* {
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Liquid Glass Effect - Core Philosophy */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%) brightness(120%);
    -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(120%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.glass-card-hover {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card-hover:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.45),
                inset 0 0 20px rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
}

/* Universal Soft Corners */
.corner-soft {
    border-radius: 1rem; /* rounded-2xl */
}

.corner-full {
    border-radius: 9999px; /* rounded-full */
}

/* Lens & Light Interaction */
.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.glow-effect:hover::before {
    opacity: 1;
}

/* Fluid Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(2deg);
    }
    66% {
        transform: translateY(-10px) rotate(-2deg);
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Particle Background */
.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

/* Button Glass Effect */
.btn-glass {
    background: rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-glass:hover {
    background: rgba(139, 92, 246, 0.4);
    border-color: rgba(139, 92, 246, 0.6);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.4),
                inset 0 0 15px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Feature Icon Glow */
.icon-glow {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Mobile Menu Optimization */
@media (max-width: 768px) {
    .glass-card {
        backdrop-filter: blur(15px) saturate(160%) brightness(110%);
    }
}