/* kuuko.app sub-pages (S13): the Signal design of the home page, for reading.
   Fonts: Inter Tight and JetBrains Mono, SIL Open Font License 1.1, licences in /fonts/. */
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-tight-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-tight-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/inter-tight-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter Tight";font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/inter-tight-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/jetbrains-mono-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/jetbrains-mono-latin-ext-700-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/jetbrains-mono-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{color-scheme:light;--cream:#F4EEE2;--paper:#FBF8F1;--ink:#1B1B1F;--sub:#5F5A52;--indigo:#1F2B4D;--night:#0E1322;--verm:#D2452B;--red:#B23A24;--line:#D9CEB9;--soft:#E6DFD1;--mk-bg:#1F2B4D;--mk-fg:#F4EEE2;--mk-ac:#D2452B;--sans:"Inter Tight","Helvetica Neue",Arial,sans-serif;--mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--cream);color:var(--ink);font:18px/1.6 var(--sans)}
a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--verm);outline-offset:3px}
img,svg{max-width:100%}
code{font:.86em/1.4 var(--mono);background:var(--soft);padding:.05em .3em;overflow-wrap:anywhere}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--cream);padding:8px 12px;z-index:9}
.skip:focus{top:12px}

/* Top bar */
.nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;font:13px/1.5 var(--mono)}
.nav a{background:var(--cream);color:var(--ink);text-decoration:none;padding:4px 8px;border:1px solid var(--ink)}
.nav a:hover{background:var(--ink);color:var(--cream)}
.nav a[aria-current="page"]{background:var(--ink);color:var(--cream)}
.nav .home{display:inline-flex;align-items:center;gap:8px}
.nav .home svg{width:18px;height:18px}
.nav .links{display:flex;flex-wrap:wrap;gap:6px}
.nav .soon{background:var(--ink);color:var(--cream);padding:4px 10px}

/* Page band: the halftone paper with the two glows, still */
.band{position:relative;overflow:hidden;background-color:var(--cream);background-image:radial-gradient(circle at 10% 0%,rgba(210,69,43,.42) 0,rgba(210,69,43,0) 34%),radial-gradient(circle at 92% 10%,rgba(31,43,77,.42) 0,rgba(31,43,77,0) 30%),radial-gradient(rgba(31,43,77,.16) 1px,transparent 1.4px);background-size:100% 520px,100% 520px,6px 6px;background-repeat:no-repeat,no-repeat,repeat;border-bottom:1px solid var(--ink)}
.band .in{max-width:820px;margin:0 auto;padding:44px 24px 56px}
.band .in.wide{max-width:1240px}
.eyebrow{margin:0 0 14px;font:13px/1.5 var(--mono);display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center}
.eyebrow .tag{background:var(--ink);color:var(--cream);padding:1px 8px}
h1{margin:0;max-width:1100px;font-weight:500;font-size:clamp(40px,7vw,96px);line-height:.95;letter-spacing:-.04em;text-wrap:balance}
.band .lead{margin:22px 0 0;max-width:760px;font-size:21px;line-height:1.45}
.crumbs{font:12px/1.5 var(--mono);margin:0 0 18px}
.crumbs a{color:var(--sub)}

