/* samhoward.cloud — presentation layer.
   Loaded by index.html; 404.html deliberately keeps its own copy so the
   error page still renders if this file is missing. */

:root{
  /* Cool near-black ground, violet primary, cyan secondary. */
  --paper:#08070f;
  --deep:#05040a;
  --panel:#120f1e;
  --line:#251f3a;
  --line-soft:#191428;

  --ink:#e4e0f0;
  --steel:#8b85a3;
  --body:#c2bcd6;

  --violet:#8b5cf6;
  --violet-deep:#7c3aed;    /* button ground — passes contrast with white */
  --violet-soft:#a78bfa;
  --cyan:#22d3ee;
  --cyan-soft:#67e8f9;
  --violet-tint:rgba(139,92,246,.12);
  --cyan-tint:rgba(34,211,238,.10);
  --edge:#3b2f5e;

  /* Semantic — the plan diff and demo states, kept inside the duotone. */
  --add:#22d3ee;
  --chg:#a78bfa;
  --ok:#22d3ee;
  --err:#fb7185;

  --code-bg:#0b0916;
  --code-text:#cfc9e0;
  --code-key:#a78bfa;
  --code-str:#67e8f9;
  --code-com:#5a5478;
  --code-num:#453f61;

  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Instrument Sans',system-ui,-apple-system,sans-serif;
  --display:'Space Grotesk',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased}

/* ---------- Ambient layer ----------
   A slow violet/cyan bloom that tracks the pointer. Sits on z-index 0;
   everything else stacks above it. */
.ambient{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px circle at var(--gx,50%) var(--gy,18%), rgba(139,92,246,.15), transparent 62%),
    radial-gradient(520px circle at var(--gx2,62%) var(--gy2,32%), rgba(34,211,238,.10), transparent 58%);
}
nav,header,section,footer,.metrics{position:relative;z-index:1}

/* ---------- Nav ---------- */
nav{
  position:sticky;top:0;z-index:50;background:rgba(8,7,15,.82);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  max-width:1080px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-brand{font-family:var(--mono);font-size:13px;color:var(--ink);text-decoration:none}
.nav-brand b{color:var(--violet-soft);font-weight:500}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{
  font-family:var(--mono);font-size:13px;color:var(--steel);text-decoration:none;
  position:relative;padding-bottom:3px;transition:color .18s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  transform:scaleX(0);transform-origin:right;transition:transform .28s cubic-bezier(.2,.7,.3,1);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1);transform-origin:left}
/* scroll progress */
.prog{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  transform:scaleX(0);transform-origin:left;
}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

/* ---------- Layout helpers ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
section.wrap{padding:56px 24px 0}
#education{padding-bottom:56px}
.eyebrow{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.01em;
  color:var(--cyan);display:flex;align-items:center;gap:16px;margin-bottom:12px;
}
.eyebrow::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,var(--edge),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .8s cubic-bezier(.2,.7,.3,1) .1s;
}
.eyebrow.in::after{transform:scaleX(1)}
h2{font-family:var(--display);font-weight:700;font-size:clamp(28px,3.8vw,40px);letter-spacing:-.02em;line-height:1.15;margin-bottom:34px}

