@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0B0D10;
  --surface: #15181D;
  --surface-raised: #1B1F26;
  --line: #262B33;
  --line-faint: #1C2027;

  --text: #E8E6E1;
  --text-dim: #9CA3AF;
  --text-faint: #5B6270;
  /* Dedicated token for small functional text labels (eyebrows, footer meta,
     row labels). --text-faint fails WCAG AA contrast (3.17:1) at the small
     sizes these are typically set in; --label passes (5.61:1) while staying
     visually in the same "quiet" register. Use --text-faint only for
     non-text decoration (borders, dividers) where contrast rules don't apply. */
  --label: #838A98;

  --accent: #FF6A3D;
  --accent-dim: #B84F2E;
  --accent-glow: rgba(255, 106, 61, 0.16);

  --wire: #5EEAD4;
  --wire-dim: rgba(94, 234, 212, 0.35);

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --col-max: 920px;
  --col-wide: 1180px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;
}

@media (prefers-color-scheme: light) {
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; display: block; }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

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

:focus-visible {
  outline: 2px solid var(--wire);
  outline-offset: 3px;
}

main:focus {
  outline: none;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  background: var(--wire);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.75rem 1.3rem;
  border-radius: 3px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wire);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--wire);
  border-radius: 1px;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.5rem, 5vw, 3.5rem);
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-faint);
}

.site-nav .brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.site-nav .brand .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: clamp(0.4rem, 2vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.nav-links a {
  position: relative;
  padding: 0.5rem 0.2rem;
  color: var(--text-dim);
  transition: color 0.25s ease;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--wire);
}

.nav-cta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.btn-mini {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--line);
  padding: 0.5rem 1rem;
  border-radius: 3px;
  color: var(--text);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.btn-mini:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.nav-toggle {
  display: none;
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--line);
    color: var(--text);
    padding: 0.5rem 0.7rem;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 1.2rem clamp(1.5rem, 5vw, 3.5rem);
    border-bottom: 1px solid var(--line);
    gap: 0.2rem;
  }
  .nav-links.open a { padding: 0.8rem 0.2rem; }
}

.shell {
  max-width: var(--col-wide);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3.5rem);
}

.col {
  max-width: var(--col-max);
}

.section {
  padding: var(--space-5) 0;
  position: relative;
}

.section-head {
  margin-bottom: var(--space-4);
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-top: 0.6rem;
}

.section-head p {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 56ch;
  margin-top: 0.8rem;
}

.wire-divider {
  width: 100%;
  height: 48px;
  margin: 0 auto;
  display: block;
  opacity: 0.55;
}

.wire-divider line, .wire-divider path {
  stroke: var(--line);
}

.wire-divider circle {
  fill: var(--bg);
  stroke: var(--wire-dim);
}

.site-footer {
  border-top: 1px solid var(--line-faint);
  padding: var(--space-4) 0 var(--space-5);
  margin-top: var(--space-5);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--label);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.footer-links a {
  color: var(--text-dim);
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.footer-links a:hover {
  color: var(--wire);
  border-color: var(--wire-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 0.85rem 1.5rem;
  border-radius: 3px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #0B0D10;
  font-weight: 500;
}

.btn-primary:hover {
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--wire-dim);
  color: var(--wire);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: var(--space-3);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.card:hover {
  border-color: var(--accent-dim);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.skills-grid .card h3 {
  font-size: 1.1rem;
  margin: 0.8rem 0 0.5rem;
}

.skills-grid .card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.65;
}

.node-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--wire);
  box-shadow: 0 0 8px var(--wire-dim);
  flex-shrink: 0;
}

.img-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 6px;
  color: var(--label);
  text-align: center;
  padding: 1.5rem;
  overflow: hidden;
}

.img-slot::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--line-faint) 25%, transparent 25%, transparent 75%, var(--line-faint) 75%),
    linear-gradient(45deg, var(--line-faint) 25%, transparent 25%, transparent 75%, var(--line-faint) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
  opacity: 0.35;
  pointer-events: none;
}

.img-slot-icon {
  position: relative;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.img-slot-label {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  max-width: 26ch;
}

.img-slot-label strong {
  color: var(--text-dim);
  font-weight: 500;
}

.img-slot-16x9 { aspect-ratio: 16/9; }
.img-slot-1x1 { aspect-ratio: 1/1; }
.img-slot-4x3 { aspect-ratio: 4/3; }
.img-slot-3x4 { aspect-ratio: 3/4; }

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

@media (max-width: 600px) {
  .footer-grid { flex-direction: column; align-items: flex-start; }
}

.embed-fallback-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--wire);
  border-bottom: 1px solid var(--wire-dim);
  align-self: flex-start;
  transition: opacity 0.25s ease;
}

.embed-fallback-link:hover {
  opacity: 0.7;
}