:root{--bg:#172b14;--card:#203c1c;--card2:#2a4e25;--deep:#101f0d;--line:rgba(179,255,168,.18);--ink:#efffee;--mut:#c1e6bc;--pri:#b3ffa8;--pri2:#9aff8b;--pink:#b8e8ff;--butter:#c99aff;--mint:#efbea6;--dark:#172b14;--r:28px;--disp:"Quicksand","Nunito",system-ui,sans-serif;--body:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Red Hat Mono",ui-monospace,Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:20px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--body);overflow-x:hidden;
background-image:radial-gradient(620px 420px at 8% -60px,rgba(154,255,139,.30),transparent 70%),radial-gradient(520px 380px at 96% 120px,rgba(184,232,255,.16),transparent 70%);background-repeat:no-repeat}
.defs{position:absolute;width:0;height:0;overflow:hidden}
a{color:var(--pri);text-underline-offset:3px}
a:hover{color:#d3ffce}
:focus-visible{outline:3px solid var(--butter);outline-offset:3px;border-radius:12px}
h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:1.14;margin:0;letter-spacing:-.015em;overflow-wrap:break-word}
h1{font-size:clamp(2rem,3.9vw,3.25rem)}
h2{font-size:clamp(1.45rem,2.3vw,1.9rem)}
h3{font-size:1.14rem;line-height:1.3}
p{margin:0 0 1em}
code{font-family:var(--mono);font-size:.88em}
.skip{position:absolute;left:16px;top:-80px;z-index:50;background:var(--butter);color:var(--dark);padding:12px 20px;border-radius:999px;font-weight:700}
.skip:focus{top:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:10px 26px;border:0;border-radius:999px;background:linear-gradient(180deg,#c9ffc1,var(--pri2));color:var(--dark);font:700 1rem/1.2 var(--disp);text-decoration:none;cursor:pointer;box-shadow:0 10px 26px -10px rgba(154,255,139,.75),inset 0 2px 0 rgba(255,255,255,.45);transition:transform .15s,box-shadow .15s;text-align:center}
.btn:hover{color:var(--dark);transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(154,255,139,.85),inset 0 2px 0 rgba(255,255,255,.45)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:rgba(179,255,168,.12);color:var(--ink);box-shadow:inset 0 0 0 2px var(--line)}
.btn.ghost:hover{color:#ffffff;background:rgba(179,255,168,.2)}
.btn.big{min-height:58px;padding:14px 34px;font-size:1.1rem}
.btn.sm{min-height:44px;padding:8px 18px;font-size:.92rem}
.btn.wide{width:100%}
.dock{display:none}

/* header */
.top{max-width:1272px;margin:0 auto;padding:18px 16px 10px;display:flex;align-items:center;gap:18px;position:relative;z-index:20}
.logo{display:inline-flex;align-items:center;gap:11px;min-height:44px;color:var(--ink);text-decoration:none;font:700 1.02rem/1.15 var(--disp);min-width:0}
.logo span{overflow-wrap:anywhere}
.mark{width:38px;height:38px;flex:none;filter:drop-shadow(0 6px 12px rgba(154,255,139,.45))}
.nav{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav a:not(.btn){display:inline-flex;align-items:center;min-height:44px;padding:8px 18px;border-radius:999px;background:var(--card);color:var(--mut);text-decoration:none;font:600 .95rem var(--disp);box-shadow:inset 0 0 0 1px var(--line)}
.nav a:not(.btn):hover{color:#ffffff;background:var(--card2)}
.nav a[aria-current]{background:var(--ink);color:var(--dark);box-shadow:none}
.nav a[aria-current]:hover{color:var(--dark);background:#ffffff}
.navcta{margin-left:8px}
.burger{display:none;margin-left:auto;width:48px;height:48px;border-radius:50%;border:0;background:var(--card2);box-shadow:inset 0 0 0 1px var(--line);cursor:pointer;flex:none;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:20px;height:3px;border-radius:3px;background:var(--pri)}
.burger i:nth-child(2){width:13px;background:var(--pink)}

