/* ============================================================
   neutrons.io — "Deep Field / Enterprise"
   Space is the brand; the product is infrastructure.
   Hero photo: the deep-field nebula from the original
   neutronstorage.io placeholder, self-hosted.
   ============================================================ */

@font-face{font-family:"Space Grotesk";src:url("/static/fonts/SpaceGrotesk-Var.woff2") format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"Orbitron";src:url("/static/fonts/Orbitron-Var.woff2") format("woff2");font-weight:400 900;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("/static/fonts/IBMPlexSans-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("/static/fonts/IBMPlexSans-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("/static/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/static/fonts/IBMPlexMono-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/static/fonts/IBMPlexMono-Medium.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --void:#05070f;            /* page background */
  --panel:#0c111f;
  --panel-2:#111729;
  --rule:rgba(160,175,220,.14);
  --rule-strong:rgba(160,175,220,.30);
  --ink:#eef1fb;
  --ink-2:#b9c2da;
  --dim:#7e88a6;
  --ember:#ff8a52;           /* pulled from the nebula core — the one accent */
  --ember-deep:#e56f3a;
  --display:"Space Grotesk","Plex Sans",system-ui,sans-serif;
  --brand:"Orbitron","Space Grotesk",sans-serif;
  --sans:"Plex Sans",system-ui,-apple-system,sans-serif;
  --mono:"Plex Mono",ui-monospace,monospace;
  --wrap:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--void);
  font-size:16.5px;line-height:1.68;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
a{color:var(--ember);text-decoration:none}
a:hover{color:var(--ember-deep)}
::selection{background:var(--ember);color:#0a0a0a}
img{max-width:100%}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:30;border-bottom:1px solid rgba(160,175,220,.10);
  background:rgba(5,7,15,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.header-in{max-width:var(--wrap);margin:0 auto;padding:18px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand,.brand-mark{font-family:var(--brand);font-weight:700;font-size:17px;letter-spacing:.22em;color:var(--ink)}
.brand .tld,.brand-mark .tld{color:var(--ember);letter-spacing:.08em;font-size:13px}
.brand:hover{color:var(--ink)}
.site-nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.site-nav a{font-family:var(--display);font-weight:500;font-size:15.5px;color:var(--ink-2);
  padding:9px 14px;border-radius:9px}
.site-nav a:hover{color:var(--ink);background:rgba(160,175,220,.07)}
.site-nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ember);border-radius:9px 9px 2px 2px}
.site-nav .nav-cta{margin-left:10px;background:var(--ember);color:#140a05;font-weight:600;
  padding:10px 20px;border-radius:999px}
.site-nav .nav-cta:hover{background:var(--ember-deep);color:#140a05;box-shadow:0 4px 22px rgba(255,138,82,.35)}

/* ---------- hero (home) ---------- */
.hero{
  position:relative;min-height:min(92vh,940px);display:flex;align-items:flex-end;
  background:
    linear-gradient(180deg,rgba(5,7,15,.42) 0%,rgba(5,7,15,.18) 34%,rgba(5,7,15,.55) 72%,var(--void) 100%),
    linear-gradient(100deg,rgba(5,7,15,.72) 0%,rgba(5,7,15,.22) 46%,rgba(5,7,15,0) 70%),
    url("/static/img/deep-field.jpg") center 38%/cover no-repeat #05070f;
}
.hero-inner{max-width:var(--wrap);margin:0 auto;width:100%;padding:170px 28px 110px}
.eyebrow{font-family:var(--brand);font-weight:500;font-size:12px;letter-spacing:.42em;
  text-transform:uppercase;color:var(--ember);margin-bottom:24px}
.hero h1{
  font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.02;
  margin:0 0 24px;font-size:clamp(42px,6.6vw,92px);color:#fff;max-width:14ch;
  text-wrap:balance;text-shadow:0 2px 40px rgba(5,7,15,.65);
}
.hero-sub{font-size:clamp(16.5px,1.9vw,19.5px);color:var(--ink-2);max-width:580px;line-height:1.65;margin:0 0 38px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-family:var(--display);font-weight:600;font-size:16px;
  padding:14px 30px;border-radius:999px;transition:background .2s,box-shadow .2s,border-color .2s}
.btn-solid{background:var(--ember);color:#140a05}
.btn-solid:hover{background:var(--ember-deep);color:#140a05;box-shadow:0 6px 30px rgba(255,138,82,.4)}
.btn-ghost{border:1px solid rgba(238,241,251,.35);color:var(--ink);background:rgba(5,7,15,.3);backdrop-filter:blur(4px)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}

/* gentle load-in for the hero copy */
.hero .eyebrow,.hero h1,.hero-sub,.hero .cta-row{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero h1{animation-delay:.08s}
.hero-sub{animation-delay:.16s}
.hero .cta-row{animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ---------- content bands ---------- */
.band{max-width:var(--wrap);margin:0 auto;padding:96px 28px 8px}
.band-head{max-width:720px;margin-bottom:52px}
.band-head h2,.cta-band h2{font-family:var(--display);font-weight:700;letter-spacing:-.02em;
  line-height:1.08;font-size:clamp(30px,3.8vw,48px);margin:14px 0 0;color:var(--ink);text-wrap:balance}

