/* ============================================================
   SOCPilots — socpilots.com
   One stylesheet. No framework, no build step.

   Two discipline rules govern this file:
   1. Cyan is the system. Severity colours mean severity, never decoration.
   2. Monospace is for machine data only, never for section labels.
   ============================================================ */

/* --- IBM Plex, self-hosted latin subset. No third-party requests. ------- */
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:100 700;font-display:swap;
  src:url('/assets/fonts/plex-sans-var.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/assets/fonts/plex-mono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('/assets/fonts/plex-mono-500.woff2') format('woff2')}

/* --- tokens ------------------------------------------------------------ */
:root{
  --ground:#04090C;
  --surface:#0A1419;
  --raised:#0F1D24;
  --sunken:#020506;

  --cyan:#00F5D4;
  --blue:#20C7FF;

  /* functional severity scale — only ever used to encode severity */
  --crit:#FF4757;
  --high:#FF9F3A;
  --med:#F2C94C;
  --low:#2ECBFF;

  --ink:#E9F3F6;
  --ink-2:#A8C0C9;
  --muted:#8CA9B4;
  --dim:#7093A0;

  --line:rgba(0,245,212,.13);
  --line-2:rgba(0,245,212,.26);
  --line-soft:rgba(168,192,201,.14);

  --sans:'IBM Plex Sans',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;

  --gut:clamp(20px,5vw,64px);
  --max:1260px;
  --r:3px;
}

/* --- base -------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;min-width:320px;
  background:var(--ground);color:var(--ink);
  font:400 1.0625rem/1.62 var(--sans);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;z-index:100;
  padding:12px 18px;background:var(--cyan);color:#001217;font-weight:600}
.skip:focus{left:12px;top:12px}

/* --- layout primitives -------------------------------------------------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.band{padding-block:clamp(60px,9vw,116px)}
.band--tight{padding-block:clamp(44px,6vw,72px)}
.band--edge{border-top:1px solid var(--line)}
.band--sunk{background:var(--sunken)}

/* --- typography --------------------------------------------------------- */
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.022em;line-height:1.12}
h1{font-size:clamp(2.5rem,6.2vw,4.4rem);letter-spacing:-.035em;line-height:1.01}
h2{font-size:clamp(1.75rem,3.3vw,2.6rem);letter-spacing:-.028em}
h3{font-size:1.1875rem;letter-spacing:-.012em}
p{margin:0 0 1.1em;max-width:68ch}
p:last-child{margin-bottom:0}

.lead{font-size:clamp(1.0625rem,1.7vw,1.3rem);line-height:1.55;color:var(--ink-2);max-width:52ch}
.sub{color:var(--muted)}
.tiny{font-size:.8125rem;line-height:1.5;color:var(--dim)}

/* mono = machine data only */
.data{font:500 .78125rem/1.4 var(--mono);letter-spacing:.015em;color:var(--blue);
  font-variant-numeric:tabular-nums}
.data--dim{color:var(--dim)}
.data--cy{color:var(--cyan)}

.h-lead{max-width:22ch}
.intro{max-width:60ch;margin-top:20px}

/* --- buttons ------------------------------------------------------------ */
.btn{display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;border-radius:var(--r);border:1px solid transparent;
  font-weight:600;font-size:.96875rem;letter-spacing:-.005em;cursor:pointer;
  transition:background-color .16s ease,border-color .16s ease,color .16s ease}
.btn--go{background:var(--cyan);color:#001217}
.btn--go:hover{background:#5BFFE6}
.btn--line{border-color:var(--line-2);color:var(--ink)}
.btn--line:hover{border-color:var(--cyan);background:rgba(0,245,212,.06)}
.btn--sm{padding:9px 16px;font-size:.875rem}

.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* --- topbar ------------------------------------------------------------- */
.topbar{position:sticky;top:0;z-index:40;
  background:rgba(4,9,12,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.topbar__in{display:flex;align-items:center;gap:26px;min-height:70px;
  max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand svg{width:30px;height:30px}
.brand__name{font-weight:600;font-size:1.1875rem;letter-spacing:-.03em}
.brand__name b{font-weight:600;color:var(--cyan)}

