/* howtobedigital.com — one stylesheet. Square corners. No shadows. No icons. */

@font-face{font-family:'Instrument Serif';src:url('/assets/instrument-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Instrument Serif';src:url('/assets/instrument-400i.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/inter-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Inter';src:url('/assets/inter-600.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/assets/plexmono-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/assets/plexmono-500.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

:root{
  --paper:#F2F3F1;
  --ink:#16181D;
  --cursor:#077453;
  --slate:#5C6058;
  --hairline:#D6D8D3;
  --bright:#19B98A;
  --measure:62ch;
  --display:'Instrument Serif',Georgia,'Times New Roman',serif;
  --body:'Inter','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;border-radius:0}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:16px;line-height:1.6;
  font-weight:400;
}
img{max-width:100%;height:auto}

.wrap{max-width:calc(var(--measure) + 4rem);margin:0 auto;padding:0 20px}
main{display:block;padding:48px 0 0}

/* ---- links ---- */
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:text-decoration-color 0.15s ease,color 0.15s ease}
a:hover,a:focus{text-decoration-color:var(--cursor);text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--cursor);outline-offset:2px}
@media (prefers-reduced-motion:reduce){a{transition:none}}

/* ---- skip link ---- */
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:0;top:0;z-index:10;background:var(--paper);padding:12px 20px;border:2px solid var(--cursor)}

/* ---- wordmark ---- */
.wordmark{font-family:var(--mono);font-weight:500;font-size:17px;letter-spacing:0.02em;text-decoration:none;color:var(--ink);display:inline-flex;align-items:baseline;gap:2px}
.wordmark:hover,.wordmark:focus{text-decoration:none}
.wordmark .blk{display:inline-block;width:0.55em;height:0.92em;background:var(--cursor);animation:blink 0.94s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.wordmark .blk{animation:none;opacity:1}}

/* ---- header ---- */
header.site{border-bottom:1px solid var(--hairline);padding:20px 0}
header.site .bar{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:baseline;justify-content:space-between}
nav.primary ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px}
nav.primary a{font-size:16px;text-decoration:none;border-bottom:2px solid transparent;
  padding-bottom:2px;transition:border-color 0.15s ease}
nav.primary a:hover,nav.primary a:focus{border-bottom-color:var(--cursor)}
nav.primary a[aria-current]{border-bottom-color:var(--cursor)}
nav.primary .last a{color:var(--slate)}
@media (prefers-reduced-motion:reduce){nav.primary a{transition:none}}

/* ---- type ----
   Display is a serif now: Instrument Serif 400, set big, tracked tight.
   Italic is the accent voice — one phrase per heading at most. */
h1{font-family:var(--display);font-weight:400;font-size:clamp(2.6rem,6.5vw,4.75rem);line-height:1;letter-spacing:-0.015em;margin:0 0 28px;max-width:24ch}
h1 em,h2 em{font-style:italic;color:inherit}
h2{font-family:var(--display);font-weight:400;font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.08;letter-spacing:-0.01em;margin:56px 0 16px;max-width:var(--measure)}
h3{font-family:var(--body);font-weight:600;font-size:1.1rem;line-height:1.3;margin:32px 0 8px;max-width:var(--measure)}
p,li{max-width:var(--measure)}
p{margin:0 0 16px}
.lede{font-size:19.5px;line-height:1.55}
strong,b{font-weight:600}
hr{border:0;border-top:1px solid var(--hairline);margin:48px 0;position:relative;overflow:visible}
hr::before{content:"";position:absolute;left:0;top:-1px;width:48px;height:1px;background:var(--cursor)}
::selection{background:var(--cursor);color:var(--paper)}

/* ---- mono label ---- */
.label{font-family:var(--mono);font-size:13px;letter-spacing:0.05em;text-transform:uppercase;color:var(--slate);margin:0 0 16px;max-width:none;line-height:1.5}
.crumb{font-family:var(--mono);font-size:13px;letter-spacing:0.05em;color:var(--slate);margin:0 0 24px}

/* ---- blocks ---- */
.outcome{border:1px solid var(--hairline);padding:24px;margin:0 0 24px;max-width:var(--measure)}
.outcome p{margin:0}
.outcome .label{margin-bottom:8px}

.dotoday{border:2px solid var(--cursor);padding:24px;margin:48px 0;max-width:var(--measure)}
.dotoday .label{margin-bottom:8px;color:var(--ink)}
.dotoday p:last-child{margin-bottom:0}

