:root{--bg:#140b22;--bg2:#1b0f2f;--panel:#21133a;--panel2:#2a1848;--line:#3d2766;--ink:#f6efff;--mut:#c3b5df;--gold:#ffcf33;--gold2:#ffe680;--pink:#ff6bb5;--cyan:#62e4ff;--code:#0c0616;
--disp:"Black Han Sans","IBM Plex Sans KR",system-ui,sans-serif;--body:"IBM Plex Sans KR",system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;--mono:"IBM Plex Mono","IBM Plex Sans KR",ui-monospace,Consolas,"Malgun Gothic",monospace;
--chrome:linear-gradient(180deg,#fffbe6 0%,#ffe680 30%,#ffcf33 50%,#ff9d5c 54%,#ffd0e8 78%,#fff 100%)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.75 var(--body);word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--cyan);text-underline-offset:3px}
a:hover{color:var(--gold2)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:3px}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2{font-family:var(--disp);font-weight:400;line-height:1.22;letter-spacing:.005em}
h3{font-size:1.08rem;font-weight:600;line-height:1.45}
code,pre,kbd{font-family:var(--mono)}
.wrap{width:100%;max-width:1272px;margin:0 auto;padding:0 28px}
.skip{position:absolute;left:12px;top:-80px;z-index:100;background:var(--gold);color:#1a0b2e;padding:12px 18px;font-weight:600;border-radius:4px}
.skip:focus{top:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;border:2px solid var(--gold);border-radius:6px;background:var(--gold);color:#1a0b2e;font:600 1rem/1.25 var(--body);text-decoration:none;text-align:center;cursor:pointer;box-shadow:4px 4px 0 var(--pink);transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{color:#1a0b2e;background:var(--gold2);transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--pink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--pink)}
.btn.big{min-height:56px;padding:14px 30px;font-size:1.08rem}
.btn.wide{width:100%}
.btn.sm{min-height:44px;padding:8px 16px;font-size:.92rem;box-shadow:3px 3px 0 var(--pink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--cyan);box-shadow:4px 4px 0 rgba(98,228,255,.28)}
.btn.ghost:hover{background:rgba(98,228,255,.12);color:#fff;box-shadow:6px 6px 0 rgba(98,228,255,.28)}
.btn.ghost.sm{box-shadow:3px 3px 0 rgba(98,228,255,.28)}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(20,11,34,.93);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.hd::after{content:"";display:block;height:7px;background:linear-gradient(var(--gold) 0 2px,transparent 2px 3px,var(--pink) 3px 5px,transparent 5px 6px,var(--cyan) 6px 7px)}
.hd-in{display:flex;align-items:center;gap:22px;min-height:70px}
.logo{display:inline-flex;align-items:center;gap:11px;min-height:44px;text-decoration:none;color:var(--ink);font:400 1.32rem/1 var(--disp);letter-spacing:.02em;min-width:0}
.logo span{background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:4px 0}
.mark{flex:none;border-radius:8px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;color:var(--mut);text-decoration:none;font-weight:500;font-size:.97rem;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current]{color:var(--gold);border-bottom-color:var(--gold)}
.hd-cta{flex:none;min-height:44px;padding:8px 18px;font-size:.95rem;box-shadow:3px 3px 0 var(--pink)}
.burger{display:none;flex:none;width:46px;height:46px;padding:0;border:2px solid var(--line);border-radius:6px;background:var(--panel);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:20px;height:2px;background:var(--gold)}
.burger i:nth-child(2){background:var(--pink)}
.burger i:nth-child(3){background:var(--cyan)}

