/* ============================================================
   paulyager.com — site stylesheet
   Dark, high-tech, professional. Single theme by design.
   ============================================================ */

:root{
  --bg:        #05080f;
  --bg-2:      #080d18;
  --panel:     #0b1220;
  --panel-2:   #0e1728;
  --line:      rgba(96,165,250,.14);
  --line-hard: rgba(96,165,250,.30);
  --text:      #c9d4e6;
  --text-dim:  #8494ad;
  --text-faint:#5b6a83;
  --accent:    #4cc9f0;
  --accent-2:  #7dd3fc;
  --accent-dim:#2e8fb5;
  --glow:      rgba(76,201,240,.35);
  --amber:     #d3b578;           /* ties to the Instancy brand */
  --mono:      "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:      "Space Grotesk", -apple-system, "Segoe UI", sans-serif;
  --body:      "Inter", -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

/* faint blueprint grid over the whole page */
body::before{
  content:"";
  position:fixed; inset:0;
  background-image:
    linear-gradient(rgba(96,165,250,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96,165,250,.035) 1px, transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
  z-index:0;
}

::selection{ background:rgba(76,201,240,.28); }

a{ color:var(--accent-2); text-decoration:none; }
a:hover{ color:#b6e6ff; }

h1,h2,h3,h4{ font-family:var(--sans); font-weight:600; letter-spacing:.01em; color:#e8eefb; }

img{ max-width:100%; }

.wrap{
  position:relative; z-index:1;
  max-width:1080px;
  margin:0 auto;
  padding-inline:24px;
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; gap:20px;
  min-height:60px;
}
.brand{
  font-family:var(--mono);
  font-size:.95rem;
  color:#e8eefb;
  white-space:nowrap;
}
.brand .tld{ color:var(--accent); }
.brand .cursor{
  display:inline-block; width:.55em; height:1.05em;
  background:var(--accent); vertical-align:text-bottom;
  margin-left:2px; animation:blink 1.1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.nav-links{
  margin-left:auto;
  display:flex; gap:4px; flex-wrap:wrap;
}
.nav-links a{
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.06em;
  color:var(--text-dim);
  padding:7px 12px;
  border-radius:6px;
  border:1px solid transparent;
}
.nav-links a:hover{ color:var(--accent-2); border-color:var(--line); background:rgba(76,201,240,.05); }
.nav-links a.active{ color:var(--accent); border-color:var(--line-hard); background:rgba(76,201,240,.07); }

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:96px 0 72px;
  overflow:hidden;
}
#signal-canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:0;
  opacity:.9;
}
.hero .wrap{ position:relative; z-index:2; }

.kicker{
  font-family:var(--mono);
  font-size:.75rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 18px;
}
.kicker::before{ content:"// "; color:var(--text-faint); }

.hero h1{
  font-size:clamp(2.3rem, 6vw, 3.9rem);
  line-height:1.06;
  margin:0 0 20px;
}
.hero h1 .dim{ color:var(--text-faint); }

.hero .tagline{
  max-width:620px;
  font-size:1.08rem;
  color:var(--text-dim);
  margin:0 0 34px;
}
.hero .tagline strong{ color:var(--text); font-weight:600; }

.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-block;
  font-family:var(--mono);
  font-size:.82rem;
  letter-spacing:.05em;
  padding:12px 22px;
  border-radius:8px;
  border:1px solid var(--line-hard);
  color:var(--accent-2);
  background:rgba(76,201,240,.06);
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{
  background:rgba(76,201,240,.12);
  box-shadow:0 0 24px rgba(76,201,240,.18);
  transform:translateY(-1px);
  color:#d9f3ff;
}
.btn.primary{
  background:linear-gradient(180deg, rgba(76,201,240,.22), rgba(76,201,240,.10));
  color:#eafaff;
}
.btn.ghost{ border-color:var(--line); color:var(--text-dim); background:transparent; }
.btn.ghost:hover{ color:var(--accent-2); }