/* Reading column */
main{display:block}
.read{max-width:820px;margin:0 auto;padding:40px 24px 80px}
.read>*:first-child{margin-top:0}
.read p,.read li{margin:0 0 .8rem;overflow-wrap:break-word}
.read h2{margin:3rem 0 .9rem;padding-top:1rem;border-top:1px solid var(--ink);font-weight:500;font-size:clamp(28px,3.4vw,40px);line-height:1.05;letter-spacing:-.03em}
.read h3{margin:2rem 0 .5rem;font-weight:600;font-size:21px;line-height:1.25;letter-spacing:-.01em}
.read h2[id],.read h3[id]{scroll-margin-top:1rem}
.read ul,.read ol{padding-left:1.3rem}
.muted,.note{color:var(--sub)}
.note{font-size:16px}
.small{font-size:15px;color:var(--sub)}
.read table{width:100%;border-collapse:collapse;margin:.8rem 0 1.4rem;font:14px/1.5 var(--mono)}
.read th,.read td{text-align:left;vertical-align:top;padding:.5rem .55rem;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.read th{font-weight:700;border-bottom:2px solid var(--ink)}
.read dl{margin:.4rem 0}
.read dt{font:700 12px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--sub);margin-top:.7rem}
.read dd{margin:0 0 .3rem}
.cmd{display:block;background:var(--soft);padding:.5rem .7rem;margin:.4rem 0}
.dev{display:inline-block;font:700 11px/1.6 var(--mono);border:1px solid var(--ink);padding:0 .4rem;margin-right:.4rem;vertical-align:.12em}
.srv{display:block;margin:.5rem 0;font-size:16px}
.steps{padding-left:1.5rem}
.steps li{margin-bottom:1rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 1.4rem}
.facts{border-left:3px solid var(--verm);padding:.2rem 0 .2rem 1rem;margin:1.2rem 0}
.lede{font-size:23px;line-height:1.45;margin:0 0 1.4rem}

/* Retro windows: boxes, tests, picks */
.box,.test,.card,.quote{border:2px solid var(--ink);background:var(--paper);padding:.9rem 1.1rem .5rem;margin:1.4rem 0}
.box h2,.pick h2{border:0;margin:.2rem 0 .6rem;padding:0;font-size:26px}
.tldr,.help,.pick{background:var(--paper);box-shadow:6px 6px 0 var(--ink)}
.tldr ul,.help ul{padding-left:1.2rem}
.warn{margin-top:.6rem;color:var(--red)}
.test h3{margin:.3rem 0 .2rem;font-size:22px}
.test h3 a::after{content:" ↗";font-weight:400}
.kicker-line,.pick .kicker{font:700 12px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--red);margin:.4rem 0 0}
.vpn{border-bottom:1px solid var(--line);padding:.3rem 0 .4rem}
.vpn h3{margin:1rem 0 .2rem}
.vpn p{margin:0 0 .35rem}
.toc{border:2px solid var(--ink);background:var(--paper);padding:.6rem 1rem;margin:1.6rem 0;font:14px/1.6 var(--mono)}
.toc ul{columns:2;padding-left:1.1rem;margin:.2rem 0}
.toc::before{content:"On this page";display:block;font-weight:700;margin-bottom:.3rem}

/* Support, VPNs, Privacy, Legal: the 1240 px grid, "On this page" on the left (S13) */
.split{max-width:1240px;margin:0 auto;padding:40px 24px 80px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:0 64px;align-items:start}
.split .read{max-width:none;margin:0;padding:0}
.side{position:sticky;top:16px;border-top:1px solid var(--ink);padding-top:12px;font:13px/1.45 var(--mono)}
.side .t{margin:0 0 8px;font-weight:700}
.side ul{list-style:none;margin:0;padding:0}
.side a{display:block;padding:5px 0 5px 10px;border-left:2px solid var(--line);color:var(--ink);text-decoration:none}
.side a:hover{border-left-color:var(--verm);color:var(--red)}
.vpns{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(380px,100%),1fr));gap:16px;margin:1.2rem 0 1.6rem}
.vpns .vpn{border:2px solid var(--ink);background:var(--paper);padding:.1rem 1rem .5rem}
@media (max-width:1000px){.split{grid-template-columns:minmax(0,1fr)}.side{position:static;border:2px solid var(--ink);background:var(--paper);padding:.6rem 1rem .4rem;margin:0 0 1.6rem}.side ul{columns:2;column-gap:24px}.side a{border-left:0;padding:3px 0}}