.mainnav{display:flex;gap:clamp(14px,2.2vw,30px);margin-left:auto}
.mainnav a{font-size:.9375rem;color:var(--ink-2);padding-block:6px;
  border-bottom:1px solid transparent;transition:color .15s ease,border-color .15s ease}
.mainnav a:hover{color:var(--ink)}
.mainnav a[aria-current="page"]{color:var(--cyan);border-bottom-color:var(--cyan)}

.topbar__act{display:flex;align-items:center;gap:10px;flex-shrink:0}

.burger{display:none;margin-left:auto;width:42px;height:42px;
  background:none;border:1px solid var(--line-2);border-radius:var(--r);cursor:pointer}
.burger span{display:block;width:17px;height:1.5px;margin:3.5px auto;background:var(--ink)}

/* --- hero instrument ---------------------------------------------------- */
.instr{border-block:1px solid var(--line);background:var(--surface)}
.instr__bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:11px var(--gut);border-bottom:1px solid var(--line);
  max-width:var(--max);margin-inline:auto}
.instr__title{font:500 .78125rem/1 var(--mono);letter-spacing:.04em;color:var(--muted)}
.instr__title b{color:var(--ink);font-weight:500}

.srcs{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.src{padding:6px 13px;border:1px solid var(--line);border-radius:var(--r);
  background:none;cursor:pointer;
  font:500 .78125rem/1 var(--mono);letter-spacing:.03em;color:var(--muted);
  transition:color .15s ease,border-color .15s ease,background-color .15s ease}
.src:hover{color:var(--ink);border-color:var(--line-2)}
.src[aria-pressed="true"]{color:#001217;background:var(--cyan);border-color:var(--cyan)}

.matrix{max-width:var(--max);margin-inline:auto;padding:20px var(--gut) 24px;
  display:grid;grid-template-columns:repeat(14,1fr);gap:5px}
.tac{min-width:0}
.tac__h{font-size:.65625rem;letter-spacing:-.005em;line-height:1.25;color:var(--muted);
  hyphens:manual;overflow-wrap:normal;
  height:3.4em;overflow:hidden;margin-bottom:9px;
  border-bottom:1px solid var(--line-soft);padding-bottom:6px}
.tac__cells{display:flex;flex-direction:column;gap:4px}
.cell{height:13px;border-radius:1px;background:rgba(168,192,201,.07);
  transform:scaleX(.18);transform-origin:left;opacity:0}
.cell.on{animation:ignite .34s cubic-bezier(.2,.8,.3,1) forwards}
@keyframes ignite{to{transform:scaleX(1);opacity:1}}
.cell.l1{background:rgba(0,245,212,.19)}
.cell.l2{background:rgba(0,245,212,.46)}
.cell.l3{background:var(--cyan);box-shadow:0 0 9px rgba(0,245,212,.4)}

.instr__foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  max-width:var(--max);margin-inline:auto;padding:0 var(--gut) 16px}
.key{display:flex;align-items:center;gap:7px;font:400 .75rem/1 var(--mono);color:var(--muted)}
.key i{width:18px;height:9px;border-radius:1px;display:block}

/* --- hero copy ---------------------------------------------------------- */
.hero{padding-block:clamp(48px,7vw,88px)}
.hero h1{max-width:22ch}
.hero h1 span{display:block}
.hero .lead{margin-top:24px}

.facts{display:flex;flex-wrap:wrap;gap:0;margin-top:52px;
  border-top:1px solid var(--line)}
.fact{flex:1 1 180px;padding:20px 24px 0 0;border-right:1px solid var(--line-soft)}
.fact:last-child{border-right:0}
.fact b{display:block;font:500 1.75rem/1 var(--mono);color:var(--ink);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.fact span{display:block;margin-top:8px;font-size:.875rem;color:var(--muted);max-width:24ch}

/* --- section heads ------------------------------------------------------ */
.head{max-width:var(--max);margin-bottom:clamp(32px,4vw,52px)}
.head h2{max-width:20ch}
.head p{margin-top:18px;color:var(--ink-2);max-width:58ch}

/* --- datasheet rows (the card-kit replacement) -------------------------- */
.sheet{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr) 150px;
  gap:clamp(18px,3vw,44px);align-items:start;
  padding-block:clamp(24px,3vw,34px);border-bottom:1px solid var(--line)}
.row__t{min-width:0}
.row__t h3{margin-bottom:7px}
.row__t .data{color:var(--dim)}
.row__d{color:var(--ink-2);font-size:1rem;min-width:0}
.row__d p{max-width:58ch}
.row__m{min-width:0;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.row__m .data{color:var(--cyan)}

