/* Custom CSS for effects not easily achievable with Tailwind CDN */
body {
    font-family: 'Inter', sans-serif;
    background-color: hsl(222 47% 5%);
    color: hsl(210 40% 95%);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Space Grotesk', sans-serif;
}

/* Glass effects */
.glass {
    background: rgba(20, 24, 33, 0.6);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid hsl(222 30% 20%);
    border-radius: 1rem;
}

.glass-subtle {
    background: rgba(20, 24, 33, 0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid hsla(222, 30%, 20%, 0.5);
    border-radius: 1rem;
}

/* Glow effects */
.glow-primary {
    box-shadow: 0 0 30px -5px hsla(250, 80%, 60%, 0.4),
        0 0 60px -10px hsla(250, 80%, 60%, 0.2);
}

.glow-accent {
    box-shadow: 0 0 30px -5px hsla(200, 90%, 55%, 0.4),
        0 0 60px -10px hsla(200, 90%, 55%, 0.2);
}

.glow-border {
    border-color: hsla(250, 80%, 60%, 0.3);
    box-shadow: 0 0 15px -3px hsla(250, 80%, 60%, 0.2);
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(135deg, hsl(250 80% 60%), hsl(200 90% 55%));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Gradient background */
.bg-gradient-primary {
    background: linear-gradient(135deg, hsl(250 80% 60%), hsl(200 90% 55%));
}

/* Grid background */
.bg-grid {
    background-image:
        linear-gradient(hsla(222, 30%, 16%, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, hsla(222, 30%, 16%, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Hero glow */
.hero-glow {
    background: radial-gradient(ellipse 50% 50% at 50% 50%, hsla(250, 80%, 60%, 0.15), transparent);
}

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

/* Intersection Observer animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* Button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, hsl(250 80% 60%), hsl(200 90% 55%));
    color: white;
    padding: 0.5rem 1rem;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-outline {
    border: 1px solid hsl(222 30% 16%);
    color: hsl(210 40% 95%);
    background: transparent;
    padding: 0.5rem 1rem;
}

.btn-outline:hover {
    background: hsl(222 30% 14%);
}

.btn-ghost {
    background: transparent;
    color: hsl(215 20% 55%);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    color: hsl(210 40% 95%);
}

.btn-sm {
    height: 2.25rem;
    padding: 0 0.75rem;
}

.btn-lg {
    height: 2.75rem;
    padding: 0 2rem;
    font-size: 1rem;
}

/* Mobile menu transition */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.mobile-menu.open {
    max-height: 500px;
}