/* status strip under hero */
.status-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(11,18,32,.55);
}
.status-strip .wrap{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
  gap:0;
}
.stat{
  padding:22px 18px;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:none; }
.stat .num{
  font-family:var(--sans);
  font-size:1.7rem; font-weight:600;
  color:#e8eefb;
}
.stat .num em{ font-style:normal; color:var(--accent); }
.stat .lbl{
  font-family:var(--mono);
  font-size:.7rem; letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--text-faint);
  margin-top:4px;
}

/* ---------- sections ---------- */
section.block{ padding:76px 0 8px; }
.sec-head{ display:flex; align-items:baseline; gap:16px; margin-bottom:34px; }
.sec-head h2{
  font-size:1.6rem; margin:0;
}
.sec-head .idx{
  font-family:var(--mono);
  color:var(--accent);
  font-size:.85rem;
}
.sec-head .rule{
  flex:1; height:1px;
  background:linear-gradient(90deg, var(--line-hard), transparent);
}
.sec-head .more{
  font-family:var(--mono); font-size:.75rem; letter-spacing:.08em;
  color:var(--text-dim); white-space:nowrap;
}
.sec-head .more:hover{ color:var(--accent-2); }

.lede{ max-width:720px; color:var(--text-dim); font-size:1.02rem; }
.lede strong{ color:var(--text); }

/* ---------- career timeline ---------- */
.timeline{ margin-top:38px; border-left:1px solid var(--line-hard); }
.t-item{
  position:relative;
  padding:0 0 40px 34px;
}
.t-item::before{
  content:"";
  position:absolute; left:-6px; top:8px;
  width:11px; height:11px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--accent);
  box-shadow:0 0 10px var(--glow);
}
.t-item .when{
  font-family:var(--mono);
  font-size:.74rem; letter-spacing:.1em;
  color:var(--accent);
}
.t-item h3{ margin:6px 0 2px; font-size:1.12rem; }
.t-item .org{ color:var(--text-dim); font-size:.92rem; margin-bottom:8px; }
.t-item p{ margin:8px 0 0; color:var(--text-dim); max-width:680px; font-size:.95rem; }
.t-item p strong{ color:var(--text); font-weight:600; }

/* ---------- cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:18px;
  margin-top:8px;
}
.card{
  position:relative;
  background:linear-gradient(180deg, var(--panel), var(--panel-2));
  border:1px solid var(--line);
  border-radius:12px;
  padding:26px 24px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  overflow:hidden;
}
.card:hover{
  border-color:var(--line-hard);
  transform:translateY(-2px);
  box-shadow:0 12px 40px rgba(0,0,0,.45), 0 0 0 1px rgba(76,201,240,.08);
}
.card::after{
  content:"";
  position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--accent), transparent 65%);
  opacity:0; transition:opacity .2s ease;
}
.card:hover::after{ opacity:1; }
.card .tag{
  font-family:var(--mono); font-size:.68rem;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent);
}
.card h3{ margin:10px 0 8px; font-size:1.15rem; }
.card p{ margin:0; color:var(--text-dim); font-size:.93rem; }
.card .card-link{
  display:inline-block; margin-top:16px;
  font-family:var(--mono); font-size:.78rem; letter-spacing:.06em;
}
.card .card-link::after{ content:" ->"; color:var(--text-faint); }
.card.amberline .tag{ color:var(--amber); }
.card.amberline::after{ background:linear-gradient(90deg, var(--amber), transparent 65%); }

