@font-face{font-family:Geist;src:url(/assets/fonts/Geist-Regular.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Geist;src:url(/assets/fonts/Geist-Medium.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Geist;src:url(/assets/fonts/Geist-SemiBold.woff2) format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Geist;src:url(/assets/fonts/Geist-Bold.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Geist;src:url(/assets/fonts/Geist-Black.woff2) format('woff2');font-weight:900;font-display:swap}
@font-face{font-family:'Geist Mono';src:url(/assets/fonts/GeistMono-Regular.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Geist Mono';src:url(/assets/fonts/GeistMono-Medium.woff2) format('woff2');font-weight:500;font-display:swap}

:root{
  --bg:#05070D; --bg2:#0A0E18; --panel:#0E1422; --panel2:#121A2B; --line:#1C2538; --line2:#26324A;
  --ink:#EAF0FA; --mute:#93A0B8; --dim:#5F6B82;
  --cyan:#3FD8FF; --blue:#4D7CFF; --violet:#8B6CFF; --green:#3DDC97; --amber:#FFB547; --red:#FF5C6C;
  --term:#0B0E14; --radius:16px; --max:1180px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 Geist,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:radial-gradient(900px 600px at 12% -10%,rgba(77,124,255,.16),transparent 60%),radial-gradient(800px 600px at 100% 0%,rgba(139,108,255,.12),transparent 60%)}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(34px,5.2vw,62px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700}
h3{font-size:21px;font-weight:650}
p{margin:0 0 1em}
code,pre,kbd{font-family:'Geist Mono',ui-monospace,Menlo,monospace}
:not(pre)>code{background:var(--panel2);border:1px solid var(--line);padding:.1em .4em;border-radius:6px;font-size:.88em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.muted{color:var(--mute)} .dim{color:var(--dim)}
.eyebrow{font:600 12px/1 Geist;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;display:inline-block}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:99;background:var(--cyan);color:#000;padding:8px 12px;border-radius:8px}

/* header */
.site-h{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.4) blur(14px);background:rgba(5,7,13,.72);border-bottom:1px solid rgba(255,255,255,.06)}
.site-h .wrap{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand .mark{width:30px;height:30px;border-radius:9px;background:conic-gradient(from 210deg,var(--cyan),var(--blue),var(--violet),var(--cyan));display:grid;place-items:center;color:#05070D;font-weight:900;font-size:15px}
.brand small{display:block;font-weight:500;color:var(--mute);font-size:11px;letter-spacing:.04em;margin-top:-2px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--mute);padding:8px 12px;border-radius:10px;font-size:15px;font-weight:500}
.nav a:hover,.nav a[aria-current=page]{color:var(--ink);background:rgba(255,255,255,.05);text-decoration:none}
.nav .btn{margin-left:6px}
.nav a.btn-p,.nav a.btn-p:hover{color:#04101C;background:linear-gradient(135deg,var(--cyan),var(--blue));padding:9px 14px}
.search-btn{background:var(--panel);border:1px solid var(--line);color:var(--mute);border-radius:10px;padding:7px 12px;font:500 14px Geist;cursor:pointer;display:flex;gap:8px;align-items:center}
.search-btn kbd{font-size:11px;border:1px solid var(--line2);border-radius:5px;padding:1px 5px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line2);color:var(--ink);border-radius:10px;padding:7px 10px;font:600 14px Geist}
@media(max-width:940px){
  .nav{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 16px 16px}
  .nav.open{display:flex}.nav a{padding:12px}.menu-btn{display:block}.nav .btn{margin:6px 0 0}
  .search-btn kbd{display:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 Geist;padding:13px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-p{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04101C;box-shadow:0 8px 30px -8px rgba(63,216,255,.55)}
.btn-s{background:rgba(255,255,255,.04);color:var(--ink);border-color:var(--line2)}
.btn-s:hover{background:rgba(255,255,255,.08)}
.btn-sm{padding:9px 14px;font-size:14px;border-radius:10px}
.btn-buy{background:linear-gradient(135deg,var(--amber),#FF8A3D);color:#1A0E00;box-shadow:0 8px 30px -8px rgba(255,181,71,.5)}

