*, *::before, *::after {
    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;
}

::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f0fdf9;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav.scrolled .menu-line {
    background: white;
}

/* Mobile menu */
.mobile-link {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

/* Service cards hover */
.service-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Scroll reveal base - visible by default for progressive enhancement */
.reveal {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        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; }
}

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

::-webkit-scrollbar-track {
    background: #0a0f1e;
}

::-webkit-scrollbar-thumb {
    background: #1a2b52;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #243a6b;
}

/* Select dropdown styling */
select option {
    background: #0d1528;
    color: white;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 2px;
}