/* =========================================================
   Scott Fingar — personal site
   Terminal / hacker dark theme
   ========================================================= */

:root {
  --bg:        #080b12;
  --bg-soft:   #0c111b;
  --panel:     #0f1623;
  --panel-2:   #131c2c;
  --border:    rgba(120, 160, 200, 0.12);
  --border-hi: rgba(43, 255, 136, 0.35);

  --text:      #c6d2e0;
  --text-dim:  #8a99ad;
  --muted:     #74839b;

  --green:     #2bff88;
  --green-dim: #1fbf66;
  --cyan:      #36d4ff;
  --amber:     #ffcf5e;
  --red:       #ff5f7e;

  --glow:      rgba(43, 255, 136, 0.45);
  --glow-soft: rgba(43, 255, 136, 0.12);

  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --maxw: 1080px;
  --radius: 12px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--green); text-decoration: none; transition: color .18s ease; }

/* skip-to-content — visible only when focused via keyboard */
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 100;
  padding: 10px 16px; border-radius: 8px;
  background: var(--green); color: #04130a; font-family: var(--mono); font-size: .9rem;
  transform: translateY(-160%); transition: transform .18s ease;
}
.skip-link:focus { transform: none; color: #04130a; outline: 2px solid #04130a; }

/* keyboard focus ring that matches the theme */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 2px;
}
main:focus { outline: none; } /* skip-link target — no ring on the whole page */
a:hover { color: var(--cyan); }
h1, h2, h3 { line-height: 1.2; margin: 0; }
img { max-width: 100%; display: block; }
::selection { background: var(--green); color: #04130a; }

/* ---------- background fx ---------- */
#matrix {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  opacity: 0.07; pointer-events: none;
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(43,255,136,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,255,136,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
section { padding: 96px 0; position: relative; z-index: 1; }
.section-tag {
  font-size: .82rem; color: var(--green); letter-spacing: .08em;
  display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 14px;
}
.section-tag::before { content: "//"; color: var(--muted); }
.section-title { font-size: clamp(1.5rem, 3.4vw, 2.1rem); color: #eef3fa; margin-bottom: 8px; }
.section-sub { color: var(--text-dim); max-width: 60ch; margin-bottom: 40px; }

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(8, 11, 18, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { font-weight: 700; color: #eef3fa; letter-spacing: .02em; }
.brand .dot { color: var(--green); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--text-dim); font-size: .9rem; position: relative; padding: 4px 0;
}
.nav-links a::before { content: "./"; color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-toggle { display: none; background: none; border: 0; color: var(--green); font-size: 1.4rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero { padding-top: 70px; padding-bottom: 60px; }
.terminal {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-soft) 100%);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(43,255,136,.04) inset;
  overflow: hidden;
  max-width: 760px;
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.term-bar .dots { display: flex; gap: 7px; }
.term-bar .dots span { width: 12px; height: 12px; border-radius: 50%; display: block; }
.term-bar .dots .r { background: #ff5f56; }
.term-bar .dots .y { background: #ffbd2e; }
.term-bar .dots .g { background: #27c93f; }
.term-bar .title { color: var(--muted); font-size: .8rem; margin-left: 8px; }
.term-body { padding: 24px 22px 30px; font-size: .98rem; }
.term-line { white-space: pre-wrap; }
.term-line .prompt { color: var(--green); }
.term-line .path { color: var(--cyan); }
.term-line .cmd { color: #eef3fa; }
.term-out { color: var(--text-dim); margin: 4px 0 18px; }
.term-out .hl { color: var(--text); }
.cursor {
  display: inline-block; width: 9px; height: 1.1em; background: var(--green);
  margin-left: 2px; vertical-align: text-bottom; animation: blink 1.05s steps(1) infinite;
  box-shadow: 0 0 8px var(--glow);
}
@keyframes blink { 50% { opacity: 0; } }

