/* ==========================================================
   Hackstore — main stylesheet
   Light theme · Poppins · 1140px container
   ========================================================== */
@font-face{font-family:"Poppins";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/poppins-400.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/poppins-500.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/poppins-700.woff2") format("woff2")}

:root{
  --navy:#142c74;
  --blue:#1f5fd6;
  --blue-soft:#e8f0ff;
  --orange:#f2701c;
  --orange-dark:#d95d0e;
  --orange-soft:#fff1e6;
  --ink:#1c2541;
  --text:#4a5370;
  --muted:#6b7490;
  --line:#e3e8f4;
  --bg:#f7f9fe;
  --white:#ffffff;
  --green:#16a34a;
  --red:#dc2626;
  --shadow-sm:0 4px 14px rgba(20,44,116,.07);
  --shadow:0 14px 40px rgba(20,44,116,.10);
  --shadow-lg:0 24px 60px rgba(20,44,116,.14);
  --wrap:1140px;
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Poppins",Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--orange-dark)}
h1,h2,h3,h4{font-family:"Poppins",Arial,sans-serif;color:var(--navy);line-height:1.25;margin:0 0 .6em;font-weight:700}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:12px;color:#fff}
svg{flex-shrink:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:500;font-size:15.5px;padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,#f58a35,var(--orange) 55%,var(--orange-dark));color:#fff;box-shadow:0 10px 24px rgba(242,112,28,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,112,28,.4)}
.btn-ghost{background:#fff;color:var(--navy);border-color:#c9d6f3}
.btn-ghost:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px)}
.btn-lg{padding:16px 32px;font-size:16.5px}

/* ---------- Header ---------- */
#site-header{position:sticky;top:0;z-index:100;padding:12px 0;transition:padding .25s ease}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:18px;height:62px;padding:0 10px 0 18px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(201,214,243,.7);border-radius:20px;box-shadow:var(--shadow-sm);transition:box-shadow .25s ease}
#site-header.scrolled .hdr{box-shadow:0 12px 34px rgba(20,44,116,.13)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px;color:var(--navy);letter-spacing:-.3px}
.brand img{width:40px;height:40px;border-radius:11px;box-shadow:0 6px 14px rgba(31,95,214,.25)}
.brand:hover{color:var(--navy)}
.nav{flex:1;display:flex;justify-content:center}
.nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:5px;background:var(--blue-soft);border-radius:14px}
.nav a{display:block;padding:8px 16px;border-radius:10px;font-size:14.5px;font-weight:500;color:var(--navy);transition:background .2s ease,color .2s ease}
.nav a:hover{background:#fff;color:var(--orange-dark)}
.nav a.active{background:#fff;color:var(--orange-dark);box-shadow:0 3px 10px rgba(20,44,116,.08)}
.hdr-cta{padding:11px 22px;font-size:14.5px}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--navy);align-items:center;justify-content:center;cursor:pointer}
.menu-btn svg{width:22px;height:22px}

/* ---------- Sections (shared) ---------- */
.sec{padding:84px 0;scroll-margin-top:90px}
.sh{max-width:780px;margin:0 auto 46px;text-align:center}
.sh h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px}
.sh p{font-size:16.5px;color:var(--muted);margin:0}
.sh .bar{display:block;width:64px;height:4px;border-radius:4px;margin:0 auto 18px;background:linear-gradient(90deg,var(--orange),#ffb27a)}
.js-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.js-ready .reveal.in{opacity:1;transform:none}

