/* Sunmeld site, "Cyanotype Atlas": a 1900s astronomical survey plate. One cyan-blue ground, one gold.
   Colors and fonts are CSS variables on purpose. Default is the dark plate; light is the positive print. */
:root{
  --bg:#10305A; --panel:#0C2748; --panel2:#163D70; --line:#6F95C4; --line2:#35598C;
  --ink:#EEF3FA; --ink2:#B4CBE8; --gold:#F3C969; --gold-ink:#F3C969; --rival:#8FB4E3; --on-gold:#10305A;
  --font-head:'Instrument Serif','Nanum Myeongjo',Georgia,'Times New Roman',serif;
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1120px; --gutter:20px; --radius:2px; --border:1px solid var(--line);
  color-scheme:dark;
}
@media (prefers-color-scheme:light){
  :root{
    --bg:#E7EEF5; --panel:#F4F8FC; --panel2:#D6E2EF; --line:#2D5282; --line2:#9DB6D2;
    --ink:#0D2A4F; --ink2:#34527A; --gold:#C99A2E; --gold-ink:#7A5800; --rival:#2D5E9E; --on-gold:#0D2A4F;
    color-scheme:light;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg);
  font-family:var(--font-body);color:var(--ink);font-size:17px;line-height:1.65;overflow-wrap:anywhere}
main{flex:1;width:100%;max-width:var(--wrap);margin:0 auto;padding:12px var(--gutter) 72px}
a{color:var(--gold-ink);text-underline-offset:4px;text-decoration-thickness:1px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
h1,h2,h3{font-family:var(--font-head);font-weight:400;font-style:italic;line-height:1.08;margin:0;letter-spacing:.005em}
:lang(ko) h1,:lang(ko) h2,:lang(ko) h3,:lang(ko) .brand,:lang(ko) .logo{font-style:normal;font-weight:700;letter-spacing:-.01em;line-height:1.2}
img,svg{max-width:100%;height:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--on-gold);padding:8px 14px;z-index:10;font-family:var(--font-mono)}
.skip:focus{left:8px}
.perk,.tag,.post-meta,.crumbs,.updated,.langsw,.store small,.score,.plate-cap,.release .meta,.foot-small,.ai-note{font-family:var(--font-mono)}

/* header */
.site-header{width:100%;border-bottom:var(--border)}
.bar{max-width:var(--wrap);margin:0 auto;padding:14px var(--gutter);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px}
.brand{font-family:var(--font-head);font-style:italic;font-size:38px;line-height:1;min-height:44px;display:flex;align-items:center;color:var(--ink);text-decoration:none;font-weight:400}
.brand span,.logo span{color:var(--gold-ink)}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:0 20px;font-family:var(--font-mono);font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.nav>a{min-height:44px;display:flex;align-items:center;color:var(--ink);text-decoration:none}
.nav>a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:8px}
.nav>a:hover{color:var(--gold-ink)}
.langsw{display:flex;border:var(--border);font-size:13px;letter-spacing:.06em}
.langsw a{min-height:38px;min-width:44px;display:flex;align-items:center;justify-content:center;color:var(--ink);text-decoration:none;padding:0 8px}
.langsw a[aria-current="true"]{background:var(--gold);color:var(--on-gold)}

/* hero */
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(380px,100%),1fr));gap:48px;align-items:center;padding:40px 0 64px}
.hero-text{display:flex;flex-direction:column;gap:22px;align-items:flex-start;min-width:0}
.perk{margin:0;display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border:1px solid var(--gold);color:var(--gold-ink);font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.hero h1{font-size:clamp(50px,9vw,108px);line-height:.96}
.hero h1 span{display:block;color:var(--gold-ink)}
:lang(ko) .hero h1{font-size:clamp(40px,7vw,80px)}
.lead{margin:0;font-size:19px;line-height:1.6;color:var(--ink2);max-width:560px}
.note{margin:0;font-size:15px;color:var(--ink2)}
.badges{display:flex;flex-wrap:wrap;gap:14px}
.store{min-height:60px;min-width:180px;padding:8px 20px;border:1px dashed var(--rival);background:var(--panel);display:flex;flex-direction:column;justify-content:center;cursor:default}
.store small{font-size:12px;color:var(--ink2);line-height:1.2;letter-spacing:.08em;text-transform:uppercase}
.store b{font-weight:600;font-size:17px;line-height:1.3}
.hero-art{display:flex;justify-content:center;padding:10px}