/* hero */
.hero{padding:84px 0 56px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1 .grad{background:linear-gradient(100deg,var(--cyan),var(--blue) 45%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:20px;color:var(--mute);max-width:600px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}
.proof{display:flex;gap:22px;flex-wrap:wrap;color:var(--mute);font-size:14px}
.proof b{color:var(--ink);font-weight:650}
.portrait{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow);aspect-ratio:4/4.3}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.portrait .tag{position:absolute;left:14px;bottom:14px;right:14px;background:rgba(5,7,13,.78);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:12px 14px;font-size:14px}
.portrait .tag b{display:block;font-size:16px}
@media(max-width:900px){.hero{padding:44px 0 30px}.hero-grid{grid-template-columns:1fr;gap:30px}.portrait{max-width:420px}}

/* sections */
section{padding:56px 0}
.sec-h{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.sec-h p{color:var(--mute);margin:0;max-width:620px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;transition:border-color .2s,transform .2s}
a.card{color:inherit;display:block}
a.card:hover{text-decoration:none;border-color:var(--line2);transform:translateY(-2px)}
.card h3{margin-bottom:8px}
.card p{color:var(--mute);font-size:15.5px;margin:0}
.card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pill{display:inline-flex;align-items:center;gap:6px;font:600 12px/1 Geist;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line2);color:var(--mute)}
.pill.c{color:var(--cyan);border-color:rgba(63,216,255,.3);background:rgba(63,216,255,.07)}
.pill.g{color:var(--green);border-color:rgba(61,220,151,.3);background:rgba(61,220,151,.07)}
.pill.a{color:var(--amber);border-color:rgba(255,181,71,.3);background:rgba(255,181,71,.07)}
.pill.v{color:var(--violet);border-color:rgba(139,108,255,.35);background:rgba(139,108,255,.08)}
.card .icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;background:rgba(63,216,255,.08);border:1px solid rgba(63,216,255,.2);color:var(--cyan);font-weight:800}

.ep-card{padding:0;overflow:hidden}
.ep-card .thumb{aspect-ratio:16/9;background:var(--panel2);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.ep-card .thumb img{width:100%;height:100%;object-fit:cover}
.ep-card .thumb .soon{position:absolute;inset:0;display:grid;place-items:center;font:700 13px Geist;letter-spacing:.2em;color:var(--mute);background:repeating-linear-gradient(135deg,rgba(255,255,255,.02) 0 12px,transparent 12px 24px)}
.ep-card .body{padding:18px 20px 20px}

.product{display:flex;flex-direction:column}
.product .cover{border-radius:12px;overflow:hidden;border:1px solid var(--line);margin:-6px -6px 16px;aspect-ratio:4/3;background:radial-gradient(120% 90% at 50% 0%,rgba(63,216,255,.16),transparent 60%),radial-gradient(90% 80% at 100% 100%,rgba(139,108,255,.18),transparent 60%),#0A1222;position:relative}
.product .cover img{position:absolute;top:8%;left:50%;height:84%;width:auto;max-width:84%;transform:translateX(-50%);object-fit:contain;border-radius:4px;box-shadow:0 18px 40px -12px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08);transition:transform .25s}
.product:hover .cover img{transform:translateX(-50%) translateY(-3px) rotate(-1deg)}
.product .price{margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.price b{font-size:22px}
.price s{color:var(--dim);font-size:14px;margin-left:6px}

/* page header */
.ph{padding:64px 0 30px;border-bottom:1px solid rgba(255,255,255,.05)}
.ph p.lead{font-size:19px;color:var(--mute);max-width:760px}
.crumbs{font-size:14px;color:var(--dim);margin-bottom:18px}.crumbs a{color:var(--mute)}

/* article */
.prose{max-width:780px}
.prose h2{margin-top:2em}.prose h3{margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.2em}.prose li{margin:.35em 0}
.prose blockquote{margin:1.4em 0;padding:14px 18px;border-left:3px solid var(--cyan);background:rgba(63,216,255,.05);border-radius:0 12px 12px 0;color:#cfe6f5}

.two{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}
.sticky{position:sticky;top:90px}
@media(max-width:980px){.two{grid-template-columns:minmax(0,1fr)}.sticky{position:static}}

.ticks{list-style:none;padding:0;margin:0}
.ticks li{position:relative;padding-left:30px;margin:10px 0}
.ticks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:6px;background:rgba(61,220,151,.12);border:1px solid rgba(61,220,151,.4)}
.ticks li::after{content:"";position:absolute;left:6px;top:8px;width:6px;height:9px;border:solid var(--green);border-width:0 2px 2px 0;transform:rotate(45deg)}
.toc{counter-reset:t;list-style:none;padding:0;margin:0}
.toc li{counter-increment:t;display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);color:#d5ddeb}
.toc li::before{content:counter(t,decimal-leading-zero);font:500 13px 'Geist Mono';color:var(--cyan);padding-top:3px;min-width:22px}

