/* Ekunstech Design System - Dark Glassmorphism & Cyber Modern Aesthetics */
:root {
  --bg-dark: #080b11;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-active: rgba(56, 189, 248, 0.5);
  
  --primary-cyan: #00f2fe;
  --primary-blue: #4facfe;
  --accent-purple: #8a2be2;
  --accent-emerald: #10b981;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Gradients */
.glow-bg-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: 0;
  pointer-events: none;
}

.glow-bg-2 {
  position: absolute;
  top: 40%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.12) 0%, rgba(0,0,0,0) 70%);
  z-index: 0;
  pointer-events: none;
}

/* Glassmorphism Components */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 11, 17, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
}

/* Typography & Accent Gradients */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-blue) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-badge {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(138, 43, 226, 0.15));
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--primary-cyan);
  border-radius: 9999px;
  padding: 4px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #030712;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
  background: linear-gradient(135deg, #38ef7d 0%, #00f2fe 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Card Selection State */
.plan-card {
  position: relative;
  cursor: pointer;
}

.plan-card.active {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
  background: rgba(15, 23, 42, 0.85);
}

.plan-card.featured {
  border: 2px solid transparent;
  background-image: linear-gradient(var(--bg-card), var(--bg-card)), linear-gradient(135deg, #00f2fe, #8a2be2);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Toggle Switch */
.toggle-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 9999px;
  padding: 4px;
  gap: 4px;
}

.toggle-option {
  padding: 8px 16px;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.toggle-option.active {
  background: var(--primary-cyan);
  color: #030712;
  font-weight: 600;
}