/* 55 Oaks Limited — Design System & Styles */
:root {
  --bg-obsidian: #09090b;
  --bg-surface: #111115;
  --bg-card: rgba(18, 18, 23, 0.75);
  --border-muted: #27272a;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-emerald: #10b981;
  --accent-teal: #14b8a6;
  --accent-glow: rgba(16, 185, 129, 0.15);
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Grids & Ambient Lights */
.bg-obsidian {
  background-color: var(--bg-obsidian);
}

.bg-grid-pattern {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, #000 70%, transparent 100%);
}

.ambient-glow {
  position: absolute;
  border-radius: 9999px;
  filter: blur(140px);
  pointer-events: none;
}

.ambient-glow-top {
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 380px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(20, 184, 166, 0.05) 50%, transparent 80%);
}

.ambient-glow-center {
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
}

/* Status Indicator */
.status-indicator {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 9999px;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

/* Buttons */
.btn-primary {
  background: #ffffff;
  color: #09090b;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 15px rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.btn-primary:hover {
  background: #f4f4f5;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-muted);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* Glassmorphism & Hover states */
.flagship-card {
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.flagship-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 25px rgba(16, 185, 129, 0.08);
}

.pillar-card {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.pillar-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-3px);
  background: rgba(24, 24, 27, 0.65);
}

.partner-card {
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.partner-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-3px);
  background: rgba(24, 24, 27, 0.7);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

/* Utility Helpers */
.font-mono {
  font-family: var(--font-mono);
}

/* Responsive tweaks */
@media (max-width: 640px) {
  h1 {
    font-size: 2.35rem !important;
  }
}