/* ===== ARKWRIGHT DEV LOG — blog.acarr.org ===== */
:root{
  --bg:#05080c; --bg2:#0a0f16;
  --ink:#e8eef5; --dim:#8a99a8; --faint:#56636f; --steel:#cdd8e4;
  --amber:#ff8a3c; --amber-soft:#e0a458;
  --teal:#54d6e6; --teal-deep:#2dd4bf; --toxic:#9bd45e; --red:#e2483f;
  --edge:rgba(120,150,170,.16);
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  background:radial-gradient(120% 80% at 50% -10%,#0b1018 0,var(--bg) 60%);
  color:var(--ink); font-family:"Rajdhani",system-ui,sans-serif; font-size:18px; line-height:1.68;
  overflow-x:hidden; -webkit-font-smoothing:antialiased; min-height:100vh;
}
a{color:inherit;text-decoration:none}
em{color:var(--teal);font-style:normal}
strong{color:var(--amber-soft);font-weight:600}

/* ---------- overlays (shared look with arkwright) ---------- */
.grain{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain .5s steps(3) infinite}
@keyframes grain{0%{transform:translate(0,0)}50%{transform:translate(-4%,3%)}100%{transform:translate(3%,-2%)}}
.vignette{position:fixed;inset:0;z-index:88;pointer-events:none;
  box-shadow:inset 0 0 220px 60px rgba(0,0,0,.7), inset 0 0 60px 10px rgba(0,0,0,.4)}
.scanlines{position:fixed;inset:0;z-index:89;pointer-events:none;opacity:.25;
  background:repeating-linear-gradient(to bottom,transparent 0 2px,rgba(0,0,0,.16) 2px 3px)}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:80;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(18px,4vw,40px);background:linear-gradient(to bottom,rgba(5,8,12,.92),rgba(5,8,12,.5) 70%,transparent);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--edge)}
.brand{font-family:"Chakra Petch",sans-serif;font-weight:600;letter-spacing:.18em;font-size:15px;display:flex;align-items:center;gap:.55em;text-transform:uppercase}
.brand-mark{color:var(--amber);font-size:.92em;transform:translateY(-1px)}
.topnav{display:flex;align-items:center;gap:clamp(14px,3vw,28px);font-family:"Chakra Petch",sans-serif;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.topnav a{color:var(--dim);transition:color .25s}
.topnav a:hover{color:var(--ink)}
.topnav-cta{color:var(--teal)!important;border:1px solid var(--edge);padding:7px 13px;border-radius:2px}
.topnav-cta:hover{border-color:var(--teal);background:rgba(84,214,230,.08)}

/* ---------- layout ---------- */
.app{max-width:var(--maxw);margin:0 auto;padding:clamp(26px,5vw,54px) clamp(18px,4vw,22px) 40px}

/* ---------- masthead (index) ---------- */
.masthead{padding:8px 0 30px;border-bottom:1px solid var(--edge);margin-bottom:34px}
.mast-kicker{font-family:"Chakra Petch",sans-serif;font-size:12px;letter-spacing:.42em;color:var(--teal);text-transform:uppercase;text-shadow:0 0 18px rgba(84,214,230,.3)}
.mast-title{font-family:"Anton",sans-serif;font-weight:400;letter-spacing:.02em;line-height:.96;
  font-size:clamp(44px,9vw,84px);margin:12px 0 10px;
  background:linear-gradient(180deg,#fff 0%,#cdd8e4 45%,#8c98a4 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.mast-tagline{font-size:clamp(16px,2.4vw,20px);color:var(--dim);max-width:54ch}
.mast-status{margin-top:16px;font-family:"Chakra Petch",sans-serif;font-size:11px;letter-spacing:.26em;color:var(--faint);text-transform:uppercase;display:flex;align-items:center;gap:.6em}
.led{width:.5em;height:.5em;border-radius:50%;background:var(--toxic);box-shadow:0 0 .6em var(--toxic);animation:led 3.2s steps(1,end) infinite;flex:0 0 auto}
@keyframes led{0%,82%{opacity:1}86%,100%{opacity:.3}}

/* ---------- cards (index list) ---------- */
.card{display:block;padding:22px 22px 20px;border:1px solid var(--edge);border-radius:5px;
  background:linear-gradient(180deg,rgba(18,24,33,.5),rgba(10,15,22,.3));transition:border-color .25s,transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.card:hover{border-color:rgba(84,214,230,.5);transform:translateY(-2px);box-shadow:0 14px 40px -22px rgba(0,0,0,.9)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--amber);opacity:0;transition:opacity .25s}
.card:hover::before{opacity:.8}
.card-meta{display:flex;align-items:center;gap:14px;font-family:"Chakra Petch",sans-serif;font-size:11px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;margin-bottom:11px}
.card-meta time{color:var(--dim)}
.card-flag{color:var(--amber);display:inline-flex;align-items:center;gap:.4em}
.card-read{margin-left:auto;color:var(--faint)}
.card-title{font-family:"Oswald",sans-serif;font-weight:600;font-size:clamp(22px,3.4vw,30px);line-height:1.1;letter-spacing:.01em;color:var(--ink)}
.card-dek{color:var(--steel);font-size:16px;margin-top:5px}
.card-excerpt{color:var(--dim);font-size:16px;margin-top:9px}
.card-cue{display:inline-block;margin-top:13px;font-family:"Chakra Petch",sans-serif;font-size:11px;letter-spacing:.24em;color:var(--teal);text-transform:uppercase}