/* signature: sun + grid horizon */
.sun{position:absolute;display:block;border-radius:50%;background:linear-gradient(180deg,#fff3a6 0%,#ffcf33 34%,#ff8f5a 64%,#ff4fa3 100%);-webkit-mask-image:linear-gradient(#000 0 46%,transparent 46% 48%,#000 48% 56%,transparent 56% 59%,#000 59% 66%,transparent 66% 70.5%,#000 70.5% 76%,transparent 76% 82%,#000 82% 86%,transparent 86% 93.5%,#000 93.5% 96%,transparent 96%);mask-image:linear-gradient(#000 0 46%,transparent 46% 48%,#000 48% 56%,transparent 56% 59%,#000 59% 66%,transparent 66% 70.5%,#000 70.5% 76%,transparent 76% 82%,#000 82% 86%,transparent 86% 93.5%,#000 93.5% 96%,transparent 96%)}
.floor{position:absolute;left:0;right:0;bottom:0;display:block;overflow:hidden;background:linear-gradient(180deg,#3a1260 0,#1b0d33 70%,var(--bg) 100%);border-top:2px solid var(--pink);box-shadow:0 -1px 26px rgba(255,95,174,.65)}
.floor::before{content:"";position:absolute;left:-60%;right:-60%;top:0;height:520px;background-image:linear-gradient(to right,rgba(98,228,255,.6) 1.5px,transparent 1.5px),linear-gradient(to bottom,rgba(98,228,255,.6) 1.5px,transparent 1.5px);background-size:64px 44px;transform:perspective(260px) rotateX(64deg);transform-origin:50% 0;animation:drive 2.2s linear infinite}
.floor::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,var(--bg) 100%)}
@keyframes drive{to{background-position:0 44px}}

/* home hero */
.sunset{position:relative;overflow:hidden;background:radial-gradient(900px 520px at 78% 62%,rgba(255,79,163,.42),rgba(122,31,112,.22) 45%,transparent 70%),linear-gradient(180deg,#140b22 0%,#1d0e36 55%,#32124f 100%)}
.sky{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(1.4px 1.4px at 12% 18%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 31% 9%,#ffd0e8 50%,transparent 51%),radial-gradient(1.4px 1.4px at 54% 14%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 68% 7%,#bdf3ff 50%,transparent 51%),radial-gradient(1.4px 1.4px at 88% 16%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 44% 30%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 6% 42%,#ffd0e8 50%,transparent 51%)}
.sunset .sun{width:min(460px,40vw);aspect-ratio:1;right:max(6vw,calc(50% - 560px));bottom:60px}
.sunset .floor{height:170px}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:56px;align-items:end;padding-top:72px;padding-bottom:96px}
.hero-t,.hero-c{min-width:0}
.eyebrow{display:inline-block;margin-bottom:22px;padding:6px 12px;border:1px solid var(--pink);border-radius:3px;color:var(--pink);font:500 .82rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;background:rgba(20,11,34,.6)}
h1{font-size:clamp(2.05rem,4.5vw,3.7rem)}
h1 span{background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-box-decoration-break:clone;box-decoration-break:clone;filter:drop-shadow(0 3px 0 rgba(255,79,163,.55))}
.lead{margin-top:22px;font-size:1.14rem;line-height:1.75;color:var(--mut);max-width:60ch}
.bul{margin-top:26px;display:grid;gap:10px}
.bul li{position:relative;padding-left:30px;font-weight:500}
.bul li::before{content:"";position:absolute;left:0;top:.62em;width:18px;height:8px;background:linear-gradient(var(--gold) 0 2px,transparent 2px 3px,var(--pink) 3px 5px,transparent 5px 6px,var(--cyan) 6px 8px)}
.acts{display:flex;flex-wrap:wrap;gap:18px;margin-top:34px}
.hero .btn.ghost{background:rgba(20,11,34,.82)}
.try{display:inline-block;padding:5px 10px;border-radius:4px;background:rgba(12,6,22,.88);margin-bottom:10px;color:var(--gold);font:500 .82rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;text-shadow:0 1px 6px var(--bg)}
.hero-c .codebox{box-shadow:10px 10px 0 rgba(255,79,163,.5),0 30px 60px rgba(8,3,18,.6)}

/* fact ticker */
.ticker{background:var(--code);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tfacts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.tfacts>div{display:flex;flex-direction:column-reverse;justify-content:flex-end;padding:20px 18px;border-left:1px dashed var(--line);min-width:0}
.tfacts>div:first-child{border-left:0;padding-left:0}
.tfacts dd{font:400 1.75rem/1.15 var(--disp);color:var(--gold)}
.tfacts dt{margin-top:5px;color:var(--mut);font-size:.84rem;line-height:1.45}
.tf-in{margin:0 0 26px;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tf-in>div{padding:14px 12px}
.tf-in dd{font-size:1.35rem}