/* shell */
.shell{max-width:1272px;margin:0 auto;padding:18px 16px 40px;display:grid;grid-template-columns:292px minmax(0,1fr);gap:34px;align-items:start}
main{min-width:0;display:block}
.rail{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto;scrollbar-width:thin;background:linear-gradient(180deg,var(--card2),var(--card));border-radius:72px;padding:46px 26px 44px;box-shadow:inset 0 0 0 1px var(--line),0 30px 60px -30px rgba(0,0,0,.6);min-width:0}
.rail-h{font:700 1.3rem/1.2 var(--disp);margin:0 0 8px}
.rail-p{color:var(--mut);font-size:.95rem;line-height:1.5;margin:0 0 18px}
.rail .btn+.btn{margin-top:10px}
.rail-k{font:700 .78rem var(--disp);letter-spacing:.12em;text-transform:uppercase;color:var(--pink);margin:0 0 10px}
.ladder{margin:26px 0 0;position:relative}
.rail-facts>.ladder:first-child{margin:0 0 22px}
.ladder::before{content:"";position:absolute;left:21px;top:22px;bottom:22px;border-left:3px dotted rgba(179,255,168,.4)}
.rung{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:14px;align-items:center;padding:7px 0;position:relative}
.rung .tile{grid-row:1/3;width:44px;height:44px}
.rung dt{grid-column:2;grid-row:2;color:var(--mut);font-size:.82rem;line-height:1.3}
.rung dd{grid-column:2;grid-row:1;margin:0;font:700 1.18rem/1.2 var(--disp)}
.tile{display:block}
.toc ol{list-style:none;margin:0 0 4px;padding:0}
.toc a{display:flex;align-items:center;min-height:44px;padding:8px 14px;border-radius:18px;color:var(--mut);text-decoration:none;font-size:.93rem;line-height:1.3}
.toc a:hover{background:rgba(179,255,168,.14);color:#ffffff}
.rail-cta{margin-top:22px;padding-top:22px;border-top:2px dotted rgba(179,255,168,.3)}
.rail .toc+*{margin-top:0}
.rail-facts .toc{margin-top:26px}

.mtoc{display:none}
/* sections */
.sec{margin-top:56px}
.sec>h2{margin-bottom:22px}
.lead{font-size:1.16rem;line-height:1.6;color:var(--mut);margin:18px 0 0;max-width:62ch}
.hero,.phead,.keytop{background:linear-gradient(160deg,var(--card2),var(--card) 70%);border-radius:44px;padding:44px 44px 40px;box-shadow:inset 0 0 0 1px var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 20px;padding:8px 18px;border-radius:999px;background:rgba(201,154,255,.14);color:var(--butter);font:700 .86rem var(--disp);letter-spacing:.04em}
.eyebrow::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--butter)}
.hero-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;margin-top:30px}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:34px;line-height:1.45}
.ticks li::before{content:"";position:absolute;left:0;top:.18em;width:22px;height:22px;border-radius:8px;background:var(--mint)}
.ticks li::after{content:"";position:absolute;left:7px;top:.38em;width:8px;height:12px;border:solid var(--dark);border-width:0 3px 3px 0;border-radius:1px;transform:rotate(40deg) scale(.72)}
.ticks li:nth-child(2)::before{background:var(--pink)}
.ticks li:nth-child(3)::before{background:var(--butter)}
.acts{display:flex;flex-wrap:wrap;gap:12px}
.hero .acts{flex-direction:column}
.strip{display:flex;align-items:center;gap:0;background:var(--deep);border-radius:36px;padding:16px;margin-top:34px;box-shadow:inset 0 0 0 1px var(--line)}
.st{flex:1 1 0;min-width:0;position:relative;padding:0 9px}
.st .tile{width:100%;height:auto;aspect-ratio:1}
.st+.st::before{content:"";position:absolute;left:-7px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--card2);box-shadow:0 0 0 3px var(--deep),inset 0 0 0 3px var(--pri);z-index:1}
.strip.mini{margin:0;padding:8px;border-radius:20px;width:190px}
.strip.mini .st{padding:0 3px}
.strip.mini .st+.st::before{display:none}

