/* Custom styles for Cofas C Keith MD */

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

/* Base font smoothing */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scroll indicator animation */
.scroll-indicator {
    animation: scrollDown 1.8s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.5; }
    100% { transform: translateY(16px); opacity: 0; }
}

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

.service-card:hover {
    transform: translateY(-4px);
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.inactive {
    opacity: 0;
    pointer-events: none;
}

/* Menu line animations */
.menu-line {
    transition: transform 0.3s ease, width 0.3s ease;
}

#menu-btn.open .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

#menu-btn.open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menu-btn.open .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 24px;
    margin-left: 0;
}

/* Mobile links fade in */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

#mobile-menu.active .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.active .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.active .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.active .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Navbar scroll state */
header.scrolled {
    box-shadow: 0 1px 0 rgba(150, 20, 52, 0.08);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .scroll-indicator {
        animation: none;
    }
    
    .service-card {
        transition: none;
    }
    
    .service-card:hover {
        transform: none;
    }
    
    #mobile-menu {
        transition: none;
    }
    
    .menu-line {
        transition: none;
    }
    
    .mobile-link {
        transition: none;
        opacity: 1;
        transform: none;
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #961434;
    outline-offset: 2px;
}

/* Selection color */
::selection {
    background-color: rgba(150, 20, 52, 0.15);
    color: #3b0611;
}