/* ==========================================================
   Polipo — global stylesheet (light theme, Poppins)
   ========================================================== */
@font-face{font-family:"Poppins";font-style:normal;font-weight:400;font-display:swap;src:local("Poppins Regular"),local("Poppins-Regular"),url("../fonts/poppins-400.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:500;font-display:swap;src:local("Poppins Medium"),local("Poppins-Medium"),url("../fonts/poppins-500.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:700;font-display:swap;src:local("Poppins Bold"),local("Poppins-Bold"),url("../fonts/poppins-700.woff2") format("woff2")}

:root{
  --ink:#17172a;
  --ink-2:#2c2c44;
  --text:#4b4d66;
  --muted:#6d6f88;
  --line:#e4e2f3;
  --line-2:#d6d2f0;
  --bg:#f8f8fc;
  --white:#ffffff;
  --soft:#f2f0ff;
  --soft-2:#ebe8ff;
  --violet:#6c5ce7;
  --violet-d:#5243c9;
  --violet-l:#a59bf4;
  --mint:#1f9d6b;
  --mint-bg:#e8f7f0;
  --coral:#c8553d;
  --coral-bg:#fdf0ec;
  --shadow-s:0 2px 10px rgba(60,50,140,.06);
  --shadow-m:0 12px 32px rgba(60,50,140,.10);
  --shadow-l:0 24px 60px rgba(60,50,140,.14);
  --header-h:72px;
  --wrap:1140px;
}
*,*::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,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--violet-d);text-decoration:none}
a:hover{color:var(--violet)}
h1,h2,h3,h4{font-family:"Poppins",Arial,sans-serif;color:var(--ink);line-height:1.22;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip-link:focus{left:12px;color:#fff}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:500;font-size:15px;line-height:1;padding:15px 24px;border-radius:999px;border:1.5px 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;flex:none}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 8px 22px rgba(23,23,42,.22)}
.btn-dark:hover{color:#fff;background:#25253d;transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,23,42,.26)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{color:var(--ink);border-color:var(--violet-l);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-violet{background:var(--violet);color:#fff;box-shadow:0 10px 24px rgba(108,92,231,.3)}
.btn-violet:hover{background:var(--violet-d);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:14px}

/* ---------- header ---------- */
#site-header{min-height:var(--header-h);position:sticky;top:0;z-index:100;background:rgba(248,248,252,.86);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s}
#site-header.is-scrolled{border-color:var(--line);box-shadow:0 6px 24px rgba(40,30,110,.06)}
.nav{height:var(--header-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:22px;letter-spacing:-.02em}
.brand:hover{color:var(--ink)}
.brand img{width:36px;height:36px}
.nav-menu{display:flex;align-items:center;justify-content:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-menu a{display:block;padding:8px 14px;border-radius:999px;color:var(--ink-2);font-size:15px;font-weight:500;transition:background .2s,color .2s}
.nav-menu a:hover,.nav-menu a.is-active{background:var(--soft-2);color:var(--violet-d)}
.nav-cta{justify-self:end;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle .i-close{display:none}
.nav-toggle[aria-expanded="true"] .i-close{display:block}
.nav-toggle[aria-expanded="true"] .i-open{display:none}

/* ---------- section head (same alignment site-wide) ---------- */
.section{padding:88px 0;position:relative}
.sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--violet-d);background:var(--soft-2);border:1px solid var(--line-2);padding:6px 14px;border-radius:999px;margin-bottom:14px}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:12px}
.sec-head p{font-size:17px;color:var(--muted);margin:0}

/* ---------- hero ---------- */
.hero{padding:44px 0 56px;background:radial-gradient(900px 420px at 78% 30%,#ece9ff 0%,rgba(236,233,255,0) 70%),linear-gradient(180deg,#fafaff 0%,var(--bg) 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:36px}
.hero h1{font-size:clamp(30px,3.9vw,46px);margin-bottom:18px;letter-spacing:-.025em}
.hero-lead{font-size:17px;max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-checks{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:0;padding:0;font-size:14px;color:var(--ink-2)}
.hero-checks li{display:inline-flex;align-items:center;gap:8px}
.hero-checks svg{width:18px;height:18px;color:var(--violet)}
.hero-visual{position:relative}
.hero-visual img{width:100%;max-width:600px;margin-left:auto}