/* ---------- Hero ---------- */
.hero{padding:84px 24px 52px;position:relative;overflow:hidden}
/* drifting dot field, parallaxed by the pointer */
.hero::before{
  content:"";position:absolute;inset:-60px;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px, rgba(139,92,246,.22) 1px, transparent 0);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 45% 40%,#000 30%,transparent 100%);
          mask-image:radial-gradient(ellipse 75% 65% at 45% 40%,#000 30%,transparent 100%);
  transform:translate3d(var(--px,0px),var(--py,0px),0);
  transition:transform .45s cubic-bezier(.2,.7,.3,1);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chips .clearance-chip{margin-bottom:0}
.cert-chip{color:var(--violet-soft);background:var(--violet-tint);border-color:rgba(139,92,246,.32)}
.contact-note{font-family:var(--mono);font-size:12.5px;color:var(--steel);margin-top:22px}
.clearance-chip{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);
  font-size:12.5px;color:var(--cyan-soft);background:var(--cyan-tint);
  border:1px solid rgba(34,211,238,.32);padding:6px 13px;border-radius:3px;margin-bottom:24px;
}
.clearance-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(34,211,238,.55);opacity:1}
  50%{box-shadow:0 0 0 7px rgba(34,211,238,0);opacity:.55}
}
h1{
  font-family:var(--display);font-weight:700;font-size:clamp(48px,7.5vw,80px);
  line-height:1;letter-spacing:-.035em;
}
.hero-sub{
  font-family:var(--display);font-weight:500;font-size:clamp(19px,2.3vw,25px);
  margin:14px 0 20px;line-height:1.28;letter-spacing:-.01em;
  background:linear-gradient(100deg,var(--violet-soft),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lede{color:var(--body);max-width:54ch;margin-bottom:32px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:13.5px;text-decoration:none;padding:13px 22px;border-radius:3px;
  transition:transform .16s ease,box-shadow .28s ease,background .18s,color .18s,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--violet-deep);color:#fff;box-shadow:0 0 0 rgba(139,92,246,0)}
.btn-primary:hover{background:var(--violet);box-shadow:0 6px 30px rgba(139,92,246,.5)}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 6px 26px rgba(34,211,238,.22)}

/* ---------- IaC identity block ---------- */
.iac{
  background:var(--code-bg);color:var(--code-text);border:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;line-height:1.72;overflow:hidden;border-radius:4px;
  box-shadow:0 20px 60px -30px rgba(139,92,246,.5);
}
.iac-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 16px;background:rgba(139,92,246,.06);
  border-bottom:1px solid var(--line);font-size:12px;color:var(--steel);
}
.iac-bar .path b{color:var(--cyan-soft);font-weight:500}
.iac-bar .mode{font-size:11px;color:var(--code-num)}
.iac-code{counter-reset:ln;padding:16px 18px 18px 0;overflow-x:auto}
.iac-code .l{display:block;white-space:pre;padding-left:56px;position:relative}
.iac-code .l::before{
  counter-increment:ln;content:counter(ln);
  position:absolute;left:0;width:34px;text-align:right;
  color:var(--code-num);font-size:11.5px;
}
.iac .k{color:var(--code-key)}
.iac .s{color:var(--code-str)}
.iac .c{color:var(--code-com);font-style:italic}

/* ---------- Metrics ---------- */
.metrics{background:var(--deep);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:56px 0;margin-top:56px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.metric .num{
  font-family:var(--display);font-weight:700;font-size:clamp(34px,4.6vw,50px);
  line-height:1;letter-spacing:-.03em;
  background:linear-gradient(160deg,var(--cyan-soft),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .lbl{font-family:var(--mono);font-size:12.5px;color:var(--steel);margin-top:9px;line-height:1.45}

/* ---------- Hover spotlight ----------
   A soft bloom that follows the cursor inside whichever block you're reading. */
.spot{position:relative}
.spot::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  transition:opacity .35s ease;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%), rgba(139,92,246,.11), transparent 68%);
}
.spot:hover::after{opacity:1}

