/* Custom styles for Trauma Central - SJHMC */

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

/* Navigation text color transition */
.nav-logo-text {
    transition: color 0.5s ease;
}

.nav-logo-sub {
    transition: color 0.5s ease;
}

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

/* Mobile nav links */
.mobile-nav-link {
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-nav-link:hover {
    color: #931638;
    padding-left: 8px;
}

/* Reveal animation - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback: ensure content is visible even without JS */
.reveal {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Back to top button */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
}

#backToTop:not(.visible) {
    opacity: 0;
    visibility: hidden;
}

/* Active nav link */
.nav-link.active {
    color: #ffffff !important;
}

/* Button active state */
button:active {
    transform: scale(0.98);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #faf7f5;
}

::-webkit-scrollbar-thumb {
    background: #d43f67;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b52048;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #d43f67;
    outline-offset: 2px;
}

/* Hero decorative animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse-soft {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.2; }
}

/* Apply animations only if user prefers motion */
@media (prefers-reduced-motion: no-preference) {
    .hero-decor-1 {
        animation: float 6s ease-in-out infinite;
    }
    
    .hero-decor-2 {
        animation: float 8s ease-in-out infinite reverse;
    }
    
    .hero-decor-3 {
        animation: pulse-soft 4s ease-in-out infinite;
    }
}

/* Image placeholder fallback */
img {
    background: linear-gradient(135deg, #fce7eb 0%, #f9d0d9 100%);
}

/* Form select arrow customization */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23931638' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    appearance: none;
    padding-right: 2.5rem;
}

/* Subtle hover lift for cards */
.group:hover {
    transform: translateY(-2px);
}

/* Prevent layout shift on image load */
img {
    image-rendering: auto;
}

/* Print styles */
@media print {
    nav, #backToTop, button {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .bg-gradient-to-br, .bg-gradient-to-r {
        background: #f5f5f5 !important;
    }
}