/* ---------- 1. Hero ---------- */
.hero{padding:42px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;color:var(--orange-dark);background:var(--orange-soft);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero-badge svg{width:16px;height:16px}
.hero h1{font-size:clamp(32px,4.4vw,50px);letter-spacing:-.8px;margin-bottom:18px}
.hero h1 span{background:linear-gradient(90deg,var(--orange),#f59a4a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:17px;max-width:540px;margin-bottom:28px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-checks{display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:0;list-style:none;font-size:14px;color:var(--ink)}
.hero-checks li{display:flex;align-items:center;gap:7px}
.hero-checks svg{width:18px;height:18px;color:var(--orange)}
.hero-art{position:relative;padding:18px}
.hero-art::before{content:"";position:absolute;inset:8% 4% 2% 10%;background:radial-gradient(circle at 70% 30%,#ffd7b8,transparent 60%),radial-gradient(circle at 25% 75%,#cfe0ff,transparent 60%);filter:blur(24px);z-index:0}
.hero-art img{position:relative;z-index:1;width:100%;border-radius:22px}
.hero-chip{position:absolute;z-index:2;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);padding:10px 14px;border-radius:14px;font-size:13.5px;font-weight:500;color:var(--navy);box-shadow:var(--shadow)}
.hero-chip span{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--orange-soft);color:var(--orange)}
.hero-chip svg{width:18px;height:18px}
.hero-chip.c1{top:2%;right:-2%}
.hero-chip.c2{bottom:4%;left:-4%}
.hero-chip.c2 span{background:var(--blue-soft);color:var(--blue)}

/* ---------- 2. What Is ---------- */
.about-media{position:relative;margin-bottom:38px}
.about-media::after{content:"";position:absolute;left:4%;right:4%;bottom:-14px;height:60%;border-radius:26px;background:var(--orange-soft);z-index:0}
.about-media img{position:relative;z-index:1;border-radius:26px;box-shadow:var(--shadow);width:100%}
.about-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:start}
.about-text p{font-size:16px}
.about-text p:last-child{margin:0}
.glance{display:flex;flex-direction:column;gap:0;border-left:3px solid var(--orange);padding-left:26px}
.glance div{display:grid;grid-template-columns:40px 1fr;column-gap:12px;padding:10px 0;border-top:1px dashed var(--line)}
.glance div:first-child{border-top:0;padding-top:0}
.glance svg{grid-row:span 2;width:26px;height:26px;color:var(--blue);margin-top:4px}
.glance strong{color:var(--navy);font-size:15.5px;font-weight:700}
.glance span{font-size:14px;color:var(--muted)}

/* ---------- 3. How It Works ---------- */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative}
.flow::before{content:"";position:absolute;top:38px;left:12%;right:12%;border-top:2px dashed #c3d3f5;z-index:0}
.flow li{position:relative;text-align:center;padding:0 6px}
.flow-ico{position:relative;z-index:1;width:78px;height:78px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--blue-soft);box-shadow:var(--shadow-sm);color:var(--blue);transition:transform .25s ease,border-color .25s ease}
.flow li:nth-child(even) .flow-ico{color:var(--orange)}
.flow-ico svg{width:32px;height:32px}
.flow-ico b{position:absolute;top:-4px;right:-4px;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;font-size:12.5px;display:grid;place-items:center}
.flow li:hover .flow-ico{transform:translateY(-4px);border-color:var(--orange)}
.flow h3{font-size:18px;margin-bottom:8px}
.flow p{font-size:14.5px;margin:0;color:var(--muted)}

/* ---------- 4. Features ---------- */
.feat-grid{display:grid;grid-template-columns:330px 1fr;gap:40px;align-items:stretch}
.feat-intro{position:relative;border-radius:26px;padding:34px 30px;background:linear-gradient(160deg,#eaf1ff 0%,#f6f9ff 55%,#fff2e7 100%);border:1px solid #d9e4fb;overflow:hidden}
.feat-intro h3{font-size:24px}
.feat-intro p{font-size:15px}
.feat-intro ul{list-style:none;padding:0;margin:20px 0 0}
.feat-intro li{display:flex;gap:10px;align-items:center;font-size:14.5px;color:var(--ink);padding:7px 0}
.feat-intro li svg{width:18px;height:18px;color:var(--orange)}
.feat-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.feat{display:flex;gap:16px;padding:24px 20px;border-bottom:1px solid var(--line);border-radius:16px;transition:background .25s ease,transform .25s ease}
.feat:nth-child(odd){border-right:1px solid var(--line);border-radius:0}
.feat:hover{background:#fff;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.feat-ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue);transition:transform .25s ease}
.feat:nth-child(3n+2) .feat-ico{background:var(--orange-soft);color:var(--orange)}
.feat:hover .feat-ico{transform:rotate(-6deg)}
.feat-ico svg{width:24px;height:24px}
.feat h3{font-size:16.5px;margin-bottom:5px}
.feat p{font-size:14px;margin:0;color:var(--muted)}