.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  color: #f3f7fc; margin: 34px 0 10px; letter-spacing: -0.01em;
}
.hero h1 .accent { color: var(--green); text-shadow: 0 0 24px var(--glow-soft); }
.hero .role { color: var(--text-dim); font-size: clamp(1rem, 2.4vw, 1.25rem); margin-bottom: 26px; }
.hero .role b { color: var(--cyan); font-weight: 600; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  font-family: var(--mono); font-size: .92rem; cursor: pointer;
  padding: 11px 20px; border-radius: 8px; border: 1px solid var(--border-hi);
  color: var(--green); background: var(--glow-soft); transition: all .18s ease;
}
.btn:hover { background: var(--green); color: #04130a; box-shadow: 0 0 24px var(--glow); transform: translateY(-2px); }
.btn.ghost { border-color: var(--border); color: var(--text-dim); background: transparent; }
.btn.ghost:hover { color: #fff; border-color: var(--cyan); box-shadow: 0 0 20px rgba(54,212,255,.25); transform: translateY(-2px); }

/* ---------- cards (projects/articles) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg-soft) 120%);
  padding: 24px; position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
}
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), var(--glow-soft), transparent 60%);
  transition: opacity .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-hi); box-shadow: 0 24px 50px -24px rgba(0,0,0,.7); }
.card:hover::after { opacity: 1; }
.card .ico { font-size: 1.4rem; margin-bottom: 14px; color: var(--green); }
.card h3 { color: #eef3fa; font-size: 1.12rem; margin-bottom: 8px; }
.card .desc { color: var(--text-dim); font-size: .92rem; flex: 1; }
.card .meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag { font-size: .72rem; padding: 4px 9px; border-radius: 5px; border: 1px solid var(--border); color: var(--text-dim); }
.card .links { display: flex; gap: 16px; margin-top: 16px; font-size: .86rem; }
.card .links a { display: inline-flex; align-items: center; gap: 5px; }
.card.soon { border-style: dashed; opacity: .82; }
.card.soon .ico { color: var(--muted); }
.status-pill {
  position: absolute; top: 16px; right: 16px; font-size: .68rem; letter-spacing: .06em;
  padding: 3px 9px; border-radius: 20px; border: 1px solid var(--border);
  color: var(--green); background: rgba(43,255,136,0.06);
}
.status-pill.draft { color: var(--amber); border-color: rgba(255,207,94,.3); background: rgba(255,207,94,.05); }
.status-pill.wip   { color: var(--muted); }

/* article card specifics */
.card.article .read { color: var(--muted); font-size: .78rem; margin-bottom: 10px; display: flex; flex-wrap: wrap; gap: 4px 10px; padding-right: 88px; }
.card.article h3 a { color: #eef3fa; }
.card.article h3 a:hover { color: var(--green); }

/* ---------- contact ---------- */
.contact-box {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); padding: 34px; max-width: 640px;
}
.contact-box .term-line { margin-bottom: 18px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-links a { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-size: .98rem; }
.contact-links a:hover { color: var(--green); }
.contact-links .k { color: var(--muted); width: 92px; display: inline-block; }
.contact-links .arrow { color: var(--green); }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--border); padding: 30px 0; position: relative; z-index: 1;
  color: var(--muted); font-size: .82rem;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer.site .blink { color: var(--green); }

/* =========================================================
   Article reading pages
   ========================================================= */
.article-page { background: var(--bg); }
.article-shell { max-width: 760px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.article-hero { padding: 60px 0 30px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.back-link { color: var(--text-dim); font-size: .85rem; display: inline-flex; gap: 6px; margin-bottom: 26px; }
.back-link:hover { color: var(--green); }
.article-hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.5rem); color: #f3f7fc; margin-bottom: 16px; line-height: 1.18; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: .85rem; align-items: center; }
.article-meta .dotsep::before { content: "•"; margin-right: 14px; color: var(--border-hi); }
.article-meta .ext { margin-left: auto; }

