/* ============================================
   MAIN.CSS - Global styles, reset, variables
   ============================================ */

:root {
  /* Dark theme: black + dark red + crimson + pink glow */
  --bg-primary: #0a0808;
  --bg-secondary: #120a0a;
  --bg-card: rgba(20, 8, 10, 0.6);
  --text-primary: #f0e6e8;
  --text-secondary: #c9b4b8;
  --text-muted: #8a7276;
  --accent-red: #8b1538;
  --accent-crimson: #dc143c;
  --accent-pink: #e91e63;
  --glow-pink: rgba(233, 30, 99, 0.4);
  --glow-crimson: rgba(220, 20, 60, 0.35);
  --border-subtle: rgba(139, 21, 56, 0.4);
  --glass-bg: rgba(18, 10, 12, 0.75);
  --glass-border: rgba(220, 20, 60, 0.15);
  --shadow-glow: 0 0 30px var(--glow-pink);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Glassmorphism */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-crimson), var(--accent-pink));
  color: #fff;
  box-shadow: 0 4px 15px var(--glow-crimson);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--glow-pink);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(220, 20, 60, 0.15);
  border-color: var(--accent-crimson);
}

.btn-glow:hover {
  animation: btn-glow-pulse 1.5s ease-in-out infinite;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

@keyframes btn-glow-pulse {
  0%, 100% { box-shadow: 0 4px 15px var(--glow-crimson); }
  50% { box-shadow: 0 6px 28px var(--glow-pink); }
}

/* Form elements */
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(10, 6, 8, 0.6);
  color: var(--text-primary);
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-crimson);
  box-shadow: 0 0 0 3px var(--glow-crimson);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Utility */
.hidden {
  display: none !important;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Particles background - container */
.particles-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.particles-bg canvas {
  width: 100%;
  height: 100%;
}