/* ---------- Experience as `terraform plan` ---------- */
.job{padding:26px 0;border-top:1px solid var(--line-soft);transition:border-color .35s}
.job:last-of-type{border-bottom:1px solid var(--line-soft)}
.job:hover{border-top-color:var(--edge)}
.job-head{display:grid;grid-template-columns:22px 1fr auto;gap:0 14px;align-items:baseline;margin-bottom:14px}
.job-op{font-family:var(--mono);font-size:15px;line-height:1.3}
.job-op.chg{color:var(--chg)}
.job-role{font-family:var(--display);font-weight:600;font-size:22px;line-height:1.25;letter-spacing:-.015em}
.job-role .arrow{color:var(--cyan);padding:0 3px}
.job-org{font-family:var(--mono);font-size:13px;color:var(--steel);margin-top:4px}
.job-when{font-family:var(--mono);font-size:12.5px;color:var(--code-num);white-space:nowrap}
.promo-tag{
  display:inline-block;font-family:var(--mono);font-size:11px;color:var(--chg);
  background:var(--violet-tint);border:1px solid var(--edge);border-radius:2px;
  padding:1px 7px;margin-left:10px;vertical-align:middle;
}
.job-changes{list-style:none;padding-left:36px}
.job-changes li{display:grid;grid-template-columns:20px 1fr;gap:10px;margin-bottom:9px;color:var(--body);align-items:baseline}
.job-changes .op{font-family:var(--mono);font-size:13px}
.job-changes .op.add{color:var(--add)}
.job-changes b{color:var(--ink);font-weight:600}

/* ---------- Projects ---------- */
.proj{padding:34px 0;border-top:1px solid var(--line-soft);transition:border-color .35s}
.proj:last-of-type{border-bottom:1px solid var(--line-soft)}
.proj:hover{border-top-color:var(--edge)}
.proj-top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:4px}
.proj h3{font-family:var(--display);font-weight:600;font-size:24px;line-height:1.25;letter-spacing:-.02em}
.proj-ctx{font-family:var(--mono);font-size:12.5px;color:var(--code-num)}
.proj-lede{color:var(--body);margin:10px 0 20px;max-width:78ch}
.controls-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.ctrl{
  font-family:var(--mono);font-size:11.5px;color:var(--violet-soft);
  background:var(--violet-tint);border:1px solid var(--edge);border-radius:2px;padding:3px 9px;
}
.ctrl.neutral{color:var(--steel);background:transparent;border-color:var(--line)}
.proj-points{list-style:none}
.proj-points li{padding-left:18px;margin-bottom:11px;color:var(--body);border-left:1px solid var(--line);transition:border-color .3s}
.proj-points li:hover{border-left-color:var(--cyan)}
.proj-points b{color:var(--ink);font-weight:600}

/* ---------- SVID attestation demo ---------- */
.svid-demo{margin-top:26px;border:1px solid var(--line);border-radius:4px;background:var(--deep);overflow:hidden}
.svid-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:13px 18px;border-bottom:1px solid var(--line)}
.svid-head .t{font-family:var(--mono);font-size:12.5px;color:var(--cyan-soft)}
.svid-btn{font-family:var(--mono);font-size:12.5px;color:#fff;background:var(--violet-deep);border:none;border-radius:3px;padding:9px 16px;cursor:pointer;transition:background .18s,box-shadow .28s}
.svid-btn:hover{background:var(--violet);box-shadow:0 4px 22px rgba(139,92,246,.45)}
.svid-btn:disabled{opacity:.4;cursor:default;box-shadow:none}
.svid-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:0}
.svid-svg{padding:14px 8px 6px}
.svid-svg svg{width:100%;height:auto;display:block}
.svid-svg .box{fill:var(--panel);stroke:var(--line);rx:3;transition:stroke .3s}
.svid-svg .box.lit{stroke:var(--cyan)}
.svid-svg text{font-family:var(--mono);font-size:11px;fill:var(--steel)}
.svid-svg text.hd{fill:var(--ink)}
.svid-svg .wire{stroke:var(--line);stroke-width:1.5;fill:none}
.svid-svg .wire.pulse{stroke:var(--violet-soft);stroke-width:2;stroke-dasharray:6 8;animation:svidflow .5s linear infinite}
.svid-svg .wire.mtls{stroke:var(--ok);stroke-width:2.5;stroke-dasharray:none}
@keyframes svidflow{to{stroke-dashoffset:-14}}
.svid-log{border-left:1px solid var(--line);padding:14px 18px;font-family:var(--mono);font-size:11.5px;line-height:1.8;color:var(--steel);min-height:220px;display:flex;flex-direction:column;justify-content:flex-end}
.svid-log .ok{color:var(--ok)}
.svid-log .sys{color:var(--code-num)}
.svid-cert{margin:0 18px 16px;border:1px solid var(--edge);border-radius:3px;background:var(--violet-tint);padding:12px 16px;font-family:var(--mono);font-size:12px;display:none}
.svid-cert.show{display:block}
.svid-cert .id{color:var(--cyan-soft);word-break:break-all}
.svid-cert .meta{color:var(--steel);margin-top:4px;display:flex;gap:18px;flex-wrap:wrap}
.svid-ttlbar{height:3px;background:var(--line);border-radius:2px;margin-top:10px;overflow:hidden}
.svid-ttlbar i{display:block;height:100%;background:linear-gradient(90deg,var(--violet),var(--cyan));width:100%;transition:width .95s linear}
.svid-note{padding:0 18px 14px;font-family:var(--mono);font-size:11px;color:var(--code-num)}
@media (max-width:880px){.svid-grid{grid-template-columns:1fr}.svid-log{border-left:none;border-top:1px solid var(--line);min-height:0}}