/* ---------- 5. App Discovery ---------- */
.bento{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.tile{position:relative;border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.tile img{width:100%;height:auto;aspect-ratio:465/200;object-fit:cover;transition:transform .5s ease}
.tile:hover img{transform:scale(1.04)}
.tile-body{padding:16px 18px 18px}
.tile-body h3{display:flex;align-items:center;gap:8px;font-size:15.5px;margin-bottom:5px}
.tile-body h3 svg{width:22px;height:22px;color:var(--orange)}
.tile-body p{font-size:14px;margin:0;color:var(--muted)}
.bento-note{margin:22px auto 0;text-align:center;font-size:14px;color:var(--muted);max-width:720px}

/* ---------- 6. Download guide ---------- */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.dl-media img{border-radius:24px;box-shadow:var(--shadow-lg);width:100%}
.dl-box{margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:20px 22px;border-radius:20px;background:#fff;border:1px dashed #f3b98f}
.dl-box p{flex:1;min-width:200px;margin:0;font-size:14px}
.dl-box strong{color:var(--navy)}
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:23px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--orange),#ffd2b0)}
.timeline li{position:relative;display:flex;gap:20px;padding:0 0 24px}
.timeline li:last-child{padding-bottom:0}
.tl-num{position:relative;z-index:1;width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--orange);display:grid;place-items:center;color:var(--orange)}
.tl-num svg{width:22px;height:22px}
.timeline h3{font-size:17.5px;margin:4px 0 6px}
.timeline p{font-size:14.5px;margin:0}

/* ---------- 7. Security ---------- */
.safe-grid{display:grid;grid-template-columns:1fr 300px 1fr;gap:34px;align-items:center}
.safe-col{display:flex;flex-direction:column;gap:30px}
.safe-pt{display:flex;gap:14px}
.safe-col.left .safe-pt{flex-direction:row-reverse;text-align:right}
.safe-pt span{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#e9f8ef;color:var(--green);flex-shrink:0}
.safe-pt svg{width:22px;height:22px}
.safe-pt h3{font-size:16.5px;margin-bottom:4px}
.safe-pt p{font-size:14px;margin:0;color:var(--muted)}
.safe-center{position:relative;text-align:center}
.safe-center img{border-radius:50%;width:280px;height:280px;object-fit:cover;margin:0 auto;box-shadow:0 0 0 14px #fff,0 0 0 15px var(--line),var(--shadow)}

/* ---------- 8. Compare ---------- */
.cmp-grid{display:grid;grid-template-columns:360px 1fr;gap:40px;align-items:start}
.cmp-side img{border-radius:20px;box-shadow:var(--shadow);width:100%;margin-bottom:22px}
.cmp-side p{font-size:15px}
.verdict{list-style:none;margin:18px 0 0;padding:0}
.verdict li{position:relative;padding:12px 0 12px 18px;border-top:1px solid var(--line);font-size:14.5px}
.verdict li::before{content:"";position:absolute;left:0;top:21px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.verdict strong{color:var(--navy)}
.cmp-table-wrap{overflow-x:auto;border-radius:20px;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}
.cmp-table{width:100%;border-collapse:collapse;min-width:560px;font-size:14.5px}
.cmp-table th{background:var(--navy);color:#fff;text-align:left;padding:15px 18px;font-weight:600;font-weight:500}
.cmp-table th:nth-child(2){background:var(--orange)}
.cmp-table td{padding:14px 18px;border-top:1px solid var(--line);vertical-align:top}
.cmp-table td:first-child{font-weight:500;color:var(--navy);width:30%}
.cmp-table tr:nth-child(even) td{background:#f9fbff}

