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

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

body {
    margin: 0;
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.08);
}

/* Mobile menu transitions */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* Scroll reveal (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(24px);
    }

    .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; }
}

/* Selection color */
::selection {
    background: rgba(200, 162, 78, 0.3);
    color: #0a1628;
}

/* Subtle focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #c8a24e;
    outline-offset: 2px;
    border-radius: 4px;
}