/* ==========================================================================
   RetinaFace — design system
   Display: Poppins · Body: Inter
   Palette: detection indigo + landmark cyan on a clean light surface
   ========================================================================== */

:root{
  --bg:#ffffff;
  --surface:#f6f7fb;
  --surface-2:#eef1f8;
  --ink:#0e1124;
  --ink-soft:#363c54;
  --muted:#697089;
  --line:#e6e9f2;
  --brand:#4f46e5;
  --brand-ink:#3b34c2;
  --cyan:#06b6d4;
  --grad:linear-gradient(135deg,#5b54f0 0%,#06b6d4 100%);
  --grad-soft:linear-gradient(135deg,#eef0ff 0%,#e6fbff 100%);
  --good:#16a34a;
  --bad:#e11d48;
  --warn:#d97706;
  --shadow-sm:0 1px 2px rgba(14,17,36,.06),0 1px 3px rgba(14,17,36,.04);
  --shadow:0 10px 30px -12px rgba(28,30,80,.18);
  --shadow-lg:0 24px 60px -20px rgba(28,30,80,.28);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink-soft);
  background:var(--bg);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-ink)}
h1,h2,h3,h4{font-family:Poppins,Inter,system-ui,sans-serif;color:var(--ink);line-height:1.18;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600}
h3{font-size:1.18rem;font-weight:600}
p{margin:0 0 1rem}
::selection{background:rgba(79,70,229,.18)}
:focus-visible{outline:3px solid rgba(79,70,229,.5);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,34px)}
.section{padding-block:clamp(54px,8vw,96px)}
.section--tint{background:var(--surface)}
.eyebrow{display:inline-block;font-family:Poppins;font-weight:600;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:.7rem}
.lead{font-size:1.075rem;color:var(--muted);max-width:62ch}
.center{text-align:center}
.center .lead{margin-inline:auto}
.section-head{max-width:64ch;margin:0 auto clamp(34px,5vw,52px)}

/* ---- Signature: detection bracket frame ---- */
.reticle{position:relative}
.reticle::before,.reticle::after{
  content:"";position:absolute;width:26px;height:26px;pointer-events:none;
  border:2px solid var(--cyan);border-radius:3px;
}
.reticle::before{top:-9px;left:-9px;border-right:0;border-bottom:0}
.reticle::after{bottom:-9px;right:-9px;border-left:0;border-top:0}

/* ---- Buttons ---- */
.btn{
  --pad:13px 22px;
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:Poppins;font-weight:600;font-size:.95rem;
  padding:var(--pad);border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 24px -10px rgba(79,70,229,.6)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -10px rgba(79,70,229,.7)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{color:var(--ink);transform:translateY(-2px);border-color:#cfd4e6}
.btn-lg{--pad:16px 30px;font-size:1.02rem}
.btn-block{width:100%;justify-content:center}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-family:Poppins;font-weight:700;font-size:1.2rem;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.brand b{color:var(--brand)}
.nav-spacer{flex:1}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu > li > a{display:inline-block;padding:9px 13px;border-radius:9px;color:var(--ink-soft);font-weight:500;font-size:.94rem;transition:background .2s,color .2s}
.menu > li > a:hover{background:var(--surface);color:var(--ink)}
.has-drop{position:relative}
.has-drop > a::after{content:"";display:inline-block;width:7px;height:7px;margin-left:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.6}
.drop{
  position:absolute;top:calc(100% + 8px);left:0;width:340px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:flex;gap:10px;align-items:flex-start;padding:10px 11px;border-radius:10px;color:var(--ink-soft)}
.drop a:hover{background:var(--surface)}
.drop .di{width:30px;height:30px;flex:0 0 auto;border-radius:8px;background:var(--grad-soft);display:grid;place-items:center;color:var(--brand)}
.drop .di svg{width:16px;height:16px}
.drop strong{display:block;font-family:Poppins;font-size:.86rem;font-weight:600;color:var(--ink);line-height:1.3}
.drop span{font-size:.76rem;color:var(--muted)}
.drop .drop-all{justify-content:center;color:var(--brand);font-weight:600;font-family:Poppins;font-size:.85rem;margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 10px 10px}
.nav-cta{display:inline-flex}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger span::before{transform:translateY(-6px)}.burger span::after{transform:translateY(4px)}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:rotate(-45deg) translateY(-2px)}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 80% -8%,rgba(6,182,212,.12),transparent 60%),
  radial-gradient(760px 420px at 6% 4%,rgba(79,70,229,.12),transparent 55%),#fff}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,60px);align-items:center;padding-block:clamp(48px,7vw,86px)}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{margin:1.1rem 0 1.7rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:1.7rem;font-size:.85rem;color:var(--muted)}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust svg{width:16px;height:16px;color:var(--good)}
.hero-visual{position:relative}
.shot{border-radius:18px;box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#fff;overflow:hidden}
.hero-badge{position:absolute;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:9px 13px;font-size:.8rem;font-weight:600;font-family:Poppins;color:var(--ink);display:flex;align-items:center;gap:8px}
.hero-badge svg{width:18px;height:18px}
.hero-badge.b1{top:18px;left:-14px;color:var(--brand)}
.hero-badge.b2{bottom:22px;right:-12px;color:var(--cyan)}

