*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f1a0f;
}
::-webkit-scrollbar-thumb {
    background: #2f4f2f;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3d663d;
}

::selection {
    background: rgba(201, 162, 39, 0.3);
    color: #f2f7f2;
}

/* Reveal animations — progressive enhancement, content visible without JS */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Gold decorative lines */
.gold-line {
    position: absolute;
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(201, 162, 39, 0.3), transparent);
    pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
    .float-slow { animation: float 8s ease-in-out infinite; }
    .float-medium { animation: float 6s ease-in-out infinite 1s; }
    .float-fast { animation: float 5s ease-in-out infinite 2s; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); opacity: 0.4; }
    50% { transform: translateY(-20px); opacity: 0.8; }
}

/* Stat cards */
.stat-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

/* Scroll indicator */
.scroll-indicator {
    animation: pulse-down 2s ease-in-out infinite;
}

@keyframes pulse-down {
    0%, 100% { opacity: 0.4; transform: translateY(0); }
    50% { opacity: 0.8; transform: translateY(6px); }
}

/* Mobile menu */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Hamburger animation */
.hamburger-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-toggle[aria-expanded="true"] .hamburger-line:first-child {
    transform: translateY(4px) rotate(45deg);
}
#mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}
#mobile-toggle[aria-expanded="true"] .hamburger-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* Header scrolled state */
#site-header.scrolled #header-bg {
    background: rgba(15, 26, 15, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Form focus states */
input:focus, textarea:focus {
    outline: none;
}

/* Image loading placeholder */
img {
    background-color: #1f331f;
}

/* Subtle pattern overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(201, 162, 39, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

main, header, footer {
    position: relative;
    z-index: 1;
}