/* observation plate (illustration: a shared tub drawn as a survey plate) */
.phone{position:relative;width:min(310px,100%);padding:16px 16px 14px;border:var(--border);background:var(--panel);display:flex;flex-direction:column;gap:12px;
  outline:1px solid var(--line2);outline-offset:6px}
.phone::before,.phone::after{content:"+";position:absolute;font-family:var(--font-mono);font-size:16px;line-height:1;color:var(--gold-ink)}
.phone::before{left:-16px;top:-18px}.phone::after{right:-16px;bottom:-18px}
.score{display:flex;align-items:center;justify-content:space-between;font-size:13px;letter-spacing:.08em;text-transform:uppercase;gap:6px}
.s-you{color:var(--gold-ink);border-bottom:2px solid var(--gold)}.s-rival{color:var(--rival);border-bottom:2px dashed var(--rival)}.s-time{color:var(--ink2)}
.board-wrap{position:relative}
.tub{display:block;width:100%;height:auto}
.tub .ln{fill:none;stroke:var(--line);stroke-width:1.4}
.tub .fine{fill:none;stroke:var(--line2);stroke-width:1}
.tub .me{fill:var(--panel2);stroke:var(--gold);stroke-width:2}
.tub .op{fill:var(--panel2);stroke:var(--rival);stroke-width:2;stroke-dasharray:5 3}
.tub .hat{fill:none;stroke:var(--line);stroke-width:1;opacity:.75}
.tub .dr{fill:none;stroke:var(--ink2);stroke-width:1.4;stroke-dasharray:2 4}
.tub .lim{fill:none;stroke:var(--gold);stroke-width:1;stroke-dasharray:6 5}
.tub text{font-family:var(--font-mono);font-size:9px;fill:var(--ink);paint-order:stroke;stroke:var(--panel);stroke-width:3px;stroke-linejoin:round;text-anchor:middle}
.tub text.cap{fill:var(--ink2);text-anchor:start;stroke:none;font-size:8px;letter-spacing:.08em}
.plate-cap{margin:0;font-size:11px;letter-spacing:.1em;color:var(--ink2);text-transform:uppercase;display:flex;justify-content:space-between;gap:8px}

/* sections + cards */
.section{padding:24px 0 44px}
.section>h2,.sec-head h2{font-size:clamp(36px,5vw,58px);margin:0 0 28px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:8px 24px}
.sec-head h2{margin-bottom:20px}
.grid.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:24px}
.card{position:relative;padding:24px;border:var(--border);border-radius:var(--radius);background:var(--panel);display:flex;flex-direction:column;gap:14px;min-width:0}
.card.feat::before{content:"";position:absolute;left:-1px;top:-1px;width:18px;height:18px;border-left:2px solid var(--gold);border-top:2px solid var(--gold)}
.card h3{font-size:32px}
.card p{margin:0;color:var(--ink2);font-size:17px}
.card svg .ln{fill:none;stroke:var(--line);stroke-width:1.6}
.card svg .me{fill:var(--panel2);stroke:var(--gold);stroke-width:2}
.card svg .op{fill:var(--panel2);stroke:var(--rival);stroke-width:2;stroke-dasharray:5 3}
.card svg .dr{fill:none;stroke:var(--ink2);stroke-width:1.6;stroke-dasharray:2 4}
.card svg .lim{fill:none;stroke:var(--gold);stroke-width:1.2;stroke-dasharray:5 4}
.card svg .ar{fill:none;stroke:var(--gold);stroke-width:1.8}
.rivals{background:var(--panel2);border-style:dashed}
.rivals h2{font-size:clamp(34px,5vw,52px);color:var(--ink)}
.rivals p{color:var(--ink);font-size:19px;max-width:680px}
.stack{display:flex;flex-direction:column;gap:20px}
.post-card{text-decoration:none;color:var(--ink);flex-direction:row;flex-wrap:wrap;gap:12px 24px}
.post-card:hover{border-color:var(--gold)}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;letter-spacing:.04em;color:var(--ink2);margin:0}
.post-card .post-meta{flex-direction:column;align-items:flex-start;min-width:120px}
.post-main{flex:1;min-width:min(240px,100%);display:flex;flex-direction:column;gap:8px}
.post-main h3{font-size:30px}
.tag{display:inline-block;padding:1px 10px;border:1px solid var(--rival);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.more{font-family:var(--font-mono);font-size:14px;color:var(--gold-ink)}
.cta{margin:8px 0 0}
.cta-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:32px;border:1px solid var(--gold);background:var(--panel);outline:1px solid var(--line2);outline-offset:6px}
.cta h2{font-size:clamp(34px,5vw,50px);margin-bottom:8px}
.cta p{margin:0;color:var(--ink2);max-width:520px}