/* ---- Trust bar ---- */
.trustbar{border-block:1px solid var(--line);background:#fff}
.trustbar .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding-block:22px}
.trustbar p{margin:0;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600}
.trust-logos{display:flex;flex-wrap:wrap;gap:26px;align-items:center;opacity:.8}
.trust-logos span{font-family:Poppins;font-weight:600;color:var(--ink-soft);font-size:.96rem;display:inline-flex;gap:8px;align-items:center}
.trust-logos svg{width:18px;height:18px;color:var(--brand)}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,58px);align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.about-points{display:grid;gap:14px;margin-top:1.2rem}
.about-points li{list-style:none;display:flex;gap:12px;align-items:flex-start}
.about-points .tick{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center}
.about-points .tick svg{width:15px;height:15px}
.about-points strong{font-family:Poppins;color:var(--ink);font-weight:600}

/* ==========================================================================
   Features
   ========================================================================== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d7dcf0}
.feature .fi{width:46px;height:46px;border-radius:12px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.feature .fi svg{width:23px;height:23px}
.feature h3{margin-bottom:.35rem}
.feature p{margin:0;font-size:.94rem;color:var(--muted)}

/* ==========================================================================
   Download
   ========================================================================== */
.dl-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr}
.dl-main{padding:clamp(28px,4vw,44px)}
.dl-main h2{margin-bottom:.4rem}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin:1.4rem 0 1rem}
.dl-note{font-size:.84rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.dl-note svg{width:15px;height:15px;color:var(--good)}
.dl-spec{background:var(--surface);border-left:1px solid var(--line);padding:clamp(26px,3.5vw,38px)}
.dl-spec h3{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:1rem}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:.9rem}
.spec-row:last-child{border-bottom:0}
.spec-row span{color:var(--muted)}
.spec-row b{font-family:Poppins;color:var(--ink);font-weight:600;text-align:right}

/* ==========================================================================
   Steps / Installation + How it works
   ========================================================================== */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 24px 70px;transition:box-shadow .3s,transform .3s}
.step:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:22px;top:22px;font-family:Poppins;font-weight:700;font-size:1.1rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.step h3{margin-bottom:.3rem;font-size:1.05rem}
.step p{margin:0;font-size:.92rem;color:var(--muted)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-card{text-align:center;padding:24px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.flow-card .fc{width:54px;height:54px;margin:0 auto 12px;border-radius:50%;background:var(--grad-soft);display:grid;place-items:center;color:var(--brand)}
.flow-card .fc svg{width:24px;height:24px}
.flow-card h3{font-size:1rem;margin-bottom:.25rem}
.flow-card p{margin:0;font-size:.86rem;color:var(--muted)}

/* ==========================================================================
   Compatibility table
   ========================================================================== */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
table.compat{width:100%;border-collapse:collapse;font-size:.93rem}
table.compat th,table.compat td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.compat thead th{background:var(--surface);font-family:Poppins;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
table.compat tbody tr:last-child td{border-bottom:0}
table.compat tbody tr:hover{background:var(--surface)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;font-family:Poppins;padding:4px 10px;border-radius:999px}
.pill.ok{background:rgba(22,163,74,.12);color:var(--good)}
.pill.part{background:rgba(217,119,6,.12);color:var(--warn)}

/* ==========================================================================
   Pros & Cons / Use cases
   ========================================================================== */
.pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.pc-card h3{display:flex;align-items:center;gap:10px}
.pc-card h3 .ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center}
.pc-card.pros .ico{background:rgba(22,163,74,.12);color:var(--good)}
.pc-card.cons .ico{background:rgba(225,29,72,.1);color:var(--bad)}
.pc-card ul{list-style:none;margin:.4rem 0 0;padding:0;display:grid;gap:11px}
.pc-card li{display:flex;gap:10px;font-size:.93rem}
.pc-card li svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px}
.pros li svg{color:var(--good)}.cons li svg{color:var(--bad)}
.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.usecase{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s,box-shadow .3s}
.usecase:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.usecase .uc{width:42px;height:42px;border-radius:11px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.usecase .uc svg{width:21px;height:21px}
.usecase h3{font-size:1.05rem;margin-bottom:.3rem}
.usecase p{margin:0;font-size:.9rem;color:var(--muted)}