.article-body { font-family: var(--sans); color: #b9c6d6; font-size: 1.04rem; line-height: 1.75; padding-bottom: 80px; }
.article-body h2 {
  font-family: var(--mono); color: #eef3fa; font-size: 1.32rem; margin: 44px 0 14px;
  padding-left: 14px; border-left: 3px solid var(--green);
}
.article-body h3 { color: #e2e9f2; font-size: 1.1rem; margin: 30px 0 10px; }
.article-body p { margin: 0 0 18px; }
.article-body strong { color: #eef3fa; }
.article-body a { color: var(--green); text-decoration: underline; text-decoration-color: rgba(43,255,136,.35); }
.article-body a:hover { color: var(--cyan); }
.article-body ul { margin: 0 0 18px; padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body code {
  font-family: var(--mono); font-size: .9em; color: var(--green);
  background: rgba(43,255,136,0.07); padding: 2px 6px; border-radius: 5px;
}
.codeblock {
  font-family: var(--mono); font-size: .86rem; color: var(--text);
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 0 0 22px;
}
.codeblock.bad { border-color: rgba(255,95,126,.3); }
.codeblock.good { border-color: rgba(43,255,136,.3); }
.codeblock .lbl { display: block; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.codeblock.bad .lbl { color: var(--red); }
.codeblock.good .lbl { color: var(--green); }
.callout {
  border: 1px solid var(--border); border-left: 3px solid var(--cyan);
  background: rgba(54,212,255,0.05); border-radius: 8px; padding: 16px 18px; margin: 0 0 22px;
  font-family: var(--mono); font-size: .92rem; color: var(--text-dim);
}
.article-fig { margin: 0 0 26px; }
.article-fig img {
  width: 100%; height: auto; border: 1px solid var(--border); border-radius: 10px;
  background: #fff; /* diagram is dark-on-white; pad it so it reads on the dark page */
  padding: 14px;
}
.article-fig figcaption {
  font-family: var(--mono); font-size: .82rem; color: var(--muted);
  margin-top: 10px; padding-left: 12px; border-left: 2px solid var(--border-hi);
}
.author-box {
  margin-top: 50px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); font-family: var(--mono); font-size: .9rem; color: var(--text-dim);
}
.author-box strong { color: var(--green); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  section { padding: 72px 0; }
}
@media (max-width: 640px) {
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(72vw, 280px);
    flex-direction: column; align-items: flex-start; gap: 20px;
    background: var(--bg-soft); border-left: 1px solid var(--border);
    padding: 80px 28px; transform: translateX(100%); transition: transform .25s ease;
  }
  .nav-links.open { transform: none; }
  .nav-toggle { display: block; z-index: 60; }
  .term-body { font-size: .82rem; }
  .cta-row .btn { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
}

/* ---------- print (article pages read well on paper) ---------- */
@media print {
  body { background: #fff; color: #1a2430; font-size: 11pt; }
  #matrix, .bg-grid, header.nav, .back-link, footer.site, .skip-link { display: none !important; }
  .article-shell { max-width: none; padding: 0; }
  .article-hero { padding-top: 0; border-color: #ccc; }
  .article-hero h1 { color: #000; }
  .article-meta, .article-body { color: #1a2430; }
  .article-body h2, .article-body h3, .article-body strong { color: #000; }
  .article-body h2 { border-left-color: #000; }
  .article-body a { color: #000; text-decoration-color: #999; }
  /* show link targets so printed references stay usable */
  .article-body a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .85em; color: #555; }
  .article-body code { color: #000; background: #f0f0f0; }
  .codeblock, .callout, .author-box { background: #f7f7f7; border-color: #ccc; color: #1a2430; box-shadow: none; break-inside: avoid; }
  .codeblock .lbl, .author-box strong { color: #000; }
  .article-fig { break-inside: avoid; }
  .article-fig img { border-color: #ccc; padding: 0; }
  .article-fig figcaption { color: #555; border-left-color: #999; }
}