/* =========================================================================
   PhoneLinkQRC CMS — app.css
   Self-hosted, Tailwind-inspired utility + component styles. No build step.
   Light + dark themes (system default + manual toggle).
   ========================================================================= */

:root{
  --indigo:#4f46e5; --indigo-d:#4338ca; --sky:#0ea5e9; --sky-d:#0284c7;
  --grad:linear-gradient(135deg,#4f46e5 0%,#0ea5e9 100%);
  --grad-soft:linear-gradient(135deg,#eef2ff 0%,#e0f2fe 100%);
  --ink:#0f172a; --body:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#ffffff; --bg-alt:#f8fafc; --card:#ffffff;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626; --star:#f59e0b;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.08);
  --shadow:0 4px 6px -1px rgba(15,23,42,.08),0 2px 4px -2px rgba(15,23,42,.06);
  --shadow-lg:0 20px 25px -5px rgba(15,23,42,.12),0 8px 10px -6px rgba(15,23,42,.06);
  --radius:16px; --radius-sm:10px; --radius-lg:24px;
  --container:1180px; --header-h:68px;
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#f1f5f9; --body:#cbd5e1; --muted:#94a3b8; --line:#1e293b;
    --bg:#0b1220; --bg-alt:#0f172a; --card:#111a2e; --grad-soft:linear-gradient(135deg,#141e35,#0f2231);
    --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 4px 12px rgba(0,0,0,.4); --shadow-lg:0 20px 40px rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ink:#f1f5f9; --body:#cbd5e1; --muted:#94a3b8; --line:#1e293b;
  --bg:#0b1220; --bg-alt:#0f172a; --card:#111a2e; --grad-soft:linear-gradient(135deg,#141e35,#0f2231);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 4px 12px rgba(0,0,0,.4); --shadow-lg:0 20px 40px rgba(0,0,0,.5);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --ink:#0f172a; --body:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#fff; --bg-alt:#f8fafc; --card:#fff; --grad-soft:linear-gradient(135deg,#eef2ff,#e0f2fe);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.65;font-size:17px;overflow-x:hidden;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:.2em 0 .4em}
h1{font-size:clamp(1.9rem,4vw,3rem)} h2{font-size:clamp(1.4rem,2.6vw,2rem)} h3{font-size:1.2rem}
a{color:var(--indigo);text-decoration:none;transition:color .2s} a:hover{color:var(--sky-d)}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 1rem}
[id]{scroll-margin-top:calc(var(--header-h) + 20px)}
::selection{background:var(--indigo);color:#fff}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important}}

/* ---- Utilities ---- */
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:820px;margin:0 auto}
.grid{display:grid;gap:1.5rem}
.cols-2{grid-template-columns:repeat(2,1fr)} .cols-3{grid-template-columns:repeat(3,1fr)} .cols-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex} .items-center{align-items:center} .justify-between{justify-content:space-between} .gap{gap:1rem} .wrap{flex-wrap:wrap}
.text-center{text-align:center} .muted{color:var(--muted)} .mt{margin-top:1rem} .mb{margin-bottom:1rem}
.skip-link{position:absolute;left:-999px;top:0;background:var(--indigo);color:#fff;padding:10px 16px;z-index:1000}
.skip-link:focus{left:0}
.hidden{display:none}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;justify-content:center;background:var(--grad);color:#fff;border:none;padding:.72em 1.4em;border-radius:999px;font-weight:700;font-size:1rem;cursor:pointer;transition:transform .18s,box-shadow .18s;box-shadow:var(--shadow);font-family:inherit;text-align:center}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-lg{padding:.9em 1.8em;font-size:1.05rem} .btn-sm{padding:.5em 1em;font-size:.9rem}
.btn-block{display:flex;width:100%}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.6);color:#fff;box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--indigo);color:var(--indigo);box-shadow:none}
.btn-outline:hover{background:var(--indigo);color:#fff}
.btn-invert{background:#fff;color:var(--indigo)} .btn-invert:hover{color:var(--indigo-d)}

/* ---- Header / Nav ---- */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--ink)}
.brand-logo{font-size:1.6rem;filter:drop-shadow(0 2px 4px rgba(79,70,229,.35))}
.brand-text{display:flex;flex-direction:column;line-height:1.05;font-size:1.15rem}
.brand-text small{font-size:.62rem;font-weight:600;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:1rem}
.site-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:.2rem}
.site-nav ul a{color:var(--body);font-weight:600;padding:.5rem .8rem;border-radius:8px;font-size:.95rem}
.site-nav ul a:hover,.site-nav ul a.active{color:var(--indigo);background:var(--grad-soft)}
.nav-tools{display:flex;align-items:center;gap:.5rem}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--bg-alt);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.icon-btn:hover{border-color:var(--indigo);color:var(--indigo)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:var(--ink);border-radius:3px;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:200;transition:width .1s}