/* ---------- what is ---------- */
.what{background:#fff;border-block:1px solid var(--line)}
.what-grid{display:grid;grid-template-columns:.9fr auto 1.1fr;gap:44px;align-items:center}
.what-divider{width:2px;align-self:stretch;background:linear-gradient(180deg,transparent,var(--line-2),transparent)}
.what-media img{width:100%;max-width:440px;margin:0 auto}
.what-text h3{font-size:22px}
.fact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:22px;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.fact{padding:14px 16px;border-right:1px solid var(--line);background:var(--bg)}
.fact:last-child{border-right:0}
.fact span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.fact strong{color:var(--ink);font-weight:500;font-size:15px}

/* ---------- features (divided rows, like mockup) ---------- */
.features{background:linear-gradient(180deg,var(--bg),#f3f2fc)}
.feat-rows{display:grid;grid-template-columns:repeat(3,1fr);row-gap:10px}
.feat{display:flex;gap:18px;padding:26px 28px;border-right:1px solid var(--line-2);border-radius:18px;transition:background .25s,box-shadow .25s,transform .25s}
.feat:nth-child(3n){border-right:0}
.feat:hover{background:#fff;box-shadow:var(--shadow-m);transform:translateY(-4px)}
.feat-ico{flex:none;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,#fff,#e7e3ff);color:var(--violet);box-shadow:inset 0 0 0 1px #e2ddff;transition:transform .25s}
.feat:hover .feat-ico{transform:rotate(-8deg) scale(1.05)}
.feat-ico svg{width:28px;height:28px}
.feat h3{font-size:17px;margin-bottom:6px}
.feat p{font-size:14.5px;margin:0}

/* ---------- how it works ---------- */
.how{background:#fff}
.how-diagram{background:linear-gradient(180deg,#fbfbff,#f4f3ff);border:1px solid var(--line);border-radius:28px;padding:26px;margin-bottom:34px}
.how-diagram img{width:100%}
.how-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;counter-reset:none}
.how-steps::before{content:"";position:absolute;top:27px;left:16%;right:16%;height:2px;background:repeating-linear-gradient(90deg,var(--violet-l) 0 8px,transparent 8px 16px)}
.how-step{text-align:center;padding:0 20px;position:relative}
.how-step .dot{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--ink);color:#fff;display:grid;place-items:center;position:relative;z-index:1;box-shadow:0 10px 22px rgba(23,23,42,.2)}
.how-step .dot svg{width:24px;height:24px}
.how-step h3{font-size:17px}
.how-step p{font-size:14.5px;margin:0 auto;max-width:300px}

/* ---------- benefits (inline strip) ---------- */
.benefits{background:linear-gradient(180deg,#f3f2fc,var(--bg))}
.ben-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px;box-shadow:var(--shadow-s)}
.ben{display:flex;align-items:center;gap:12px;padding:12px 18px;border-right:1px solid var(--line);border-radius:999px;transition:background .25s}
.ben:last-child{border-right:0}
.ben:hover{background:var(--soft)}
.ben .tick{flex:none;width:34px;height:34px;border-radius:50%;background:var(--soft-2);color:var(--violet);display:grid;place-items:center}
.ben .tick svg{width:18px;height:18px}
.ben strong{display:block;color:var(--ink);font-weight:500;font-size:15px;line-height:1.3}
.ben small{display:block;font-size:12.5px;color:var(--muted);line-height:1.4}