/* ---------- 9. Who ---------- */
.who-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center}
.who-media{position:relative;border-radius:30px;overflow:hidden;background:linear-gradient(180deg,#fff,#f3f6ff)}
.who-media img{width:100%}
.who-list{display:flex;flex-direction:column;gap:16px}
.who-item{display:flex;gap:18px;align-items:flex-start;padding:18px 22px;border-radius:18px;background:#fff;border-left:5px solid var(--blue);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.who-item:nth-child(2){margin-left:28px;border-left-color:var(--orange)}
.who-item:nth-child(3){margin-left:56px;border-left-color:#8b5cf6}
.who-item:nth-child(4){margin-left:28px;border-left-color:var(--green)}
.who-item:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.who-item svg{width:28px;height:28px;color:var(--navy);margin-top:3px}
.who-item h3{font-size:16.5px;margin-bottom:3px}
.who-item p{font-size:14px;margin:0;color:var(--muted)}

/* ---------- 10. Troubleshooting ---------- */
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}
.tab{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--navy);font-weight:500;font-size:14.5px;cursor:pointer;transition:all .2s ease}
.tab svg{width:18px;height:18px;color:var(--orange)}
.tab:hover{border-color:var(--orange)}
.tab[aria-selected="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.tab[aria-selected="true"] svg{color:#ffb27a}
.tab-stage{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:#fff;border-radius:26px;padding:34px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.panel h3{font-size:21px}
.panel ul{margin:12px 0 0;padding-left:20px}
.panel li{margin-bottom:6px;font-size:15px}
.panel[hidden]{display:none}
.tab-stage img{border-radius:20px;width:100%}

/* ---------- 11. FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.faq-cat{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:16px}
.faq-cat svg{width:24px;height:24px;color:var(--orange)}
.faq-item{border:1px solid var(--line);background:#fff;border-radius:14px;margin-bottom:10px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:#f6c39d;box-shadow:var(--shadow-sm)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;padding:15px 18px;background:none;border:0;font-size:15px;font-weight:500;color:var(--navy);cursor:pointer;line-height:1.45}
.faq-q svg{width:22px;height:22px;color:var(--orange);transition:transform .25s ease}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 18px 16px;margin:0;font-size:14.5px}

/* ---------- Footer ---------- */
#site-footer{background:#eef3fd;border-top:1px solid #dbe4f7;margin-top:20px}
.ftr{display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:40px;padding:56px 20px 36px}
.ftr p{font-size:14.5px;margin:14px 0 0}
.ftr h3{font-size:16px;margin-bottom:14px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:9px}
.ftr a{color:var(--text);text-decoration:none;font-size:14.5px;transition:color .2s ease}
.ftr a:hover{color:var(--orange-dark)}
.ftr-bottom{border-top:1px solid #dbe4f7;padding:18px 20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted)}
.ftr-bottom a{color:var(--navy);font-weight:500;text-decoration:none}

/* ---------- Scroll top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:0;background:var(--orange);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 24px rgba(242,112,28,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:20px;height:20px}

/* ---------- Inner pages ---------- */
.page-hero{padding:46px 0 34px;text-align:center}
.page-hero h1{font-size:clamp(28px,3.8vw,42px);margin-bottom:12px}
.page-hero p{max-width:720px;margin:0 auto;color:var(--muted);font-size:16.5px}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--blue)}
.crumbs span{margin:0 6px}
.prose{background:#fff;border:1px solid var(--line);border-radius:24px;padding:42px;box-shadow:var(--shadow-sm);margin-bottom:70px}
.prose h2{font-size:23px;margin-top:1.6em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18.5px;margin-top:1.3em}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}
.contact-line{display:inline-flex;align-items:center;gap:12px;font-weight:500;color:var(--navy);background:var(--blue-soft);padding:14px 22px;border-radius:14px;font-size:16px}
.contact-line svg{width:22px;height:22px;color:var(--orange)}

