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

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

body {
    overflow-x: hidden;
}

/* Ken Burns animation for hero */
@keyframes kenburns {
    0% { transform: scale(1.05) translateY(0); }
    100% { transform: scale(1.12) translateY(-1%); }
}

/* Hero animations - only apply when JS is available */
@media (prefers-reduced-motion: no-preference) {
    .hero-anim {
        opacity: 0;
        transform: translateY(30px);
        animation: heroFadeIn 1s ease forwards;
    }
    .hero-anim:nth-child(1) { animation-delay: 0.2s; }
    .hero-anim:nth-child(2) { animation-delay: 0.4s; }
    .hero-anim:nth-child(3) { animation-delay: 0.6s; }
    .hero-anim:nth-child(4) { animation-delay: 0.8s; }
    .hero-anim:nth-child(5) { animation-delay: 1.0s; }
    .hero-anim:nth-child(6) { animation-delay: 1.2s; }
    .hero-anim:nth-child(7) { animation-delay: 1.4s; }
}

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

/* Scroll reveal animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

/* Hamburger animation */
#menu-toggle[aria-expanded="true"] #menu-icon span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
#menu-toggle[aria-expanded="true"] #menu-icon span:nth-child(2) {
    opacity: 0;
}
#menu-toggle[aria-expanded="true"] #menu-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0A1F2D;
}
::-webkit-scrollbar-thumb {
    background: #1C4A63;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #A7C4B8;
}

/* Selection color */
::selection {
    background: #A7C4B8;
    color: #0A1F2D;
}

/* Focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #A7C4B8;
    outline-offset: 4px;
    border-radius: 2px;
}

/* Smooth image loading */
img {
    image-rendering: auto;
    will-change: transform;
}

/* Reduce motion preference */
@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 {
        opacity: 1;
        transform: none;
    }
}

/* Tablet and up adjustments */
@media (min-width: 768px) {
    .nav-link {
        position: relative;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 0;
        width: 0;
        height: 1px;
        background: #A7C4B8;
        transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .nav-link:hover::after {
        width: 100%;
    }
}

/* Print styles */
@media print {
    header, footer, #site-header {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}