:root {
  --bg: #0b0f1d;
  --bg-elevated: rgba(20, 26, 48, 0.6);
  --bg-elevated-solid: #141a30;
  --fg: #c8d0e4;
  --fg-dim: #8a93ad;
  --border: #232b47;
  --grad: linear-gradient(120deg, #4f7cff 0%, #8b5cf6 55%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(79, 124, 255, 0.14), rgba(139, 92, 246, 0.14), rgba(34, 211, 238, 0.14));
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(79, 124, 255, 0.13), transparent 70%),
    radial-gradient(ellipse 50% 40% at 85% 20%, rgba(139, 92, 246, 0.11), transparent 70%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(34, 211, 238, 0.07), transparent 70%);
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(11, 15, 29, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.site-header nav {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}

.logo span {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

main.card-grid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  position: relative;
  background:
    linear-gradient(var(--bg-elevated-solid), var(--bg-elevated-solid)) padding-box,
    var(--grad-soft) border-box;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 1.75rem;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.35;
  pointer-events: none;
}

.card:hover::before {
  opacity: 0.7;
}

.card-hero {
  grid-column: 1 / -1;
  min-height: 55vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.75rem;
  overflow: hidden;
}

.card-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 90% at 20% 100%, rgba(79, 124, 255, 0.12), transparent 65%);
  pointer-events: none;
}

.card-hero > * {
  position: relative;
  z-index: 1;
}

#about {
  grid-row: span 2;
}

.kicker {
  font-family: var(--mono);
  color: var(--fg-dim);
}

.card-hero h1 {
  font-family: var(--mono);
  font-size: clamp(2.5rem, 7vw, 4.25rem);
  line-height: 1.1;
}

.tagline {
  color: var(--fg-dim);
  font-size: 1.2rem;
}

h1, h2, h3 {
  font-family: var(--mono);
}

h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

h2::before {
  content: "## ";
  color: var(--fg-dim);
}

.cta {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  background: var(--grad);
  color: #fff;
  font-family: var(--mono);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
}

.cta:hover,
.cta:focus-visible {
  opacity: 0.85;
}

.skill-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.skill-tags li {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.card-inner {
  background: rgba(11, 15, 29, 0.55);
  padding: 1.25rem;
}

.card-inner h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.card-inner p {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.card-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.contact-links a {
  font-family: var(--mono);
  text-decoration: none;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  text-decoration: underline;
  text-decoration-color: #8b5cf6;
}

a:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 2px;
}

footer {
  text-align: center;
  color: var(--fg-dim);
  font-size: 0.85rem;
  padding: 2rem 1rem;
  font-family: var(--mono);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (max-width: 760px) {
  main.card-grid {
    grid-template-columns: 1fr;
  }

  #about {
    grid-row: auto;
  }

  .card-hero {
    min-height: 45vh;
  }

  .site-header nav {
    justify-content: center;
  }
}