/* shell: column + sticky rail */
.shell{display:grid;grid-template-columns:minmax(0,1fr) 344px;grid-template-rows:auto 1fr;grid-template-areas:"top rail" "col rail";column-gap:60px;align-items:start;padding-top:56px;padding-bottom:40px}
.shell-h{grid-template-rows:auto;grid-template-areas:"col rail";padding-top:24px}
.top{grid-area:top;min-width:0;padding-bottom:38px;margin-bottom:8px;position:relative}
.top::after{content:"";position:absolute;left:0;right:0;bottom:0;height:9px;background:linear-gradient(var(--gold) 0 3px,transparent 3px 4px,var(--pink) 4px 6px,transparent 6px 8px,var(--cyan) 8px 9px);-webkit-mask-image:linear-gradient(90deg,#000 0,#000 45%,transparent);mask-image:linear-gradient(90deg,#000 0,#000 45%,transparent)}
.col{grid-area:col;min-width:0;counter-reset:trk}
.rail{grid-area:rail;min-width:0;position:sticky;top:98px;max-height:calc(100vh - 112px);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:0 8px 10px 0}
.crumbs{display:flex;align-items:center;gap:9px;margin-bottom:20px;font:400 .82rem/1.4 var(--mono);color:var(--mut);min-width:0}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--cyan);white-space:nowrap}
.crumbs i{color:var(--pink);font-style:normal}
.crumbs span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;min-width:0}

/* rail deck */
.deck{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:7px 7px 0 rgba(255,79,163,.4)}
.win{position:relative;height:104px;overflow:hidden;background:linear-gradient(180deg,#1d0e36 0%,#5b1a6e 62%,#c93b8a 100%)}
.win .sun{width:118px;height:118px;left:50%;margin-left:-59px;top:18px}
.win .floor{height:30px;box-shadow:0 -1px 14px rgba(255,95,174,.7)}
.win .floor::before{background-size:30px 16px;animation:none;transform:perspective(90px) rotateX(58deg)}
.win .floor::after{display:none}
.deck-b{padding:22px 22px 24px}
.rail-h{font:400 1.36rem/1.3 var(--disp);color:var(--ink)}
.rail-p{margin:8px 0 18px;color:var(--mut);font-size:.95rem;line-height:1.65}
.rail-n{margin-top:18px;color:var(--mut);font-size:.84rem;line-height:1.6}
.rail-k{color:var(--gold);font:500 .8rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.rfacts{margin-top:22px;border-top:1px dashed var(--line)}
.rfacts>div{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.rfacts dt{color:var(--mut);font-size:.84rem;line-height:1.4}
.rfacts dd{font:500 .98rem/1.3 var(--mono);color:var(--gold);white-space:nowrap}
.toc{margin-top:26px;padding:20px 20px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg2)}
.toc ol{counter-reset:t}
.toc li{counter-increment:t;border-top:1px dashed var(--line)}
.toc a{display:flex;gap:12px;align-items:baseline;min-height:44px;padding:9px 0;color:var(--ink);text-decoration:none;font-size:.93rem;line-height:1.5}
.toc a::before{content:counter(t,decimal-leading-zero);flex:none;color:var(--pink);font:500 .8rem/1 var(--mono)}
.toc a:hover{color:var(--gold)}
.rail-toc{display:flex;flex-direction:column}
.rail-toc .toc{order:-1;margin:0 0 24px}