/* ==========================================================================
   Troubleshooting
   ========================================================================== */
.trouble{display:grid;gap:14px}
.trouble-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.trouble-item h3{font-size:1.02rem;display:flex;gap:10px;align-items:center;margin-bottom:.35rem}
.trouble-item h3 svg{width:19px;height:19px;color:var(--warn);flex:0 0 auto}
.trouble-item p{margin:0;font-size:.92rem;color:var(--muted)}
.trouble-item code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:.85em;color:var(--brand-ink)}

/* ==========================================================================
   Reviews
   ========================================================================== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.stars{display:flex;gap:3px;color:#f5a623}
.stars svg{width:17px;height:17px}
.review p{margin:0;font-size:.94rem;color:var(--ink-soft)}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:auto}
.reviewer .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:Poppins;font-weight:600}
.reviewer b{display:block;font-family:Poppins;font-size:.9rem;color:var(--ink)}
.reviewer span{font-size:.8rem;color:var(--muted)}

/* ==========================================================================
   FAQ (two categories, two columns, accordion)
   ========================================================================== */
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.faq-cat-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.faq-cat-head .ci{width:40px;height:40px;border-radius:11px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center}
.faq-cat-head .ci svg{width:20px;height:20px}
.faq-cat-head h3{margin:0;font-size:1.12rem}
.acc{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.acc-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:16px 18px;font-family:Poppins;font-weight:500;font-size:.95rem;color:var(--ink);display:flex;justify-content:space-between;gap:12px;align-items:center}
.acc-q .chev{flex:0 0 auto;width:18px;height:18px;transition:transform .3s var(--ease);color:var(--muted)}
.acc[open] .acc-q .chev,.acc.open .acc-q .chev{transform:rotate(180deg);color:var(--brand)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.acc-a-inner{padding:0 18px 16px;font-size:.92rem;color:var(--muted)}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{background:var(--grad);border-radius:24px;padding:clamp(34px,5vw,56px);text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:54ch;margin:0 auto 1.6rem}
.cta-band .btn-ghost{background:#fff;color:var(--brand)}
.cta-band .btn-ghost:hover{color:var(--brand-ink)}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{background:#0e1124;color:#aab1cc;margin-top:0;padding-block:clamp(48px,6vw,72px) 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer .brand{color:#fff;margin-bottom:12px}
.site-footer .brand b{color:#a5b4fc}
.foot-about{font-size:.9rem;color:#8b93b2;max-width:34ch}
.foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col a{color:#aab1cc;font-size:.9rem}
.foot-col a:hover{color:#fff}
.foot-social{display:flex;gap:10px;margin-top:16px}
.foot-social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.06);display:grid;place-items:center;color:#cbd2ea}
.foot-social a:hover{background:rgba(255,255,255,.12);color:#fff}
.foot-social svg{width:17px;height:17px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-block:22px;font-size:.84rem;color:#7d85a6;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot-bottom a{color:#a5b4fc}

/* ==========================================================================
   Scroll-to-top
   ========================================================================== */
.to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:14px;border:0;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:22px;height:22px}

/* ==========================================================================
   Page hero (interior pages) + legal/article typography
   ========================================================================== */
.page-hero{background:
  radial-gradient(700px 300px at 90% -20%,rgba(6,182,212,.1),transparent 60%),
  radial-gradient(600px 320px at 0% -10%,rgba(79,70,229,.12),transparent 55%),var(--surface);
  border-bottom:1px solid var(--line);padding-block:clamp(40px,6vw,68px)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:.84rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.breadcrumb [aria-current]{color:var(--ink)}
.prose{font-size:1rem;color:var(--ink-soft)}
.prose h2{margin-top:2.2rem}
.prose h3{margin-top:1.6rem}
.prose p{margin:0 0 1.05rem}
.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.25rem}
.prose li{margin-bottom:.5rem}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:.88em;color:var(--brand-ink)}
.prose pre{background:#0e1124;color:#e6e9f8;padding:18px;border-radius:12px;overflow:auto;font-size:.86rem;margin:0 0 1.3rem}
.prose pre code{background:none;color:inherit;padding:0}
.prose blockquote{border-left:3px solid var(--brand);margin:0 0 1.3rem;padding:6px 0 6px 18px;color:var(--muted)}
.callout{background:var(--grad-soft);border:1px solid #d9defc;border-radius:12px;padding:16px 18px;margin:0 0 1.3rem;font-size:.93rem;color:var(--ink-soft)}