/* Blog list */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:76px}
.post-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.post-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.post-card div{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-card .tag{font-size:12.5px;font-weight:500;color:var(--orange-dark);margin-bottom:8px}
.post-card h2{font-size:18px;margin-bottom:10px}
.post-card h2 a{color:var(--navy)}
.post-card p{font-size:14.5px;color:var(--muted)}
.post-card .more{margin-top:auto;font-weight:500;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.post-card .more svg{width:16px;height:16px;transition:transform .2s ease}
.post-card:hover .more svg{transform:translateX(4px)}

/* Article */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;margin-bottom:76px}
.article{min-width:0;background:#fff;border:1px solid var(--line);border-radius:24px;padding:40px 44px;box-shadow:var(--shadow-sm)}
.article .feature-img{border-radius:18px;margin:0 0 28px;width:100%}
.article p{font-size:16.5px;line-height:1.8}
.article h2{font-size:25px;margin-top:1.7em}
.article h3{font-size:19px;margin-top:1.3em}
.article ul{padding-left:22px;margin:0 0 1.2em}
.article li{margin-bottom:7px;font-size:16px}
.article .tbl{overflow-x:auto;margin:0 0 1.4em;border-radius:14px;border:1px solid var(--line)}
.article table{width:100%;border-collapse:collapse;min-width:480px;font-size:15px}
.article th{background:var(--blue-soft);color:var(--navy);text-align:left;padding:12px 16px;font-weight:600;font-weight:500}
.article td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}
.article .meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--muted);margin:-6px 0 22px}
.art-faq{margin:0 0 1.2em}
.art-faq h3{font-size:17px;margin:1em 0 .4em}
.sidebar{position:sticky;top:96px;max-height:calc(100vh - 116px);overflow-y:auto;display:flex;flex-direction:column;gap:20px;padding-right:4px;scrollbar-width:thin}
.side-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px}
.side-box h2{font-size:17px;margin-bottom:14px}
.side-box ul{list-style:none;margin:0;padding:0}
.side-box li{border-top:1px solid var(--line)}
.side-box li:first-child{border-top:0}
.side-box li a{display:block;padding:10px 0;font-size:14px;color:var(--ink);line-height:1.45}
.side-box li a:hover{color:var(--orange-dark)}
.side-cta{background:linear-gradient(160deg,#eaf1ff,#fff2e7);border-color:#d9e4fb;text-align:center}
.side-cta img{width:64px;height:64px;border-radius:16px;margin:0 auto 12px}
.side-cta p{font-size:14px}
.related{margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.related h2{margin-top:0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-grid a{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;color:var(--navy);font-weight:500;font-size:14px;line-height:1.45;transition:transform .2s ease,box-shadow .2s ease}
.related-grid a:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.related-grid span{display:block;padding:12px 14px}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav a{padding:8px 11px;font-size:14px}
  .safe-grid{grid-template-columns:1fr 240px 1fr}
  .safe-center img{width:230px;height:230px}
}
@media (max-width:980px){
  .menu-btn{display:inline-flex}
  .nav{position:absolute;left:20px;right:20px;top:calc(100% + 4px);display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:10px}
  .nav a{padding:12px 14px;font-size:15px}
  .hdr{position:relative}
  .hdr-cta{margin-left:auto}
  .hero-grid,.about-grid,.dl-grid,.who-grid,.cmp-grid{grid-template-columns:1fr}
  .hero-art{max-width:620px;margin:0 auto}
  .feat-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr;row-gap:40px}
  .flow::before{display:none}
  .safe-grid{grid-template-columns:1fr}
  .safe-center{order:-1}
  .safe-col.left .safe-pt{flex-direction:row;text-align:left}
  .bento{grid-template-columns:repeat(3,1fr)}
  .tab-stage{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .ftr{grid-template-columns:1fr 1fr}
  .ftr>div:first-child{grid-column:span 2}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;max-height:none;overflow:visible}
  .blog-grid{grid-template-columns:1fr 1fr}
  .who-media{max-width:560px}
  .cmp-side{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
}
@media (max-width:640px){
  .sec{padding:60px 0}
  .hdr-cta{padding:9px 14px;font-size:13px;gap:6px}
  .hdr-cta svg{width:15px;height:15px}
  .brand{font-size:19px}
  .brand img{width:34px;height:34px}
  .hdr{gap:10px;padding:0 8px 0 12px}
  .hero{padding-top:24px}
  .hero-chip{display:none}
  .feat-list{grid-template-columns:1fr}
  .feat:nth-child(odd){border-right:0}
  .flow{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr 1fr}
  .who-item:nth-child(n){margin-left:0}
  .tab-stage{padding:22px}
  .ftr{grid-template-columns:1fr}
  .ftr>div:first-child{grid-column:auto}
  .blog-grid,.related-grid{grid-template-columns:1fr}
  .article,.prose{padding:26px 20px}
  .cmp-side{grid-template-columns:1fr}
  .safe-center img{width:210px;height:210px}
  .btn{white-space:normal}
}
@media (max-width:420px){
  .bento{grid-template-columns:1fr}
}
@media (max-width:360px){
  .brand span{display:none}
  .hero-ctas .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* 2026 quality and accessibility refinements */
html{scroll-padding-top:105px}
@media (hover:none){.btn:hover{transform:none}}
@media (max-width:640px){.btn{white-space:normal;text-align:center;min-height:44px}.hdr{gap:10px}.sh{margin-bottom:30px}}
@media (prefers-reduced-motion:reduce){.js-ready .reveal{opacity:1;transform:none}}