/* ---- Hero ---- */
.hero{position:relative;color:#fff;overflow:hidden;padding:clamp(3rem,7vw,6rem) 0 clamp(4rem,8vw,7rem)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(67,56,202,.94),rgba(2,132,199,.86))}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);padding:.4rem 1rem;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:1.2rem}
.hero h1{color:#fff;font-size:clamp(2rem,5vw,3.4rem);text-shadow:0 2px 20px rgba(0,0,0,.15)}
.hero p{font-size:clamp(1.05rem,2vw,1.25rem);color:rgba(255,255,255,.92)}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.hero-stats{display:flex;gap:2.5rem;margin-top:2.6rem;flex-wrap:wrap}
.hero-stats strong{display:block;font-size:2rem;font-weight:800}
.hero-stats span{font-size:.9rem;color:rgba(255,255,255,.82)}
.hero-wave{position:absolute;bottom:-1px;left:0;width:100%;line-height:0;z-index:2}
.hero-wave svg{width:100%;height:70px} .hero-wave path{fill:var(--bg)}

/* ---- Sections ---- */
.section{padding:clamp(2.5rem,5vw,4.5rem) 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.8rem;flex-wrap:wrap}
.section-title{margin:0;font-size:clamp(1.5rem,3vw,2.1rem)}
.section-link{font-weight:700;white-space:nowrap}
.page-hero{background:var(--grad-soft);padding:2.4rem 0 2rem;border-bottom:1px solid var(--line)}
.page-hero h1{margin:.3rem 0 .4rem} .page-hero p{color:var(--body);max-width:720px;margin:0}

/* ---- Quick tiles ---- */
.quick-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:-2.5rem auto 0;position:relative;z-index:5}
.quick-tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.25rem;transition:transform .2s,box-shadow .2s}
.quick-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.quick-tile .qt-ico{font-size:1.7rem} .quick-tile strong{color:var(--ink)} .quick-tile span:last-child{font-size:.85rem;color:var(--muted)}

/* ---- Cards ---- */
.card-grid{display:grid;gap:1.5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.06)}
.card-tag{position:absolute;top:12px;left:12px;background:rgba(15,23,42,.72);color:#fff;font-size:.72rem;font-weight:700;padding:.3rem .7rem;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}
.card-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.card-title{margin:0;font-size:1.12rem;line-height:1.3} .card-title a{color:var(--ink)} .card-title a:hover{color:var(--indigo)}
.card-excerpt{color:var(--muted);font-size:.92rem;margin:0;flex:1}
.card-meta{display:flex;gap:1rem;font-size:.8rem;color:var(--muted);margin-top:.4rem}
.product-foot{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin-top:.5rem}
.price{font-weight:800;color:var(--ink);font-size:1.2rem} .stars{color:var(--star);font-weight:700;font-size:.9rem}

/* ---- Steps ---- */
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.3rem;box-shadow:var(--shadow-sm)}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:.8rem}
.step-card h3{margin:.2rem 0 .4rem;font-size:1.05rem} .step-card p{font-size:.9rem;color:var(--muted);margin:0}

/* ---- Breadcrumbs ---- */
.breadcrumbs{margin:0 0 1rem;font-size:.85rem}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0;color:var(--muted)}
.breadcrumbs li:not(:last-child)::after{content:'›';margin-left:.4rem}
.breadcrumbs a{color:var(--muted);font-weight:600} .breadcrumbs a:hover{color:var(--indigo)}
.breadcrumbs li[aria-current]{color:var(--ink);font-weight:600}

/* ---- Article ---- */
.eyebrow{display:inline-block;color:var(--indigo);font-weight:800;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
.article-lead{font-size:1.18rem;color:var(--body)}
.article-byline{display:flex;align-items:center;gap:.8rem;margin-top:1.2rem}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.avatar-lg{width:60px;height:60px;font-size:1.4rem}
.article-byline strong{display:block;color:var(--ink);font-size:.95rem} .article-byline span{font-size:.82rem;color:var(--muted)}
.article-hero{margin:1.8rem 0 0}
.article-hero img{width:100%;max-height:460px;object-fit:cover}
.article-hero figcaption{font-size:.75rem;color:var(--muted);text-align:right;padding:.4rem 20px 0;max-width:var(--container);margin:0 auto}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:2.5rem;padding-top:2.5rem;align-items:start}
.article-main{min-width:0}
.takeaways{background:var(--grad-soft);border:1px solid var(--line);border-left:5px solid var(--indigo);border-radius:var(--radius);padding:1.3rem 1.5rem;margin:0 0 2rem}
.takeaways h2{font-size:1.1rem;margin:0 0 .6rem} .takeaways ul{margin:0;padding-left:1.2rem} .takeaways li{margin:.35rem 0}