.card--feature{padding:28px 26px 24px;border-color:rgba(84,214,230,.28);
  background:linear-gradient(180deg,rgba(22,30,40,.6),rgba(10,15,22,.35))}
.card--feature .card-title{font-size:clamp(28px,5vw,42px);background:linear-gradient(180deg,#fff,#aeb9c4);-webkit-background-clip:text;background-clip:text;color:transparent}
.card--feature .card-dek{font-size:18px;color:var(--steel)}

.post-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:18px}

/* ---------- tags ---------- */
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.tag{font-family:"Chakra Petch",sans-serif;font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dim);border:1px solid var(--edge);border-radius:2px;padding:3px 8px}

/* ---------- single post ---------- */
.backlink{display:inline-block;font-family:"Chakra Petch",sans-serif;font-size:12px;letter-spacing:.22em;color:var(--teal);text-transform:uppercase;margin-bottom:24px}
.backlink:hover{color:var(--ink)}
.post-head{border-bottom:1px solid var(--edge);padding-bottom:22px;margin-bottom:28px}
.post-meta{display:flex;align-items:center;gap:14px;font-family:"Chakra Petch",sans-serif;font-size:11px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase;margin-bottom:14px}
.post-flag{color:var(--amber);display:inline-flex;align-items:center;gap:.45em}
.post-title{font-family:"Anton",sans-serif;font-weight:400;letter-spacing:.01em;line-height:1.02;font-size:clamp(34px,7vw,60px);
  background:linear-gradient(180deg,#fff,#bcc6d1);-webkit-background-clip:text;background-clip:text;color:transparent}
.post-dek{color:var(--steel);font-size:clamp(17px,2.6vw,21px);margin-top:12px}
.post-body{font-size:18.5px;line-height:1.78;color:#d7dee7}
.post-body h2{font-family:"Oswald",sans-serif;font-weight:600;font-size:26px;letter-spacing:.01em;color:var(--ink);margin:32px 0 10px}
.post-body p{margin:0 0 18px}
.post-body a{color:var(--teal);border-bottom:1px solid rgba(84,214,230,.35)}
.post-body a:hover{border-color:var(--teal)}
.post-body ul,.post-body ol{margin:0 0 18px 1.1em;color:#cdd6e0}
.post-body li{margin:6px 0}
.post-body blockquote{margin:24px 0;padding:14px 20px;border-left:2px solid var(--amber);background:rgba(255,138,60,.05);
  color:var(--steel);font-style:italic}
.post-body .logline{font-family:"Chakra Petch",sans-serif;font-style:normal;font-size:13px;letter-spacing:.12em;
  color:var(--toxic);text-transform:uppercase;border-top:1px solid var(--edge);padding-top:16px;margin-top:26px}

/* prev / next */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px;padding-top:24px;border-top:1px solid var(--edge)}
.pn{display:flex;flex-direction:column;gap:5px;padding:15px 17px;border:1px solid var(--edge);border-radius:4px;
  font-family:"Oswald",sans-serif;font-size:16px;color:var(--steel);transition:border-color .25s,background .25s}
.pn:hover{border-color:rgba(84,214,230,.5);background:rgba(84,214,230,.05)}
.pn span{font-family:"Chakra Petch",sans-serif;font-size:10px;letter-spacing:.22em;color:var(--faint);text-transform:uppercase}
.pn-next{text-align:right;align-items:flex-end}

/* not found */
.notfound{text-align:center;padding:60px 0}

/* ---------- footer ---------- */
.foot{text-align:center;padding:34px 22px;font-family:"Chakra Petch",sans-serif;font-size:12px;letter-spacing:.14em;
  color:var(--dim);border-top:1px solid var(--edge);text-transform:uppercase;margin-top:30px}
.foot-dim{color:var(--faint);text-transform:none;letter-spacing:.04em;font-family:"Rajdhani",sans-serif}
.foot-dim a{color:var(--teal)}

/* ---------- responsive ---------- */
@media(max-width:560px){
  body{font-size:17px}
  .post-nav{grid-template-columns:1fr}
  .pn-next{text-align:left;align-items:flex-start}
  .card-read{display:none}
  .topnav a:not(.topnav-cta){display:none}
}
@media(prefers-reduced-motion:reduce){.grain,.led{animation:none}.led{opacity:1}html{scroll-behavior:auto}}