/* Custom styles for 61st Medical Squadron website */

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

/* Custom animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f2137;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #d4af37, #e2c060);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #b8941e, #d4af37);
}

/* Card hover effects */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Button hover effects */
button, a {
    transition: all 0.3s ease;
}

/* Focus styles */
input:focus, textarea:focus, select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
}

/* Navigation scroll effect */
.nav-scrolled {
    background: rgba(2, 12, 27, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Gradient backgrounds */
.gradient-navy {
    background: linear-gradient(135deg, #020c1b 0%, #0f2137 50%, #1b3a61 100%);
}

.gradient-gold {
    background: linear-gradient(135deg, #b8941e 0%, #d4af37 50%, #e2c060 100%);
}

/* Text gradient */
.text-gradient-gold {
    background: linear-gradient(135deg, #d4af37 0%, #e2c060 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Border gradient */
.border-gradient-gold {
    border-image: linear-gradient(135deg, #d4af37, #e2c060) 1;
}

/* Custom select dropdown */
select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23d4af37' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Loading spinner */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Pulse animation for important elements */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .font-serif {
        font-size: 1.875rem;
    }
    
    .gradient-navy {
        background: linear-gradient(135deg, #020c1b 0%, #0f2137 100%);
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .gradient-navy {
        background: #fff !important;
        color: #000;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}