/* Base & Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scroll behavior */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #1C3A5E;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1DB888;
}

/* Selection */
::selection {
    background: rgba(29, 184, 136, 0.3);
    color: #fff;
}

/* Navigation active state */
.nav-link.active {
    color: #3FD4A8 !important;
}

/* Mobile menu open state */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* Hamburger animation */
.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Image hover zoom container */
img {
    display: block;
}

/* Form focus styles */
input:focus,
textarea:focus,
select:focus {
    outline: none;
}

/* Smooth transitions for all interactive elements */
a, button {
    transition: all 0.3s ease;
}

/* Prevent layout shift on images */
img {
    max-width: 100%;
    height: auto;
}

/* Print styles */
@media print {
    nav, #contact-form, button {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}