/* capability cards */
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:18px;padding-bottom:40px}
.cap{position:relative;border:1px solid var(--rule);border-radius:16px;padding:30px 26px 32px;
  background:linear-gradient(180deg,var(--panel),rgba(5,7,15,.4));overflow:hidden;
  transition:border-color .25s,transform .25s}
.cap::before{content:"";position:absolute;top:0;left:26px;right:26px;height:2px;border-radius:2px;
  background:var(--ember);opacity:0;transform:scaleX(.4);transform-origin:left;transition:opacity .25s,transform .35s}
.cap:hover{border-color:var(--rule-strong);transform:translateY(-4px)}
.cap:hover::before{opacity:1;transform:scaleX(1)}
.cap h3{font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:-.01em;margin:0 0 10px;color:var(--ink)}
.cap p{margin:0;color:var(--dim);font-size:15px;line-height:1.65}

/* proof / stats band */
.proof{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  background:linear-gradient(180deg,rgba(12,17,31,.55),rgba(5,7,15,0)) ;margin:60px 0 0}
.proof-in{max-width:var(--wrap);margin:0 auto;padding:56px 28px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:34px}
.stat .v{font-family:var(--display);font-weight:700;font-size:clamp(34px,3.6vw,46px);letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.stat .v small{color:var(--ember);font-size:.55em;font-weight:600;margin-left:2px}
.stat .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-top:8px}

/* article teasers (home) + article list (articles page) */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;padding-bottom:40px}
.article-card{display:block;border:1px solid var(--rule);border-radius:16px;padding:28px 26px 30px;
  background:linear-gradient(180deg,var(--panel),rgba(5,7,15,.4));color:var(--ink-2);
  transition:border-color .25s,transform .25s}
.article-card:hover{border-color:var(--rule-strong);transform:translateY(-4px);color:var(--ink-2)}
.article-card .date{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.article-card h3{font-family:var(--display);font-weight:600;font-size:20px;letter-spacing:-.01em;
  margin:12px 0 10px;color:var(--ink);line-height:1.25}
.article-card p{margin:0 0 18px;font-size:14.5px;color:var(--dim);line-height:1.6}
.article-card .read{font-family:var(--display);font-weight:600;font-size:14.5px;color:var(--ember)}
.article-card:hover .read{color:var(--ember-deep)}

/* CTA band */
.cta-band{position:relative;max-width:var(--wrap);margin:80px auto 0;padding:0 28px}
.cta-band-in{position:relative;border:1px solid var(--rule);border-radius:22px;overflow:hidden;
  padding:76px 40px;text-align:center;
  background:
    radial-gradient(90% 130% at 50% 115%,rgba(255,138,82,.16),transparent 60%),
    linear-gradient(180deg,var(--panel-2),var(--panel))}
.cta-band .eyebrow{margin-bottom:16px}
.cta-band h2{margin:0 auto 18px;max-width:18ch}
.cta-band p{color:var(--ink-2);max-width:520px;margin:0 auto 34px}

/* ---------- inner page header ---------- */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--rule)}
.page-head::before{content:"";position:absolute;inset:0;
  background:url("/static/img/deep-field.jpg") center 30%/cover no-repeat;opacity:.5}
.page-head::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.55),rgba(5,7,15,.82) 70%,var(--void))}
.page-head-in{position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;padding:168px 28px 74px}
.page-head h1{font-family:var(--display);font-weight:700;font-size:clamp(36px,5vw,64px);
  letter-spacing:-.02em;margin:14px 0 12px;line-height:1.05;color:#fff}
.page-head .sub{color:var(--ink-2);font-size:clamp(16px,1.8vw,18.5px);max-width:640px;margin:0}

/* ---------- prose ---------- */
.prose{max-width:760px;margin:0 auto;padding:56px 28px 30px;font-size:17px;color:var(--ink-2)}
.prose .lead{font-size:20.5px;line-height:1.6;color:var(--ink);margin:0 0 28px}
.prose p{margin:0 0 20px}
.prose h2,.prose h3{font-family:var(--display);color:var(--ink);letter-spacing:-.015em;margin:38px 0 14px;font-weight:600}
.prose h2{font-size:26px}
.prose h3{font-size:20px}
.prose a{border-bottom:1px solid rgba(255,138,82,.35)}
.prose strong{color:var(--ink)}
.prose ul{padding-left:22px}
.prose li{margin-bottom:8px}

/* ---------- contact ---------- */
.contact-grid{max-width:var(--wrap);margin:0 auto;padding:56px 28px 40px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.contact-card{border:1px solid var(--rule);border-radius:16px;padding:30px 26px;
  background:linear-gradient(180deg,var(--panel),rgba(5,7,15,.4))}
.contact-card .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.contact-card .v{font-family:var(--display);font-weight:600;font-size:19px;color:var(--ink)}
.contact-card p{margin:10px 0 0;color:var(--dim);font-size:14.5px}

