:root{
  --bg:#f6f7fb;--panel:#fff;--ink:#14151a;--muted:#5f6473;--line:#e6e7ef;
  --brand:#5b3df5;--brand-soft:#ece9ff;--accent:#00a99d;--radius:16px;
  --shadow:0 1px 2px rgba(20,21,26,.05),0 10px 30px rgba(20,21,26,.07);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0e0f13;--panel:#16181f;--ink:#f1f2f6;--muted:#a3a8b7;--line:#262936;
        --brand:#8b7bff;--brand-soft:#221f3a;--accent:#3ddad0;
        --shadow:0 1px 2px rgba(0,0,0,.5),0 10px 30px rgba(0,0,0,.35);}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2rem,4.4vw,3.1rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.9rem)}
h3{font-size:1.05rem}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1080px,92vw);margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,247,251,.86);border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(10px)}
@media (prefers-color-scheme:dark){.site-header{background:rgba(14,15,19,.86)}}
.nav{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:1.05rem}
.logo svg{width:26px;height:26px;flex:none}
.nav-links{display:flex;gap:20px;margin-left:auto;font-size:.94rem;color:var(--muted)}
.nav-links a{padding:6px 2px}
.nav-links a:hover{color:var(--ink);text-decoration:none}
@media (max-width:720px){.nav-links{gap:14px;font-size:.86rem}.nav-links a.hide-sm{display:none}}
.hero{padding:64px 0 28px}
.eyebrow{margin:0 0 14px;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:600}
.lede{font-size:1.1rem;color:var(--muted);max-width:62ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(91,61,245,.28)}
.btn-ghost{border-color:var(--line);background:var(--panel)}
.stats{display:flex;gap:26px;flex-wrap:wrap;margin:0;padding:0;list-style:none;color:var(--muted);font-size:.9rem}
.stats strong{display:block;color:var(--ink);font-size:1.25rem;letter-spacing:-.02em}
section{padding:44px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-head p{margin:0;color:var(--muted);font-size:.95rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin:0;padding:0;list-style:none}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;transition:transform .15s ease,border-color .15s ease}
.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand) 35%,var(--line))}
.thumb{height:130px;border-radius:12px;position:relative;overflow:hidden;background:var(--brand-soft)}
.thumb::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.16) 0 10px,transparent 10px 22px)}
.t1{background:linear-gradient(135deg,#5b3df5,#00b8a9)}
.t2{background:linear-gradient(135deg,#ff7a59,#ffb347)}
.t3{background:linear-gradient(135deg,#0ea5e9,#6366f1)}
.t4{background:linear-gradient(135deg,#14b8a6,#84cc16)}
.t5{background:linear-gradient(135deg,#f43f5e,#a855f7)}
.t6{background:linear-gradient(135deg,#334155,#64748b)}
.tag{display:inline-block;padding:3px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:.75rem;font-weight:600;letter-spacing:.01em}
.card h3{margin:0}
.card p{margin:0;color:var(--muted);font-size:.92rem}
.card .meta{margin-top:auto;font-size:.8rem;color:var(--muted)}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.chips li{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:.88rem;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.steps li::before{counter-increment:s;content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:.85rem;margin-bottom:10px}
.steps h3{margin:0 0 6px}
.steps p{margin:0;color:var(--muted);font-size:.92rem}
.faq{display:grid;gap:10px;max-width:820px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:10px 0 0;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:30px 0 46px;color:var(--muted);font-size:.9rem}
.footer-row{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.page-head{padding:52px 0 8px}
.page-head p{color:var(--muted);max-width:70ch}
.prose{max-width:74ch}
.prose h2{margin-top:34px}
.prose ul{padding-left:20px;color:var(--muted)}
.prose li{margin:6px 0}
.note{padding:14px 16px;border-left:3px solid var(--brand);background:var(--panel);border-radius:0 10px 10px 0;color:var(--muted);font-size:.93rem}

/* real cover images (replaces gradient placeholders) */
img.thumb{width:100%;object-fit:cover;display:block}