/* ---------- Gallery unlock demo ---------- */
.gal-email{display:none;margin:0 18px 14px;border:1px solid var(--line);border-radius:3px;background:var(--panel);padding:12px 16px;font-family:var(--mono);font-size:12px;line-height:1.7}
.gal-email.show{display:block}
.gal-email .sub{color:var(--ink)}
.gal-email .k{color:var(--cyan-soft);word-break:break-all}
.gal-email .dim{color:var(--steel)}
.gal-mock{display:none;margin:0 18px 16px;border:1px solid var(--line);border-radius:3px;padding:14px 16px}
.gal-mock.show{display:block}
.gal-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.gal-thumb{position:relative;aspect-ratio:4/3;border-radius:2px;overflow:hidden;border:1px solid var(--line)}
.gal-thumb .ph{position:absolute;inset:0;filter:blur(10px) grayscale(.7);transform:scale(1.15);transition:filter .8s ease,transform .8s ease}
.gal-thumb:nth-child(1) .ph{background:linear-gradient(135deg,#4c1d95,#22d3ee)}
.gal-thumb:nth-child(2) .ph{background:linear-gradient(135deg,#831843,#8b5cf6)}
.gal-thumb:nth-child(3) .ph{background:linear-gradient(135deg,#0e7490,#a78bfa)}
.gal-thumb .lk{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;color:#fff;background:rgba(5,4,10,.55)}
.gal-mock.open .ph{filter:none;transform:scale(1)}
.gal-mock.open .lk{display:none}
.gal-row{display:flex;gap:10px;flex-wrap:wrap}
.gal-row input{flex:1;min-width:180px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:3px;color:var(--ink);font-family:var(--mono);font-size:12px;padding:9px 12px}
.gal-row input:focus{outline:2px solid var(--cyan);outline-offset:1px}
.gal-btn2{font-family:var(--mono);font-size:12px;color:var(--violet-soft);background:var(--violet-tint);border:1px solid var(--edge);border-radius:3px;padding:9px 14px;cursor:pointer;transition:border-color .2s,box-shadow .28s}
.gal-btn2:hover{border-color:var(--violet);box-shadow:0 4px 18px rgba(139,92,246,.35)}
.gal-status{font-family:var(--mono);font-size:11.5px;margin-top:9px;min-height:16px;color:var(--cyan-soft)}
.gal-status.err{color:var(--err)}
.gal-voice{display:flex;align-items:center;gap:10px;margin:12px 18px 0;padding:10px 14px;border:1px solid var(--edge);border-radius:3px;background:var(--violet-tint);font-family:var(--mono);font-size:12.5px;color:var(--violet-soft);opacity:0;transition:opacity .4s,border-color .4s}
.gal-voice.on{opacity:1}
.gal-voice.robot{color:var(--steel);border-color:var(--line);background:var(--panel)}
.gal-voice .spk{font-size:14px}
.gal-voice.on .spk{animation:speak 1.1s ease-in-out infinite}
@keyframes speak{0%,100%{opacity:1}50%{opacity:.35}}
.svid-svg .usb{opacity:0;transform:translateX(-34px);transition:opacity .5s,transform .5s}
.svid-svg .usb.in{opacity:1;transform:none}
.svid-svg .usb rect{fill:var(--panel);stroke:var(--cyan)}
.svid-svg .usb text{fill:var(--cyan);font-size:9px}

