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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 168, 83, 0.3);
    color: #fffdf7;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #022c22;
}
::-webkit-scrollbar-thumb {
    background: #065f46;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #047857;
}

/* Floating Card Animations */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}
@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-0.5deg); }
}
@keyframes float-3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes float-4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(0.3deg); }
}

.floating-card-1 { animation: float-1 5s ease-in-out infinite; }
.floating-card-2 { animation: float-2 4.5s ease-in-out infinite; }
.floating-card-3 { animation: float-3 5.5s ease-in-out infinite; }
.floating-card-4 { animation: float-4 4s ease-in-out infinite; }

/* Reveal Animations — progressive enhancement, content visible without JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered reveal delays */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }

/* Mobile menu transitions */
#mobile-menu {
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

/* Navbar glass effect when scrolled */
nav.scrolled {
    background: rgba(2, 44, 34, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(6, 95, 70, 0.4);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Custom select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Gold shimmer on hover for CTA buttons */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}