/* ─── Fonts (self-hosted, /fonts) ─────────────────────── */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal; font-weight: 700; font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal; font-weight: 400; font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal; font-weight: 500; font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
}

/* ─── Tokens ──────────────────────────────────────────── */
:root {
  --bg: #0a0d0b;
  --surface: #0f1310;
  --surface-2: #131815;
  --surface-glass: rgba(15, 19, 16, 0.72);
  --surface-glass-strong: rgba(20, 25, 21, 0.82);
  --border: #1f2722;
  --border-strong: #2e3a32;
  --text: #d9dfda;
  --muted: #8d978f;
  --accent: #4cd97b;
  --accent-dim: #2c7a4a;
  --sans: "IBM Plex Sans", ui-sans-serif, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --maxw: 64rem;
}

/* ─── Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-shadow: 0 2px 8px rgba(10, 13, 11, 0.95), 0 1px 3px rgba(10, 13, 11, 0.95);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.mono { font-family: var(--mono); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.print-only { display: none; }

::selection { background: var(--accent-dim); color: var(--text); }

/* ─── Terrain background ─────────────────────────────── */
#terrain-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  width: 100%;
  height: 100%;
  display: block;
}
.terrain-static-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: url('/assets/retezat-hillshade.png') center/cover no-repeat;
  opacity: 0.07;
}
.terrain-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(10, 13, 11, 0.1) 0%, rgba(10, 13, 11, 0.6) 100%);
  width: 100%;
  height: 100%;
  display: block;
}

/* ─── Header ──────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.85rem; padding-bottom: 0.85rem;
}
.brand {
  font-family: var(--mono); font-weight: 500; color: var(--text);
  font-size: 0.95rem;
}
.brand::before { content: "▮ "; color: var(--accent); }
.brand:hover { text-decoration: none; color: var(--accent); }
.nav-links {
  display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

/* ─── Hero ────────────────────────────────────────────── */
.hero {
  padding-top: clamp(4rem, 12vh, 7rem);
  padding-bottom: 3rem;
}
.eyebrow {
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 0.4em;
}
.hero h1::after { content: "_"; color: var(--accent); font-weight: 400; }
.lede {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--muted);
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

.win-banner {
  display: flex; gap: 1rem; align-items: flex-start;
  border: 1px solid rgba(76, 217, 123, 0.15);
  border-left: 3px solid var(--accent);
  background: var(--surface-glass);
  backdrop-filter: blur(8px);
  padding: 1.1rem 1.25rem;
  max-width: 44rem;
}
.win-tag {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--bg); background: var(--accent);
  padding: 0.15rem 0.5rem; margin-top: 0.2rem;
  flex-shrink: 0;
}
.win-title { font-weight: 700; margin-bottom: 0.25em; }
.win-detail { color: var(--muted); margin: 0; font-size: 0.95rem; }
/* links inside running text need more than color to stand out (a11y) */
.win-detail a, .diagram a {
  text-decoration: underline;
  text-decoration-color: var(--accent-dim);
  text-underline-offset: 3px;
}

/* ─── Sections ────────────────────────────────────────── */
.section {
  padding: clamp(5.5rem, 16vh, 9.5rem) 1.25rem;
  border-top: 1px solid var(--border);
}
.section h2 { font-size: 1.6rem; margin-bottom: 0.8em; }
.section-label {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 400;
  color: var(--accent); vertical-align: 0.45em; margin-right: 0.5rem;
}
.section-note { color: var(--muted); margin-bottom: 1.8rem; }

/* ─── Currently building ──────────────────────────────── */
.building-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.building-item {
  display: flex; gap: 1rem; align-items: baseline;
  border: 1px solid var(--border);
  background: var(--surface-glass);
  backdrop-filter: blur(8px);
  padding: 0.8rem 1.1rem;
  transition: border-color 0.15s ease;
}
.building-item:hover { border-color: rgba(76, 217, 123, 0.4); }
.building-status {
  font-family: var(--mono); font-size: 0.75rem; color: var(--accent);
  white-space: nowrap; flex-shrink: 0; min-width: 5.5rem;
}
.building-status::before { content: "● "; }
.building-name { font-weight: 500; }
.building-note { color: var(--muted); margin: 0; font-size: 0.95rem; }

/* ─── Projects ────────────────────────────────────────── */
.featured-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 1rem;
}
.featured-grid .card:first-child { grid-column: 1 / -1; }
.rest-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
}
.card {
  border: 1px solid var(--border);
  background: var(--surface-glass);
  backdrop-filter: blur(8px);
  padding: 1.4rem;
  display: flex; flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card.featured { border-color: rgba(76, 217, 123, 0.25); background: var(--surface-glass-strong); }
.card.featured:hover { border-color: var(--accent); }
.card h3 { font-size: 1.15rem; margin-bottom: 0.5em; }
.card p { color: var(--muted); font-size: 0.95rem; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.8rem; flex-wrap: wrap; }
.badge {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--bg); background: var(--accent);
  padding: 0.18rem 0.5rem; white-space: nowrap;
}
.badge-live { background: transparent; color: var(--accent); border: 1px solid var(--accent-dim); }
.badge-live::before { content: "● "; }
.tags {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin: 0 0 1rem; padding: 0;
}
.tags li {
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
  border: 1px solid var(--border); padding: 0.1rem 0.5rem;
}
.card-links { margin: auto 0 0; font-family: var(--mono); font-size: 0.85rem; }
.card-links a { margin-right: 1.2rem; }

