/* LateNightBirds: shared styles. Type system modeled on Medium: serif for reading, sans for interface. */
:root{
  --bg:#fffefd; --bg-2:#faf8f5; --ink:#242424; --ink-2:#4a4a4a; --muted:#6b6b6b; --line:rgba(36,36,36,.12); --soft:rgba(36,36,36,.05);
  --accent:#e8a33d; --accent-ink:#9a5f00; --accent-2:#f3b9c8; --indigo:#1f2345; --card:#ffffff;
  --sky-top:#262b57; --sky-bot:#6a5a8c; --star:#fffefd; --moon:#f6d58e; --city:#1b1e3d; --window:#e8a33d;
  --shadow:0 1px 2px rgba(20,20,40,.04),0 8px 24px rgba(20,20,40,.06);
  --serif:"Source Serif 4",Charter,"Bitstream Charter","Sitka Text",Cambria,Georgia,serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
:root[data-theme="dark"]{
  --bg:#0d0f24; --bg-2:#111430; --ink:#ececf4; --ink-2:#c9cbe0; --muted:#a3a5bd; --line:rgba(255,255,255,.14); --soft:rgba(255,255,255,.06);
  --accent-ink:#f0b85c; --card:rgba(255,255,255,.04); --accent-2:#6a5a8c; --sky-top:#0a0c20; --sky-bot:#2b2f63; --city:#07081a;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--serif);transition:background .2s,color .2s;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#1a1a1a}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
img{max-width:100%;display:block}
em{font-style:italic}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.12;letter-spacing:-.022em;color:var(--ink)}
.sans{font-family:var(--sans)}
.skip{position:absolute;left:-999px;top:8px;background:var(--indigo);color:#fff;padding:8px 14px;border-radius:8px;z-index:100;font:500 14px var(--sans)}
.skip:focus{left:8px}

/* header */
.header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.header.scrolled{border-color:var(--line)}
.header-in{max-width:1120px;margin:0 auto;height:68px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font:700 19px/1 var(--sans);letter-spacing:-.03em}
.brand img{width:34px;height:34px;border-radius:9px}
.brand b{color:var(--accent-ink);font-weight:700}
.brand sup{font-size:9px;font-weight:500;margin-left:1px;vertical-align:super;opacity:.7}
.nav{display:flex;align-items:center;gap:26px;font:500 14px var(--sans)}
.nav a:not(.btn){position:relative;color:var(--ink-2);padding:6px 0;transition:color .15s}
.nav a:not(.btn):hover,.nav a.active{color:var(--ink)}
.nav a.active:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--accent)}
.toggle{width:40px;height:22px;border-radius:99px;border:1px solid var(--line);background:var(--soft);cursor:pointer;position:relative;padding:0;flex:none}
.toggle span{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:var(--accent);transition:transform .2s}
:root[data-theme="dark"] .toggle span{transform:translateX(18px);background:var(--moon)}
.menu{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center;flex:none}
.menu svg{width:20px;height:20px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:99px;font:600 14px/1 var(--sans);border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;white-space:nowrap}
.btn i{font-style:normal;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}.btn:hover i{transform:translateX(3px)}
.btn-solid{background:var(--indigo);color:#fffefd;box-shadow:0 4px 14px rgba(31,35,69,.22)}
.btn-solid:hover{box-shadow:0 8px 22px rgba(31,35,69,.3)}
:root[data-theme="dark"] .btn-solid{background:var(--accent);color:#14162e}
.btn-ghost{color:var(--ink);border-color:var(--line);background:transparent}
.btn-ghost:hover{background:var(--soft)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn.big{padding:16px 32px;font-size:16px}

/* layout */
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
main{background:linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--accent-2) 10%,var(--bg)) 38%,var(--bg))}
.frame{max-width:880px;margin:0 auto;border:1.5px dashed var(--line);border-radius:30px;padding:32px 40px 64px;background:color-mix(in srgb,var(--bg) 60%,transparent)}
.page{padding:36px 24px 24px}
.banner{height:250px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.banner svg{width:100%;height:100%;display:block}
.bird{animation:fly 7s ease-in-out infinite}.b2{animation-delay:-2s}.b3{animation-delay:-4s}
@keyframes fly{50%{transform:translate(18px,-8px)}}
.stars circle{animation:tw 3s ease-in-out infinite}.stars circle:nth-child(odd){animation-delay:-1.4s}
@keyframes tw{50%{opacity:.25}}

