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

body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    min-height: 100vh;
}

.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px) saturate(180%) brightness(110%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px) saturate(200%) brightness(120%);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.glass-hover:hover {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 30px rgba(96, 165, 250, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    background: rgba(96, 165, 250, 0.4);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(100px, -100px) scale(1.2); }
    50% { transform: translate(-50px, -200px) scale(0.8); }
    75% { transform: translate(-100px, -100px) scale(1.1); }
}

.nav-link {
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-glow:hover::before {
    width: 300px;
    height: 300px;
}

.feature-icon {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-hover:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}