/* davidovic.dev — house stylesheet
   Mirrors the Triage design system: deep-navy instrument-panel surfaces,
   mint accent as punctuation, Geist/Geist Mono, sharp corners, borders
   carry structure. Pills are the only round elements. */

@font-face {
  font-family: 'Geist';
  src: url('assets/fonts/geist-var.woff2') format('woff2');
  font-weight: 300 900;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('assets/fonts/geist-mono-var.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
}

:root {
  /* surfaces */
  --bg:            #0A0E1A;
  --bg-elev-1:     #11172A;
  --bg-elev-2:     #1A2138;
  /* borders */
  --border:        #232C45;
  --border-mid:    #2F3A57;
  --border-strong: #3D4A6D;
  /* foreground */
  --fg:            #E6EAF4;
  --fg-strong:     #FFFFFF;
  --fg-muted:      #8892A8;
  --fg-dim:        #5A6378;
  /* accents — punctuation, never washes */
  --mint:          #00E5BE;
  --mint-bright:   #2BFFD4;
  --mint-soft:     rgba(0, 229, 190, 0.12);
  --mint-line:     rgba(0, 229, 190, 0.32);
  /* type */
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'JetBrains Mono', Menlo, monospace;
  /* shape & depth */
  --r-1: 2px;
  --r-2: 4px;
  --r-3: 6px;
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --inset-hi: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  /* motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
}

* { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
body {
  background-color: var(--bg);
  background-image:
    radial-gradient(560px 420px at 85% -80px, rgba(0, 229, 190, 0.08), transparent 65%),
    radial-gradient(420px 320px at 0% 0%, rgba(0, 229, 190, 0.05), transparent 60%),
    radial-gradient(circle, rgba(230, 234, 244, 0.055) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px;
  background-repeat: no-repeat, no-repeat, repeat;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--mint-soft); }
:focus-visible { outline: 1px solid var(--mint); outline-offset: 2px; }

a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--mint-line);
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--mint-bright); border-color: var(--mint); }

/* ---- hero ------------------------------------------------------------- */
.hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 96px 24px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 14px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--fg-strong);
  margin: 0 0 16px;
}
.hero h1 .mark { color: var(--mint); }
.location {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 20px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid var(--mint-line);
  background: var(--mint-soft);
  color: var(--mint);
}
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
}
.intro { color: var(--fg-muted); max-width: 560px; margin: 0 0 28px; }
.intro a { color: var(--fg); }
.intro a:hover { color: var(--mint-bright); }

.avatar {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
}

.links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.links a {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border-mid);
  padding-bottom: 2px;
}
.links a:hover { color: var(--fg); border-color: var(--border-strong); }
.links .cta {
  background: var(--mint);
  border: 1px solid var(--mint);
  border-radius: var(--r-2);
  color: #06080F;
  font-weight: 600;
  padding: 9px 16px;
  transition: background var(--dur-fast) var(--ease-out);
}
.links .cta:hover { background: var(--mint-bright); border-color: var(--mint-bright); color: #06080F; }

/* ---- collapsible section panels ---------------------------------------- */
main { max-width: 880px; margin: 0 auto; padding: 0 24px 64px; }
details {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-md), var(--inset-hi);
  margin-bottom: 14px;
  transition: border-color var(--dur-fast) var(--ease-out);
}
details:hover, details[open] { border-color: var(--border-mid); }
summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
.num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
  background: var(--mint-soft);
  border: 1px solid var(--mint-line);
  border-radius: var(--r-1);
  padding: 2px 6px;
  flex-shrink: 0;
}
.sum-text { flex: 1; min-width: 0; }
summary h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg-strong);
  margin: 0;
}
.chev {
  flex-shrink: 0;
  color: var(--fg-muted);
  transition: transform var(--dur-base) var(--ease-out);
}
details[open] .chev { transform: rotate(90deg); }

.sec-body {
  padding: 16px 20px 20px;
  border-top: 1px dashed var(--border);
  margin: 0 0;
}
details[open] .sec-body { animation: reveal var(--dur-base) var(--ease-out); }
@keyframes reveal {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}
.sec-body p { color: var(--fg); margin: 0 0 14px; }
h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-strong);
  margin: 22px 0 8px;
}
.sec-body h3:first-child { margin-top: 4px; }
code {
  font-family: var(--mono);
  font-size: 0.92em;
  letter-spacing: -0.01em;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 1px 6px;
  border-radius: var(--r-2);
}
.banner {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  margin: 4px 0 18px;
}
.stack {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
  margin: 18px 0 0;
}
.stack a { color: var(--fg-muted); border-color: var(--border-mid); }
.stack a:hover { color: var(--mint-bright); border-color: var(--mint); }

/* ---- footer ------------------------------------------------------------ */
footer {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--fg-dim);
  padding: 40px 24px 56px;
}
footer p { margin: 0 0 7px; }
.colophon a { color: var(--fg-muted); border-color: var(--border-mid); }
.colophon a:hover { color: var(--mint-bright); }

@media (max-width: 640px) {
  .hero {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 28px;
    padding: 56px 18px 36px;
  }
  .hero h1 { font-size: 31px; }
  .avatar { width: 92px; height: 92px; }
  main { padding: 0 14px 48px; }
  summary { padding: 15px 16px; gap: 12px; }
  summary h2 { font-size: 16px; }
  .sec-body { padding: 14px 16px 16px; }
}