/* hero */
.hero-row{display:flex;justify-content:space-between;align-items:flex-start;padding:0 8px}
.avatar{flex:none;width:92px;height:92px;margin-top:-46px;border-radius:50%;border:4px solid var(--bg);box-shadow:0 0 0 2px var(--accent-2),0 10px 28px rgba(0,0,0,.16);overflow:hidden;background:var(--indigo)}
.avatar img{width:100%;height:100%;object-fit:cover;transform:scale(1.06)}
.cta-row{display:flex;gap:10px;padding-top:14px;flex-wrap:wrap;justify-content:flex-end}
.intro{padding:24px 8px 0}
h1{font-size:clamp(40px,6.4vw,64px);letter-spacing:-.03em;max-width:14em}
h1 em{font-weight:600;color:var(--accent-ink)}
.meta{display:flex;align-items:center;gap:10px;margin-top:18px;font:500 14px var(--sans);color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:#2fb67c;box-shadow:0 0 0 4px rgba(47,182,124,.18)}
.lede{margin-top:20px;font-size:21px;line-height:1.55;color:var(--ink-2);max-width:34em}
.stats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:40px 8px 0;padding:0}
.stats li{border:1px solid var(--line);border-radius:18px;padding:20px 18px;background:var(--card);box-shadow:var(--shadow)}
.stats b{display:block;font:700 42px/1 var(--serif);letter-spacing:-.03em}
.stats span{display:block;margin-top:8px;font:500 13px var(--sans);color:var(--muted)}

/* sections */
.block{margin-top:84px;padding:0 8px}
.eyebrow{font:600 12px/1.3 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:20px}
.statement{font:700 clamp(28px,4.2vw,40px)/1.18 var(--serif);letter-spacing:-.025em}
.statement em{font-weight:600;color:var(--accent-ink)}
.sub{margin-top:18px;color:var(--ink-2);font-size:19px;max-width:34em}.sub.left{margin:-4px 0 26px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px}
.section-head .eyebrow{margin:0}
.link-arrow{font:600 14px var(--sans);color:var(--ink)}.link-arrow:hover{color:var(--accent-ink)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--card);box-shadow:var(--shadow);transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);border-color:var(--accent)}
.num{font:600 12px var(--sans);color:var(--accent-ink);letter-spacing:.08em}
.card h3{font-size:25px;margin:10px 0 12px}
.card p{color:var(--ink-2);font-size:17px;line-height:1.55}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:22px 28px;counter-reset:s}
.steps li{counter-increment:s;border-left:2px solid var(--accent-2);padding:2px 0 2px 18px}
.steps li::before{content:"0" counter(s);font:600 12px var(--sans);color:var(--accent-ink);letter-spacing:.08em}
.steps b{display:block;font:700 24px var(--serif);letter-spacing:-.02em;margin:2px 0}
.steps span{color:var(--ink-2);font-size:17px}
.grid-wrap{margin-top:40px;border:1px solid var(--line);border-radius:20px;padding:22px;background:var(--card);box-shadow:var(--shadow)}
.grid-label{font:500 14px var(--sans);margin-bottom:14px}.grid-label span{color:var(--muted)}
.hours{display:grid;grid-template-columns:repeat(24,1fr);gap:4px}
.hours i{aspect-ratio:1;border-radius:4px;background:var(--soft)}
.hours i.l1{background:var(--accent-2)}.hours i.l2{background:var(--accent)}
.hours i.pulse{animation:tw 2.4s ease-in-out infinite}
.legend{display:flex;gap:18px;margin-top:14px;font:500 12px var(--sans);color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.legend .l1{background:var(--accent-2)}.legend .l2{background:var(--accent)}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why h3{font-size:23px;margin-bottom:8px}.why p{color:var(--ink-2);font-size:17px}
.quotes{display:grid;gap:14px}
blockquote{border:1px solid var(--line);border-radius:20px;padding:26px 28px;background:var(--card);box-shadow:var(--shadow)}
blockquote p{font:400 22px/1.4 var(--serif);letter-spacing:-.01em}
cite{display:block;margin-top:12px;font:500 13px var(--sans);font-style:normal;color:var(--muted)}

/* post cards (home + blog index) */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--card);box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.post-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.post-card img{aspect-ratio:3/2;object-fit:cover;width:100%;background:var(--soft)}
.post-card div{padding:16px 18px 20px}
.post-card h3{font-size:19px;line-height:1.22;letter-spacing:-.015em}
.pmeta{font:500 12.5px var(--sans);color:var(--muted);margin-top:10px}

