/* userid.bot · brand: Ink #10131A · Paper #F5F4EF · Signal #C8F031 (small accents only, never a whole button)
   Fonts are self-hosted (/fonts): nothing loads from Google or any other company. */
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-regular.woff) format("woff")}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/inter-semibold.woff) format("woff")}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/inter-bold.woff) format("woff")}
@font-face{font-family:Inter;font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/inter-extrabold.woff) format("woff")}

:root{
  --ink:#10131A; --ink-2:#1B1F28; --paper:#F5F4EF; --signal:#C8F031;
  --text-2:#2C2F37; --muted:#5B5F69; --line:#E2E0D8; --card:#FFFFFF;
  --radius:18px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--font);font-feature-settings:"ss01","cv11"}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
code{font-family:var(--mono);font-size:.9em;background:#ECEAE3;padding:.1em .35em;border-radius:6px;word-break:break-all}
pre{background:var(--ink);color:var(--paper);padding:16px 18px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.5}
pre code{background:none;padding:0;color:inherit;word-break:normal}
code.block{display:block;margin-top:8px;padding:10px 12px}
h1{font-size:clamp(36px,5.6vw,60px);line-height:1.04;letter-spacing:-.035em;margin:.15em 0 .3em;font-weight:800}
.article h1{font-size:clamp(30px,4.4vw,44px);letter-spacing:-.025em;font-weight:700}
h2{font-size:clamp(24px,3vw,32px);line-height:1.2;letter-spacing:-.02em;margin:1.4em 0 .5em;font-weight:700}
.article h2{font-size:24px;margin-top:1.6em}
h3{font-size:22px;letter-spacing:-.015em;margin:.1em 0 .4em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.article,.crumbs{max-width:760px}
.lead{font-size:20px;line-height:1.55;color:var(--text-2);max-width:640px}
.muted{color:var(--muted)}

/* header */
.top{position:sticky;top:0;z-index:5;background:rgba(245,244,239,.9);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;flex:none}
.logo{height:28px;width:auto;display:block}
.nav{display:flex;gap:24px;align-items:center;font-size:15px;font-weight:600}
.nav a{text-decoration:none}
.nav a:not(.btn):hover{text-decoration:underline}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:700;padding:15px 24px;border-radius:999px;transition:transform .12s ease,box-shadow .12s ease;min-height:48px}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px -10px rgba(16,19,26,.6)}
.btn-sm{padding:8px 16px;font-size:14px;min-height:36px;color:var(--paper)!important}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.btn-ghost:hover{box-shadow:inset 0 0 0 2px var(--ink),0 8px 20px -12px rgba(16,19,26,.5)}
.btn-paper{background:var(--paper);color:var(--ink)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;margin:28px 0}
.link{font-weight:700;text-decoration:none}
.link:hover{text-decoration:underline}

/* ---------- home ---------- */
.home{padding-bottom:8px}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:56px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0}
.dot{width:10px;height:10px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px var(--ink)}
.hero-card{margin:0;justify-self:center;max-width:400px;width:100%}
.hero-card img{border-radius:28px;transform:rotate(2.5deg);box-shadow:0 40px 70px -30px rgba(16,19,26,.55),0 0 0 1px rgba(16,19,26,.06)}
.hero-card figcaption{margin-top:18px;text-align:center;font-size:14px;color:var(--muted)}

.bots{padding-top:24px;padding-bottom:24px}
.bots h2{max-width:720px;margin-top:.4em}
.bot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.bot{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.bot p{margin:0 0 14px;color:var(--text-2);font-size:16px}
.bot .btn{margin-top:auto;align-self:flex-start;padding:12px 20px;min-height:44px;font-size:15px}
.bot-tag{font-size:13px!important;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)!important;margin:0 0 6px!important}
.bot-ink{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.bot-ink p,.bot-ink li{color:#D6D5CF!important}
.bot-ink .bot-tag{color:var(--signal)!important}
.bot-ink code{background:#2A2F3A;color:var(--paper)}
.bot code{white-space:nowrap;word-break:normal}
.ticks{list-style:none;padding:0;margin:0 0 22px;font-size:15px}
.ticks li{position:relative;padding-left:24px;margin:7px 0;color:var(--text-2)}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 2px var(--ink)}
.bot-ink .ticks li::before{box-shadow:none}

.split{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start;padding-top:40px;padding-bottom:24px}
.split p{color:var(--text-2);max-width:620px}
.eras{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:26px;margin-top:2.6em}
.eras .eras-h{margin:0 0 12px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--signal)}
.era{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 0;border-top:1px solid #2A2F3A}
.era b{font-size:19px}
.era span{color:#A9ABB0;font-size:15px;text-align:right}

.block-w{padding-top:24px;padding-bottom:16px;max-width:1120px}
.block-w > .qa, .block-w > p{max-width:760px}
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps.steps-row li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:56px 22px 22px;margin:0}
.steps.steps-row li::before{left:22px;top:20px}

.honest{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px 28px 16px;margin-top:40px;margin-bottom:24px}
.honest h2{font-size:24px}
.final{text-align:center;padding-top:40px;padding-bottom:24px}
.final .cta-row{justify-content:center}

/* lists & steps */
.list{padding-left:1.1em}
.list li{margin:.45em 0}
.list.big{list-style:none;padding:0}
.list.big li{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0}
.list.big a{font-weight:700;font-size:18px}
.list.big span{display:block;color:var(--muted);font-size:15px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 0 46px;margin:14px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--paper);font-weight:700;font-size:14px;display:grid;place-items:center}

/* faq */
.qa{border-top:1px solid var(--line);padding:4px 0}
.qa:last-of-type{border-bottom:1px solid var(--line)}
.qa summary{cursor:pointer;font-weight:600;padding:14px 32px 14px 0;list-style:none;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:4px;top:12px;font-weight:400;font-size:22px;line-height:1;color:var(--muted)}
.qa[open] summary::after{content:"–"}
.qa p{margin:0 0 16px;color:var(--text-2)}

/* table */
.tbl{border-collapse:collapse;width:100%;font-size:15.5px;display:block;overflow-x:auto}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-weight:700}

.crumbs{font-size:14px;color:var(--muted);padding-top:28px}
.crumbs a{color:var(--muted)}
main.wrap{min-height:50vh}

/* footer */
.foot{border-top:1px solid var(--line);margin-top:72px;padding:40px 0 28px;font-size:15px;background:#EFEDE6}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1fr;gap:32px}
.foot-title{font-weight:800;font-size:18px;margin:0 0 6px}
.foot p{margin:.25em 0;color:var(--text-2)}
.foot-h{font-weight:700;color:var(--ink)!important;margin:0 0 8px!important}
.foot-col{display:flex;flex-direction:column;gap:7px}
.foot-col a,.foot-about a{color:var(--text-2);text-decoration:none}
.foot-col a:hover,.foot-about a:hover{text-decoration:underline}
.foot-note{color:var(--muted);font-size:13px;margin-top:32px}

@media (max-width:960px){
  .hero{grid-template-columns:1fr;padding-top:40px;gap:40px}
  .hero-card{max-width:340px}
  .bot-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:8px}
  .eras{margin-top:8px}
  .steps-row{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .nav{gap:16px}
  .nav a[href="/guides/"],.nav a[href="/#bots"]{display:none}
  .lead{font-size:18px}
  .hero-card img{transform:none;border-radius:22px}
  .bot{padding:22px}
  .honest{padding:4px 20px 12px}
  .foot-in{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}