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

html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: #102a43;
}

::-webkit-scrollbar-thumb {
    background: #2dd4bf;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5eead4;
}

/* Hero Animations - Above the fold, always visible */
.hero-anim {
    opacity: 1;
    transform: translateY(0);
    animation: heroFadeIn 0.8s ease-out forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.3s; }
.hero-anim:nth-child(3) { animation-delay: 0.5s; }
.hero-anim:nth-child(4) { animation-delay: 0.7s; }
.hero-anim:nth-child(5) { animation-delay: 0.9s; }

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal Animations - Below fold only */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .hero-anim {
        opacity: 1;
        transform: none;
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Navbar scroll effect */
.navbar-scrolled {
    background: rgba(10, 22, 40, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Mobile menu transitions */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

#mobileMenu.open {
    max-height: 400px;
}

/* Button hover effects */
a, button {
    transition: all 0.3s ease;
}

/* Image hover zoom */
img {
    transition: transform 0.5s ease;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid #2dd4bf;
    outline-offset: 2px;
}

/* Loading state for form */
button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}