/* terminal */
.term{background:var(--term);border:1px solid #1d2433;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);margin:18px 0}
.term-bar{height:38px;background:#151a25;display:flex;align-items:center;padding:0 14px;gap:8px;position:relative}
.term-bar i{width:11px;height:11px;border-radius:50%;display:block}
.term-bar i:nth-child(1){background:#FF5F57}.term-bar i:nth-child(2){background:#FEBC2E}.term-bar i:nth-child(3){background:#28C840}
.term-bar span{position:absolute;left:0;right:0;text-align:center;font-size:12.5px;color:#8a93a6;pointer-events:none}
.term-bar .copy{margin-left:auto;position:relative;z-index:1;background:none;border:1px solid #2a3244;color:#9aa6bb;border-radius:8px;font:500 12px Geist;padding:4px 9px;cursor:pointer}
.term-bar .copy:hover{color:#fff;border-color:#3a4560}
.term pre{margin:0;padding:16px 18px;overflow-x:auto;font-size:13.5px;line-height:1.6;color:#D7DEEA}
.term .p{color:var(--green);font-weight:500}.term .t{color:#58C7FF}.term .cmd{color:#fff}
.term .o{color:#c6cfdc}.term .e{color:#FF6B76}.term .w{color:#FFC266}.term .ok{color:#5BE49B}
.step{margin:34px 0}
.step h3{display:flex;gap:12px;align-items:baseline}
.step h3 .n{font:500 13px 'Geist Mono';color:var(--cyan);border:1px solid rgba(63,216,255,.3);border-radius:8px;padding:2px 7px}
.note{border:1px solid var(--line2);background:var(--panel);border-radius:14px;padding:16px 18px;color:#cfd8e6;font-size:15.5px}
.note.warn{border-color:rgba(255,181,71,.35);background:rgba(255,181,71,.06)}
.note.good{border-color:rgba(61,220,151,.35);background:rgba(61,220,151,.06)}
.files{display:flex;flex-wrap:wrap;gap:8px}
.files a{font:500 13.5px 'Geist Mono';background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:7px 11px;color:#cfe3ff}

/* Q&A */
.qa{border:1px solid var(--line);border-radius:14px;background:var(--panel);margin:14px 0;overflow:hidden}
.qa summary{cursor:pointer;list-style:none;padding:18px 20px;font-weight:600;display:flex;gap:14px;align-items:flex-start}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";margin-left:auto;color:var(--cyan);font-size:22px;line-height:1}
.qa[open] summary::after{content:"–"}
.qa .ans{padding:0 20px 18px;border-top:1px solid var(--line)}
.turn{display:flex;gap:12px;margin:14px 0}
.turn .who{flex:0 0 auto;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font:700 13px Geist;margin-top:2px}
.turn.R .who{background:rgba(63,216,255,.14);color:var(--cyan)}
.turn.C .who{background:rgba(139,108,255,.16);color:var(--violet)}
.turn p{margin:0;color:#d6deeb}
.turn.R p{color:#bfd4e6;font-style:italic}

/* forms */
.form{display:flex;gap:10px;flex-wrap:wrap}
.form input[type=email]{flex:1 1 220px;min-width:0;background:#0A0F1A;border:1px solid var(--line2);color:var(--ink);border-radius:12px;padding:13px 14px;font:500 15px Geist}
.form input[type=email]:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,216,255,.15)}
.form .msg{flex-basis:100%;font-size:14px;color:var(--mute);min-height:1.2em}
.form .msg.ok{color:var(--green)}.form .msg.err{color:var(--red)}
.fine{font-size:13px;color:var(--dim);margin-top:8px}

.buybox{border:1px solid rgba(255,181,71,.3);background:linear-gradient(180deg,rgba(255,181,71,.07),rgba(255,181,71,.02));border-radius:18px;padding:22px}
.buybox .big{font-size:38px;font-weight:800;letter-spacing:-.02em}
.getbox{border:1px solid rgba(63,216,255,.28);background:linear-gradient(180deg,rgba(63,216,255,.07),rgba(63,216,255,.02));border-radius:18px;padding:22px}