/* ---------- compatibility (spec sheet) ---------- */
.compat{background:#fff;border-block:1px solid var(--line)}
.spec{max-width:900px;margin:0 auto;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}
.spec-row{display:grid;grid-template-columns:260px 1fr;border-bottom:1px solid var(--line);transition:background .2s}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:#fbfaff}
.spec-k{display:flex;align-items:center;gap:12px;padding:18px 22px;background:var(--bg);color:var(--ink);font-weight:500;font-size:15px;border-right:1px solid var(--line)}
.spec-k svg{width:22px;height:22px;color:var(--violet);flex:none}
.spec-v{padding:18px 22px;font-size:15px}

/* ---------- use cases (bento) ---------- */
.uses{background:var(--bg)}
.bento{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-rows:auto auto;gap:18px}
.bento-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
.bento-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--line-2)}
.bento-card.big{grid-row:span 2;background:linear-gradient(160deg,#ffffff 0%,#efecff 100%);display:flex;flex-direction:column;justify-content:flex-end;min-height:340px}
.bento-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--soft-2);color:var(--violet-d);margin-bottom:16px}
.bento-card.big .bento-ico{width:64px;height:64px;border-radius:18px;background:var(--ink);color:#fff;margin-bottom:auto}
.bento-ico svg{width:24px;height:24px}
.bento-card.big .bento-ico svg{width:30px;height:30px}
.bento-card h3{font-size:18px;margin-bottom:6px}
.bento-card.big h3{font-size:24px;margin-top:40px}
.bento-card p{font-size:14.5px;margin:0}

/* ---------- setup (split + code) ---------- */
.setup{background:linear-gradient(180deg,var(--bg),#f1f0fb)}
.setup-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.setup-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.setup-list li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;transition:border-color .25s,box-shadow .25s,transform .25s}
.setup-list li:hover{border-color:var(--violet-l);box-shadow:var(--shadow-s);transform:translateX(4px)}
.setup-list .s-ico{flex:none;width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--violet-d);display:grid;place-items:center}
.setup-list .s-ico svg{width:22px;height:22px}
.setup-list h3{font-size:16px;margin:0 0 2px}
.setup-list p{font-size:14px;margin:0}
.code-win{background:#1b1b2e;border-radius:18px;box-shadow:var(--shadow-l);overflow:hidden;position:sticky;top:calc(var(--header-h) + 20px)}
.code-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.code-bar i{width:12px;height:12px;border-radius:50%;display:block}
.code-bar i:nth-child(1){background:#ff5f57}.code-bar i:nth-child(2){background:#febc2e}.code-bar i:nth-child(3){background:#28c840}
.code-bar span{margin-left:auto;font-size:12px;color:#a9a8c9}
.code-win pre{margin:0;padding:20px 22px;overflow-x:auto;font-family:Consolas,"Courier New",monospace;font-size:14px;line-height:1.75;color:#ecebff}
.code-win .c{color:#8f8db8}
.code-win .k{color:#b5abff}
.code-win .s{color:#9fe3c4}
.code-note{font-size:13px;color:var(--muted);margin-top:12px;text-align:left}

/* ---------- download ---------- */
.download{background:#fff}
.dl-panel{display:grid;grid-template-columns:1fr 1.1fr;align-items:center;gap:30px;background:radial-gradient(600px 300px at 20% 50%,#ffffff 0%,rgba(255,255,255,0) 70%),linear-gradient(120deg,#f1eeff 0%,#e6e2ff 55%,#f5f3ff 100%);border:1px solid var(--line-2);border-radius:36px;padding:40px 48px;position:relative;overflow:hidden}
.dl-panel::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;border:2px dashed rgba(108,92,231,.25)}
.dl-media img{width:100%;max-width:360px;margin:0 auto}
.dl-body h3{font-size:clamp(24px,2.6vw,32px)}
.dl-meta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px;padding:0;list-style:none}
.dl-meta li{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.8);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px;font-size:13.5px;color:var(--ink-2)}
.dl-meta svg{width:16px;height:16px;color:var(--violet)}
.dl-note{font-size:13.5px;color:var(--muted);margin:16px 0 0}

