/* VibeKit Weekly — single stylesheet. Mobile-first, no external requests. */
:root{
  --bg:#0b0d14; --bg2:#11141f; --card:#161a28; --line:#262b3f;
  --text:#e8ebf5; --muted:#a3abc4; --accent:#7cf5c4; --accent2:#8b7cff; --warn:#ffcf5c; --danger:#ff7a90;
  --radius:14px; --max:1080px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:radial-gradient(1200px 500px at 80% -10%,rgba(139,124,255,.18),transparent 60%),radial-gradient(900px 400px at -10% 10%,rgba(124,245,196,.10),transparent 60%),var(--bg);
  color:var(--text);font:16px/1.65 var(--sans);min-height:100vh}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:#b6ffe3}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#04120c;padding:.6rem 1rem;z-index:100;font-weight:700}
.skip:focus{left:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 1.1rem}
.narrow{max-width:760px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;letter-spacing:-.015em}
h1{font-size:clamp(2rem,6.5vw,3.4rem)}
h2{font-size:clamp(1.5rem,4vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.eyebrow{font-family:var(--mono);font-size:.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;margin-bottom:.8rem;display:inline-block}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
code,pre,kbd{font-family:var(--mono)}
code{background:#1b2033;padding:.1em .35em;border-radius:5px;font-size:.92em}
pre{background:#0d1019;border:1px solid var(--line);border-radius:10px;padding:1rem;overflow:auto;white-space:pre-wrap;word-wrap:break-word;font-size:.88rem;line-height:1.55}
pre code{background:none;padding:0}

/* header */
.site-header{border-bottom:1px solid var(--line);background:rgba(11,13,20,.85);backdrop-filter:blur(8px);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.4rem 1rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--text);text-decoration:none;font-size:1.1rem}
.brand svg{width:28px;height:28px}
.brand span b{color:var(--accent)}
.nav{display:flex;flex-wrap:wrap;gap:.2rem .3rem}
.nav a{color:var(--muted);text-decoration:none;padding:.45rem .7rem;border-radius:8px;font-size:.95rem}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text);background:#1a1f31}

/* buttons / forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-weight:700;border:0;cursor:pointer;
  background:linear-gradient(90deg,var(--accent),#5fd8ff);color:#04120c;padding:.85rem 1.3rem;border-radius:10px;text-decoration:none;min-height:44px}
.btn:hover{filter:brightness(1.08);color:#04120c}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.small{padding:.55rem .9rem;font-size:.9rem;min-height:40px}
.form-row{display:flex;flex-direction:column;gap:.6rem}
@media(min-width:560px){.form-row{flex-direction:row}.form-row input[type=email]{flex:1}}
input[type=email],select{font:inherit;color:var(--text);background:#0d1019;border:1px solid #333a57;border-radius:10px;padding:.8rem .9rem;min-height:46px;width:100%}
input[type=email]::placeholder{color:#7b83a0}
label{font-weight:600;display:block;margin-bottom:.35rem}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form-msg{min-height:1.5em;margin:.6rem 0 0;font-size:.95rem}
.form-msg.ok{color:var(--accent)} .form-msg.err{color:var(--danger)}
.fineprint{font-size:.82rem;color:var(--muted);margin-top:.5rem}

/* sections / cards */
section{padding:3rem 0}
.hero{padding:3.5rem 0 2.5rem}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:640px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.grid{display:grid;gap:1rem}
@media(min-width:720px){.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}}
.panel{background:linear-gradient(180deg,#171c2e,#12162a);border:1px solid #2c3354;border-radius:18px;padding:1.4rem}
.tag{display:inline-block;font-family:var(--mono);font-size:.75rem;padding:.2rem .55rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);margin:0 .3rem .3rem 0}
.tag.hot{color:var(--accent);border-color:rgba(124,245,196,.4)}
.wcw dt{font-weight:800;color:var(--accent);font-family:var(--mono);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}
.wcw dd{margin:0 0 .8rem}
.checklist{list-style:none;padding:0;margin:0}
.checklist li{padding:.35rem 0 .35rem 1.9rem;position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:.6rem;width:1.1rem;height:1.1rem;border:2px solid var(--accent2);border-radius:4px}
.sponsor{border:1px dashed #3b4470;border-radius:var(--radius);padding:1.5rem;background:rgba(139,124,255,.06)}
.badge-demo{font-family:var(--mono);font-size:.75rem;color:var(--warn)}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.2rem 1rem;margin-bottom:.6rem}
summary{cursor:pointer;font-weight:700;padding:.8rem 0;list-style-position:outside}
details[open] summary{color:var(--accent)}

/* article */
.article h2{margin-top:2.2rem}
.article ul,.article ol{padding-left:1.3rem}
.article li{margin-bottom:.35rem}
.article blockquote{margin:1.2rem 0;padding:.8rem 1.1rem;border-left:4px solid var(--accent2);background:rgba(139,124,255,.08);border-radius:0 10px 10px 0}
.article blockquote p:last-child{margin:0}
.article hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.article li.task{list-style:none;margin-left:-1.3rem}
.meta{font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.issue-list{list-style:none;padding:0;margin:0}
.issue-list li{border-bottom:1px solid var(--line);padding:1rem 0}
.issue-list a{font-weight:700;font-size:1.1rem}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:2rem;padding:2rem 0 3rem;color:var(--muted);font-size:.92rem}
.site-footer .cols{display:grid;gap:1.2rem}
@media(min-width:720px){.site-footer .cols{grid-template-columns:2fr 1fr 1fr}}
.site-footer a{color:var(--muted)} .site-footer a:hover{color:var(--accent)}
.site-footer ul{list-style:none;padding:0;margin:0} .site-footer li{margin-bottom:.35rem}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
noscript .card{margin:1rem 0}

/* scroll + focus polish */
#result article{scroll-margin-top:5.5rem}
h2[tabindex="-1"]:focus{outline:none}
@media(max-width:719px){.site-header{position:static}#result article{scroll-margin-top:1rem}}