.shots{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.shots img{border-radius:10px;border:1px solid var(--line);background:#fff}
.chapters{list-style:none;padding:0;margin:0;columns:2;column-gap:28px}
.chapters li{break-inside:avoid;padding:6px 0;border-bottom:1px dashed var(--line);font-size:15px}
.chapters code{color:var(--cyan);background:none;border:0;padding:0;margin-right:8px}
@media(max-width:640px){.chapters{columns:1}.shots{grid-template-columns:1fr}}
.video{aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid var(--line2);background:#000;box-shadow:var(--shadow)}
.video iframe{width:100%;height:100%;border:0}
.video .ph-img{position:relative;width:100%;height:100%}
.video .ph-img img{width:100%;height:100%;object-fit:cover;opacity:.55}
.video .ph-img a{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-weight:700}

/* cta band */
.band{border:1px solid var(--line2);border-radius:22px;padding:34px;background:radial-gradient(600px 300px at 0% 0%,rgba(63,216,255,.12),transparent 60%),radial-gradient(600px 300px at 100% 100%,rgba(139,108,255,.14),transparent 60%),var(--panel);display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
@media(max-width:820px){.band{grid-template-columns:1fr;padding:24px}}

/* footer */
.site-f{border-top:1px solid rgba(255,255,255,.06);margin-top:60px;padding:46px 0 34px;color:var(--mute);font-size:14.5px}
.site-f .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
.site-f h4{color:var(--ink);font-size:14px;margin-bottom:12px}
.site-f a{color:var(--mute);display:block;padding:3px 0}.site-f a:hover{color:var(--ink)}
.site-f .base{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--dim)}
@media(max-width:760px){.site-f .cols{grid-template-columns:1fr 1fr}}

/* search dialog */
dialog.search{border:1px solid var(--line2);background:var(--bg2);color:var(--ink);border-radius:18px;padding:0;width:min(680px,94vw);box-shadow:0 40px 120px -20px rgba(0,0,0,.9)}
dialog.search::backdrop{background:rgba(2,4,8,.7);backdrop-filter:blur(4px)}
dialog.search input{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--ink);padding:18px 20px;font:500 18px Geist;outline:none}
dialog.search ul{list-style:none;margin:0;padding:8px;max-height:60vh;overflow:auto}
dialog.search li a{display:block;padding:11px 14px;border-radius:10px;color:var(--ink)}
dialog.search li a:hover,dialog.search li a.sel{background:rgba(63,216,255,.08);text-decoration:none}
dialog.search li small{display:block;color:var(--mute);font-size:13px}
dialog.search .empty{padding:20px;color:var(--mute)}
.kicker{font:600 11px Geist;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.anchor{scroll-margin-top:90px}

/* cheat sheets */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
table.cs{width:100%;border-collapse:collapse;font-size:14.5px}
table.cs td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--mute)}
table.cs tr:last-child td{border-bottom:0}
table.cs td:first-child{color:var(--ink);width:58%}
table.cs code{white-space:pre-wrap;word-break:break-word;font-size:13px}
@media(max-width:700px){table.cs td{display:block;width:auto!important;border:0;padding:4px 14px}table.cs tr{display:block;padding:8px 0;border-bottom:1px solid var(--line)}}
code,pre,kbd,.term{font-variant-ligatures:none;font-feature-settings:"liga" 0,"calt" 0}
.prose>h2:first-child{margin-top:0}
/* quiz */
.qq{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:18px 20px 14px;margin:0 0 14px}
.qq legend{float:left;width:100%;font-weight:600;color:var(--ink);margin-bottom:12px;display:flex;gap:12px}
.qq legend .n{font:500 13px 'Geist Mono';color:var(--cyan);padding-top:3px}
.qopt{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--line);border-radius:10px;margin:6px 0;cursor:pointer;clear:both}
.qopt:hover{border-color:var(--line2)}
.qopt input{margin-top:4px;accent-color:var(--cyan)}
.qopt.right{border-color:rgba(61,220,151,.6);background:rgba(61,220,151,.08)}
.qopt.wrong{border-color:rgba(255,107,107,.6);background:rgba(255,107,107,.08)}
.qq .why{margin:10px 0 2px;color:var(--mute);font-size:15px}
.quiz .score{font-weight:700;color:var(--ink)}