/* footer */
.footer{margin-top:96px;border-top:1px solid var(--line);background:var(--bg-2)}
.cta-band{text-align:center;padding:84px 24px 72px}
.cta-band .eyebrow{margin-bottom:14px}
.cta-band h2{font-size:clamp(40px,7.5vw,80px);letter-spacing:-.035em;margin-bottom:30px}
.cta-band h2 em{font-weight:600;color:var(--accent-ink)}
.foot{max-width:1120px;margin:0 auto;padding:40px 24px 36px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;font-family:var(--sans)}
.foot p{font-size:14px;color:var(--muted);max-width:26em;margin-top:12px}
.foot h4{font:600 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.foot a{display:block;font-size:14px;color:var(--ink-2);padding:3px 0}.foot a:hover{color:var(--accent-ink)}
.legal{max-width:1120px;margin:0 auto;padding:18px 24px 40px;font:400 13px var(--sans);color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.legal .heart{color:#e0527a}

/* blog index */
.blog-head{max-width:760px;margin:0 auto;padding:64px 24px 24px}
.blog-head h1{font-size:clamp(40px,6vw,60px);max-width:none}
.blog-head p{margin-top:14px;color:var(--ink-2);font-size:20px}
.list{max-width:760px;margin:0 auto;padding:12px 24px 0}
.row{display:flex;gap:28px;justify-content:space-between;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}
.row:last-child{border:0}
.row h2{font-size:26px;letter-spacing:-.02em;line-height:1.18}
.row:hover h2{color:var(--accent-ink)}
.row p{margin-top:8px;color:var(--ink-2);font-size:17px;line-height:1.5}
.row img{width:168px;height:112px;object-fit:cover;border-radius:10px;flex:none;background:var(--soft)}
.row .pmeta{margin-top:12px}
.tag{display:inline-block;font:500 12.5px var(--sans);background:var(--soft);border-radius:99px;padding:3px 10px;margin-right:6px}

/* article */
.article{max-width:700px;margin:0 auto;padding:56px 24px 0}
.crumbs{font:500 13px var(--sans);color:var(--muted);margin-bottom:22px}.crumbs a:hover{color:var(--accent-ink)}
.article h1{font-size:clamp(34px,5.4vw,48px);line-height:1.12;letter-spacing:-.03em;max-width:none}
.byline{display:flex;align-items:center;gap:12px;margin:28px 0 30px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font:400 14px var(--sans)}
.byline img{width:42px;height:42px;border-radius:50%}
.byline b{display:block;font-weight:600;font-size:15px}.byline span{color:var(--muted)}
.hero-img{margin:0 -60px 36px;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.hero-img img{width:100%;height:auto}
.prose{font-size:21px;line-height:1.62;color:var(--ink);letter-spacing:-.003em}
.prose p{margin:0 0 1.35em}
.prose h2,.prose h3{font-size:30px;line-height:1.2;margin:2em 0 .6em;letter-spacing:-.025em}
.prose strong{font-weight:700}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.4em}.prose li{margin:.45em 0;padding-left:.25em}
.prose li::marker{color:var(--accent-ink)}
.prose figure{margin:2em -60px}
.prose figure img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.prose mark{background:linear-gradient(transparent 55%,color-mix(in srgb,var(--accent) 45%,transparent) 55%);color:inherit;padding:0 2px}
.prose a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.prose blockquote{border:0;border-left:3px solid var(--ink);border-radius:0;padding:2px 0 2px 24px;margin:1.6em 0;background:none;box-shadow:none}
.prose blockquote p{font-size:23px;font-style:italic}
.tablewrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;font:400 16px/1.5 var(--sans);min-width:520px}
.prose th{background:var(--soft);text-align:left;font-weight:600}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.after{max-width:700px;margin:56px auto 0;padding:0 24px}
.cta-card{border-radius:22px;padding:34px;background:var(--indigo);color:#fffefd;display:flex;gap:24px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.cta-card h3{color:#fffefd;font-size:26px;max-width:15em}.cta-card p{font:400 15px var(--sans);opacity:.8;margin-top:6px}
.cta-card .btn-solid{background:var(--accent);color:#14162e;box-shadow:none}
.more{max-width:1000px;margin:72px auto 0;padding:0 24px}
.more .posts{grid-template-columns:repeat(3,1fr)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

