/* Custom styles for Dr. Nahla A. Dahr, MD website */

/* Base styles */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #064e3b;
    background-color: #fffef7;
}

/* Scroll indicator animation */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* Service card hover effects */
.service-card {
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -15px rgba(6, 79, 70, 0.2);
}

/* Navbar scroll behavior */
.nav-scrolled {
    background: rgba(255, 254, 247, 0.95) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: 0 4px 30px -10px rgba(6, 79, 70, 0.08) !important;
}

/* Mobile menu animations */
.mobile-menu-enter {
    animation: slideDown 0.3s ease forwards;
}

.mobile-menu-exit {
    animation: slideUp 0.3s ease forwards;
}

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

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

/* Mobile link hover */
.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #059669, #10b981);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.mobile-link:hover::after {
    width: 100%;
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0;
}

/* Selection color */
::selection {
    background: #a7f3d0;
    color: #064e3b;
}

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

::-webkit-scrollbar-track {
    background: #f0fdf4;
}

::-webkit-scrollbar-thumb {
    background: #6ee7b7;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #34d399;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .service-card {
        transition: none;
    }
    
    .service-card:hover {
        transform: none;
    }
    
    .animate-scroll-indicator {
        animation: none;
    }
    
    .mobile-menu-enter,
    .mobile-menu-exit {
        animation: none;
    }
}

/* Tablet and desktop adjustments */
@media (min-width: 768px) {
    .font-display {
        line-height: 1.15;
    }
}

/* Large desktop adjustments */
@media (min-width: 1280px) {
    .service-card {
        padding: 2.5rem;
    }
}

/* Print styles */
@media print {
    nav,
    .animate-scroll-indicator,
    #mobileMenu {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .service-card {
        break-inside: avoid;
    }
}