/* ---------- articles feed + story pages ---------- */
.feed{padding-top:52px}
.article-card.feature{grid-column:1/-1;padding:46px 42px 42px}
.article-card.feature h3{font-size:clamp(24px,3.2vw,36px);max-width:22ch;line-height:1.15}
.article-card.feature p{font-size:16px;max-width:660px}
.feed-empty{max-width:var(--wrap);margin:0 auto;color:var(--dim);font-family:var(--mono);font-size:15px;
  border:1px dashed var(--rule-strong);border-radius:14px;padding:44px 28px;text-align:center}
.story-meta{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim);margin-top:20px}
.story-body img{display:block;width:100%;height:auto;border-radius:14px;margin:28px 0;border:1px solid var(--rule)}
.story-body blockquote{border-left:2px solid var(--ember);margin:28px 0;padding:2px 24px;color:var(--ink);font-size:18.5px}
.story-body figure{margin:28px 0}
.story-body figcaption{font-family:var(--mono);font-size:12.5px;color:var(--dim);margin-top:10px}
.story-foot{max-width:760px;margin:0 auto;padding:14px 28px 30px}

/* ---------- contact form ---------- */
.contact-form-wrap{max-width:720px;margin:0 auto;padding:56px 28px 30px}
.form-note{border-radius:12px;padding:16px 20px;margin-bottom:22px;font-size:15px}
.form-note.ok{border:1px solid rgba(120,220,160,.4);background:rgba(120,220,160,.08);color:#bfe9cf}
.form-note.err{border:1px solid rgba(255,120,120,.4);background:rgba(255,120,120,.08);color:#f2c1c1}
.contact-form label{display:block;margin:0 0 18px;font-family:var(--mono);font-size:12px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:8px;padding:13px 15px;
  border-radius:11px;border:1px solid var(--rule-strong);background:rgba(11,16,30,.75);color:var(--ink);
  font-family:var(--sans);font-size:16px;letter-spacing:normal;text-transform:none;box-sizing:border-box}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--ember)}
.contact-form textarea{resize:vertical;line-height:1.6}
.cf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form .hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
.captcha-box{border:1px solid var(--rule);border-radius:14px;padding:20px;margin:4px 0 24px;
  background:linear-gradient(180deg,var(--panel),rgba(5,7,15,.4));display:grid;
  grid-template-columns:auto 1fr;gap:20px;align-items:center}
.captcha-img img{display:block;border-radius:8px;background:#fff}
.captcha-img a{display:inline-block;margin-top:8px;font-family:var(--mono);font-size:12px;color:var(--dim)}
.captcha-img a:hover{color:var(--ember)}
.captcha-box label{margin:0}
.contact-form button.btn{border:none;cursor:pointer;font-size:16px}
@media (max-width:640px){
  .cf-row{grid-template-columns:1fr}
  .captcha-box{grid-template-columns:1fr}
}

/* ---------- 404 ---------- */
.lost{max-width:680px;margin:0 auto;padding:140px 28px 120px;text-align:center}
.lost .code{font-family:var(--brand);font-weight:700;font-size:15px;letter-spacing:.5em;color:var(--ember)}
.lost h1{font-family:var(--display);font-weight:700;font-size:clamp(32px,5vw,52px);letter-spacing:-.02em;margin:20px 0 14px}
.lost p{color:var(--dim);margin:0 0 34px}

/* ---------- footer ---------- */
.site-footer{margin-top:110px;border-top:1px solid var(--rule);background:rgba(8,11,20,.6)}
.footer-in{max-width:var(--wrap);margin:0 auto;padding:52px 28px 58px;display:flex;
  justify-content:space-between;align-items:flex-start;gap:34px;flex-wrap:wrap}
.footer-brand p{margin:12px 0 0;color:var(--dim);font-size:14px;max-width:320px}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{font-family:var(--display);font-weight:500;font-size:14.5px;color:var(--ink-2)}
.footer-nav a:hover{color:var(--ink)}
.footer-fine{flex-basis:100%;margin-top:14px;font-family:var(--mono);font-size:12px;
  letter-spacing:.06em;color:var(--dim)}

/* ---------- a11y / motion / responsive ---------- */
:focus-visible{outline:2px solid var(--ember);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media (max-width:820px){
  .header-in{flex-direction:column;align-items:flex-start;gap:12px;padding:14px 20px}
  .site-nav{width:100%;gap:2px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .site-nav::-webkit-scrollbar{display:none}
  .site-nav a{padding:8px 12px;white-space:nowrap;font-size:14.5px}
  .site-nav .nav-cta{margin-left:4px;padding:8px 16px}
  .hero{min-height:88vh}
  .hero-inner{padding:190px 20px 84px}
  .page-head-in{padding:180px 20px 60px}
  .band{padding:70px 20px 8px}
  .proof-in{gap:26px;padding:46px 20px}
  .cta-band{padding:0 20px}
  .cta-band-in{padding:56px 24px}
  .footer-in,.prose,.contact-grid{padding-left:20px;padding-right:20px}
}