/* ─── Infrastructure ──────────────────────────────────── */
#infra > .container p, #infra > p { max-width: 44rem; }
.diagram-wrap {
  border: 1px solid var(--border);
  background: var(--surface);
  overflow-x: auto;
  margin-top: 1.8rem;
}
.diagram {
  font-family: var(--mono); font-size: 0.85rem; line-height: 1.7;
  margin: 0; padding: 1.4rem 1.6rem;
  color: var(--muted);
}
.diagram a { color: var(--text); }
.diagram a:hover { color: var(--accent); }

/* ─── About ───────────────────────────────────────────── */
.about-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
}
.about-text p { color: var(--text); }
.skills { display: grid; gap: 1.2rem; align-content: start; }
.skill-group h3 {
  font-size: 0.8rem; font-weight: 400; color: var(--accent);
  letter-spacing: 0.05em; margin-bottom: 0.5em;
}
.skill-group .tags { margin-bottom: 0; }

/* ─── Contact ─────────────────────────────────────────── */
.contact-list { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: 0.5rem; }
.contact-list li { display: flex; gap: 1rem; align-items: baseline; }
.contact-label { color: var(--muted); font-size: 0.8rem; min-width: 5.5rem; }
.cv-hint { color: var(--muted); font-size: 0.9rem; }
.linklike {
  background: none; border: none; padding: 0; font: inherit;
  color: var(--accent); cursor: pointer;
}
.linklike:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ─── Footer ──────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
  color: var(--muted); font-size: 0.9rem;
}
.site-footer .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer p { margin: 0; }
.site-footer .mono { font-size: 0.8rem; }

/* ─── Small screens ───────────────────────────────────── */
@media (max-width: 44rem) {
  .nav-links { gap: 0.9rem; }
  /* keep nav one row at 360px: building / projects / contact */
  .nav-links li:nth-child(3), .nav-links li:nth-child(4) { display: none; }
  .featured-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .win-banner { flex-direction: column; gap: 0.6rem; }
  .building-item { flex-direction: column; gap: 0.2rem; }
  .diagram { font-size: 0.75rem; }
}

/* ─── Print: one-page CV ──────────────────────────────── */
@media print {
  :root {
    --bg: #fff; --surface: #fff; --surface-2: #fff;
    --border: #ccc; --border-strong: #999;
    --text: #000; --muted: #222; --accent: #000; --accent-dim: #666;
  }
  @page { margin: 1.2cm; }
  body { font-size: 8.5pt; line-height: 1.32; }
  /* CV keeps: hero + win, projects, infra, about + skills.
     Contact prints as the line under the name. */
  .site-header, .site-footer, .no-print, noscript,
  #building, #contact, .section-note, .card-links { display: none; }
  .print-only { display: block; }
  .print-contact { font-family: var(--mono); font-size: 8pt; margin-top: 0.6em; }
  a { color: #000; text-decoration: none; }

  .hero { padding: 0 0 0.2rem; }
  .hero h1 { font-size: 19pt; margin-bottom: 0.15em; }
  .hero h1::after { content: none; }
  .eyebrow { margin-bottom: 0.2rem; font-size: 8pt; }
  .lede { font-size: 9.5pt; margin-bottom: 0.6rem; max-width: none; }
  .win-banner { padding: 0.4rem 0.7rem; max-width: none; gap: 0.6rem; }
  .win-detail a { display: none; }
  .win-title { margin-bottom: 0; }
  .win-detail { font-size: 9pt; }
  .win-tag { border: 1px solid #000; color: #000; background: none; }

  .section { padding: 0.4rem 1.25rem; border-top: 1px solid #ddd; }
  .section h2 { font-size: 11pt; margin-bottom: 0.4em; }
  .section-label { display: none; }

  .featured-grid, .rest-grid { display: block; margin: 0; }
  .rest-grid { column-count: 2; column-gap: 1.4rem; }
  p { margin-bottom: 0.5em; }
  .card { border: none; padding: 0.06rem 0; break-inside: avoid; }
  .card:hover { transform: none; }
  .card-head { display: inline; }
  .card h3 { display: inline; font-size: 9.5pt; margin: 0; }
  .card h3::after { content: " —"; font-weight: 400; }
  .card p { display: inline; margin: 0; font-size: 9pt; }
  .card p.card-links { display: none; } /* beats the inline rule above */
  .card .tags { display: inline; margin: 0; padding-left: 0.3rem; }
  .card .tags li { display: inline; border: none; padding: 0; font-size: 7.5pt; color: #555; }
  .card .tags li::after { content: " · "; }
  .card .tags li:last-child::after { content: ""; }
  .badge { background: none; color: #000; border: 1px solid #000; font-size: 6.5pt; padding: 0 0.3rem; }
  .badge-live { display: none; }

  #infra p { max-width: none; margin-bottom: 0; }

  .about-grid { display: block; }
  .about-text p:last-child { margin-bottom: 0.4em; }
  .skills { display: block; }
  .skill-group { display: flex; gap: 0.6rem; align-items: baseline; }
  .skill-group h3 { min-width: 5.5rem; margin: 0; font-size: 7.5pt; color: #555; }
  .skill-group .tags { display: inline; margin: 0; }
  .skill-group .tags li { display: inline; border: none; padding: 0; font-size: 8.5pt; }
  .skill-group .tags li::after { content: " · "; }
  .skill-group .tags li:last-child::after { content: ""; }
}