/* Aetheris Pro - Neo-Obsidian & Emerald Design System */
:root {
  --bg-dark: #0b0f17;
  --bg-card: #121824;
  --bg-card-hover: #1a2334;
  --border-color: #1f293d;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.15);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(11, 15, 23, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo span { color: var(--accent-emerald); }

nav ul { display: flex; gap: 2rem; list-style: none; }
nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover, nav a.active { color: var(--accent-emerald); }

.btn-primary {
  background: var(--accent-emerald);
  color: #000;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 0 20px var(--accent-emerald-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--bg-card-hover); }

main { flex: 1; }

.container { max-width: 1200px; margin: 0 auto; padding: 4rem 2rem; }

.hero {
  padding: 6rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
}
.badge-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-emerald);
  background: var(--accent-emerald-glow);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  display: inline-block;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 900px;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 2.5rem;
}
.hero-cta { display: flex; gap: 1rem; align-items: center; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); gap: 2rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
  border-color: rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}
.card h3 { font-size: 1.3rem; margin-bottom: 0.75rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; }

.metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2.5rem 0;
  margin: 3rem 0;
}
.metric-item { text-align: left; }
.metric-val { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700; color: var(--accent-emerald); }
.metric-lbl { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.25rem; }

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
}
.team-role { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent-emerald); margin-bottom: 1rem; }

.tag-group { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: #1a2334;
  color: var(--text-muted);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

footer {
  border-top: 1px solid var(--border-color);
  background: #070a10;
  padding: 4rem 2rem 2rem;
  margin-top: auto;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.75rem; max-width: 360px; }
.footer-col h4 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-main); margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; display: block; margin-bottom: 0.5rem; }
.footer-col a:hover { color: var(--accent-emerald); }

.footer-bottom {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-email {
  font-family: var(--font-mono);
  color: var(--accent-emerald);
  text-decoration: none;
  font-weight: 500;
}
.footer-email:hover { text-decoration: underline; }

form { display: flex; flex-direction: column; gap: 1.25rem; max-width: 600px; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
label { font-size: 0.9rem; color: var(--text-main); font-weight: 500; }
input, textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.8rem 1rem;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-emerald);
}