/* Extraordinary Design System for NEETPG */

:root {
    --surface: #ffffff;
    --background: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

/* Base resets & typography */
body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Advanced Mesh Backgrounds */
.bg-mesh-premium {
    background-color: #ffffff;
    background-image: 
        radial-gradient(at 0% 0%, rgba(var(--primary-rgb), 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(var(--secondary-rgb), 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(var(--primary-rgb), 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(var(--secondary-rgb), 0.1) 0px, transparent 50%);
}

/* Glassmorphism Refinement */
.glass-panel {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

.glass-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    border-color: rgba(var(--primary-rgb), 0.3);
}

/* Text Gradients */
.text-gradient-premium {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    color: var(--primary); /* Fallback */
}

/* Floating Animations */
@keyframes float-subtle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

/* Premium Buttons */
.btn-premium {
    padding: 1.25rem 2.5rem;
    border-radius: 1.25rem;
    font-weight: 700;
    font-size: 1.125rem;
    display: inline-flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.btn-premium:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 40px rgba(var(--primary-rgb), 0.3);
}

.btn-premium:hover::before {
    opacity: 1;
}

/* Card Badge */
.badge-premium {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
}

/* Section Spacing */
.section-padding {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

/* Navbar Scrolled State */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding-top: 0.75rem !important;
    padding-bottom: 0.75rem !important;
}

/* Grid Layouts */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}