/* ============================================================
   InfoCraft LLC / Sean Parrish: shared site theme
   Matches the NEO presentation aesthetic: black, matrix green,
   mono headings. Zero dependencies.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-void: #000000;
  --bg-primary: #0a0a0a;
  --bg-surface: #111111;
  --bg-surface-raised: #1a1a1a;
  --bg-surface-hover: #222222;
  --border: #2a2a2a;
  --border-light: #1a1a1a;
  --text-primary: #e0e0e0;
  --text-secondary: #999999;
  --text-muted: #555555;
  --neo-green: #00ff41;
  --neo-green-dim: #00cc33;
  --neo-glow: rgba(0,255,65,0.4);
  --accent-cyan: #00cccc;
  --amber: #ff9900;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Menlo', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --radius: 4px;
  --radius-lg: 8px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--neo-green); }
a:hover { text-shadow: 0 0 10px var(--neo-glow); }

::selection { background: var(--neo-green); color: #000; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 1.5px;
  white-space: nowrap;
}

.site-brand .accent { color: var(--neo-green); }
.site-brand:hover { text-shadow: 0 0 12px var(--neo-glow); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  white-space: nowrap;
}

.site-nav a:hover { color: var(--neo-green); text-shadow: none; }

.site-nav a.active {
  color: var(--neo-green);
  border-bottom: 1px solid var(--neo-green);
  padding-bottom: 2px;
}

.nav-social { display: flex; align-items: center; gap: 12px; }
.nav-social a { display: inline-flex; opacity: 0.7; transition: opacity 0.2s; }
.nav-social a:hover { opacity: 1; text-shadow: none; }
.nav-social img { width: 18px; height: 18px; display: block; }

/* Mobile nav (checkbox toggle, no JS) */
.nav-toggle-input { display: none; }

.nav-toggle {
  display: none;
  cursor: pointer;
  font-family: var(--font-mono);
  color: var(--neo-green);
  font-size: 1.3rem;
  line-height: 1;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  user-select: none;
}

@media (max-width: 880px) {
  .header-inner { padding: 12px 20px; flex-wrap: wrap; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 0 6px;
    border-top: 1px solid var(--border-light);
    margin-top: 10px;
  }
  .site-nav a { padding: 8px 4px; font-size: 0.95rem; }
  .nav-toggle-input:checked ~ .site-nav { display: flex; }
  .nav-social { padding: 8px 4px; }
}

/* ============================================================
   PAGE LAYOUT
   ============================================================ */
.page-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 40px 100px;
  flex: 1;
}

/* Centered variant: symmetric, screen-filling sections */
.centered { text-align: center; }
.centered .page-desc { margin-left: auto; margin-right: auto; }
.centered .section-label { text-align: center; }
.centered .chip-row { justify-content: center; }
.centered .btn-row { justify-content: center; }

.page-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-title .accent { color: var(--neo-green); }

.page-desc {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 760px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 40px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--neo-green); text-shadow: none; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--neo-green-dim);
  margin: 3.2rem 0 1.2rem;
}

.section-label::before { content: '// '; color: var(--text-muted); }

/* ============================================================
   COMPONENTS
   ============================================================ */

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--neo-green);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}

.card:hover {
  border-color: var(--neo-green);
  box-shadow: 0 0 20px rgba(0,255,65,0.12);
  transform: translateY(-2px);
}

a.card { display: block; text-decoration: none; color: inherit; }
a.card:hover { text-shadow: none; }

.card h3 {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
}

.card .card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neo-green-dim);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

/* Chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-primary);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  white-space: nowrap;
}

.chip.hot { border-color: var(--neo-green-dim); color: var(--neo-green); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

.stat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  text-align: center;
}

.stat .num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--neo-green);
  display: block;
  line-height: 1.2;
}

.stat .label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 6px;
  display: block;
}

/* Timeline (experience) */
.timeline { border-left: 2px solid var(--border); padding-left: 28px; }

.tl-item { position: relative; padding-bottom: 2.6rem; }
.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: '';
  position: absolute;
  left: -35px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-void);
  border: 2px solid var(--neo-green);
  box-shadow: 0 0 8px var(--neo-glow);
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neo-green-dim);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.tl-role { font-size: 1.15rem; font-weight: 600; color: var(--text-primary); }

.tl-org {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.tl-item ul { list-style: none; margin-top: 10px; }

.tl-item ul li {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

.tl-item ul li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--neo-green);
  font-family: var(--font-mono);
}

.tl-item .tl-summary {
  color: var(--text-primary);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* Buttons */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 1px;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: var(--radius);
  transition: all 0.25s;
}

.btn-primary {
  background: var(--neo-green);
  color: #000;
  font-weight: 700;
  border: 1px solid var(--neo-green);
}

.btn-primary:hover {
  box-shadow: 0 0 24px var(--neo-glow);
  text-shadow: none;
}

.btn-ghost {
  color: var(--neo-green);
  border: 1px solid var(--neo-green-dim);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(0,255,65,0.08);
  box-shadow: 0 0 16px rgba(0,255,65,0.15);
  text-shadow: none;
}

/* Symmetric fixed grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ============================================================
   HOVER POP-UP BUBBLE (data-tip)
   Minimal surface, detail on hover. Keyboard/touch friendly
   via tabindex + :focus-within.
   ============================================================ */
[data-tip] { position: relative; cursor: help; }

[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: min(340px, 82vw);
  background: var(--bg-surface-raised);
  border: 1px solid var(--neo-green-dim);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: normal;
  text-transform: none;
  text-align: left;
  color: var(--text-primary);
  box-shadow: 0 8px 30px rgba(0,0,0,0.6), 0 0 20px rgba(0,255,65,0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 300;
  pointer-events: none;
  white-space: normal;
}

[data-tip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px; height: 10px;
  background: var(--bg-surface-raised);
  border-right: 1px solid var(--neo-green-dim);
  border-bottom: 1px solid var(--neo-green-dim);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  z-index: 301;
  pointer-events: none;
}

[data-tip]:hover::after,
[data-tip]:focus::after,
[data-tip]:focus-within::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

[data-tip]:hover::before,
[data-tip]:focus::before,
[data-tip]:focus-within::before {
  opacity: 1;
  visibility: visible;
}

/* Bubble opens downward for items near the top of a section */
[data-tip].tip-below::after {
  bottom: auto;
  top: calc(100% + 12px);
  transform: translateX(-50%) translateY(-6px);
}

[data-tip].tip-below::before {
  bottom: auto;
  top: calc(100% + 6px);
  transform: translateX(-50%) rotate(225deg);
}

[data-tip].tip-below:hover::after,
[data-tip].tip-below:focus::after,
[data-tip].tip-below:focus-within::after {
  transform: translateX(-50%) translateY(0);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border-light);
  padding: 36px 40px;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin-bottom: 14px;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--neo-green); text-shadow: none; }

.site-footer .copy { color: var(--text-muted); font-size: 0.78rem; }

@media (max-width: 600px) {
  .page-wrap { padding: 40px 20px 80px; }
  .page-title { font-size: 1.5rem; }
  .site-footer { padding: 28px 20px; }
}