/* ---------- Skills ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}
.skill-card{padding:0}
.skill-card h3{
  font-family:var(--mono);font-size:12.5px;font-weight:400;color:var(--cyan);
  margin-bottom:14px;display:flex;align-items:center;gap:12px;
}
.skill-card h3::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  font-family:var(--mono);font-size:12.5px;color:var(--body);background:transparent;
  border:1px solid var(--line);border-radius:2px;padding:3px 9px;
  transition:border-color .22s,color .22s,box-shadow .3s,transform .22s;
}
.tag:hover{border-color:var(--cyan);color:var(--cyan-soft);box-shadow:0 0 18px rgba(34,211,238,.22);transform:translateY(-2px)}

/* ---------- Education ---------- */
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.edu-card{padding:0}
.edu-card h3{font-family:var(--display);font-weight:600;font-size:20px;margin-bottom:4px;line-height:1.25;letter-spacing:-.015em}
.edu-card .sub{font-family:var(--mono);font-size:12.5px;color:var(--steel)}
.cert-list{list-style:none;margin-top:14px}
.cert-list li{
  padding-left:16px;margin-bottom:8px;font-size:15.5px;color:var(--body);
  border-left:1px solid var(--line);line-height:1.5;transition:border-color .3s,color .3s;
}
.cert-list li:hover{border-left-color:var(--cyan);color:var(--ink)}

/* ---------- Contact / footer ---------- */
.contact{background:var(--deep);border-top:1px solid var(--line-soft);text-align:center;padding:56px 0}
.contact h2{margin-bottom:14px}
.contact p{color:var(--body);max-width:50ch;margin:0 auto 34px}
.contact .btn-ghost{border-color:var(--edge);color:var(--cyan-soft)}
.contact .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.footnote{
  background:var(--deep);color:var(--steel);font-family:var(--mono);font-size:12px;
  text-align:center;padding:0 24px 12px;
}
.footnote a{color:var(--cyan-soft);text-decoration:none;transition:color .2s}
.footnote a:hover{color:var(--cyan)}
.edge-line{
  background:var(--deep);color:var(--code-num);font-family:var(--mono);font-size:11.5px;
  text-align:center;padding:0 24px 30px;
}
.edge-line .v{color:var(--cyan-soft)}
.edge-line .sep{opacity:.45;padding:0 7px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transition:opacity .55s ease}
.reveal.in{opacity:1}

/* Grid items default to min-width:auto, so the preformatted .tf block would
   force the page wider than a phone viewport. Let them shrink. */
.hero-grid>*,.svid-grid>*,.metrics-grid>*,.skills-grid>*,.edu-grid>*{min-width:0}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .skills-grid,.edu-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .job-head{grid-template-columns:22px 1fr;gap:0 12px}
  .job-when{grid-column:2;white-space:normal;margin-top:6px}
  .job-changes{padding-left:0}
}
@media (max-width:560px){.gal-thumbs{grid-template-columns:1fr}}
/* Pointer-driven effects are meaningless on touch — drop the cost. */
@media (hover:none){
  .ambient{display:none}
  .spot::after{display:none}
}