@font-face{font-family:"Plex Sans";src:url(fonts/IBMPlexSans-Medium.woff) format("woff");font-weight:400 500;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Sans";src:url(fonts/IBMPlexSans-SemiBold.woff) format("woff");font-weight:600 700;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(fonts/IBMPlexMono-Medium.woff) format("woff");font-weight:400 600;font-style:normal;font-display:swap}

:root{
  --bg:#121314;--panel:#1A1B1D;--lcd:#0E110A;
  --ink:#ECEADE;--soft:#C8C9BE;--mute:#9CA096;
  --accent:#E2F33A;--accent-hi:#FFFFC1;--error:#FA6254;
  --line:rgba(236,234,222,.12);
  --sans:"Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:var(--accent-hi)}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* header / footer */
.top{position:relative;z-index:2}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;padding-bottom:22px}
.brand{font-family:var(--mono);font-weight:600;font-size:15px;letter-spacing:.32em;color:var(--ink);text-decoration:none}
.top-note{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--mute)}
.foot{border-top:1px solid var(--line);margin-top:96px}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:28px;padding-bottom:36px;font-size:13px;color:var(--mute)}
.foot nav{display:flex;gap:20px;flex-wrap:wrap}
.foot a{color:var(--soft)}

/* hero */
.hero{position:relative;background-image:radial-gradient(ellipse at 50% 30%,rgba(18,19,20,.15) 0%,rgba(18,19,20,.88) 68%,var(--bg) 100%),url(img/steel.webp);background-size:cover;background-position:center top}
.hero-inner{max-width:760px;margin:0 auto;padding:24px 24px 80px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:26px}
.smiley{width:150px;filter:drop-shadow(0 0 48px rgba(226,243,58,.3));animation:drip 7s ease-in-out infinite}
@keyframes drip{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(8px) rotate(1deg)}}
.lcd{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border-radius:6px;background:var(--lcd);border:1px solid rgba(226,243,58,.25);font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:var(--accent);background-image:repeating-linear-gradient(0deg,rgba(226,243,58,.06) 0,rgba(226,243,58,.06) 1px,transparent 1px,transparent 3px)}
.cursor{animation:blink 1.1s steps(1) infinite}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
h1{margin:0;font-weight:600;font-size:clamp(48px,10vw,108px);line-height:.92;letter-spacing:-.03em}
h1 span{color:var(--accent)}
.lede{margin:0;max-width:580px;font-size:clamp(17px,2.2vw,19px);line-height:1.6;color:var(--soft)}
.price{margin:0;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--mute)}

/* form */
.signup{width:100%;max-width:560px;display:flex;flex-direction:column;gap:14px;text-align:left}
.signup label.lbl{font-size:14px;color:var(--soft)}
.row{display:flex;flex-wrap:wrap;gap:10px}
.row input[type=email]{flex:1 1 240px;min-width:0;min-height:54px;padding:0 20px;border-radius:999px;border:1px solid rgba(236,234,222,.25);background:var(--lcd);color:var(--ink);font-family:var(--mono);font-size:15px}
.row input[type=email]::placeholder{color:#6f7369}
.row input[type=email]:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(226,243,58,.18)}
.btn{min-height:54px;padding:0 30px;border-radius:999px;border:0;background:var(--accent);color:var(--bg);font-family:var(--sans);font-weight:600;font-size:16px;cursor:pointer;box-shadow:0 0 36px rgba(226,243,58,.28);transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 48px rgba(226,243,58,.4)}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.5;color:var(--soft)}
.consent input{width:20px;height:20px;margin:2px 0 0;flex:0 0 auto;accent-color:var(--accent)}
.fine{margin:0;font-size:13px;color:var(--mute)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.msg{display:none;margin:0;padding:14px 16px;border-radius:12px;font-size:15px;line-height:1.5}
.msg.ok{display:block;background:rgba(226,243,58,.1);border:1px solid rgba(226,243,58,.35);color:var(--ink)}
.msg.err{display:block;background:rgba(250,98,84,.1);border:1px solid rgba(250,98,84,.45);color:var(--ink)}