/* code */
.codebox{background:var(--deep);border-radius:32px;padding:12px;box-shadow:inset 0 0 0 1px var(--line);min-width:0}
.codetabs{display:flex;gap:6px;padding:4px 4px 12px;flex-wrap:wrap}
.codetabs button{min-height:44px;padding:8px 22px;border:0;border-radius:999px;background:transparent;color:var(--mut);font:700 .93rem var(--disp);cursor:pointer}
.codetabs button:hover{color:#ffffff;background:rgba(179,255,168,.12)}
.codetabs button[aria-selected=true]{background:var(--pri);color:var(--dark)}
pre.code{position:relative;margin:0 0 1.3em;background:var(--deep);border-radius:24px;box-shadow:inset 0 0 0 1px var(--line);overflow:hidden;max-width:100%}
.codebox pre.code{margin:0;background:#152a12;border-radius:22px}
pre.code code{display:block;overflow-x:auto;padding:58px 22px 22px;font:400 .86rem/1.7 var(--mono);color:#e4ffe0;white-space:pre;scrollbar-width:thin}
pre.code .k{color:var(--pink)}pre.code .s{color:var(--mint)}pre.code .c{color:#a3cf9d}
.copy{position:absolute;right:8px;top:8px;min-height:44px;padding:6px 18px;border:0;border-radius:999px;background:var(--card2);color:var(--ink);font:700 .82rem var(--disp);cursor:pointer;box-shadow:inset 0 0 0 1px var(--line)}
.copy:hover{background:var(--pri);color:var(--dark)}

/* cards */
.pc{background:var(--card);border-radius:var(--r);padding:26px 24px;box-shadow:inset 0 0 0 1px var(--line);min-width:0;position:relative}
.pc p{margin:8px 0 0;color:var(--mut);font-size:.98rem;line-height:1.55}
.feats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.feats .pc{padding-top:62px}
.feats .pc::before{content:"";position:absolute;left:24px;top:24px;width:46px;height:22px;border-radius:999px;background:var(--pri)}
.feats .pc::after{content:"";position:absolute;left:54px;top:24px;width:22px;height:22px;border-radius:50%;background:var(--card);box-shadow:inset 0 0 0 5px var(--pri)}
.feats .pc:nth-child(3n+2)::before{background:var(--pink)}.feats .pc:nth-child(3n+2)::after{box-shadow:inset 0 0 0 5px var(--pink)}
.feats .pc:nth-child(3n)::before{background:var(--butter)}.feats .pc:nth-child(3n)::after{box-shadow:inset 0 0 0 5px var(--butter)}
.feats .pc:nth-child(n+4)::before{left:46px}.feats .pc:nth-child(n+4)::after{left:24px}
.uses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.uses .pc{padding-left:84px;border-radius:40px}
.n{position:absolute;left:22px;top:24px;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--dark);font:700 1.15rem var(--disp)}
.uses .pc:nth-child(2) .n{background:var(--pink)}.uses .pc:nth-child(3) .n{background:var(--butter)}.uses .pc:nth-child(4) .n{background:var(--pri)}
.exs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.exs .pc{border-top-left-radius:8px}
.exs .pc h3{color:var(--butter)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.steps li{background:var(--card);border-radius:var(--r);padding:20px 22px 24px;box-shadow:inset 0 0 0 1px var(--line);min-width:0;position:relative}
.steps .tile{width:76px;height:76px;margin-bottom:16px}
.steps li+li::before{content:"";position:absolute;left:-27px;top:52px;width:38px;border-top:4px dotted var(--pri);z-index:1}
.steps p{margin:8px 0 0;color:var(--mut);font-size:.98rem;line-height:1.55}

/* prose */
.prose{background:var(--card);border-radius:36px;padding:14px 44px 34px;box-shadow:inset 0 0 0 1px var(--line);min-width:0}
.prose h2{margin:1.5em 0 .55em;scroll-margin-top:24px}
.prose h3{margin:1.5em 0 .5em;font-size:1.22rem}
.prose p,.prose li{color:#daf6d8}
.prose>p,.prose>ul,.prose>ol{max-width:70ch}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.1em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--pri);font-weight:700}
.prose strong{color:#ffffff}
.prose :not(pre)>code{background:rgba(179,255,168,.16);padding:2px 8px;border-radius:8px;overflow-wrap:anywhere}
.prose table{display:block;overflow-x:auto;max-width:100%;border-collapse:separate;border-spacing:0;margin:0 0 1.3em;font-size:.95rem}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--card2);font:700 .9rem var(--disp);color:var(--pri);white-space:nowrap}
.prose th:first-child{border-radius:16px 0 0 16px}.prose th:last-child{border-radius:0 16px 16px 0}
.prose blockquote{margin:0 0 1.2em;padding:16px 22px;border-radius:22px;background:var(--card2)}

