/* Base & Typography */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(52, 212, 168, 0.3);
    color: #fff;
}

/* Floating Card Animations */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(1deg); }
}

@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(-1deg); }
}

@keyframes float-3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(0.5deg); }
}

@keyframes float-4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-0.5deg); }
}

.floating-card { animation: float-1 6s ease-in-out infinite; }
.floating-card-2 { animation: float-2 7s ease-in-out infinite; }
.floating-card-3 { animation: float-3 5.5s ease-in-out infinite; }
.floating-card-4 { animation: float-4 6.5s ease-in-out infinite; }

/* Scroll Reveal */
.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[data-reveal-delay="100"] { transition-delay: 100ms; }
.reveal[data-reveal-delay="200"] { transition-delay: 200ms; }
.reveal[data-reveal-delay="300"] { transition-delay: 300ms; }

.reveal-hidden {
    opacity: 0;
    transform: translateY(32px);
}

/* Navbar */
.nav-scrolled {
    background: rgba(10, 22, 40, 0.92) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3) !important;
}

/* Image Hover Zoom */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1628;
}
::-webkit-scrollbar-thumb {
    background: #1b3a6e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #34d4a8;
}

/* 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 { opacity: 1; transform: none; }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .floating-card,
    .floating-card-2,
    .floating-card-3,
    .floating-card-4 {
        display: none;
    }
}