/* Custom styles for East Texas Cardiology */

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

/* Animation keyframes */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Hero animations */
.animate-fade-up {
    animation: fadeUp 0.7s ease-out forwards;
    opacity: 0;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(253, 248, 244, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.navbar-transparent {
    background: transparent;
}

/* Mobile menu animations */
.menu-line {
    transition: all 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    width: 1.75rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu open state */
#mobileMenu.open {
    transform: translateX(0);
}

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

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

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Intersection observer animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    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; }

/* Focus styles for accessibility */
input:focus, textarea:focus, button:focus, a:focus {
    outline: none;
}

/* Selection color */
::selection {
    background: #f7d0c5;
    color: #662720;
}

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

::-webkit-scrollbar-track {
    background: #FDF8F4;
}

::-webkit-scrollbar-thumb {
    background: #d4a574;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d45a3a;
}

/* Print styles */
@media print {
    nav, #contactForm, button {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}