/* faq */
.qa{display:grid;gap:12px}
.qa details{background:var(--card);border-radius:26px;box-shadow:inset 0 0 0 1px var(--line)}
.qa summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:62px;padding:14px 16px 14px 24px;cursor:pointer;list-style:none;font:700 1.05rem/1.35 var(--disp)}
.qa summary::-webkit-details-marker{display:none}
.qa summary i{flex:none;width:36px;height:36px;border-radius:50%;background:var(--card2);position:relative;transition:transform .2s}
.qa summary i::before,.qa summary i::after{content:"";position:absolute;left:11px;top:16.5px;width:14px;height:3px;border-radius:3px;background:var(--pri)}
.qa summary i::after{transform:rotate(90deg)}
.qa details[open] summary i{transform:rotate(45deg);background:var(--pri)}
.qa details[open] summary i::before,.qa details[open] summary i::after{background:var(--dark)}
.qa details p{margin:0;padding:0 24px 22px;color:var(--mut);max-width:74ch}

/* cta band */
.band{margin-top:56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px 28px;align-items:center;background:linear-gradient(120deg,#b9ffaf,#b9ecf3 62%,#cca3ff);color:var(--dark);border-radius:44px;padding:38px 44px}
.band h2{color:var(--dark)}
.band p{margin:8px 0 0;color:#295623;font-weight:600}
.band .btn{background:var(--dark);color:#ffffff;box-shadow:0 14px 28px -12px rgba(23,43,20,.7)}
.band .btn:hover{color:#ffffff}
.band .strip{grid-column:1/-1;grid-row:1;background:rgba(23,43,20,.85)}

/* crumbs */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 18px;font:600 .88rem var(--disp);color:var(--mut)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--pri);text-decoration:none;overflow-wrap:anywhere}
.crumbs i{width:7px;height:7px;border-radius:50%;background:var(--pink);flex:none}
.crumbs span{overflow-wrap:anywhere}
.upd{margin:18px 0 0;font:600 .88rem var(--disp);color:var(--mut)}

/* key page */
.keytop{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1fr);gap:22px 36px;align-items:start;padding:36px}
.key-form{grid-column:2;grid-row:1/3;min-width:0}
.bens{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bens li{background:rgba(16,31,13,.5);border-radius:22px;padding:14px 18px;display:grid;gap:2px}
.bens b{font:700 1rem/1.3 var(--disp)}
.bens span{color:var(--mut);font-size:.93rem;line-height:1.45}
.form{background:var(--deep);border-radius:36px;padding:26px;box-shadow:inset 0 0 0 2px rgba(179,255,168,.35),0 30px 60px -30px rgba(154,255,139,.55)}
.form .btn.ghost[data-gauth]{width:100%;min-height:52px;background:#ffffff;color:#1f3a1b;box-shadow:none}
.note{color:var(--mut);font-size:.86rem;line-height:1.45;margin:8px 0 0}
.form>.note{text-align:center;margin:10px 0 14px}
.tabs2{display:flex;gap:4px;padding:4px;background:var(--card);border-radius:999px;margin-bottom:18px}
.tabs2 button{flex:1;min-height:44px;border:0;border-radius:999px;background:transparent;color:var(--mut);font:700 .95rem var(--disp);cursor:pointer}
.tabs2 button[aria-selected=true]{background:var(--pri);color:var(--dark)}
.msg:empty{display:none}
.msg{margin:0 0 14px;padding:12px 18px;border-radius:18px;background:rgba(239,190,166,.14);color:var(--mint);font-weight:600;font-size:.95rem}
.msg.err{background:rgba(184,232,255,.16);color:#c9ecff;box-shadow:inset 0 0 0 1px rgba(184,232,255,.5)}
.row{margin-bottom:14px}
.row label{display:block;font:700 .9rem var(--disp);margin:0 0 6px 6px}
input,select,textarea{width:100%;min-height:52px;padding:12px 20px;border:2px solid rgba(179,255,168,.3);border-radius:20px;background:var(--card);color:var(--ink);font:400 1rem var(--body)}
textarea{min-height:140px;resize:vertical;border-radius:24px}
input:hover,select:hover,textarea:hover{border-color:rgba(179,255,168,.55)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--pri);box-shadow:0 0 0 4px rgba(179,255,168,.25)}
.form form .btn{width:100%;min-height:56px;font-size:1.08rem;margin-top:4px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{margin-bottom:12px;color:var(--mint)}
.keybox{display:flex;flex-wrap:wrap;align-items:center;gap:10px;background:var(--card);border-radius:22px;padding:12px 12px 12px 18px;box-shadow:inset 0 0 0 2px rgba(239,190,166,.4)}
.keybox span{flex:1 1 200px;min-width:0;font:500 .9rem/1.5 var(--mono);overflow-wrap:anywhere;color:var(--butter)}
.keyout p{font-size:.95rem;line-height:1.8;margin:12px 0}
.keyout code{overflow-wrap:anywhere;color:var(--pri)}
.mut{color:var(--mut)}
.keyout .acts{margin-top:14px}