/* blocks */
.blk{padding:44px 0;min-width:0}
.blk>h2,.prose h2{font-size:clamp(1.55rem,2.6vw,2.1rem);margin-bottom:26px;counter-increment:trk;color:var(--ink)}
.blk>h2::before,.prose h2::before{content:counter(trk,decimal-leading-zero);display:flex;align-items:center;gap:12px;margin-bottom:12px;color:var(--gold);font:500 .84rem/1 var(--mono);letter-spacing:.1em}
.blk>h2::after,.prose h2::after{content:"";display:block;width:76px;height:8px;margin-top:14px;background:linear-gradient(var(--gold) 0 2px,transparent 2px 3px,var(--pink) 3px 5px,transparent 5px 6px,var(--cyan) 6px 8px)}
.it{min-width:0}
.it p{margin-top:8px;color:var(--mut);font-size:.98rem;line-height:1.72}
.g-feat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;counter-reset:f}
.g-feat .it{position:relative;counter-increment:f;padding:26px 24px 24px;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.g-feat .it::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--gold),var(--pink) 60%,var(--cyan))}
.g-feat .it::after{content:counter(f,decimal-leading-zero);position:absolute;right:16px;top:14px;font:400 2.3rem/1 var(--disp);color:rgba(255,207,51,.16)}
.g-feat .it:nth-child(even){transform:translateY(20px)}
.g-feat h3{padding-right:52px;color:#fff}
.feat{padding-bottom:64px}
.g-steps{display:grid;gap:0;counter-reset:s}
.g-steps .it{counter-increment:s;display:grid;grid-template-columns:84px minmax(0,1fr);column-gap:22px;padding:24px 0;border-top:1px dashed var(--line)}
.g-steps .it:last-child{border-bottom:1px dashed var(--line)}
.g-steps .it::before{content:counter(s);grid-row:1/span 2;align-self:start;font:400 4.3rem/.9 var(--disp);background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(3px 3px 0 rgba(255,79,163,.6))}
.g-steps h3,.g-steps p{grid-column:2}
.g-steps h3{font-size:1.16rem;color:#fff}
.g-uses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.g-uses .it{padding:20px 22px;background:var(--bg2);border-left:4px solid var(--cyan);border-radius:0 10px 10px 0}
.g-uses .it:nth-child(4n+2),.g-uses .it:nth-child(4n+3){border-left-color:var(--pink)}
.g-ben{margin:30px 0 26px}
.g-ben .it{border-left-color:var(--gold)}
.g-ben .it:nth-child(4n+2),.g-ben .it:nth-child(4n+3){border-left-color:var(--pink)}
.g-ex{display:grid;gap:18px;counter-reset:x}
.g-ex .it{counter-increment:x;position:relative;padding:22px 24px 22px 84px;background:var(--panel);border:1px solid var(--line);border-radius:10px}
.g-ex .it::before{content:counter(x,upper-alpha);position:absolute;left:22px;top:20px;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(180deg,var(--gold2),var(--gold) 45%,var(--pink));color:#1a0b2e;font:400 1.3rem/1 var(--disp)}

/* prose */
.prose{max-width:76ch}
.prose h2{margin-top:52px}
.prose>h2:first-child{margin-top:0}
.prose h3{margin:32px 0 10px;font-size:1.2rem;color:var(--gold2)}
.prose p{margin:0 0 18px;color:#e6dcf7}
.prose ul,.prose ol{margin:0 0 20px;padding-left:4px}
.prose li{position:relative;padding-left:28px;margin-bottom:9px;color:#e6dcf7}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:14px;height:3px;background:var(--pink);box-shadow:0 4px 0 var(--cyan)}
.prose ol{counter-reset:o}
.prose ol>li{counter-increment:o}
.prose ol>li::before{content:counter(o);position:absolute;left:0;top:.28em;color:var(--gold);font:500 .86rem/1.5 var(--mono)}
.prose strong{color:#fff;font-weight:600}
.prose :not(pre)>code,.ep code,.keyout code{padding:2px 7px;border-radius:4px;background:var(--panel2);color:var(--gold2);font-size:.88em;word-break:break-all}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 24px;font-size:.94rem;border:1px solid var(--line);border-radius:8px}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;min-width:120px}
.prose th{background:var(--panel2);color:var(--gold);font:500 .82rem/1.5 var(--mono);letter-spacing:.04em}
.prose tr:last-child td{border-bottom:0}
.prose blockquote{margin:0 0 20px;padding:14px 20px;border-left:4px solid var(--pink);background:var(--bg2)}

