/* Aurum Computing - Refined Dark Theme */

:root {
  --bg-primary: #08080a;
  --bg-surface: #111113;
  --bg-elevated: #18181b;
  --gold: #d4af37;
  --gold-dim: #b8962e;
  --gold-glow: rgba(212, 175, 55, 0.15);
  --text-primary: #fafafa;
  --text-secondary: #888;
  --text-muted: #555;
  --border: rgba(255, 255, 255, 0.06);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle background texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--gold-glow), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(212, 175, 55, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

/* Layout */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

main {
  flex: 1;
  padding: 100px 0;
}

/* Header */
header {
  padding: 28px 0;
  position: relative;
}

header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 720px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.logo:hover {
  color: var(--gold);
}

nav {
  display: flex;
  gap: 36px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

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

nav a:hover::after {
  width: 100%;
}

/* Typography */
h1 {
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-primary);
  line-height: 1.1;
}

p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 100px 0 120px;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 0.875rem;
  color: var(--gold);
  margin-bottom: 32px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero .description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0 auto;
  font-weight: 300;
}

/* Decorative line */
.hero-accent {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 48px auto 0;
}

/* Links */
a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--text-primary);
}

/* Content sections */
.content {
  max-width: 540px;
}

.content h1 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.content p {
  font-size: 1.0625rem;
  line-height: 1.85;
  margin-bottom: 20px;
  font-weight: 300;
}

/* Contact */
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  color: var(--text-primary);
  padding: 16px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 24px;
  transition: all 0.3s ease;
}

.contact-email:hover {
  border-color: var(--gold-dim);
  background: rgba(212, 175, 55, 0.05);
  transform: translateY(-2px);
}

.contact-email::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Footer */
footer {
  padding: 40px 0;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 720px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

footer .container {
  display: flex;
  justify-content: center;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: 0 24px;
  }

  main {
    padding: 60px 0;
  }

  .hero {
    padding: 60px 0 80px;
  }

  h1 {
    font-size: 1.75rem;
  }

  header .container {
    flex-direction: column;
    gap: 20px;
  }

  nav {
    gap: 28px;
  }
}

/* Page transitions */
main {
  animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}