/* writing section: book feature */
.book-feature{
  display:grid;
  grid-template-columns:minmax(180px,240px) 1fr;
  gap:36px;
  align-items:start;
  background:linear-gradient(180deg, var(--panel), var(--panel-2));
  border:1px solid var(--line);
  border-radius:14px;
  padding:34px;
  margin-bottom:18px;
}
.book-cover{
  aspect-ratio:2/3;
  border-radius:8px;
  border:1px solid rgba(211,181,120,.35);
  background:
    radial-gradient(ellipse 120% 60% at 50% 108%, rgba(211,181,120,.30), transparent 60%),
    radial-gradient(circle at 72% 26%, rgba(211,181,120,.5) 0 5%, transparent 5.5%),
    linear-gradient(180deg, #0a1020, #05070f);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  gap:8px;
  padding:20px;
  text-align:center;
  box-shadow:0 18px 50px rgba(0,0,0,.55);
}
.book-cover .bc-title{
  font-family:var(--sans);
  font-size:1.5rem; letter-spacing:.28em; text-transform:uppercase;
  color:var(--amber);
  text-indent:.28em;
}
.book-cover .bc-sub{
  font-family:var(--mono); font-size:.6rem; letter-spacing:.18em;
  text-transform:uppercase; color:rgba(211,181,120,.7);
}
.book-cover .bc-author{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.22em;
  text-transform:uppercase; color:var(--text-dim);
  margin-top:14px;
}
.book-body h3{ margin:0 0 4px; font-size:1.5rem; }
.book-body .series{
  font-family:var(--mono); font-size:.74rem; letter-spacing:.12em;
  text-transform:uppercase; color:var(--amber);
  margin-bottom:16px;
}
.book-body p{ color:var(--text-dim); max-width:600px; }
.book-body .epigraph{
  font-style:italic; color:var(--text);
  border-left:2px solid var(--amber);
  padding-left:16px; margin:18px 0;
}
.formats{
  display:flex; gap:8px; flex-wrap:wrap; margin:18px 0 22px;
}
.formats span{
  font-family:var(--mono); font-size:.68rem; letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--text-dim);
  border:1px solid var(--line);
  border-radius:20px; padding:5px 12px;
}

/* ---------- blog list ---------- */
.post-list{ display:flex; flex-direction:column; gap:14px; margin-top:8px; }
.post-row{
  display:grid;
  grid-template-columns:130px 1fr;
  gap:20px;
  padding:22px 24px;
  background:linear-gradient(180deg, var(--panel), var(--panel-2));
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .2s ease, transform .2s ease;
}
a.post-row{ color:inherit; }
.post-row:hover{ border-color:var(--line-hard); transform:translateX(3px); }
.post-row .date{
  font-family:var(--mono); font-size:.74rem; letter-spacing:.06em;
  color:var(--accent); padding-top:4px;
}
.post-row h3{ margin:0 0 6px; font-size:1.08rem; }
.post-row p{ margin:0; color:var(--text-dim); font-size:.92rem; }
.post-row .tags{ margin-top:10px; display:flex; gap:8px; flex-wrap:wrap; }
.post-row .tags span{
  font-family:var(--mono); font-size:.66rem; letter-spacing:.08em;
  color:var(--text-faint);
  border:1px solid var(--line); border-radius:14px; padding:2px 10px;
}
.empty-note{ color:var(--text-faint); font-family:var(--mono); font-size:.85rem; }

/* ---------- article page ---------- */
.article{
  max-width:720px;
  margin:0 auto;
  padding:64px 24px 40px;
  position:relative; z-index:1;
}
.article .kicker{ margin-bottom:12px; }
.article h1{ font-size:clamp(1.8rem, 4.5vw, 2.6rem); line-height:1.15; margin:0 0 10px; }
.article .meta{
  font-family:var(--mono); font-size:.78rem; color:var(--text-dim);
  letter-spacing:.05em;
  border-bottom:1px solid var(--line);
  padding-bottom:22px; margin-bottom:34px;
}
.article-body{ font-size:1.04rem; }
.article-body h2{ font-size:1.35rem; margin-top:2.2em; }
.article-body h3{ font-size:1.1rem; margin-top:1.8em; }
.article-body blockquote{
  margin:1.6em 0; padding:4px 0 4px 20px;
  border-left:2px solid var(--accent-dim);
  color:var(--text-dim); font-style:italic;
}
.article-body code{
  font-family:var(--mono); font-size:.86em;
  background:rgba(76,201,240,.08);
  border:1px solid var(--line);
  border-radius:5px; padding:1px 6px;
}
.article-body pre{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  padding:18px 20px;
  overflow-x:auto;
}
.article-body pre code{ background:none; border:none; padding:0; }
.article-body hr{ border:none; height:1px; background:var(--line); margin:2.4em 0; }
.back-link{
  font-family:var(--mono); font-size:.78rem; letter-spacing:.06em;
}
.back-link::before{ content:"<- "; color:var(--text-faint); }