/* code */
pre.code{position:relative;margin:0 0 24px;padding:58px 20px 20px;background:var(--code);border:1px solid var(--line);border-radius:10px;overflow-x:auto;max-width:100%;color:#efe7ff;font-size:.87rem;line-height:1.7;word-break:normal;overflow-wrap:normal;white-space:pre;-webkit-overflow-scrolling:touch}
pre.code::before{content:"";position:absolute;left:18px;top:21px;width:10px;height:10px;border-radius:50%;background:var(--pink);box-shadow:18px 0 0 var(--gold),36px 0 0 var(--cyan)}
pre.code code{font-size:inherit}
pre.code .k{color:#ff8cc6}
pre.code .s{color:#ffe08a}
pre.code .c{color:#9f90c4;font-style:italic}
.copy{position:absolute;right:8px;top:7px;min-width:64px;min-height:44px;padding:6px 14px;border:1px solid var(--line);border-radius:6px;background:var(--panel2);color:var(--gold2);font:500 .8rem/1 var(--mono);cursor:pointer}
.copy:hover{border-color:var(--gold);color:#fff}
.codebox{background:var(--code);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0}
.codetabs{display:flex;gap:0;background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto}
.codetabs button{flex:1 0 auto;min-height:48px;padding:0 20px;border:0;border-right:1px solid var(--line);border-bottom:3px solid transparent;background:transparent;color:var(--mut);font:500 .86rem/1 var(--mono);letter-spacing:.05em;text-transform:uppercase;cursor:pointer}
.codetabs button:last-child{border-right:0}
.codetabs button:hover{color:#fff}
.codetabs button[aria-selected="true"]{color:var(--gold);border-bottom-color:var(--gold);background:var(--code)}
.codebox pre.code{margin:0;border:0;border-radius:0}

/* faq */
.qa details{border-top:1px dashed var(--line)}
.qa details:last-child{border-bottom:1px dashed var(--line)}
.qa summary{position:relative;display:flex;align-items:center;min-height:60px;padding:14px 52px 14px 0;font-weight:600;font-size:1.05rem;line-height:1.5;cursor:pointer;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:8px;top:50%;width:18px;height:18px;margin-top:-9px;background:linear-gradient(var(--gold),var(--gold)) center/100% 3px no-repeat,linear-gradient(var(--gold),var(--gold)) center/3px 100% no-repeat;transition:transform .2s}
.qa details[open] summary{color:var(--gold2)}
.qa details[open] summary::after{transform:rotate(45deg)}
.qa details p{padding:0 40px 22px 0;color:var(--mut)}

/* outro band */
.outro-in{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;padding:34px 34px 38px;border:1px solid var(--pink);border-radius:10px;background:radial-gradient(520px 220px at 100% 100%,rgba(255,79,163,.36),transparent 70%),var(--panel);overflow:hidden}
.outro-in>div{flex:1 1 300px;min-width:0}
.outro h2{font-size:clamp(1.45rem,2.4vw,1.9rem);background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent}
.outro p{margin-top:10px;color:var(--mut)}
.outro .btn{flex:none}

/* key page */
.page-key .shell{grid-template-columns:minmax(0,1fr) 468px;column-gap:64px;padding-top:44px}
.rail-key{max-height:none;overflow:visible;padding:0 8px 10px 0}
.rail-key .win{height:84px}
.rail-key .win .sun{top:12px}
.rail-key .rail-p{margin-bottom:6px}
.form{margin-top:16px}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--code)}
.tabs2 button{min-height:44px;padding:6px 10px;border:0;border-radius:5px;background:transparent;color:var(--mut);font:600 .95rem/1.25 var(--body);cursor:pointer}
.tabs2 button[aria-selected="true"]{background:var(--panel2);color:var(--gold);box-shadow:inset 0 -3px 0 var(--gold)}
.tabs2[hidden],.form form[hidden]{display:none}
.msg{margin-top:14px;padding:11px 14px;border-radius:6px;border:1px solid var(--cyan);background:rgba(98,228,255,.1);color:#e9fbff;font-size:.93rem;line-height:1.55}
.msg:empty{display:none}
.msg.err{border-color:#ff7d9c;background:rgba(255,70,120,.16);color:#ffd9e3}
.row{margin-top:16px}
.row label,.calc label{display:block;margin-bottom:7px;color:var(--mut);font:500 .8rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.row input,.calc input{display:block;width:100%;min-height:50px;padding:10px 14px;border:1px solid var(--line);border-bottom:3px solid var(--cyan);border-radius:6px;background:var(--code);color:#fff;font:400 1.02rem/1.3 var(--mono)}
.row input:focus,.calc input:focus{outline:3px solid var(--cyan);outline-offset:2px;border-bottom-color:var(--gold)}
.note{margin-top:8px;color:var(--mut);font-size:.84rem;line-height:1.55}
.form form>.btn{width:100%;min-height:54px;margin-top:20px;font-size:1.02rem}
.keyout{display:none;margin-top:8px}
.keyout.on{display:block}
.keyout h3{font:400 1.25rem/1.3 var(--disp);color:var(--gold)}
.keybox{display:flex;align-items:center;gap:12px;margin-top:12px;padding:12px 12px 12px 16px;border:2px dashed var(--gold);border-radius:8px;background:var(--code)}
.keybox span{flex:1;min-width:0;font:500 .95rem/1.5 var(--mono);color:var(--gold2);word-break:break-all}
.keybox .btn{flex:none}
.keyout p{margin-top:14px;font-size:.93rem;line-height:1.9;color:var(--ink)}
.keyout p.note{line-height:1.55;color:var(--mut);font-size:.84rem}
.keyout .mut{color:var(--mut)}
.acts{align-items:center}
.keyout .acts{gap:12px;margin-top:18px}

