/* Custom styles for Texas Spine Associates */

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f2f7f4;
}
::-webkit-scrollbar-thumb {
    background: #98c7a3;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6ba578;
}

/* Navbar transitions */
#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(26, 60, 40, 0.08);
}

/* Mobile menu animation */
.menu-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}
#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.375rem;
}

/* Mobile menu slide */
#mobileMenu {
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
#mobileMenu.hidden {
    animation: slideUp 0.25s cubic-bezier(0.4, 0, 0.2, 1) 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);
        pointer-events: none;
    }
}

/* Service card hover */
.service-card {
    will-change: transform;
}

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .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; }
}

/* Form focus styles */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(74, 130, 86, 0.15);
}

/* Button press effect */
button:active, a:active {
    transform: scale(0.98) !important;
}

/* Selection color */
::selection {
    background: #c5dfcc;
    color: #1f3c28;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
    .service-card, button, a {
        transition: none;
    }
}