:root {
  --bg: #0a0a0a;
  --surface: #101014;
  --text: #f5f3ff;
  --muted: #beb7d4;
  --purple: #7c3aed;
  --lilac: #a78bfa;
  --line: rgba(167, 139, 250, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

#particle-field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.4;
}

.background-glow {
  position: fixed;
  inset: -20% -10%;
  background:
    radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.24), transparent 42%),
    radial-gradient(circle at 80% 10%, rgba(167, 139, 250, 0.2), transparent 46%),
    radial-gradient(circle at 50% 85%, rgba(124, 58, 237, 0.18), transparent 42%);
  filter: blur(8px);
  z-index: -3;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 6vw;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.7);
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.03em;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.25s ease;
}

nav a:hover {
  color: var(--lilac);
}

.section {
  width: min(1050px, 92vw);
  margin: 0 auto;
  padding: 5.4rem 0;
}

.hero {
  min-height: 92vh;
  display: grid;
  align-content: center;
  gap: 0.8rem;
}

.eyebrow {
  color: var(--lilac);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 5.8rem);
  line-height: 0.95;
  text-shadow: 0 0 30px rgba(167, 139, 250, 0.32);
}

.tagline {
  max-width: 720px;
  font-size: clamp(1.1rem, 2.8vw, 1.8rem);
  color: #ddd3fe;
  margin: 0.4rem 0 1.4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.4rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #f8f4ff;
  background: linear-gradient(110deg, var(--purple), var(--lilac));
  box-shadow: 0 8px 26px rgba(124, 58, 237, 0.35);
}

.btn.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(16, 16, 20, 0.55);
}

h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
}

p {
  color: var(--muted);
  max-width: 820px;
}

.legacy-grid,
.skills-grid,
.systems-grid {
  margin-top: 1.8rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: linear-gradient(145deg, rgba(20, 20, 28, 0.92), rgba(14, 14, 20, 0.82));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(167, 139, 250, 0.5);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.25);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  color: #ede9ff;
}

.doctrine {
  position: relative;
  overflow: hidden;
}

.doctrine::after {
  content: "";
  position: absolute;
  inset: auto -20% -120px -20%;
  height: 140px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.2), transparent 70%);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.contact-links a {
  text-decoration: none;
  color: #f8f4ff;
  font-weight: 700;
  border: 1px solid var(--line);
  background: rgba(16, 16, 20, 0.7);
  padding: 0.75rem 1.2rem;
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-links a:hover {
  border-color: rgba(167, 139, 250, 0.6);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.25);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 760px) {
  .site-header {
    gap: 1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
  }
}