/* ---------- safety (accent list) ---------- */
.safety{background:var(--bg)}
.safe-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 28px;max-width:1000px;margin:0 auto}
.safe-item{display:flex;gap:16px;padding:18px 20px;border-left:4px solid var(--violet-l);background:linear-gradient(90deg,#fff,rgba(255,255,255,.4));border-radius:0 16px 16px 0;transition:border-color .25s,background .25s,transform .25s}
.safe-item:hover{border-color:var(--violet);background:#fff;transform:translateY(-3px)}
.safe-item svg{width:26px;height:26px;color:var(--violet-d);flex:none;margin-top:2px}
.safe-item h3{font-size:16px;margin-bottom:4px}
.safe-item p{font-size:14.5px;margin:0}

/* ---------- pros & cons ---------- */
.pc{background:#fff;border-block:1px solid var(--line)}
.pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:28px;overflow:hidden;border:1px solid var(--line)}
.pc-col{padding:34px 36px;transition:background .25s}
.pc-col.pros{background:linear-gradient(180deg,#f3fbf7,#fff)}
.pc-col.cons{background:linear-gradient(180deg,#fdf5f2,#fff);border-left:1px solid var(--line)}
.pc-col:hover{background:#fff}
.pc-col h3{display:flex;align-items:center;gap:10px;font-size:22px;margin-bottom:18px}
.pc-col h3 .badge{width:38px;height:38px;border-radius:12px;display:grid;place-items:center}
.pros h3 .badge{background:var(--mint-bg);color:var(--mint)}
.cons h3 .badge{background:var(--coral-bg);color:var(--coral)}
.pc-col h3 svg{width:20px;height:20px}
.pc-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.pc-col li{display:flex;gap:12px;font-size:15px;padding:10px 12px;border-radius:12px;transition:background .2s,transform .2s}
.pc-col li:hover{background:rgba(255,255,255,.9);transform:translateX(4px)}
.pc-col li svg{width:20px;height:20px;flex:none;margin-top:3px}
.pros li svg{color:var(--mint)}
.cons li svg{color:var(--coral)}

/* ---------- release (ribbon) ---------- */
.release{background:linear-gradient(180deg,var(--bg),#f2f1fb)}
.ribbon{display:grid;grid-template-columns:repeat(4,1fr);position:relative;max-width:1060px;margin:0 auto}
.ribbon::before{content:"";position:absolute;left:6%;right:6%;top:22px;height:3px;background:linear-gradient(90deg,var(--violet-l),var(--violet),var(--violet-l));border-radius:3px}
.rib{position:relative;text-align:center;padding:0 16px}
.rib .node{width:46px;height:46px;border-radius:50%;margin:0 auto 18px;background:#fff;border:3px solid var(--violet);display:grid;place-items:center;color:var(--violet-d);position:relative;z-index:1;transition:transform .25s}
.rib:hover .node{transform:scale(1.1)}
.rib .node svg{width:20px;height:20px}
.rib h3{font-size:16px;margin-bottom:4px}
.rib p{font-size:14px;margin:0}

/* ---------- troubleshooting ---------- */
.trouble{background:#fff}
.tr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tr-card{border:1.5px dashed var(--line-2);border-radius:20px;padding:24px;background:#fff;transition:border-color .25s,background .25s,transform .25s,box-shadow .25s}
.tr-card:hover{border-style:solid;border-color:var(--violet-l);background:#fdfcff;transform:translateY(-4px);box-shadow:var(--shadow-m)}
.tr-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tr-top svg{width:34px;height:34px;padding:7px;border-radius:10px;background:var(--coral-bg);color:var(--coral);flex:none}
.tr-top h3{font-size:16px;margin:0}
.tr-card p{font-size:14.5px;margin:0}
.tr-card code{font-family:Consolas,"Courier New",monospace;font-size:13px;background:var(--soft);padding:1px 6px;border-radius:6px;color:var(--violet-d)}