/* pricing */
.facts5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:30px 0 0}
.facts5 .rung{display:flex;flex-direction:column;align-items:flex-start;background:rgba(16,31,13,.55);border-radius:26px;padding:16px 16px 18px}
.facts5 .rung .tile{width:54px;height:54px;margin-bottom:14px}
.facts5 dd{order:1;font-size:1.5rem}
.facts5 dt{order:2;margin-top:4px;font-size:.84rem}
.sec>.facts5{margin-top:0}
.sec>.facts5 .rung{background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.sub{margin:22px 0 0;display:inline-block;padding:10px 20px;border-radius:999px;background:rgba(239,190,166,.14);color:var(--mint);font:700 .95rem/1.4 var(--disp)}
.calc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:end;background:var(--card);border-radius:36px;padding:28px;box-shadow:inset 0 0 0 1px var(--line)}
.calc>div{min-width:0}
.calc label{display:block;font:700 .9rem/1.3 var(--disp);margin:0 0 8px 6px;color:var(--mut)}
.calc input{font-family:var(--mono)}
.calc output{display:flex;align-items:center;justify-content:center;min-height:52px;padding:6px 20px;border-radius:20px;background:linear-gradient(120deg,#c99aff,#c2ebff);color:var(--dark);font:700 1.6rem var(--disp)}

/* article */
.takes{margin-top:22px;background:linear-gradient(140deg,rgba(201,154,255,.16),rgba(184,232,255,.10));border-radius:36px;padding:28px 36px;box-shadow:inset 0 0 0 1px rgba(201,154,255,.3)}
.takes h2{font-size:1.2rem;color:var(--butter);margin-bottom:12px}
.takes ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.takes li{position:relative;padding-left:30px;line-height:1.5}
.takes li::before{content:"";position:absolute;left:0;top:.42em;width:14px;height:14px;border-radius:5px;background:var(--butter)}
.page-article .prose,.page-docs .prose,.page-privacy .prose,.page-terms .prose{margin-top:22px}
.page-article .prose{font-size:1.07rem;line-height:1.75}

/* support + 404 */
.supp{margin-top:22px;background:var(--card);border-radius:36px;padding:32px 36px;box-shadow:inset 0 0 0 1px var(--line)}
.supp form{max-width:640px}
.supp button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:12px 34px;border:0;border-radius:999px;background:linear-gradient(180deg,#c9ffc1,var(--pri2));color:var(--dark);font:700 1.05rem var(--disp);cursor:pointer;box-shadow:0 10px 26px -10px rgba(154,255,139,.75)}
.supp output,.supp [data-out]{display:block;margin-top:14px;color:var(--mint);font-weight:600}
.supp select{appearance:none;background-image:radial-gradient(circle at center,var(--pri) 5px,transparent 6px);background-repeat:no-repeat;background-position:right 16px center;background-size:16px 16px;padding-right:44px}
.nf .strip{margin:0 0 30px}
.nf .acts{margin-top:26px}

/* footer */
.foot{margin-top:30px;padding:0 16px 34px}
.foot-in{max-width:1240px;margin:0 auto;background:var(--card);border-radius:44px;padding:32px 40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:20px 40px;box-shadow:inset 0 0 0 1px var(--line)}
.foot-b p{margin:10px 0 0;color:var(--mut);font-size:.95rem}
.foot-l{display:flex;flex-wrap:wrap;gap:6px 8px;align-content:start}
.foot-l a{display:inline-flex;align-items:center;min-height:44px;padding:6px 16px;border-radius:999px;background:var(--card2);color:var(--ink);text-decoration:none;font:600 .9rem/1.25 var(--disp)}
.foot-l a:hover{background:var(--pri);color:var(--dark)}
.legal{grid-column:1/-1;margin:0;padding-top:18px;border-top:2px dotted rgba(179,255,168,.28);color:var(--mut);font-size:.86rem}

