/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(79, 209, 197, 0.3);
    color: #f0fdfa;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Scroll Reveal */
.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);
}

.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; }

/* Navbar Scrolled State */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(79, 209, 197, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1e3a52;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2e5070;
}

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

/* Form Focus Styles */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: rgba(79, 209, 197, 0.5) !important;
    box-shadow: 0 0 0 1px rgba(79, 209, 197, 0.2) !important;
}

/* Image Loading */
img {
    max-width: 100%;
    height: auto;
}

/* Smooth hover for product cards */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid rgba(79, 209, 197, 0.5);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    header, footer, #contactForm {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}