/* CAPPS Design System */
:root {
    --primary: #060a0fff;
    --secondary: #121d2bff;
    --blue: #0ea5e9;
    --purple: #631165ff;
    --text: rgba(255, 255, 255, 0.95);
    --text-dim: rgba(255, 255, 255, 0.7);
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 100;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text);
    min-height: 100vh;
    position: relative;
}

/* Aurora Background Effect */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 200% 80% at 20% 100%, var(--blue) 0%, transparent 70%),
        radial-gradient(ellipse 150% 60% at 80% 100%, var(--purple) 0%, transparent 65%),
        radial-gradient(ellipse 180% 70% at 50% 100%, var(--blue) 0%, transparent 60%);
    opacity: 0.06;
    animation: aurora 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes aurora {
    0%, 100% { transform: translateX(0); }
    33% { transform: translateX(2%) rotate(0.3deg); }
    66% { transform: translateX(-1%) rotate(-0.2deg); }
}

/* Global Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(30px); } }

/* Layout Containers */
.container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    z-index: 1;
}

/* Button System */
.button-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
    padding: 0.7rem 1.8rem; border-radius: 20px; font-size: 0.75rem; font-weight: 100;
    letter-spacing: 1px; border: none; cursor: pointer; transition: all 0.3s ease;
    min-width: 100px; position: relative; overflow: hidden;
}
.btn::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease; z-index: 1;
}
.btn:hover::before { left: 100%; }
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--purple));
    color: white; box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}
.btn-secondary { background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,0.1); }
.btn-primary:hover { box-shadow: 0 4px 15px rgba(14, 165, 233, 0.5); backdrop-filter: blur(8px); }
.btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: var(--blue); backdrop-filter: blur(15px); }

/* Responsive Framework */
@media (max-width: 768px) {
    .button-group { flex-direction: column; gap: 0.8rem; }
    .btn { width: 100%; max-width: 280px; padding: 1rem 2rem; font-size: 0.9rem; }
}
@media (max-width: 480px) {
    .container { padding: 0.5rem; }
    .btn { padding: 1.2rem 2.5rem; font-size: 1rem; max-width: 300px; }
}