@media (max-width:1180px){
.nav a:not(.btn){padding:8px 13px;font-size:.9rem}
.feats{grid-template-columns:repeat(2,minmax(0,1fr))}
.feats .pc:nth-child(n+4)::before{left:24px}.feats .pc:nth-child(n+4)::after{left:54px}
.facts5{grid-template-columns:repeat(6,minmax(0,1fr))}
.facts5 .rung{grid-column:span 2}.facts5 .rung:nth-child(n+4){grid-column:span 3}
.keytop{grid-template-columns:minmax(0,1fr)}.key-form{grid-column:1;grid-row:auto}
}
@media (max-width:960px){
.burger{display:flex}
.nav{display:none;position:absolute;left:16px;right:16px;top:calc(100% - 2px);flex-direction:column;align-items:stretch;gap:8px;padding:14px;background:var(--card2);border-radius:32px;box-shadow:inset 0 0 0 1px var(--line),0 30px 60px -20px rgba(0,0,0,.8)}
.nav.open{display:flex}
.nav a:not(.btn){min-height:48px;font-size:1rem;padding:8px 20px}
.navcta{margin:4px 0 0}
.shell{grid-template-columns:minmax(0,1fr);gap:22px;padding-top:10px}
.rail{position:static;max-height:none;border-radius:40px;padding:28px 22px}
.rail-facts{order:2}
.rail-toc{display:none}
.mtoc{display:block;margin-top:22px;background:linear-gradient(180deg,var(--card2),var(--card));border-radius:32px;padding:22px 14px 14px;box-shadow:inset 0 0 0 1px var(--line)}
.mtoc .rail-k{margin-left:14px}
.mtoc .toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px}
.dock{display:flex;position:fixed;left:16px;right:16px;bottom:12px;z-index:30;min-height:54px;box-shadow:0 14px 34px -8px rgba(0,0,0,.8),inset 0 2px 0 rgba(255,255,255,.45)}
body{padding-bottom:78px}
body.page-key{padding-bottom:0}
.steps,.exs{grid-template-columns:minmax(0,1fr)}
.steps li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;align-items:start;padding:20px}
.steps .tile{width:64px;height:64px;margin:0}
.steps li+li::before{left:50px;top:-22px;width:0;height:28px;border-top:0;border-left:4px dotted var(--pri)}
}
@media (max-width:640px){
body{font-size:16.5px}
.top{padding:12px 16px 8px}
.logo{font-size:.9rem}
.mark{width:34px;height:34px}
.hero,.phead,.keytop{border-radius:32px;padding:26px 20px 24px}
.hero-row{grid-template-columns:minmax(0,1fr);gap:22px}
.hero .acts .btn{width:100%}
.strip{border-radius:24px;padding:10px 6px;margin-top:26px}
.st{padding:0 4px}
.st+.st::before{display:none}
.sec{margin-top:42px}
.feats,.uses{grid-template-columns:minmax(0,1fr)}
.prose{padding:6px 20px 24px;border-radius:28px}
.band{grid-template-columns:minmax(0,1fr);padding:28px 22px;border-radius:32px}
.band .btn{width:100%}
.calc{grid-template-columns:minmax(0,1fr);padding:20px;border-radius:28px}
.facts5{grid-template-columns:repeat(2,minmax(0,1fr))}
.facts5 .rung,.facts5 .rung:nth-child(n+4){grid-column:auto}
.facts5 .rung:first-child{grid-column:1/-1}
.facts5 dd{font-size:1.3rem}
.form{padding:18px;border-radius:28px}
.takes,.supp{padding:22px 20px;border-radius:28px}
.mtoc .toc ol{grid-template-columns:minmax(0,1fr)}
.foot-in{grid-template-columns:minmax(0,1fr);padding:26px 22px;border-radius:32px}
pre.code code{padding:58px 16px 18px;font-size:.8rem}
.qa summary{padding-left:18px;font-size:1rem}
.qa details p{padding:0 18px 20px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}