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

.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
    -webkit-backdrop-filter: blur(20px) saturate(180%) brightness(1.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.gradient-bg {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

.animated-gradient {
    background: linear-gradient(270deg, #6366f1, #8b5cf6, #06b6d4, #6366f1);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

.float-animation { animation: float 6s ease-in-out infinite; }
.pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
    border-radius: 9999px;
}

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

.scroll-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

input, textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}