/* pricing */
.board{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-top:34px}
.board>div{grid-column:span 2;display:flex;flex-direction:column-reverse;justify-content:flex-end;padding:18px 18px 16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;min-width:0}
.board>div:nth-child(-n+2){grid-column:span 3;padding:24px 24px 22px;border-color:var(--pink);background:radial-gradient(300px 140px at 100% 100%,rgba(255,79,163,.3),transparent 70%),var(--panel)}
.board dd{font:400 1.7rem/1.1 var(--disp);color:var(--gold)}
.board>div:nth-child(-n+2) dd{font-size:clamp(2.4rem,5vw,3.4rem);background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(3px 3px 0 rgba(255,79,163,.55))}
.board dt{margin-top:8px;color:var(--mut);font-size:.86rem;line-height:1.45}
.calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:7px 7px 0 rgba(98,228,255,.25)}
.calc>div{min-width:0}
.calc>div:last-child{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding-top:18px;border-top:1px dashed var(--line)}
.calc>div:last-child label{margin:0}
.calc output{font:400 clamp(2.2rem,5vw,3.2rem)/1.1 var(--disp);background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(3px 3px 0 rgba(255,79,163,.55))}
.sub{margin-top:22px;color:var(--mut);font-size:.95rem}

/* docs / article */
.ep{display:grid;gap:10px;margin-top:28px}
.ep>div{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px}
.ep dt{color:var(--mut);font:500 .8rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;min-width:92px}
.stamp{margin-top:22px;color:var(--mut);font:400 .84rem/1.4 var(--mono)}
.stamp time{color:var(--gold)}
.take{margin:30px 0 14px;padding:28px 28px 22px;background:var(--panel);border:1px solid var(--gold);border-radius:10px;box-shadow:7px 7px 0 rgba(255,207,51,.22)}
.take>h2{font-size:1.4rem;margin-bottom:16px}
.take>h2::after{display:none}
.take li{position:relative;padding:11px 0 11px 34px;border-top:1px dashed var(--line);line-height:1.65}
.take li::before{content:"";position:absolute;left:2px;top:1.25em;width:0;height:0;border:7px solid transparent;border-left:11px solid var(--gold)}
.page-article .prose{font-size:1.06rem;line-height:1.85}

/* 404 */
.nf{min-height:74vh;display:flex;align-items:center}
.nf-in{position:relative;padding-top:60px;padding-bottom:210px}
.nf-n{font:400 clamp(5rem,16vw,10rem)/.9 var(--disp);background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(5px 5px 0 rgba(255,79,163,.6));margin-bottom:18px}

/* footer */
.ft{position:relative;margin-top:60px;background:var(--code)}
.ft-floor{position:relative;height:74px;overflow:hidden;border-top:2px solid var(--pink);box-shadow:0 -1px 24px rgba(255,95,174,.5);background:linear-gradient(180deg,#3a1260,var(--code))}
.ft-floor::before{content:"";position:absolute;left:-60%;right:-60%;top:0;height:300px;background-image:linear-gradient(to right,rgba(98,228,255,.5) 1.5px,transparent 1.5px),linear-gradient(to bottom,rgba(98,228,255,.5) 1.5px,transparent 1.5px);background-size:64px 34px;transform:perspective(200px) rotateX(62deg);transform-origin:50% 0}
.ft-floor::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,var(--code))}
.ft-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:28px 56px;padding-top:26px;padding-bottom:44px}
.ft-t{margin-top:10px;color:var(--mut);font:400 .84rem/1.6 var(--mono)}
.ft-l{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.ft-l a{display:flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;border-bottom:1px dashed var(--line);font-size:.95rem}
.ft-l a:hover{color:var(--gold)}
.ft-n{grid-column:1/-1;color:var(--mut);font-size:.84rem;line-height:1.6}
.dock{display:none}

