/* Base & Reset */
*, *::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(72, 187, 120, 0.3);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A0F1E;
}
::-webkit-scrollbar-thumb {
    background: #1E3052;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #48BB78;
}

/* Navbar */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #48BB78;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

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

/* Scroll animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(40px);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Scroll indicator animation */
@keyframes scroll {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 1; }
}

.animate-scroll {
    animation: scroll 2s ease-in-out infinite;
}

/* Pulse animation for hero dot */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal.hidden-reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Tablet */
@media (min-width: 768px) {
    .reveal {
        transform: translateY(0);
    }
    .reveal.hidden-reveal {
        transform: translateY(40px);
    }
}

/* Focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #48BB78;
    outline-offset: 4px;
    border-radius: 4px;
}