/* ---------- resume page ---------- */
.resume-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:20px; flex-wrap:wrap;
  padding:56px 0 28px;
  border-bottom:1px solid var(--line);
}
.resume-head h1{ margin:0; font-size:2.2rem; }
.resume-head .sub{ color:var(--text-dim); margin-top:6px; }
.resume-grid{
  display:grid; grid-template-columns:2.1fr 1fr; gap:56px;
  padding:44px 0 30px;
}
.r-job{ margin-bottom:36px; }
.r-job .when{ font-family:var(--mono); font-size:.72rem; letter-spacing:.1em; color:var(--accent); }
.r-job h3{ margin:6px 0 0; font-size:1.1rem; }
.r-job .org{ color:var(--text-dim); font-size:.9rem; margin-bottom:10px; }
.r-job ul{ margin:8px 0 0; padding-left:20px; color:var(--text-dim); font-size:.93rem; }
.r-job li{ margin-bottom:6px; }
.r-job li strong{ color:var(--text); font-weight:600; }
.r-side h4{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--accent);
  margin:0 0 14px;
}
.r-side .r-sec{ margin-bottom:36px; }
.skill-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.skill-tags span{
  font-family:var(--mono); font-size:.7rem; letter-spacing:.05em;
  color:var(--text-dim);
  border:1px solid var(--line);
  border-radius:6px; padding:5px 10px;
}
.r-side p{ color:var(--text-dim); font-size:.92rem; margin:0 0 8px; }
.r-side p strong{ color:var(--text); }

/* ---------- contact / footer ---------- */
.contact-band{
  margin-top:80px;
  border-top:1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 120% at 50% 120%, rgba(76,201,240,.10), transparent 60%),
    var(--bg-2);
  text-align:center;
  padding:76px 0 70px;
}
.contact-band h2{ font-size:1.9rem; margin:0 0 12px; }
.contact-band p{ color:var(--text-dim); max-width:520px; margin:0 auto 30px; }
.contact-band .email{
  font-family:var(--mono); font-size:1rem;
}

.site-footer{
  border-top:1px solid var(--line);
  padding:26px 0 34px;
  background:var(--bg);
}
.site-footer .wrap{
  display:flex; justify-content:space-between; align-items:center;
  gap:16px; flex-wrap:wrap;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.06em;
  color:var(--text-faint);
}
.site-footer a{ color:var(--text-dim); }
.site-footer a:hover{ color:var(--accent-2); }
.foot-links{ display:flex; gap:18px; flex-wrap:wrap; }

/* ---------- responsive ---------- */
@media (max-width:760px){
  .hero{ padding:64px 0 52px; }
  .book-feature{ grid-template-columns:1fr; padding:24px; }
  .book-cover{ max-width:210px; }
  .resume-grid{ grid-template-columns:1fr; gap:8px; }
  .post-row{ grid-template-columns:1fr; gap:6px; }
  .nav-links a{ padding:6px 8px; }
}

/* ---------- print (resume) ---------- */
@media print{
  body{ background:#fff; color:#111; }
  body::before, .site-header, .site-footer, .contact-band, .no-print{ display:none !important; }
  .resume-head h1, .r-job h3, h4{ color:#000; }
  .r-job .when{ color:#333; }
  .r-job ul, .r-job .org, .r-side p{ color:#222; }
  .skill-tags span{ border-color:#bbb; color:#222; }
  .resume-grid{ grid-template-columns:1fr; gap:0; }
  a{ color:#111; text-decoration:none; }
}