/* ==========================================================================
   Single post — two column with sidebar
   ========================================================================== */
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:42px;align-items:start}
.post-main figure.feature{margin:0 0 26px}
.post-main figure.feature img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.post-main figure.feature figcaption,.prose figure figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:8px}
.prose figure{margin:0 0 1.6rem}
.prose figure img{border-radius:12px;border:1px solid var(--line)}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.85rem;color:var(--muted);margin-bottom:20px}
.post-meta .tag{background:var(--grad-soft);color:var(--brand);font-weight:600;font-family:Poppins;padding:3px 11px;border-radius:999px;font-size:.78rem}
.sidebar{position:sticky;top:90px;display:grid;gap:18px}
.swidget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.swidget h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:13px}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;border-left:2px solid var(--line)}
.toc-list a{display:block;padding:2px 0 2px 14px;margin-left:-2px;font-size:.88rem;color:var(--muted);border-left:2px solid transparent}
.toc-list a:hover,.toc-list a.active{color:var(--brand);border-left-color:var(--brand)}
.related-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.related-list a{display:flex;gap:11px;align-items:flex-start;color:var(--ink-soft)}
.related-list a:hover{color:var(--brand)}
.related-list img{width:58px;height:40px;border-radius:8px;object-fit:cover;flex:0 0 auto;border:1px solid var(--line)}
.related-list b{font-family:Poppins;font-size:.84rem;font-weight:600;line-height:1.35;display:block}
.swidget.cta-side{background:var(--grad);color:#fff;text-align:center}
.swidget.cta-side h4{color:rgba(255,255,255,.85)}
.swidget.cta-side p{font-size:.88rem;color:rgba(255,255,255,.92);margin:0 0 14px}
.swidget.cta-side .btn-ghost{background:#fff;color:var(--brand)}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px}
.cat-tags a{font-size:.8rem;padding:5px 11px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft)}
.cat-tags a:hover{border-color:var(--brand);color:var(--brand)}

/* ==========================================================================
   Guides hub
   ========================================================================== */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.gcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.gcard .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.gcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.gcard:hover .thumb img{transform:scale(1.04)}
.gcard .body{padding:20px;display:flex;flex-direction:column;flex:1}
.gcard .gtag{align-self:flex-start;font-size:.74rem;font-weight:600;font-family:Poppins;color:var(--brand);background:var(--grad-soft);padding:3px 10px;border-radius:999px;margin-bottom:11px}
.gcard h3{font-size:1.05rem;margin-bottom:.4rem}
.gcard h3 a{color:var(--ink)}
.gcard:hover h3 a{color:var(--brand)}
.gcard p{font-size:.9rem;color:var(--muted);margin:0 0 16px}
.gcard .gmeta{margin-top:auto;display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line);padding-top:13px}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.feature,.usecase,.gcard,.to-top{transition:none}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1000px){
  .feature-grid,.flow,.usecases,.reviews,.guide-grid{grid-template-columns:repeat(2,1fr)}
  .post-layout{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
  .swidget.toc-widget{display:none}
}
@media (max-width:860px){
  .nav-spacer{display:none}
  .menu{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px;max-height:calc(100vh - 70px);overflow:auto;transform:translateY(-12px);opacity:0;visibility:hidden;transition:.25s var(--ease)}
  .menu.open{transform:none;opacity:1;visibility:visible}
  .menu > li > a{padding:13px 12px;border-radius:10px}
  .drop{position:static;width:auto;box-shadow:none;border:0;opacity:1;visibility:visible;transform:none;padding:2px 6px 8px;display:none}
  .has-drop.open .drop{display:block}
  .has-drop > a::after{float:right;margin-top:7px}
  .nav-cta{margin-left:auto}
  .burger{display:flex}
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:480px;margin-inline:auto}
  .dl-card,.steps,.pc-grid,.faq-cols{grid-template-columns:1fr}
  .dl-spec{border-left:0;border-top:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-badge.b1{left:6px}.hero-badge.b2{right:6px}
}
@media (max-width:540px){
  .feature-grid,.flow,.usecases,.reviews,.guide-grid,.sidebar{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .trustbar .container{flex-direction:column;align-items:flex-start}
  .nav-cta .btn{padding:10px 14px;font-size:.85rem}
}