@media (max-width:860px){
  .menu{display:inline-flex}
  .nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;background:var(--bg);border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav a.active:not(.btn)::after{display:none}
  .nav .btn{margin-top:14px}.nav .toggle{margin-top:14px}
  .frame{padding:20px 16px 44px;border-radius:22px}.page{padding:20px 12px 8px}
  .cards,.steps,.why,.stats{grid-template-columns:1fr}
  .posts,.more .posts{grid-template-columns:1fr}
  .banner{height:180px}.avatar{width:72px;height:72px;margin-top:-36px}
  .hero-row{flex-direction:column;padding:0}.cta-row{justify-content:flex-start;padding-top:16px}
  .foot{grid-template-columns:1fr 1fr}.foot>div:first-child{grid-column:1/-1}
  .hero-img,.prose figure{margin-left:0;margin-right:0}
  .row{flex-direction:column-reverse;align-items:stretch;gap:16px}.row img{width:100%;height:auto;aspect-ratio:3/2}
  .prose{font-size:19px}.prose h2,.prose h3{font-size:26px}
  .block{margin-top:64px}
}

/* article extras: key takeaways and FAQ */
.takeaways{margin:0 0 44px;padding:26px 28px;border-radius:18px;background:var(--bg-2);border:1px solid var(--line)}
.takeaways .tk-label{font:600 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:12px}
.takeaways ul{margin:0;padding-left:1.2em;font:400 17px/1.55 var(--serif);color:var(--ink)}
.takeaways li{margin:.5em 0}
.takeaways li::marker{color:var(--accent-ink)}
.faq{margin-top:60px;padding-top:40px;border-top:1px solid var(--line)}
.faq h2{font-size:30px;letter-spacing:-.025em;margin-bottom:22px}
.faq .qa{padding:20px 0;border-bottom:1px solid var(--line)}
.faq .qa:last-child{border-bottom:0}
.faq h3{font:700 19px/1.35 var(--serif);letter-spacing:-.015em;margin-bottom:8px}
.faq p{font:400 17px/1.6 var(--serif);color:var(--ink-2)}
.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}
.related h2{font:600 12px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:14px}
.related ul{list-style:none;padding:0;margin:0}
.related li{border-bottom:1px solid var(--line)}
.related li:last-child{border-bottom:0}
.related a{display:block;padding:14px 0;font:700 19px/1.3 var(--serif);letter-spacing:-.015em}
.related a:hover{color:var(--accent-ink)}

/* readability: flow graphic, tip and warning notes */
:root{--flow-box:#f4f1ec;--flow-text:#242424}
:root[data-theme="dark"]{--flow-box:#1a1d3d;--flow-text:#ececf4}
.flow{margin:0 0 44px}
.flow img{width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}
.note{margin:28px 0;padding:18px 22px;border-radius:14px;border-left:4px solid var(--accent);background:var(--bg-2);font:400 16px/1.6 var(--sans);color:var(--ink)}
.note strong{font-weight:700;color:var(--accent-ink)}
.note.warn{border-left-color:#e0527a}
.note.warn strong{color:#c2185b}
.prose h2+p{margin-top:0}
.prose ul li,.prose ol li{line-height:1.6}

/* code blocks for prompts */
.prose pre{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:20px 0 28px;overflow-x:auto;font:400 14px/1.6 ui-monospace,Menlo,Consolas,monospace;color:var(--ink);white-space:pre-wrap;word-break:break-word}
.prose pre code{font:inherit;background:none;padding:0}
.prose h3{font:700 22px/1.25 var(--serif);margin:1.6em 0 .4em}

/* author byline and bio */
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:50% 20%;box-shadow:0 0 0 2px var(--accent-2)}
.author-box{display:flex;gap:20px;align-items:flex-start;margin-top:56px;padding:26px 28px;border-radius:18px;background:var(--bg-2);border:1px solid var(--line)}
.author-box img{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:50% 20%;flex:none;box-shadow:0 0 0 3px var(--accent-2)}
.author-box .ab-name{font:700 20px/1.2 var(--serif);margin:6px 0 8px;color:var(--ink)}
.author-box p{font:400 16px/1.6 var(--sans);color:var(--ink-2)}
.author-box a{font:600 14px var(--sans);color:var(--accent-ink)}
.author-box .tk-label{font:600 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
@media (max-width:560px){.author-box{flex-direction:column;align-items:flex-start}}
.author-box .ab-role{font:500 14px var(--sans);color:var(--muted);margin-bottom:10px}

/* about page */
.author-box .btn-sm{margin:4px 8px 0 0;padding:7px 14px;font-size:13px}
.foot a[target="_blank"]::after{content:" ↗";font-size:11px;opacity:.6}