@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

/* Liquid Glass Core Effects */
.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);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(30px) saturate(200%) brightness(120%);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px) saturate(160%) brightness(105%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px) saturate(180%) brightness(115%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15), inset 0 0 20px rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
}

/* Gradient Background */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    min-height: 100vh;
}

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

/* Smooth Animations */
.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 1), rgba(139, 92, 246, 1));
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4), inset 0 0 15px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Navigation Glassmorphism */
nav {
    backdrop-filter: blur(20px) saturate(180%);
    background: rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-link:hover {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.6);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

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

/* Feature Icons Glow */
.feature-icon {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover .feature-icon {
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.6));
    transform: scale(1.1) rotateY(10deg);
}

/* Hero Section */
.hero-title {
    background: linear-gradient(135deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Form Inputs */
input, textarea, select {
    color: white;
}

input::placeholder, textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

select option {
    background: #1a1a2e;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    nav .hidden {
        display: none;
    }
}