/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Selection */
::selection {
    background: #99f6e4;
    color: #042f2e;
}

/* Navbar Styles */
#navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

#navbar.scrolled {
    background: rgba(248, 250, 252, 0.95);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

#navbar.scrolled .nav-link {
    color: #475569;
}

#navbar.scrolled .menu-line {
    background: #1e293b;
}

/* Mobile Menu */
#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.active .mobile-nav-link {
    animation: fadeInUp 0.5s ease forwards;
}

#mobile-menu.active .mobile-nav-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.active .mobile-nav-link:nth-child(2) { animation-delay: 0.2s; }
#mobile-menu.active .mobile-nav-link:nth-child(3) { animation-delay: 0.3s; }
#mobile-menu.active .mobile-nav-link:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Menu Button Animation */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

/* Reveal Animations */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Only apply animation if user prefers reduced motion */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-30px);
    }
    
    .reveal-right {
        opacity: 0;
        transform: translateX(30px);
    }
    
    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}

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

input::placeholder,
textarea::placeholder {
    color: #94a3b8;
}

/* Button Hover Effects */
button,
a {
    cursor: pointer;
}

/* Image Loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

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

/* Focus Styles */
:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    #navbar,
    #mobile-menu {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}