/* 
 * Previa.ai - Custom Styles
 * Design System: Clinical SaaS Premium
 */

 :root {
    /* Clinical Palette */
    --primary-teal: #0d9488;
    --primary-teal-light: #14b8a6;
    --secondary-slate: #1e293b;
    --accent-blue: #3b82f6;
    
    /* Backgrounds */
    --bg-soft: #f8fafc;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Configuration */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar Glassmorphism */
header.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.75rem 0;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Custom UI Components */
.card-hover {
    transition: var(--transition-smooth);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

/* Form Styles */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus {
    -webkit-text-fill-color: white;
    -webkit-box-shadow: 0 0 0px 1000px rgba(255, 255, 255, 0.1) inset;
    transition: background-color 5000s ease-in-out 0s;
}

/* Utility for hidden elements with animation */
.hidden {
    display: none;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .animate-float {
        animation: none; /* Disable float on mobile for better performance */
    }
    
    h1 {
        font-size: 2.5rem !important;
        line-height: 1.2 !important;
    }
}