/* ============================================================
   Datacenter Worker — theme.css
   Design system: dark enterprise / electric blue.
   Single source of truth. Every page links this file.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* --- surface ladder: darkest to lightest --- */
  --bg:#050A12;                          /* Midnight Black — page */
  --bg-2:#081426;                        /* Deep Navy — alternating bands */
  --surface:rgba(8,20,38,.62);           /* Glass panel */
  --surface-solid:#0A1729;               /* Where blur can't be used */
  --raised:#0E1E33;                      /* Active tabs, emphasis */
  --rule:rgba(143,161,184,.19);          /* Every border and divider */
  --rule-solid:#1B2A3E;

  /* --- text ladder: loudest to quietest --- */
  --text:#F5F8FF;                        /* White */
  --muted:#8FA1B8;                       /* Slate Gray */
  --dim:#5C6E86;

  /* --- brand + signal --- */
  --primary:#2E7BFF;                     /* Electric Blue — brand, primary action, ELECTRICAL */
  --cyan:#55C2FF;                        /* Cyan Glow — highlights, MECHANICAL */
  --aqua:#3DD8B0;                        /* LIQUID COOLING, success */
  --coral:#FF6B7A;                       /* EMERGENCY, warning, loss */

  /* --- glow --- */
  --glow-sm:0 0 12px rgba(46,123,255,.22);
  --glow:0 0 28px rgba(46,123,255,.28);
  --shadow-md:0 8px 24px rgba(0,0,0,.42);

  /* --- type --- */
  --sans:'Inter',system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* --- metrics: 8px base unit --- */
  --u:8px;
  --wrap:1280px;
  --pad:24px;
  --r-sm:4px; --r:8px; --r-md:12px; --r-lg:16px; --r-xl:24px;

  /* legacy aliases so existing markup keeps working */
  --amber:#2E7BFF;
  --green:#3DD8B0;
  --rose:#FF6B7A;
}

*{box-sizing:border-box;margin:0;padding:0}

body{
  background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(ellipse 900px 620px at 78% -8%, rgba(46,123,255,.16), transparent 62%),
    radial-gradient(ellipse 700px 520px at 6% 12%, rgba(85,194,255,.08), transparent 60%);
  background-attachment:fixed;
}
a{color:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* ---------- type scale ---------- */
.kicker{font-family:var(--sans);font-size:12px;line-height:16px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
h1{font-size:clamp(38px,5.4vw,64px);line-height:1.08;font-weight:700;letter-spacing:-.015em}
h2{font-size:clamp(26px,3.2vw,32px);line-height:1.25;font-weight:600;letter-spacing:-.005em}
h3{font-size:18px;line-height:26px;font-weight:600}
.lede,.sub{color:var(--muted);font-size:16px;line-height:26px;max-width:64ch}
.fine{font-size:12px;line-height:18px;color:var(--dim)}
.mono{font-family:var(--mono)}  /* opt-in only — never the default */
em.hl{font-style:normal;color:var(--primary)}

section{padding:calc(var(--u)*10) 0;border-top:1px solid var(--rule);scroll-margin-top:72px}

/* ---------- nav: glass, sticky ---------- */
nav{position:sticky;top:0;z-index:40;background:rgba(5,10,18,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--rule)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:46px;width:auto;display:block}
@media(max-width:480px){.logo img{height:36px}}
.nl{display:flex;gap:28px;font-size:14px;font-weight:500;color:var(--muted)}
.nl a{text-decoration:none;transition:color .18s ease}
.nl a:hover{color:var(--text)}
@media(max-width:760px){.nl{gap:16px;font-size:12.5px}}

/* ---------- hero ---------- */
.hero{padding:calc(var(--u)*11) 0 calc(var(--u)*9);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(143,161,184,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(143,161,184,.10) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 74% 62% at 58% 26%,#000,transparent)}
.hero .wrap{position:relative}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);
  font-size:16px;font-weight:500;height:44px;padding:0 22px;border-radius:var(--r);
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-p{background:linear-gradient(135deg,#2E7BFF,#1F63DB);color:#fff;box-shadow:var(--glow-sm)}
.btn-p:hover{transform:translateY(-1px);box-shadow:var(--glow)}
.btn-g{border-color:var(--rule);color:var(--text);background:transparent}
.btn-g:hover{border-color:var(--primary);box-shadow:var(--glow-sm)}
.btn-w{width:100%;justify-content:center}
.ctas{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- glass cards ---------- */
.card{background:var(--surface);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--rule);border-radius:var(--r-lg);
  padding:calc(var(--u)*3);display:flex;flex-direction:column;
  border-top:2px solid var(--ac,var(--primary));
  box-shadow:var(--shadow-md);transition:transform .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md),var(--glow-sm)}
.cardimg{width:calc(100% + 48px);margin:-24px -24px 16px;height:140px;object-fit:cover;
  display:block;border-radius:var(--r-lg) var(--r-lg) 0 0;filter:saturate(.9) brightness(.86)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}

/* ---------- callout ---------- */
.warn{border-left:3px solid var(--primary);padding:16px 20px;
  background:var(--surface);backdrop-filter:blur(12px);
  border-radius:0 var(--r) var(--r) 0;font-size:14px;line-height:22px;
  color:var(--muted);max-width:74ch}
.warn.info{border-left-color:var(--cyan)}
.warn.good{border-left-color:var(--aqua)}
.warn.bad{border-left-color:var(--coral)}
.warn strong{color:var(--text)}