/* Learn */
.groups{max-width:1240px;margin:0 auto;padding:40px 24px 80px}
.group{margin:0 0 3rem}
.group h2{margin:0 0 1rem;font-weight:500;font-size:clamp(28px,3.4vw,40px);letter-spacing:-.03em;border-top:1px solid var(--ink);padding-top:1rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:18px}
.acard{display:block;border:2px solid var(--ink);background:var(--paper);color:var(--ink);text-decoration:none;padding:0;transition:transform .12s}
.acard:hover{color:var(--ink);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
@media (prefers-reduced-motion:reduce){.acard{transition:none}.acard:hover{transform:none}}
.acard .bar{display:flex;justify-content:space-between;gap:8px;background:var(--ink);color:var(--cream);padding:2px 10px;font:12px/1.6 var(--mono)}
.acard .body{display:block;padding:12px 14px 14px}
.acard .t{display:block;font-weight:500;font-size:23px;line-height:1.15;letter-spacing:-.02em}
.acard .s{display:block;margin-top:6px;color:var(--sub);font-size:16px;line-height:1.4}
.acard.feature{background:var(--indigo);color:var(--cream);border-color:var(--night)}
.acard.feature .bar{background:var(--verm);color:#000}
.acard.feature .s{color:#D3D8E6}
.acard.feature:hover{color:var(--cream)}
.read .card{background:var(--paper)}
.read .card ul{margin:.2rem 0 .4rem}
.read .quote{background:var(--paper);border-left:6px solid var(--verm)}
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:16px;margin:1.4rem 0}
.quotes .quote{margin:0}
.platform{border:1px dashed var(--sub);padding:.6rem 1rem .2rem;margin:1rem 0}
.platform .on{font:700 12px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--sub);margin:0 0 .3rem}
.inapp{border:2px solid var(--ink);background:var(--indigo);color:var(--cream);padding:.8rem 1rem;margin:2rem 0}
.inapp b{color:#F07A5F}
.sources{border-top:2px solid var(--ink);margin-top:3rem;padding-top:1rem;font:14px/1.55 var(--mono)}
.sources h2{border:0;margin:0 0 .6rem;padding:0;font:700 13px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.05em}
.sources li{margin-bottom:.5rem}
.sources .d{color:var(--sub)}
.next{display:flex;flex-wrap:wrap;gap:12px;margin-top:2.4rem;font:14px/1.5 var(--mono)}
.next a{border:1px solid var(--ink);padding:6px 10px;text-decoration:none}
.next a:hover{background:var(--ink);color:var(--cream)}

/* Build it yourself (S13): code blocks, rules, the chapter pager, a smaller title */
.band h1.g{font-size:clamp(34px,5.2vw,68px);line-height:1}
.read pre{margin:.6rem 0 1.2rem;padding:.8rem 1rem;background:var(--soft);border-left:3px solid var(--ink);overflow-x:auto;font:14px/1.55 var(--mono);tab-size:2}
.read pre code{background:none;padding:0;font:inherit;overflow-wrap:normal;white-space:pre}
.read hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.read li>p{margin:0 0 .6rem}
.read li>pre,.read li>.tbl{margin-top:.4rem}
.read .tbl{overflow-x:auto;margin:.8rem 0 1.4rem}
.read .tbl table{margin:0}
.read .tbl th,.read .tbl td{overflow-wrap:normal}
.pager{font:14px/1.6 var(--mono)}

/* Footer */
footer{border-top:1px solid var(--ink);padding:28px 24px 48px;font:12px/1.6 var(--mono)}
footer .wrap{max-width:1240px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px}
footer p{margin:0}
footer .me{display:flex;align-items:center;gap:10px}
footer .me svg{width:22px;height:22px;flex:0 0 auto}
footer .links{display:flex;flex-wrap:wrap;gap:16px}
footer .quiet{flex-basis:100%;color:var(--sub);max-width:900px}

@media (max-width:760px){
.split{padding-left:16px;padding-right:16px}
.side ul{columns:1}
.nav .links{display:none}
.band .in{padding:28px 16px 36px}
.band .lead{font-size:19px}
.read,.groups{padding-left:16px;padding-right:16px}
.two{grid-template-columns:1fr}
.toc ul{columns:1}
.read table{font-size:12.5px}
.read pre{font-size:12.5px;padding:.7rem .8rem}
.lede{font-size:20px}
}