/* Distinct troubleshooting images for each active topic */
.tab-stage .panel .problem-photo{display:block;width:100%;max-width:440px;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin:20px auto 0;box-shadow:0 8px 25px rgba(20,45,88,.10)}
.tab-stage .panel[hidden]{display:none!important}
@media(min-width:780px){.tab-stage .panel{display:grid;grid-template-columns:minmax(0,1fr) 42%;column-gap:24px;align-items:center}.tab-stage .panel h3,.tab-stage .panel p,.tab-stage .panel ul{grid-column:1}.tab-stage .panel .problem-photo{grid-column:2;grid-row:1 / span 3;margin:0}}

/* Troubleshooting artwork now lives alongside each text panel */
.tab-stage{display:block}
.tab-stage>div{width:100%}
@media(min-width:780px){.tab-stage .panel{grid-template-columns:minmax(0,1fr) minmax(250px,42%)}}

/* Stabilise download guide markers and all inline icons at narrow widths. */
.timeline li{align-items:flex-start;min-width:0}
.timeline li>div:last-child{flex:1;min-width:0}
.tl-num{flex:0 0 48px;min-width:48px;min-height:48px;overflow:visible;box-sizing:border-box}
.tl-num span{font-size:17px;font-weight:700;line-height:1;color:var(--orange)}
.btn svg,.nav svg,.flow-ico svg,.feat-ico svg{flex-shrink:0;display:inline-block}
.dl-box .btn{max-width:100%;white-space:normal;text-align:center}
@media(max-width:540px){.timeline li{gap:12px}.timeline h3{font-size:16px}.tl-num{flex-basis:44px;min-width:44px;width:44px;height:44px;min-height:44px}.timeline::before{left:21px}}

/* Two hero actions remain side by side in both preview and live mode. */
.hero-ctas{display:flex;flex-wrap:nowrap;align-items:stretch;gap:12px}
.hero-ctas .btn{width:auto;min-width:0;flex:0 1 auto;display:inline-flex;align-items:center;justify-content:center;text-align:center;white-space:normal;line-height:1.3}
@media(max-width:540px){.hero-ctas{gap:8px}.hero-ctas .btn{flex:1 1 0;padding:11px 8px;font-size:12px;gap:5px}.hero-ctas svg{width:15px;height:15px}}

/* Header/footer branding consistency. */
.ftr .brand,.ftr .brand span{font-size:22px;font-weight:700;letter-spacing:-.3px;line-height:1.25}
.ftr .brand span{display:inline;white-space:nowrap}
@media(max-width:540px){.ftr .brand,.ftr .brand span{font-size:19px}.ftr .brand img{width:34px;height:34px}}