/* ---------- CTA band ---------- */
.cta-band{padding:72px 0;background:linear-gradient(110deg,#efecff 0%,#f7f6ff 45%,#e9e6ff 100%);border-block:1px solid var(--line-2)}
.cta-band .sec-head{margin-bottom:28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ---------- FAQ ---------- */
.faq{background:var(--bg)}
.faq-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:28px;flex-wrap:wrap}
.faq-tab{border:1px solid var(--line-2);background:#fff;color:var(--ink-2);padding:10px 20px;border-radius:999px;font-size:15px;font-weight:500;cursor:pointer;transition:background .2s,color .2s}
.faq-tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.faq-panel{max-width:860px;margin:0 auto}
.faq-panel[hidden]{display:none}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:12px;transition:border-color .2s,box-shadow .2s}
.faq-item.is-open{border-color:var(--violet-l);box-shadow:var(--shadow-s)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;padding:18px 22px;font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;border-radius:18px}
.faq-q svg{width:22px;height:22px;flex:none;color:var(--violet);transition:transform .25s}
.faq-item.is-open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 22px 18px;margin:0;font-size:15px}

/* ---------- footer ---------- */
#site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand p{font-size:14px;margin:14px 0 0;max-width:330px}
.foot-col h3{font-size:15px;margin-bottom:12px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-col a{color:var(--text);font-size:14px;text-decoration:none}
.foot-col a:hover{color:var(--violet-d)}
.foot-bottom{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;font-size:13.5px;color:var(--muted)}
.foot-bottom a{color:var(--ink);font-weight:500;text-decoration:none}
.foot-bottom p{margin:0}

/* ---------- scroll top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:14px;border:0;background:var(--ink);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s;z-index:90;box-shadow:var(--shadow-m)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:22px;height:22px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ==========================================================
   Inner pages
   ========================================================== */
.page-hero{padding:56px 0 40px;background:radial-gradient(700px 300px at 50% 0%,#ece9ff,rgba(236,233,255,0) 70%),var(--bg);text-align:center}
.page-hero h1{font-size:clamp(30px,4vw,46px);margin-bottom:12px}
.page-hero p{max-width:700px;margin:0 auto;color:var(--muted);font-size:17px}
.crumbs{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 18px;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line-2)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--violet-d)}
.prose{max-width:820px;margin:0 auto;padding:40px 24px 80px}
.prose h2{font-size:26px;margin-top:1.6em}
.prose h3{font-size:20px;margin-top:1.3em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.card-plain{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px}
.contact-box{max-width:620px;margin:0 auto;text-align:center}
.contact-box .mail{display:inline-flex;align-items:center;gap:12px;font-size:20px;font-weight:500;color:var(--ink);background:var(--soft);border:1px solid var(--line-2);padding:14px 24px;border-radius:999px;margin:12px 0 6px;word-break:break-all}
.contact-box .mail svg{width:24px;height:24px;color:var(--violet);flex:none}

/* blog listing */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:20px 0 90px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--line-2)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}
.post-card .pc-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-card .tag{font-size:12.5px;font-weight:500;color:var(--violet-d);margin-bottom:8px}
.post-card h2,.post-card h3{font-size:18px;margin-bottom:8px}
.post-card h2 a,.post-card h3 a{color:var(--ink)}
.post-card h2 a:hover,.post-card h3 a:hover{color:var(--violet-d)}
.post-card p{font-size:14.5px;margin-bottom:16px}
.read-more{margin-top:auto;font-weight:500;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.read-more svg{width:16px;height:16px;transition:transform .2s}
.post-card:hover .read-more svg{transform:translateX(4px)}

