 27px),
    linear-gradient(150deg,var(--cover-a,var(--navy-3)) 0%,var(--navy) 70%);
  color:var(--white);isolation:isolate
}
.cover[data-cat="food"]{--cover-a:#0F4FB8}
.cover[data-cat="enterprise"]{--cover-a:#1A3F73}
.cover__l{position:absolute;inset-inline-start:-6%;top:-26%;width:52%;aspect-ratio:77/102;height:auto;fill:none;stroke:var(--blue-bright);stroke-width:.45;opacity:.55;z-index:-1;transition:transform 900ms var(--ease-out)}
.post:hover .cover__l{transform:translateY(-6px)}
.cover__foot{position:absolute;bottom:0;inset-inline-start:0;width:58%;height:10px;background:linear-gradient(to left,var(--blue),var(--blue-bright));clip-path:polygon(0 0,100% 0,100% 100%,8px 100%)}
.cover__icon{position:absolute;inset-block-start:22px;inset-inline-start:22px;width:56px;height:56px;display:grid;place-items:center;border-radius:var(--r-sm);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:var(--white)}
.cover__icon .i{width:28px;height:28px}
.cover__name{position:absolute;inset-inline:22px;bottom:26px;font-weight:600;font-size:.95rem;color:var(--on-navy);line-height:1.5}
.cover--wide{aspect-ratio:21/8;border-radius:var(--r-md)}
.cover--wide .cover__icon{width:76px;height:76px;inset-block-start:auto;bottom:34px;inset-inline-start:34px}
.cover--wide .cover__icon .i{width:38px;height:38px}
.cover--wide .cover__l{width:34%;top:-40%;inset-inline-start:auto;inset-inline-end:6%}
.cover--wide .cover__foot{width:44%;height:14px}
.cover__kpis{position:absolute;inset-block-start:30px;inset-inline-start:34px;display:flex;flex-wrap:wrap;gap:8px;max-width:60%}
.cover__kpis span{font-size:var(--fs-xs);font-weight:500;padding:5px 12px;border:1px solid rgba(255,255,255,.18);border-radius:4px;color:var(--on-navy);background:rgba(7,31,61,.35)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--navy);color:var(--on-navy);border-radius:var(--r-md);padding:clamp(28px,4vw,56px);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(var(--lean-grad),transparent 0 40px,rgba(22,139,255,.08) 40px 41px);pointer-events:none}
.cta-band h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.9rem);color:var(--white);position:relative}
.cta-band p{color:var(--on-navy-muted);margin-top:8px;position:relative;max-width:52ch}
.cta-band .btn{position:relative}
.cta-band .btn--ghost{--btn-fg:var(--white)}
.cta-band .btn--ghost::before{box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:10px;position:relative}

/* ---------- Home: products teaser ---------- */
.products-home__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.pcat{
  position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color var(--d-ui),box-shadow var(--d-ui)
}
.pcat:hover{border-color:var(--line-strong);box-shadow:var(--sh-2)}
.pcat .cover{aspect-ratio:16/7}
.pcat__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcat__body h3{font-size:1.2rem;color:var(--navy)}
.pcat__list{display:grid;gap:2px;margin-top:4px}
.pcat__list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:var(--fs-sm);font-weight:500;color:var(--navy);transition:color var(--d-fast)}
.pcat__list a .i{width:16px;height:16px;color:var(--muted);transition:transform var(--d-ui) var(--ease-out),color var(--d-fast)}
.pcat__list a:hover{color:var(--blue)}
.pcat__list a:hover .i{color:var(--blue);transform:translateX(-4px)}
.pcat .text-link{margin-top:auto;padding-top:12px;align-self:flex-start}
.products-home__all{display:flex;justify-content:flex-start;margin-top:28px}

/* ---------- Article ---------- */
.read-progress{position:fixed;top:0;inset-inline:0;height:3px;z-index:80;background:transparent;pointer-events:none}
.read-progress span{display:block;height:100%;background:linear-gradient(to left,var(--blue),var(--blue-bright));transform:scaleX(0);transform-origin:right}

.article-head{padding-bottom:clamp(28px,3vw,40px)}
.article-head .tag{margin-top:var(--s-5)}
.article-head .page-lead{font-size:var(--fs-lead);color:var(--muted);max-width:62ch;margin-top:var(--s-4);line-height:1.85}
.meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:var(--s-5);font-size:var(--fs-sm);color:var(--muted)}
.meta li{display:inline-flex;align-items:center;gap:8px}
.meta .i{width:17px;height:17px;color:var(--blue)}
.meta b{color:var(--navy);font-weight:500}

.article-cover{margin-top:clamp(28px,3vw,44px)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(32px,5vw,72px);align-items:start;padding-block:clamp(40px,5vw,72px)}
.prose{max-width:70ch}
.prose>section{padding-top:8px}
.prose>section+section{margin-top:clamp(36px,4vw,52px)}
.prose h2{font-size:clamp(1.35rem,1.15rem + .8vw,1.75rem);color:var(--navy);display:flex;align-items:center;gap:12px;margin-bottom:14px;scroll-margin-top:calc(var(--header-h-compact) + 24px)}
.prose h2::before{content:"";width:16px;height:19px;flex:none;background:var(--l-tick) no-repeat center/contain}
.prose p{color:#2E4058;line-height:1.95;font-size:1.0625rem}
.prose p+p{margin-top:14px}
.callout{margin-top:18px;padding:18px 20px;border-inline-start:3px solid var(--blue);background:var(--blue-50);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--navy);font-weight:500;line-height:1.85}