/* --- pillar grid (used sparingly, 2-up not 3-up card kit) --------------- */
.pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr));
  gap:1px;background:var(--line);border:1px solid var(--line)}
.pane{background:var(--ground);padding:clamp(24px,3vw,34px)}
.pane h3{margin-bottom:10px}
.pane p{color:var(--ink-2);font-size:.96875rem}
.pane .data{margin-bottom:14px;color:var(--dim)}

/* --- support matrix table ----------------------------------------------- */
.tbl-scroll{overflow-x:auto;border:1px solid var(--line)}
table.cap{width:100%;border-collapse:collapse;min-width:640px}
table.cap th,table.cap td{padding:14px 18px;text-align:left;
  border-bottom:1px solid var(--line-soft);font-size:.9375rem;vertical-align:top}
table.cap thead th{background:var(--surface);color:var(--ink);font-weight:600;
  border-bottom:1px solid var(--line-2);white-space:nowrap}
table.cap tbody th{font-weight:500;color:var(--ink);width:34%}
table.cap tbody th small{display:block;margin-top:4px;font-weight:400;
  font-size:.8125rem;color:var(--muted)}
table.cap tr:last-child th,table.cap tr:last-child td{border-bottom:0}
.yes{color:var(--cyan);font-weight:600}
.no{color:var(--dim)}
.part{color:var(--med)}

/* --- severity chips (severity colours, used as severity) ---------------- */
.sev{display:inline-flex;align-items:center;gap:6px;
  font:500 .71875rem/1 var(--mono);letter-spacing:.05em;
  padding:5px 9px;border-radius:2px;border:1px solid currentColor}
.sev i{width:5px;height:5px;border-radius:50%;background:currentColor;display:block}
.sev--crit{color:var(--crit)}
.sev--high{color:var(--high)}
.sev--med{color:var(--med)}
.sev--low{color:var(--low)}

/* --- panels (product mockups) ------------------------------------------- */
.panel{border:1px solid var(--line);background:var(--surface);border-radius:var(--r)}
.panel__bar{display:flex;align-items:center;gap:12px;padding:11px 16px;
  border-bottom:1px solid var(--line)}
.panel__bar b{font:500 .78125rem/1 var(--mono);letter-spacing:.04em;color:var(--ink);font-weight:500}
.panel__bar .data{margin-left:auto}
.panel__body{padding:18px}
.panel__cap{padding:0 16px 13px;font:400 .71875rem/1.4 var(--mono);color:var(--dim)}

/* alert queue mock */
.q{list-style:none;margin:0;padding:0}
.q li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;
  padding:11px 0;border-bottom:1px solid var(--line-soft)}
.q li:last-child{border-bottom:0}
.q b{font-weight:500;font-size:.9375rem;color:var(--ink);min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* two-column feature block */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:clamp(28px,5vw,72px);align-items:center}
.split--rev .split__fig{order:-1}
.split__fig{min-width:0}

/* --- steps (a real sequence, so numbering is earned) -------------------- */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;border-top:1px solid var(--line)}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px minmax(0,1fr);
  gap:20px;padding-block:22px;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);
  font:500 .78125rem/1.5 var(--mono);color:var(--cyan)}
.steps h3{margin-bottom:6px;font-size:1.0625rem}
.steps p{color:var(--ink-2);font-size:.96875rem}

/* --- deployment comparison ---------------------------------------------- */
.deploy{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));
  gap:1px;background:var(--line);border:1px solid var(--line)}
.deploy__col{background:var(--ground);padding:clamp(26px,3.4vw,38px)}
.deploy__col h3{font-size:1.375rem;margin-bottom:8px}
.deploy__col > .data{color:var(--cyan)}
.deploy__col ul{list-style:none;margin:22px 0 0;padding:0}
.deploy__col li{position:relative;padding:9px 0 9px 22px;font-size:.96875rem;
  color:var(--ink-2);border-bottom:1px solid var(--line-soft)}
.deploy__col li::before{content:"";position:absolute;left:0;top:16px;
  width:9px;height:1px;background:var(--cyan)}
.deploy__col li:last-child{border-bottom:0}