/* tour */
.tour{padding-top:24px}
.tour-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px 32px;margin-bottom:24px}
.tour-head h2,.features h2,.req h2,.faq h2{margin:0;font-size:clamp(30px,4.4vw,46px);font-weight:600;line-height:1.08;letter-spacing:-.02em}
.tour-controls{display:flex;flex-wrap:wrap;gap:12px}
.seg{display:inline-flex;gap:6px;padding:6px;border-radius:10px;background:#0b0c0d;border:1px solid var(--line)}
.key{min-height:44px;min-width:44px;padding:0 16px;border-radius:6px;border:1px solid rgba(236,234,222,.1);background:linear-gradient(#26282a,#1a1b1d);color:var(--soft);font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.14em;cursor:pointer;box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 2px 6px rgba(0,0,0,.5);position:relative}
.key:hover{color:var(--ink)}
.key[aria-pressed=true]{color:var(--accent);background:linear-gradient(#2a2e1a,#1d2012);border-color:rgba(226,243,58,.3)}
.key[aria-pressed=true]::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--accent)}
.screen{margin:0;border-radius:16px;overflow:hidden;border:1px solid rgba(236,234,222,.14);background:var(--panel);box-shadow:0 40px 120px rgba(0,0,0,.6),0 0 80px rgba(226,243,58,.07);transition:box-shadow .3s ease}
.screen[data-theme=light]{box-shadow:0 40px 120px rgba(0,0,0,.6),0 0 80px rgba(255,248,220,.1)}
.screen img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#1a1b1d;transition:opacity .2s ease}
.screen img.loading{opacity:.55}
.screen figcaption{padding:14px 18px;font-size:15px;line-height:1.5;color:var(--soft);border-top:1px solid var(--line)}
.screen figcaption b{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.14em;color:var(--accent);margin-right:10px}

/* features */
.eyebrow{margin:0 0 14px;font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--accent)}
.features{padding-top:104px}
.features h2,.req h2,.faq h2{margin-bottom:40px;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
@media (max-width:360px){.grid{grid-template-columns:1fr}}
.card{padding:24px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.card h3{margin:0 0 8px;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.card p{margin:0;font-size:16px;line-height:1.55;color:var(--soft)}

/* requirements */
.req{padding-top:104px}
.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:16px}
.req-card{padding:24px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.req-card h3{margin:0 0 18px;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.req-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:12px 20px;align-items:baseline}
.req-card dt{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--mute)}
.req-card dd{margin:0;font-size:16px;line-height:1.5;color:var(--soft)}
.req-note{margin:20px 0 0;max-width:760px;font-size:15px;line-height:1.6;color:var(--mute)}

/* faq */
.faq{padding-top:104px}
.faq details{max-width:860px;border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{position:relative;padding:20px 48px 20px 0;font-size:18px;font-weight:600;line-height:1.4;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:22px;color:var(--accent)}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--accent-hi)}
.faq details p{margin:0 0 22px;max-width:720px;font-size:16px;line-height:1.6;color:var(--soft)}
.again{margin-top:96px;padding:40px 24px;border-radius:18px;text-align:center;background:var(--lcd);border:1px solid rgba(226,243,58,.18)}
.again p{margin:0 0 20px;font-size:20px}
.again a.btn{display:inline-flex;align-items:center;text-decoration:none;color:var(--bg)}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:40px 24px 0}
.legal h1{font-size:clamp(36px,6vw,56px);margin-bottom:28px}
.legal h2{margin:40px 0 10px;font-size:22px;font-weight:600}
.legal h3{margin:24px 0 8px;font-size:17px;font-weight:600}
.legal p,.legal li{color:var(--soft);font-size:16px;line-height:1.65}
.legal address{font-style:normal;color:var(--soft);line-height:1.65}
.todo{background:rgba(250,98,84,.18);color:var(--ink);padding:0 4px;border-radius:4px}
.back{display:inline-block;margin-bottom:8px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--mute);text-decoration:none}

@media (max-width:560px){.tour-controls,.seg{width:100%}.seg .key{flex:1 1 0;padding:0 8px}.btn{width:100%}.hero-inner{padding-bottom:64px}.top-note{display:none}}
@media (prefers-reduced-motion:reduce){.smiley,.cursor{animation:none}html{scroll-behavior:auto}.btn,.screen img{transition:none}}