.bright{background:var(--bright);color:var(--ink);padding:40px 0;margin:72px 0 0;
  width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw}
.bright h2{margin-top:0}
.bright a{color:var(--ink)}

.note{border-left:3px solid var(--hairline);padding:0 0 0 20px;margin:32px 0;color:var(--slate);max-width:var(--measure)}
.note p:last-child{margin-bottom:0}

.draft{border:2px solid var(--ink);padding:20px 24px;margin:0 0 40px;max-width:var(--measure)}
.draft p:last-child{margin-bottom:0}

/* ---- steps ---- */
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 24px}
ol.steps>li{counter-increment:s;position:relative;padding:0 0 24px 44px;margin:0 0 24px;border-bottom:1px solid var(--hairline);max-width:calc(var(--measure) + 44px)}
ol.steps>li:last-child{border-bottom:0}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:0;font-family:var(--mono);font-size:15px;font-weight:500;color:var(--slate);width:32px}
ol.steps .then{color:var(--slate);margin:8px 0 0}
ol.steps .then::before{content:"You should see  ";font-family:var(--mono);font-size:12px;letter-spacing:0.05em;text-transform:uppercase;display:block;margin-bottom:4px}
ol.steps .src{margin:8px 0 0;font-size:14px}
ol.steps .src::before{content:"Source  ";font-family:var(--mono);font-size:12px;letter-spacing:0.05em;text-transform:uppercase;color:var(--slate);display:block;margin-bottom:4px}

dl.wrong{margin:0}
dl.wrong dt{font-weight:600;margin:24px 0 4px;max-width:var(--measure)}
dl.wrong dd{margin:0;color:var(--slate);max-width:var(--measure)}

/* ---- lists / tables ---- */
ul.plain{list-style:none;padding:0;margin:0 0 24px}
ul.plain>li{padding:16px 0;border-bottom:1px solid var(--hairline);max-width:var(--measure)}
ul.plain>li:first-child{border-top:1px solid var(--hairline)}
ul.plain .label{margin:0 0 4px}
ul.plain p{margin:4px 0 0;color:var(--slate)}

table{border-collapse:collapse;width:100%;margin:0 0 24px;font-size:15px}
th,td{text-align:left;padding:12px 12px 12px 0;border-bottom:1px solid var(--hairline);vertical-align:top}
th{font-family:var(--mono);font-size:12px;letter-spacing:0.05em;text-transform:uppercase;color:var(--slate);font-weight:400}

/* ---- signature mark ---- */
.sig{display:block;margin:48px 0;width:180px;height:24px}

/* ---- footer ---- */
footer.site{border-top:1px solid var(--hairline);margin-top:80px;padding:48px 0 64px;position:relative}
footer.site::before{content:"";position:absolute;left:0;top:-1px;width:48px;height:1px;background:var(--cursor)}
footer.site .cols{display:grid;grid-template-columns:1fr;gap:32px}
footer.site h2{font-family:var(--mono);font-size:12px;letter-spacing:0.05em;text-transform:uppercase;color:var(--slate);font-weight:400;margin:0 0 12px}
footer.site h2::before{content:"";display:inline-block;width:7px;height:7px;background:var(--cursor);margin-right:8px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:0 0 8px;font-size:15px}
footer.site .colophon{margin-top:40px;padding-top:24px;border-top:1px solid var(--hairline);color:var(--slate);font-size:15px}

/* ---- forms: two buttons on the whole site ---- */
button,.btn{font-family:var(--body);font-size:16px;font-weight:600;background:var(--cursor);color:#fff;border:0;padding:14px 24px;cursor:pointer;text-decoration:none;display:inline-block}
button:focus-visible,.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
label{display:block;font-weight:600;margin:0 0 4px}
input,textarea{font-family:var(--body);font-size:16px;padding:12px;border:1px solid var(--ink);background:#fff;width:100%;max-width:var(--measure)}

@media (min-width:48rem){
  footer.site .cols{grid-template-columns:repeat(4,1fr)}
  .wrap{padding:0 32px}
}

/* ---- interaction, quiet ---- */
ul.plain>li{transition:background-color 0.15s ease}
ul.plain>li:hover{background:#ECEEEA}
ul.plain>li:hover>a{text-decoration-color:var(--cursor);text-decoration-thickness:2px}
tr{transition:background-color 0.15s ease}
tbody tr:hover,table tr:hover{background:#ECEEEA}
button:hover,.btn:hover{background:#05543C}
button,.btn{transition:background-color 0.15s ease}
@media (prefers-reduced-motion:reduce){ul.plain>li,tr,button,.btn{transition:none}}

