:root{
  --bg:#000;
  --fg:#fff;
  --dim:#a8a8a8;
  --line:#3a3a3a;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* header */
header{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--mono);font-weight:800;font-size:20px;letter-spacing:-.02em}
.logo span{display:inline-block;width:.6em;height:1em;background:var(--fg);vertical-align:-.12em;margin-left:4px}
nav ul{display:flex;gap:28px;list-style:none;font-size:15px;font-weight:500}
nav a{color:var(--dim);padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current]{color:var(--fg);border-bottom-color:var(--fg)}

/* intro */
.intro{padding:90px 0 70px;border-bottom:1px solid var(--line)}
.prompt{font-family:var(--mono);color:var(--dim);font-size:15px;margin-bottom:22px}
h1{font-family:var(--mono);font-weight:800;font-size:clamp(40px,7vw,80px);line-height:1.04;letter-spacing:-.04em;max-width:14ch}
h1 .cur{display:inline-block;width:.5em;height:.82em;background:var(--fg);margin-left:.08em;vertical-align:-.04em;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.lede{max-width:56ch;color:var(--dim);font-size:20px;margin-top:28px}

/* channels */
.channels{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.ch{padding:44px 40px;display:block;transition:background .15s,color .15s}
.ch+.ch{border-left:1px solid var(--line)}
.ch small{display:block;font-size:15px;color:var(--dim);margin-bottom:10px}
.ch strong{display:block;font-family:var(--mono);font-weight:800;font-size:clamp(18px,2.4vw,26px);letter-spacing:-.02em;word-break:break-word}
.ch span{display:inline-block;margin-top:18px;font-size:15px;font-weight:500;border-bottom:1px solid currentColor}
.ch:hover{background:var(--fg);color:var(--bg)}
.ch:hover small{color:#444}

/* body */
.main{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;padding:76px 0}
h2{font-family:var(--mono);font-weight:800;font-size:26px;letter-spacing:-.02em;margin-bottom:22px}
.about p{color:var(--dim);margin-bottom:18px;max-width:46ch}
.about ul{list-style:none;margin:6px 0 24px;border-top:1px solid var(--line)}
.about li{padding:12px 0;border-bottom:1px solid var(--line);font-weight:500}
.about li small{display:block;font-weight:400;color:var(--dim);font-size:15px}

form{display:grid;gap:20px}
label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
input,select,textarea{width:100%;background:var(--bg);color:var(--fg);border:2px solid var(--fg);padding:13px 16px;font:inherit;border-radius:0}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#fff 50%),linear-gradient(135deg,#fff 50%,transparent 50%);background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat}
textarea{min-height:170px;resize:vertical}
input::placeholder,textarea::placeholder{color:#7a7a7a}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.btn{justify-self:start;background:var(--fg);color:var(--bg);border:2px solid var(--fg);padding:13px 28px;font:600 16px var(--sans);cursor:pointer}
.btn:hover{background:var(--bg);color:var(--fg)}
.small{font-size:14px;color:var(--dim)}
.small a{border-bottom:1px solid var(--dim)}
.small a:hover{color:var(--fg);border-color:var(--fg)}

/* footer */
footer{border-top:1px solid var(--line);padding:38px 0 46px;font-size:15px;color:var(--dim)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px}
footer ul{display:flex;gap:24px;list-style:none}
footer a:hover{color:var(--fg)}

@media(max-width:820px){
  .main{grid-template-columns:1fr;gap:48px;padding:56px 0}
  .intro{padding:60px 0 50px}
}
@media(max-width:620px){
  .bar{height:auto;flex-direction:column;align-items:flex-start;padding:16px 0;gap:10px}
  nav ul{gap:18px;font-size:14px}
  .channels{grid-template-columns:1fr}
  .ch+.ch{border-left:0;border-top:1px solid var(--line)}
  .ch{padding:32px 24px}
  .row{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){h1 .cur{animation:none}html{scroll-behavior:auto}}