/* Prose */
.prose{font-size:1.06rem;color:var(--body)}
.prose h2{margin:2.2rem 0 .8rem} .prose h3{margin:1.6rem 0 .5rem}
.prose p{margin:0 0 1.1rem} .prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.4rem} .prose li{margin:.5rem 0}
.prose strong{color:var(--ink)}
.prose a{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.prose blockquote{margin:1.6rem 0;padding:1.1rem 1.4rem;background:var(--bg-alt);border-left:4px solid var(--sky);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic}
.prose blockquote p:last-child{margin:0}
.prose table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.95rem;display:block;overflow-x:auto}
.prose thead{background:var(--grad);color:#fff} .prose th,.prose td{padding:.8rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
.prose tbody tr:nth-child(even){background:var(--bg-alt)}
.prose img{border-radius:var(--radius-sm);margin:1.4rem 0}
.callout{padding:1.1rem 1.4rem;border-radius:var(--radius-sm);margin:1.4rem 0;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}

/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:1.5rem;position:sticky;top:calc(var(--header-h) + 16px)}
.toc-sticky,.sidebar-cta,.sidebar-related{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem}
.toc-title,.sidebar-title{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 .7rem}
.toc-sticky ol{list-style:none;padding:0;margin:0}
.toc-sticky a{display:block;padding:.35rem .6rem .35rem .8rem;color:var(--body);font-size:.92rem;border-left:2px solid transparent}
.toc-sticky a:hover,.toc-sticky a.active{color:var(--indigo);border-left-color:var(--indigo);background:var(--grad-soft)}
.toc-mobile{display:none;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.8rem 1.1rem;margin-bottom:1.6rem}
.toc-mobile summary{font-weight:700;cursor:pointer;color:var(--ink)}
.sidebar-related ul{list-style:none;padding:0;margin:0} .sidebar-related li{padding:.5rem 0;border-bottom:1px solid var(--line);font-size:.93rem;font-weight:600} .sidebar-related li:last-child{border:none}
.sidebar-cta p{font-size:.9rem;color:var(--muted)}
.author-box{display:flex;gap:1.2rem;align-items:flex-start;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;margin:2.5rem 0}
.author-box p{font-size:.9rem;color:var(--muted);margin:.3rem 0 0}
.related-strip{background:var(--bg-alt);padding:clamp(2.5rem,5vw,4rem) 0;border-top:1px solid var(--line)}

/* FAQ */
.faq-accordion{display:flex;flex-direction:column;gap:.7rem}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;padding:1.05rem 1.3rem;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.5rem;font-weight:400;color:var(--indigo);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 1.3rem 1.2rem;color:var(--body)} .faq-answer p:last-child{margin:0}
.faq-jump{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.faq-jump a{background:var(--bg-alt);border:1px solid var(--line);padding:.45rem 1rem;border-radius:999px;font-size:.88rem;font-weight:600}
.faq-cat{margin-bottom:2.5rem} .faq-cat h2{margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--line)}

/* Feedback widget */
.feedback-widget{text-align:center;background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;margin:2.5rem 0}
.fw-q{font-weight:800;font-size:1.15rem;color:var(--ink);margin:0 0 1rem}
.fw-actions{display:flex;gap:1rem;justify-content:center}
.fw-btn{background:var(--card);border:2px solid var(--line);padding:.6rem 1.6rem;border-radius:999px;font-weight:700;cursor:pointer;font-size:1rem;color:var(--ink);font-family:inherit}
.fw-btn:hover{border-color:var(--indigo);transform:translateY(-2px)}
.fw-btn.chosen{background:var(--grad);color:#fff;border-color:transparent} .fw-thanks{font-weight:700;color:var(--ok);margin:.5rem 0 0}