/* inner pages */
.crumbs{font-size:13px;letter-spacing:.04em;color:var(--ink2);padding:12px 0 4px}
.crumbs a{color:var(--ink2)}
.page-h{font-size:clamp(46px,7vw,84px);margin:8px 0 10px}
.page-h span{color:var(--gold-ink)}
.squig{display:block;margin:0 0 14px}
.squig .ln{stroke:var(--line);stroke-width:1.2}.squig .au{stroke:var(--gold);stroke-width:2}
.prose{max-width:760px;background:var(--panel);border:var(--border);padding:28px 28px 32px;margin-top:12px}
.prose h1{font-size:clamp(40px,6vw,64px);margin-bottom:16px}
.prose h2{font-size:34px;margin:30px 0 8px;padding-top:14px;border-top:1px solid var(--line2)}
.prose h3{font-size:26px;margin:20px 0 6px}
.prose p,.prose li{color:var(--ink)}
.prose ul,.prose ol{padding-left:22px}
.prose pre{overflow-x:auto;background:var(--bg);color:var(--ink);padding:14px;border:1px solid var(--line2)}
.prose code{background:var(--panel2);padding:1px 6px;font-family:var(--font-mono);font-size:.9em}
.prose pre code{background:none;padding:0}
.prose figure{margin:20px 0}
.prose figcaption{font-size:14px;color:var(--ink2)}
.prose blockquote{margin:16px 0;padding:4px 18px;border-left:2px solid var(--gold);background:var(--panel2)}
.prose .lead{margin:0 0 18px}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:16px}
th,td{border:1px solid var(--line2);padding:8px 10px;text-align:left}
th{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;background:var(--panel2)}
.ai-note{font-size:13px;color:var(--ink2)}
.langs ul{padding-left:20px}
.updated{margin:28px 0 0;font-size:13px;letter-spacing:.04em;color:var(--ink2)}
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;margin:28px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:1px solid var(--gold);border-radius:var(--radius);background:var(--gold);color:var(--on-gold);font-family:var(--font-mono);font-size:14px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn:hover{color:var(--on-gold);background:var(--ink);border-color:var(--ink)}.btn.ghost:hover{color:var(--gold-ink);border-color:var(--gold);background:transparent}
.empty{color:var(--ink2)}
.releases{display:flex;flex-direction:column;gap:22px;margin-top:20px}
.release h2{font-size:34px}
.release .meta{font-size:13px;color:var(--ink2)}
.release ul{margin:0;padding-left:22px}
.rel-fallback{font-size:14px}

/* footer */
.site-footer{border-top:var(--border);background:var(--panel)}
.foot-inner{max-width:var(--wrap);margin:0 auto;padding:28px var(--gutter);display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between}
.foot-brand{display:flex;flex-direction:column;gap:4px}
.logo{font-family:var(--font-head);font-style:italic;font-size:30px;line-height:1}
.foot-small{font-size:13px;color:var(--ink2)}
.foot-links{display:flex;flex-wrap:wrap;gap:0 20px;align-content:flex-start;font-family:var(--font-mono);font-size:14px}
.foot-links a{min-height:44px;display:flex;align-items:center;color:var(--ink);text-decoration:none}
.foot-links a:hover{color:var(--gold-ink)}
.foot-langs{flex-basis:100%;margin:0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px}
.foot-langs a[aria-current="true"]{color:var(--ink);text-decoration:none}

@media (max-width:520px){
  :root{--gutter:16px}
  body{font-size:16px}
  .brand{font-size:32px}
  .nav{gap:0 14px;font-size:13px}
  .prose{padding:20px 18px 24px}
  .cta-in{padding:22px}
  .card{padding:20px}
  .store{min-width:0;flex:1 1 150px}
  .phone{outline-offset:4px}
  .phone::before{left:-10px;top:-14px}.phone::after{right:-10px;bottom:-14px}
}
@media (prefers-reduced-motion:no-preference){.post-card,.btn{transition:border-color .15s,background-color .15s,color .15s}}