/**
 * Non-Critical Styles - Hedra AI Pro
 * Loaded after initial page render for better performance
 * Version: 2.0
 */

/* ============================================
   TYPOGRAPHY & TEXT STYLES
   ============================================ */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

/* ============================================
   BUTTONS & INTERACTIVE ELEMENTS
   ============================================ */

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 5px 15px rgba(124, 58, 237, 0.2);
}

/* ============================================
   NAVIGATION STYLES
   ============================================ */

/* Navigation Link Underline Effect */
.nav-link {
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #7c3aed, #3b82f6);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Header Scrolled State */
#main-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes blob {
    0%, 100% { 
        transform: translate(0, 0) scale(1); 
    }
    25% { 
        transform: translate(20px, -30px) scale(1.1); 
    }
    50% { 
        transform: translate(-20px, 20px) scale(0.9); 
    }
    75% { 
        transform: translate(30px, 10px) scale(1.05); 
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* ============================================
   BACKGROUND PATTERNS
   ============================================ */

.bg-grid-pattern {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.2'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

/* Hide scrollbar but allow scrolling */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

/* Better responsive images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid #7c3aed;
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: #7c3aed;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    header,
    footer,
    nav,
    aside,
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: black;
        background: white;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU acceleration for animations */
.btn-primary,
.nav-link::after,
#mobile-menu {
    will-change: transform;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   DARK MODE SUPPORT (if needed)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
}