/* Comments / reviews / forms */
.comments{margin:3rem 0 0;border-top:1px solid var(--line);padding-top:2rem}
.comment-list{list-style:none;padding:0;margin:0 0 2rem}
.comment{display:flex;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.comment.reply{margin-left:3rem}
.comment-avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.comment-head{display:flex;gap:.8rem;align-items:center;margin-bottom:.3rem} .comment-head strong{color:var(--ink)} .comment-head time{font-size:.8rem;color:var(--muted)}
.comment-reply-box{margin-top:.7rem;padding:.8rem 1rem;background:var(--grad-soft);border-radius:var(--radius-sm);font-size:.93rem}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}
.form-note{font-size:.88rem;color:var(--muted);margin:0 0 1.2rem}
label.field{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin-bottom:1rem}
input,textarea,select{font-family:inherit}
.field input,.field textarea,.field select,.input{width:100%;margin-top:.35rem;padding:.7rem .9rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-size:1rem;background:var(--bg);color:var(--ink)}
.field input:focus,.field textarea:focus,.input:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-error{color:var(--danger);font-size:.82rem;margin-top:.2rem}
.rating-input{display:inline-flex;flex-direction:row-reverse;gap:.2rem}
.rating-input input{display:none}
.rating-input label{font-size:1.6rem;color:var(--line);cursor:pointer}
.rating-input input:checked ~ label,.rating-input label:hover,.rating-input label:hover ~ label{color:var(--star)}

/* Locations */
.loc-chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.7rem}
.loc-chip{display:flex;justify-content:space-between;align-items:center;gap:.5rem;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.7rem 1rem;font-weight:600;font-size:.92rem;color:var(--ink)}
.loc-chip:hover{border-color:var(--indigo);transform:translateY(-3px);box-shadow:var(--shadow);color:var(--indigo)}
.lc-type{font-size:.72rem;color:var(--muted)}
.region-block{margin-bottom:2.4rem}
.region-title{display:flex;align-items:center;gap:.6rem;font-size:1.25rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--line)}
.region-count{background:var(--grad);color:#fff;font-size:.75rem;padding:.15rem .6rem;border-radius:999px}
.loc-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:1.5rem 0}
.loc-fact{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem}
.loc-fact .lf-label{font-size:.75rem;text-transform:uppercase;color:var(--muted);letter-spacing:.04em} .loc-fact .lf-val{font-weight:800;color:var(--ink);font-size:1.1rem}
.map-embed{border:0;width:100%;height:320px;border-radius:var(--radius);margin:1.5rem 0}

/* CTA strip */
.cta-strip{background:var(--grad);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:2.8rem 20px;flex-wrap:wrap}
.cta-strip h2{color:#fff;margin:0 0 .3rem} .cta-strip p{color:rgba(255,255,255,.9);margin:0}

/* Chips / pagination */
.filter-bar{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.8rem}
.chip{background:var(--bg-alt);border:1px solid var(--line);padding:.45rem 1rem;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--body)}
.chip:hover{border-color:var(--indigo);color:var(--indigo)} .chip-active{background:var(--grad);color:#fff;border-color:transparent} .chip-active:hover{color:#fff}
.pagination{display:flex;gap:.4rem;justify-content:center;align-items:center;margin-top:2.5rem;flex-wrap:wrap}
.pg-num,.pg-btn{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 .8rem;border-radius:10px;border:1px solid var(--line);background:var(--card);font-weight:700;color:var(--body)}
.pg-num:hover,.pg-btn:hover{border-color:var(--indigo);color:var(--indigo)} .pg-active{background:var(--grad);color:#fff;border-color:transparent} .pg-active:hover{color:#fff}

/* Products */
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;padding-top:1.5rem;align-items:start}
.product-gallery img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%}
.product-rating{color:var(--star);font-weight:700;margin:.5rem 0} .product-rating span{color:var(--muted);font-weight:400;font-size:.85rem;margin-left:.5rem}
.price-big{font-size:2.2rem;font-weight:800;color:var(--ink)}
.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem}
.pros,.cons{background:var(--bg-alt);border-radius:var(--radius-sm);padding:1rem 1.2rem}
.pros h3,.cons h3{font-size:.95rem;margin:0 0 .5rem} .pros ul,.cons ul{margin:0;padding-left:1.1rem;font-size:.9rem}

/* Search */
.search-big{display:flex;gap:.7rem;margin-top:1rem;max-width:640px}
.search-big input{flex:1;padding:.9rem 1.2rem;border:1.5px solid var(--line);border-radius:999px;font-size:1.05rem;background:var(--bg);color:var(--ink)}
.search-results{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.8rem}
.search-results a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.1rem 1.3rem}
.search-results a:hover{border-color:var(--indigo);box-shadow:var(--shadow)}
.res-type{font-size:.7rem;font-weight:800;text-transform:uppercase;color:var(--indigo)}
.search-results strong{display:block;color:var(--ink);margin:.2rem 0} .res-ex{font-size:.88rem;color:var(--muted)}
.empty-state{text-align:center;color:var(--muted);padding:3rem 1rem}