/* article */
.article-hero{padding:44px 0 10px;background:radial-gradient(700px 280px at 30% 0%,#ece9ff,rgba(236,233,255,0) 70%),var(--bg)}
.article-hero .crumbs{justify-content:flex-start}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding:10px 0 90px}
.article h1{font-size:clamp(28px,3.6vw,42px);margin-bottom:12px}
.article-meta{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.article-figure{margin:0 0 28px;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-m)}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{font-size:16.5px;max-width:760px}
.article-body h2{font-size:27px;margin:1.7em 0 .6em}
.article-body h3{font-size:20px;margin:1.4em 0 .5em}
.article-body ul{padding-left:1.2em;margin:0 0 1.2em}
.article-body li{margin-bottom:.45em}
.article-body code{font-family:Consolas,"Courier New",monospace;font-size:14px;background:var(--soft);color:var(--violet-d);padding:2px 7px;border-radius:6px}
.article-body pre{background:#1b1b2e;color:#ecebff;border-radius:14px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.3em}
.article-body pre code{background:none;color:inherit;padding:0}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:16px;background:#fff}
.table-wrap table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}
.table-wrap th,.table-wrap td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table-wrap th{background:var(--soft);color:var(--ink);font-weight:500}
.table-wrap tr:last-child td{border-bottom:0}
.callout{background:var(--soft);border:1px solid var(--line-2);border-left:4px solid var(--violet);border-radius:0 14px 14px 0;padding:14px 18px;margin:0 0 1.3em;font-size:15.5px}
.art-faq .faq-item{margin-bottom:10px}
.related{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.related h2{font-size:24px;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-grid .post-card .pc-body{padding:16px 18px 18px}
.related-grid .post-card h3{font-size:16px}

/* sidebar: sticky AND independently scrollable */
.sidebar{position:sticky;top:calc(var(--header-h) + 18px);max-height:calc(100vh - var(--header-h) - 36px);overflow-y:auto;overscroll-behavior:contain;padding-right:6px;display:grid;gap:18px;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:6px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}
.side-box h2{font-size:16px;margin-bottom:12px}
.toc{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.toc a{display:block;font-size:14px;color:var(--text);padding:6px 10px;border-radius:10px;border-left:2px solid transparent}
.toc a:hover,.toc a.is-active{background:var(--soft);color:var(--violet-d);border-left-color:var(--violet)}
.side-posts{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.side-posts a{display:flex;gap:12px;align-items:center;color:var(--ink);font-size:14px;font-weight:500;line-height:1.4}
.side-posts img{width:74px;height:42px;object-fit:cover;border-radius:8px;flex:none;border:1px solid var(--line)}
.side-posts a:hover{color:var(--violet-d)}
.side-cta{background:linear-gradient(150deg,#f1eeff,#fff);text-align:center}
.side-cta img{width:56px;height:56px;margin:0 auto 10px}
.side-cta p{font-size:14px}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1100px){
  .nav-menu a{padding:8px 10px;font-size:14.5px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:30px}
}
@media (max-width:980px){
  .nav{grid-template-columns:auto 1fr auto}
  .nav-toggle{display:inline-flex}
  .nav-menu{position:absolute;left:12px;right:12px;top:calc(var(--header-h) + 6px);flex-direction:column;align-items:stretch;gap:2px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow-l);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s}
  .nav-menu.open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{padding:12px 14px;font-size:15.5px}
  .nav-cta{grid-column:3}
  .hero-grid,.setup-grid,.dl-panel{grid-template-columns:1fr}
  .hero-visual img{margin:0 auto;max-width:520px}
  .what-grid{grid-template-columns:1fr}
  .what-divider{display:none}
  .feat-rows{grid-template-columns:repeat(2,1fr)}
  .feat,.feat:nth-child(3n){border-right:0;border-bottom:1px solid var(--line)}
  .ben-strip{grid-template-columns:repeat(2,1fr);border-radius:28px}
  .ben:nth-child(2){border-right:0}
  .bento{grid-template-columns:1fr 1fr}
  .bento-card.big{grid-column:span 2;grid-row:auto;min-height:260px}
  .tr-grid,.blog-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;max-height:none;overflow:visible;padding-right:0}
  .code-win{position:static}
  .dl-panel{padding:32px 26px;text-align:center}
  .dl-meta{justify-content:center}
}
@media (max-width:720px){
  .section{padding:64px 0}
  .fact-row{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(2){border-right:0}
  .fact:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .feat-rows{grid-template-columns:1fr}
  .how-steps{grid-template-columns:1fr;gap:26px}
  .how-steps::before{display:none}
  .how-diagram{padding:12px;border-radius:18px}
  .ben-strip{grid-template-columns:1fr}
  .ben{border-right:0;border-bottom:1px solid var(--line)}
  .ben:last-child{border-bottom:0}
  .spec-row{grid-template-columns:1fr}
  .spec-k{border-right:0;border-bottom:1px solid var(--line)}
  .bento{grid-template-columns:1fr}
  .bento-card.big{grid-column:auto}
  .safe-list,.pc-grid{grid-template-columns:1fr}
  .pc-col.cons{border-left:0;border-top:1px solid var(--line)}
  .ribbon{grid-template-columns:1fr 1fr;row-gap:28px}
  .ribbon::before{display:none}
  .tr-grid,.blog-grid,.related-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav-cta .btn{padding:10px 14px;font-size:13.5px}
}
@media (max-width:420px){
  .wrap{padding:0 16px}
  .brand{font-size:19px}
  .brand img{width:30px;height:30px}
  .nav{gap:8px}
  .nav-cta .btn svg{display:none}
  .hero-actions .btn{width:100%}
  .ribbon{grid-template-columns:1fr}
  .pc-col{padding:26px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