.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:6px}
.feature{padding:18px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);transition:border-color var(--d-fast)}
.feature:hover{border-color:var(--line-strong)}
.feature .i{width:22px;height:22px;color:var(--blue);margin-bottom:10px}
.feature h3{font-size:1rem;color:var(--navy)}
.feature p{font-size:var(--fs-sm)!important;color:var(--muted)!important;line-height:1.75!important;margin-top:4px}

.flow{display:grid;gap:0;margin-top:6px;counter-reset:fl}
.flow li{counter-increment:fl;position:relative;display:grid;grid-template-columns:40px 1fr;gap:14px;padding-bottom:18px}
.flow li::before{content:counter(fl);width:40px;height:40px;display:grid;place-items:center;border:1.5px solid var(--blue);border-radius:50%;background:var(--white);color:var(--blue);font-weight:600;font-size:var(--fs-sm);position:relative;z-index:1}
.flow li::after{content:"";position:absolute;inset-inline-start:19px;top:40px;bottom:0;width:1.5px;background:var(--line-strong)}
.flow li:last-child::after{display:none}
.flow b{display:block;color:var(--navy);font-weight:600;padding-top:7px}
.flow span{display:block;font-size:var(--fs-sm);color:var(--muted);line-height:1.7}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chips li{font-size:var(--fs-sm);font-weight:500;color:var(--navy);padding:8px 14px;border:1px solid var(--line);border-radius:4px;background:var(--white)}
.chips--tech li{background:var(--navy);border-color:var(--navy);color:var(--on-navy)}
.checks{display:grid;gap:10px;margin-top:6px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--navy)}
.checks .i{width:20px;height:20px;color:var(--blue);margin-top:5px}

.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:clamp(40px,4vw,56px);padding-top:22px;border-top:1px solid var(--line);font-size:var(--fs-sm);color:var(--muted)}
.share__btn{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding-inline:14px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--navy);font-weight:500;background:var(--white);transition:border-color var(--d-fast),color var(--d-fast)}
.share__btn .i{width:17px;height:17px}
.share__btn:hover{border-color:var(--blue);color:var(--blue)}
.share__status{color:var(--success);font-weight:500}

/* Aside */
.aside{position:sticky;top:calc(var(--header-h-compact) + 24px);display:grid;gap:16px}
.toc,.info-card{border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);padding:20px}
.aside__h{font-size:var(--fs-sm);font-weight:600;color:var(--muted);margin-bottom:10px}
.toc ol{display:grid;gap:2px}
.toc a{display:block;padding:7px 12px;border-inline-start:2px solid var(--line);font-size:var(--fs-sm);color:var(--muted);transition:color var(--d-fast),border-color var(--d-fast),background-color var(--d-fast)}
.toc a:hover{color:var(--navy)}
.toc a.is-active{color:var(--blue);border-color:var(--blue);background:var(--blue-50);font-weight:500}
.info-card dl{display:grid;gap:12px}
.info-card dt{font-size:var(--fs-xs);color:var(--muted)}
.info-card dd{font-weight:500;color:var(--navy);font-size:var(--fs-sm)}
.aside-cta{position:relative;overflow:hidden;background:var(--navy);color:var(--on-navy);border-radius:var(--r-md);padding:22px}
.aside-cta::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(var(--lean-grad),transparent 0 30px,rgba(22,139,255,.1) 30px 31px);pointer-events:none}
.aside-cta h2{position:relative;font-size:1.1rem;color:var(--white)}
.aside-cta p{position:relative;font-size:var(--fs-sm);color:var(--on-navy-muted);margin-block:6px 16px}
.aside-cta .btn{width:100%}

/* Related + prev/next */
.related{padding-block:clamp(48px,5vw,80px);background:var(--blue-50);border-top:1px solid var(--line)}
.related__head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px}
.related__head h2{font-size:clamp(1.35rem,1.15rem + .8vw,1.8rem);color:var(--navy)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.pager a{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);transition:border-color var(--d-fast)}
.pager a:hover{border-color:var(--blue)}
.pager small{color:var(--muted);font-size:var(--fs-xs)}
.pager b{color:var(--navy);font-weight:600;font-size:var(--fs-sm)}
.pager a:last-child{text-align:left}
.cta-wrap{padding-block:clamp(48px,5vw,80px)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .posts,.products-home__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{grid-template-columns:1fr}
  .aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .toc{display:none}
  .cat-group__head p{display:none}
}
@media (max-width:640px){
  .posts,.products-home__grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .aside{grid-template-columns:1fr}
  .cover--wide{aspect-ratio:16/10}
  .cover--wide .cover__icon{width:60px;height:60px;bottom:26px;inset-inline-start:22px}
  .cover__kpis{inset-inline-start:22px;inset-block-start:22px;max-width:90%}
  .cta-band{grid-template-columns:1fr}
  .cta-band__actions .btn{flex:1}
  .filters{flex-wrap:nowrap;overflow-x:auto;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);scrollbar-width:none}
  .filters::-webkit-scrollbar{display:none}
  .filter{flex:none}
  .pager{grid-template-columns:1fr}
  .pager a:last-child{text-align:right}
}
@media (prefers-reduced-motion:reduce){
  .read-progress{display:none}
}
.pcat__body .card-desc{color:var(--muted);font-size:var(--fs-sm);line-height:1.8}