/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    min-height: 100vh;
}

/* Marquee Animation */
@keyframes marquee {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 25s linear infinite;
}

/* Scroll Reveal (progressive enhancement — only when JS runs) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 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; }
}

/* Floating cards animation */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(3deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.floating-card-1 {
    animation: float 6s ease-in-out infinite;
}

.floating-card-2 {
    animation: float-slow 5s ease-in-out infinite;
}

.floating-card-3 {
    animation: float 7s ease-in-out infinite;
}

.floating-card-4 {
    animation: float-slow 4.5s ease-in-out infinite;
}

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

::-webkit-scrollbar-track {
    background: #0c1320;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Selection */
::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #5eead4;
}