/* ============================================
   AM Global Ventures — Global Styles
   Dark theme: GitHub-inspired palette
   ============================================ */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --accent-blue: #58a6ff;
  --accent-cyan: #00f0ff;
  --accent-gradient: linear-gradient(90deg, #58a6ff, #00f0ff);
  --text-primary: #e6edf3;
  --text-secondary: #c9d1d9;
  --text-muted: #8b949e;
  --border: #30363d;
  --card-shadow: 0 0 15px rgba(88, 166, 255, 0.1);
  --card-shadow-hover: 0 0 25px rgba(88, 166, 255, 0.4);
  --radius: 12px;
  --max-width: 1200px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); color: var(--accent-blue); }
h3 { font-size: 1.2rem; color: var(--accent-blue); }

p { color: var(--text-secondary); }

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--accent-cyan); }

/* Layout utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0d1117;
}

.btn-primary:hover {
  opacity: 0.85;
  color: #0d1117;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.btn-outline:hover {
  background: var(--accent-blue);
  color: #0d1117;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-active    { background: rgba(63, 185, 80, 0.15); color: #3fb950; border: 1px solid rgba(63,185,80,0.3); }
.badge-building  { background: rgba(88, 166, 255, 0.15); color: #58a6ff; border: 1px solid rgba(88,166,255,0.3); }
.badge-exploratory { background: rgba(139, 148, 158, 0.15); color: #8b949e; border: 1px solid rgba(139,148,158,0.3); }

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* Gradient text */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 1rem;
  padding: 0.6rem 0.9rem;
  transition: border-color 0.2s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Responsive */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}