/* ---- the signature field ----
   A canvas drawn by /assets/motion.js: the analogue-wave-to-square-wave
   line, ink turning green at the handover, drifting slowly near the foot of
   the band. No gradients, no images. The page is complete without it; under
   reduced motion it draws one still frame. */
.field{position:relative;width:100vw;left:50%;margin-left:-50vw;margin-top:-48px;
  border-bottom:1px solid var(--hairline);overflow:hidden}
.field canvas{position:absolute;inset:0;width:100%;height:100%}
.field .wrap{position:relative}
.field .boxed,.field h1,.field .lede,.field .label{background:var(--paper)}
.field h1{display:inline;box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:0.02em 0.18em 0.04em 0.12em;margin-left:-0.12em}
.field .lede,.field .label{display:table;padding:2px 0.5em 2px 0}

/* ---- hero (home) ---- */
.hero{padding:88px 0 72px}
.hero h1{font-size:clamp(3.1rem,9.5vw,7rem);line-height:0.98;letter-spacing:-0.02em;max-width:14ch}
.hero .lede{max-width:44ch;margin-top:24px}
.hero .label{margin:0 0 28px}
.hero .act{margin:32px 0 0;position:relative}

/* ---- the blog rail: title left, cards right, click to step ---- */
.fromblog{margin:64px 0 0}
.fromblog .cols2{display:grid;grid-template-columns:1fr;gap:24px}
.fromblog .railhead h2{margin-top:0}
.fromblog .railhead p{color:var(--slate)}
.railctl{display:flex;gap:8px;margin-top:16px}
.railbtn{background:var(--paper);color:var(--ink);border:1px solid var(--ink);
  font-family:var(--mono);font-size:16px;font-weight:400;width:44px;height:44px;
  padding:0;line-height:1;cursor:pointer;transition:border-color 0.15s ease,color 0.15s ease}
.railbtn:hover{border-color:var(--cursor);color:var(--cursor);background:var(--paper)}
.railbtn:disabled{border-color:var(--hairline);color:var(--hairline);cursor:default}
.railbtn:focus-visible{outline:2px solid var(--cursor);outline-offset:2px}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:min(300px,85%);gap:16px;
  overflow-x:auto;scroll-snap-type:x proximity;padding:2px;scrollbar-width:thin}
.railcard{border:1px solid var(--hairline);padding:20px 20px 24px;scroll-snap-align:start;
  transition:border-color 0.15s ease}
.railcard:hover{border-color:var(--cursor)}
.railcard .label{margin:0 0 8px}
.railcard a{font-family:var(--display);font-size:1.5rem;line-height:1.1;text-decoration-thickness:1px}
.railcard p{margin:10px 0 0;color:var(--slate);font-size:15px}
@media (min-width:48rem){.fromblog .cols2{grid-template-columns:1fr 2fr;gap:40px;align-items:start}}
@media (prefers-reduced-motion:reduce){.railbtn,.railcard{transition:none}}

/* ---- blog ---- */
.field.head{padding:72px 0 56px}
.field.head h1{font-size:clamp(2.8rem,7.5vw,5.5rem)}
.postmeta{font-family:var(--mono);font-size:13px;letter-spacing:0.05em;text-transform:uppercase;color:var(--slate);margin:0 0 24px}
.post h2{margin-top:48px}

/* ---- lesson chrome (the LMS layer) ---- */
.coursebar{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  border-top:2px solid var(--cursor);border-bottom:1px solid var(--hairline);
  padding:10px 0;margin:0 0 32px}
.coursebar .label{margin:0}
ol.steps>li::before{font-family:var(--display);font-size:1.7rem;font-weight:400;color:var(--ink);top:-6px}
.outcome{border:1px solid var(--ink)}
.next{border:1px solid var(--hairline);padding:20px 24px;margin:32px 0;max-width:var(--measure);transition:border-color 0.15s ease}
.next:hover{border-color:var(--cursor)}
@media (prefers-reduced-motion:reduce){.next{transition:none}}

/* ---- print ---- */
@media print{
  body{background:#fff;color:#000;font-size:11pt}
  header.site nav,footer.site,.bright,.sig,.draft,.field canvas{display:none}
  a{text-decoration:none;color:#000}
  a[href^="/"]::after{content:" (howtobedigital.com" attr(href) ")";font-size:9pt;color:#444}
  .dotoday{border:2px solid #000}
  ol.steps>li{break-inside:avoid}
}