/* Custom Styles for Advanced Care Cardiology */

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

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

::-webkit-scrollbar-track {
    background: #1e1e26;
}

::-webkit-scrollbar-thumb {
    background: #5c5c6a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E85555;
}

/* Selection */
::selection {
    background: rgba(232, 85, 85, 0.3);
    color: #f7f7f8;
}

/* Navbar Transition */
#navbar {
    backdrop-filter: blur(0px);
    transition: all 0.4s ease;
}

#navbar.scrolled {
    background: rgba(19, 19, 24, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Service Cards */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(232, 85, 85, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 1.25rem;
    pointer-events: none;
}

.service-card:hover::before {
    opacity: 1;
}

/* Pulse Animation */
@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Reveal Animations (Progressive Enhancement - only apply with JS) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Mobile Menu */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Focus States */
input:focus,
textarea:focus {
    outline: none;
}

/* Button Hover Effects */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* Image Loading */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Reduced Motion */
@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;
    }
}

/* Print Styles */
@media print {
    #navbar,
    #mobileMenu,
    .service-card,
    #contactForm {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* High Contrast Mode Support */
@media (forced-colors: active) {
    .bg-coral-500 {
        background-color: LinkText;
    }
    
    .text-coral-400 {
        color: LinkText;
    }
}

/* Focus Visible for Accessibility */
:focus-visible {
    outline: 2px solid #E85555;
    outline-offset: 2px;
}

/* Loading State */
.loading-skeleton {
    background: linear-gradient(90deg, #2a2a33 25%, #353540 50%, #2a2a33 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}