/* ---------- forms ---------- */
label{display:block;margin-top:16px}
label>span,label>span.l{font-size:12px;line-height:16px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
input[type=text],input[type=email],input[type=url],input[type=number],
input[type=date],select,textarea{
  width:100%;margin-top:8px;background:rgba(5,10,18,.7);border:1px solid var(--rule);
  color:var(--text);padding:12px 14px;border-radius:var(--r);
  font-size:16px;font-family:inherit;outline:none;transition:border-color .18s,box-shadow .18s}
input:focus,select:focus,textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,123,255,.15)}
textarea{resize:vertical;min-height:88px}
input[type=file]{width:100%;margin-top:8px;color:var(--muted);font-size:14px}
.g2,.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.g2,.grid2{grid-template-columns:1fr}}

/* ---------- chips ---------- */
.chip{font-size:14px;font-weight:500;padding:8px 16px;border-radius:999px;
  border:1px solid var(--rule);background:transparent;color:var(--muted);cursor:pointer;
  transition:all .18s ease}
.chip:hover{color:var(--text);border-color:var(--muted)}
.chip.on{border-color:var(--primary);background:rgba(46,123,255,.14);color:var(--cyan);
  box-shadow:var(--glow-sm)}

/* ---------- stats bar ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1px;background:var(--rule);border:1px solid var(--rule);
  border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--surface-solid);padding:calc(var(--u)*3);text-align:center}
.stat b{display:block;font-size:30px;font-weight:700;letter-spacing:-.02em;line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th{font-size:12px;letter-spacing:.1em;text-transform:uppercase;text-align:left;
  background:var(--raised);color:var(--text);padding:12px 14px;font-weight:600}
td{padding:12px 14px;border-bottom:1px solid var(--rule);color:var(--muted)}
td:first-child{color:var(--text);font-weight:500}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--rule);padding:calc(var(--u)*5) 0 calc(var(--u)*7);
  font-size:13px;line-height:22px;color:var(--dim);
  background:linear-gradient(180deg,transparent,rgba(8,20,38,.6))}
.footgrid{display:flex;gap:18px;align-items:flex-start}
.footgrid img{flex-shrink:0;opacity:.9;width:52px;height:52px;border-radius:8px}

/* ---------- utility ---------- */
.mt-s{margin-top:12px} .mt-m{margin-top:24px} .mt-l{margin-top:40px}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.btn-p:hover{transform:none}
}

/* ============ conversion layer ============ */
#dcw-exit{position:fixed;inset:0;z-index:90;display:none}
#dcw-exit.on{display:block}
.dcw-scrim{position:absolute;inset:0;background:rgba(3,6,10,.78);backdrop-filter:blur(4px);
  opacity:0;transition:opacity .22s ease}
#dcw-exit.on .dcw-scrim{opacity:1}
.dcw-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-46%) scale(.97);
  width:min(480px,calc(100vw - 32px));background:var(--surface-solid);
  border:1px solid var(--rule);border-top:2px solid var(--primary);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-md),var(--glow);opacity:0;
  transition:opacity .22s ease,transform .22s cubic-bezier(.2,.8,.3,1)}
#dcw-exit.on .dcw-card{opacity:1;transform:translate(-50%,-50%) scale(1)}
.dcw-x{position:absolute;top:12px;right:14px;background:none;border:none;color:var(--muted);
  font-size:26px;line-height:1;cursor:pointer;padding:4px 8px}
.dcw-x:hover{color:var(--text)}
.dcw-k{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.dcw-card h3{font-size:23px;font-weight:700;letter-spacing:-.015em;margin:10px 0 10px;line-height:1.2}
.dcw-card p{font-size:14.5px;line-height:22px;color:var(--muted)}
#dcw-form{display:flex;gap:9px;margin-top:18px;flex-wrap:wrap}
#dcw-email{flex:1;min-width:180px;margin-top:0;height:46px}
.dcw-go{height:46px;padding:0 20px;border:none;border-radius:var(--r);cursor:pointer;
  background:linear-gradient(135deg,#2E7BFF,#1F63DB);color:#fff;font-family:var(--sans);
  font-size:15px;font-weight:500;box-shadow:var(--glow-sm)}
.dcw-go:hover{box-shadow:var(--glow)}
.dcw-msg{font-size:13px;margin-top:11px;min-height:18px;color:var(--muted)}
.dcw-msg.good{color:var(--aqua)} .dcw-msg.bad{color:var(--coral)}
.dcw-alt{margin-top:16px;padding-top:14px;border-top:1px solid var(--rule);
  font-size:12.5px;color:var(--dim);line-height:19px}
.dcw-alt b{color:var(--cyan);font-family:var(--mono);letter-spacing:.04em}

#dcw-sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;padding:11px 14px;
  background:rgba(5,10,18,.93);backdrop-filter:blur(14px);border-top:1px solid var(--rule);
  transform:translateY(110%);transition:transform .24s ease}
#dcw-sticky.on{transform:none}
#dcw-sticky a{flex:1;text-align:center;height:44px;line-height:44px;border-radius:var(--r);
  text-decoration:none;font-size:15px;font-weight:500}
#dcw-sticky a.p{background:linear-gradient(135deg,#2E7BFF,#1F63DB);color:#fff}
#dcw-sticky a.g{border:1px solid var(--rule);color:var(--text)}
@media(min-width:761px){#dcw-sticky{display:none}}