/* --- form ---------------------------------------------------------------- */
.form{display:grid;gap:18px;max-width:560px}
.field{display:grid;gap:7px}
.field label{font-size:.9375rem;font-weight:500;color:var(--ink)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r);
  border:1px solid var(--line-2);background:var(--sunken);color:var(--ink);
  font:400 1rem/1.5 var(--sans);transition:border-color .15s ease}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);outline:none}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.note{padding:14px 16px;border-radius:var(--r);font-size:.9375rem;border:1px solid}
.note--ok{border-color:var(--cyan);background:rgba(0,245,212,.07);color:var(--ink)}
.note--bad{border-color:var(--crit);background:rgba(255,71,87,.08);color:#FFD9DD}
.note[hidden]{display:none}

/* --- footer -------------------------------------------------------------- */
.foot{border-top:1px solid var(--line);background:var(--sunken);
  padding-block:clamp(40px,5vw,60px)}
.foot__grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px)}
.foot h4{font-size:.875rem;font-weight:600;color:var(--ink);margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:9px}
.foot a{font-size:.9375rem;color:var(--muted);transition:color .15s ease}
.foot a:hover{color:var(--cyan)}
.foot__end{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  margin-top:clamp(32px,4vw,48px);padding-top:22px;border-top:1px solid var(--line-soft)}

/* --- 404 ----------------------------------------------------------------- */
.lost{min-height:58vh;display:flex;flex-direction:column;justify-content:center}


/* --- utilities that replace inline styles, so style-src can stay 'self' --- */
h1 + .lead,
h2 + .lead{margin-top:24px}
.foot__tag{margin-top:14px;max-width:34ch}
.footnote{margin-top:20px;max-width:64ch}
.aside{margin-top:22px}
.aside h3{margin-bottom:10px}
.aside p{font-size:.96875rem}
.key--end{margin-left:auto}
.key i.k0{background:rgba(168,192,201,.07)}
.key i.k1{background:rgba(0,245,212,.19)}
.key i.k2{background:rgba(0,245,212,.46)}
.key i.k3{background:var(--cyan)}
.lnk{color:var(--cyan)}
.lnk:hover{text-decoration:underline}
.q b a{color:var(--ink)}
.q b a:hover{color:var(--cyan)}
.data--crit{color:var(--crit)}
.form .btn-row{margin-top:4px}
.lost > .data{font-size:.9375rem}
.lost h1{margin-top:14px}

/* --- responsive ---------------------------------------------------------- */
@media (max-width:1080px){
  .row{grid-template-columns:minmax(0,1fr) 140px}
  .row__d{grid-column:1/-1}
}
@media (max-width:900px){
  .mainnav,.topbar__act{display:none}
  .burger{display:block}
  .topbar.open .mainnav{display:flex;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;gap:0;padding:10px var(--gut) 18px;
    background:var(--ground);border-bottom:1px solid var(--line)}
  .topbar.open .mainnav a{padding:13px 0;border-bottom:1px solid var(--line-soft)}
  .topbar.open .topbar__act{display:flex;position:absolute;left:0;right:0;top:100%;
    margin-top:238px;padding:0 var(--gut) 20px;background:var(--ground)}
  /* One scrollable band rather than a reflowed wall — the matrix stays an
     instrument and the headline stays reachable on a phone. */
  .matrix{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:92px;
    overflow-x:auto;overscroll-behavior-x:contain;padding-bottom:14px;
    scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
  .matrix::-webkit-scrollbar{height:6px}
  .matrix::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}
  .tac__h{height:3.4em}
  .split{grid-template-columns:1fr}
  .split--rev .split__fig{order:0}
  .foot__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .row{grid-template-columns:1fr;gap:12px}
  .row__m{flex-direction:row;flex-wrap:wrap;gap:10px}
  .matrix{grid-auto-columns:84px}
  .cell{height:11px}
  .fact{flex-basis:calc(50% - 1px);border-right:0;padding-right:0}
  .foot__grid{grid-template-columns:1fr}
  .instr__bar{gap:10px}
  .srcs{margin-left:0;width:100%}
}

/* --- motion & contrast preferences --------------------------------------- */
@media (prefers-reduced-motion:reduce){
  .cell,.cell.on{animation:none!important;transform:none;opacity:1}
  *{transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}
@media (prefers-contrast:more){
  :root{--muted:#C2D6DD;--dim:#A6C0CA;--line:rgba(0,245,212,.3);--line-soft:rgba(168,192,201,.3)}
}