/* grid children may shrink below content width (prevents code blocks forcing overflow) */
.hero-grid>*,.what-grid>*,.setup-grid>*,.dl-panel>*,.article-layout>*,.bento>*,.tr-grid>*,.blog-grid>*{min-width:0}
/* blend mockup illustrations into the light backgrounds */
.hero-visual img,.what-media img,.how-diagram img,.dl-media img{mix-blend-mode:multiply}

/* Refined navigation and open use-case layout */
#site-header{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 3px 18px rgba(23,23,42,.04)}
#site-header .brand{gap:12px;font-size:25px;letter-spacing:-1px;color:#5243c9}
#site-header .brand img{width:46px;height:46px;padding:7px;background:#eeebff;border:1px solid #dcd6ff;border-radius:14px}
.nav-menu a{display:flex;align-items:center;gap:7px;padding:9px 10px;font-size:14px}
.nav-menu a svg{width:17px;height:17px;flex:none;color:var(--violet-d)}
.uses{background:#fff}
.uses .wrap{display:grid;grid-template-columns: .8fr 1.5fr;gap:70px;align-items:start}
.uses .sec-head{text-align:left;margin:0;position:sticky;top:110px}
.uses .sec-head h2{font-size:clamp(32px,4vw,46px)}
.bento{display:block;counter-reset:use}
.bento-card,.bento-card.big{display:grid;grid-template-columns:42px 1fr;gap:4px 20px;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:25px 0;min-height:0;box-shadow:none;transform:none}
.bento-card:first-child{padding-top:0}
.bento-card:hover{transform:none;box-shadow:none;border-color:var(--violet-l)}
.bento-ico,.bento-card.big .bento-ico{grid-row:span 2;width:42px;height:42px;background:transparent;color:var(--violet-d);border-radius:0;margin:0}
.bento-ico svg,.bento-card.big .bento-ico svg{width:28px;height:28px}
.bento-card h3,.bento-card.big h3{font-size:19px;margin:0 0 5px}
.bento-card p{grid-column:2;font-size:15px}
.dl-meta li svg{width:22px;height:22px;flex:none;stroke-width:1.8}
@media(max-width:1000px){.nav{gap:12px}.nav-menu a{font-size:13px;padding:8px}.nav-menu a svg{width:15px}.uses .wrap{gap:35px}}
@media(max-width:700px){.uses .wrap{grid-template-columns:1fr;gap:32px}.uses .sec-head{position:static}.nav-menu a{font-size:15px;padding:12px 16px}.nav-menu a svg{width:19px;height:19px}.bento-card,.bento-card.big{grid-template-columns:36px 1fr;gap:4px 12px}.bento-card h3,.bento-card.big h3{font-size:18px}}

/* Consistent site-wide content widths (desktop); mobile remains fluid. */
@media (min-width: 981px){
  .sec-head,.spec,.safe-list,.ribbon,.faq-panel,.prose,.article-body{max-width:100%;}
}