*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: #060D1F;
    color: #ffffff;
    font-family: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
}

/* Header scroll state */
#header.scrolled {
    background: rgba(6, 13, 31, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(43, 164, 106, 0.1);
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu button animation */
.menu-line {
    transform-origin: center;
}

.menu-btn-active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.menu-btn-active .menu-line:nth-child(2) {
    transform: translateY(-5px) rotate(-45deg);
}

/* Scroll reveal — below the fold only */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
    }

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

/* Subtle hover lift on service cards */
.service-card {
    transition: background-color 0.5s ease;
}

/* Selection color */
::selection {
    background: rgba(43, 164, 106, 0.3);
    color: #ffffff;
}

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

::-webkit-scrollbar-track {
    background: #060D1F;
}

::-webkit-scrollbar-thumb {
    background: rgba(43, 164, 106, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(43, 164, 106, 0.5);
}