/* Ads */
.ad-unit{margin:1.5rem 0;text-align:center;min-height:60px}
.house-ad{display:flex;gap:1rem;align-items:center;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;text-align:left}
.house-ad:hover{border-color:var(--indigo);box-shadow:var(--shadow)}
.house-ad img{width:90px;height:90px;object-fit:cover;border-radius:var(--radius-sm);flex-shrink:0}
.ad-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
.house-ad strong{color:var(--ink)}

/* Auth */
.auth-wrap{min-height:calc(100vh - var(--header-h));display:flex;align-items:center;justify-content:center;padding:2rem}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:min(440px,100%);padding:2.2rem}
.auth-card h1{font-size:1.5rem;text-align:center}
.auth-alt{text-align:center;margin-top:1.2rem;font-size:.9rem;color:var(--muted)}

/* Footer */
.site-footer{background:#0b1220;color:#cbd5e1;margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:2rem;padding:3.5rem 20px 2.5rem}
.footer-col h3{color:#fff;font-size:1rem;margin:0 0 1rem}
.footer-about p{font-size:.9rem;color:#94a3b8;margin:1rem 0}
.footer-links{list-style:none;padding:0;margin:0} .footer-links li{margin:.5rem 0} .footer-links a{color:#cbd5e1;font-size:.9rem} .footer-links a:hover{color:#fff}
.social-row{display:flex;gap:.6rem;margin-top:1rem}
.social-ico{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.social-ico:hover{background:var(--grad);color:#fff}
.contact-list{list-style:none;padding:0;margin:0} .contact-list li{display:flex;gap:.6rem;align-items:center;margin:.6rem 0;font-size:.9rem} .contact-list a{color:#cbd5e1} .contact-list a:hover{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:1.4rem 0}
.footer-bar-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:#94a3b8}
.legal-links{display:flex;gap:1.2rem;flex-wrap:wrap} .legal-links a{color:#94a3b8} .legal-links a:hover{color:#fff}
.disclaimer-note{font-size:.75rem;color:#64748b;margin:1rem 0 0}

/* Misc */
.back-to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;border:none;font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(20px);transition:.3s;z-index:90}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.flash{padding:.9rem 1.2rem;border-radius:var(--radius-sm);margin:1rem 0;font-weight:600}
.flash-info{background:#dbeafe;color:#1e40af} .flash-success{background:#dcfce7;color:#166534} .flash-error{background:#fee2e2;color:#991b1b} .flash-warn{background:#fef3c7;color:#92400e}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease} .reveal.in{opacity:1;transform:none}
.badge{display:inline-block;background:var(--grad-soft);color:var(--indigo);font-size:.72rem;font-weight:700;padding:.2rem .7rem;border-radius:999px}
.error-page{text-align:center;padding:5rem 1rem} .error-page .code{font-size:5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Responsive */
@media(max-width:980px){
  .article-grid{grid-template-columns:1fr} .article-sidebar{position:static;order:2} .toc-sticky{display:none} .toc-mobile{display:block}
  .cols-4{grid-template-columns:repeat(2,1fr)} .steps-row{grid-template-columns:repeat(2,1fr)} .product-top{grid-template-columns:1fr}
}
@media(max-width:820px){
  .nav-toggle{display:flex}
  .site-nav{position:fixed;inset:var(--header-h) 0 auto 0;background:var(--bg);flex-direction:column;align-items:stretch;padding:1rem 20px 1.5rem;gap:1rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);transform:translateY(-120%);transition:transform .3s;max-height:calc(100vh - var(--header-h));overflow:auto}
  .site-nav.open{transform:translateY(0)} .site-nav ul{flex-direction:column} .site-nav ul a{padding:.7rem .8rem;font-size:1.05rem}
  .quick-tiles{grid-template-columns:repeat(2,1fr)} .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr} .field-row{grid-template-columns:1fr} .cta-inner{flex-direction:column;text-align:center} .pros-cons{grid-template-columns:1fr}
}
@media(max-width:520px){ .quick-tiles,.steps-row{grid-template-columns:1fr} .footer-grid{grid-template-columns:1fr} .hero-stats{gap:1.5rem} }