@media (max-width:1100px){
.shell{grid-template-columns:minmax(0,1fr) 304px;column-gap:40px}
.page-key .shell{grid-template-columns:minmax(0,1fr) 420px;column-gap:40px}
.tfacts dd{font-size:1.45rem}
}
@media (max-width:920px){
body{font-size:16.5px}
.wrap{padding:0 20px}
.hd-in{gap:12px;min-height:64px}
.burger{display:flex;order:3}
.hd-cta{margin-left:auto}
.nav{display:none;position:absolute;left:0;right:0;top:100%;margin:0;padding:10px 20px 18px;flex-direction:column;align-items:stretch;gap:0;background:var(--panel);border-bottom:2px solid var(--pink);box-shadow:0 20px 40px rgba(8,3,18,.7)}
.nav.open{display:flex}
.nav a{min-height:50px;border-bottom:1px dashed var(--line);padding:0 4px;font-size:1.02rem}
.hero{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:44px;padding-bottom:84px}
.sunset .sun{width:290px;right:-50px;bottom:96px;opacity:.75}
.sunset .floor{height:120px}
.tfacts{grid-template-columns:repeat(2,minmax(0,1fr))}
.tfacts>div{border-left:0;border-top:1px dashed var(--line);padding:14px 12px 14px 0}
.tfacts>div:nth-child(-n+2){border-top:0}
.tfacts>div:last-child:nth-child(odd){grid-column:1/-1}
.tf-in{grid-template-columns:repeat(2,minmax(0,1fr))}
.shell,.page-key .shell{display:block;padding-top:32px}
.shell-h{padding-top:8px}
.top{padding-bottom:30px;margin-bottom:26px}
.rail{position:static;max-height:none;overflow:visible;padding:0;margin:10px 0 26px}
.rail-key{margin:0 0 20px}
.deck{box-shadow:5px 5px 0 rgba(255,79,163,.4)}
.blk{padding:34px 0}
.feat{padding-bottom:40px}
.ft-in{grid-template-columns:minmax(0,1fr)}
body:not(.page-key):not(.page-404){padding-bottom:78px}
.dock{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 20px 12px;background:rgba(20,11,34,.96);border-top:2px solid var(--pink)}
.dock .btn{min-height:50px;box-shadow:3px 3px 0 var(--pink)}
}
@media (max-width:620px){
.g-feat,.g-uses{grid-template-columns:minmax(0,1fr)}
.g-feat .it:nth-child(even){transform:none}
.g-steps .it{grid-template-columns:58px minmax(0,1fr);column-gap:14px}
.g-steps .it::before{font-size:3.2rem}
.board{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.board>div,.board>div:nth-child(-n+2){grid-column:span 1;padding:16px 14px}
.board>div:last-child:nth-child(odd){grid-column:1/-1}
.board dd{font-size:1.45rem}
.calc{grid-template-columns:minmax(0,1fr);padding:20px}
.g-ex .it{padding:74px 20px 20px}
.outro-in{padding:26px 22px 30px}
.outro .btn{width:100%}
.acts .btn.big{flex:1 1 100%}
.deck-b{padding:20px 18px 22px}
.rail-key .win{height:60px}
.rail-key .win .sun{width:90px;height:90px;margin-left:-45px;top:10px}
.rail-key .win .floor{height:20px}
.take{padding:22px 20px 16px}
.qa details p{padding-right:0}
.logo{font-size:1.1rem;gap:8px}
.hd-cta{padding:8px 12px;font-size:.88rem}
pre.code{font-size:.8rem;padding-left:16px;padding-right:16px}
.ft-l{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:400px){
.wrap{padding:0 16px}
.logo span{max-width:118px}
.mark{width:30px;height:30px}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}