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

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

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Mobile menu animations */
#mobile-menu.open .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}
#mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
#mobile-menu.open .menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 24px;
}

#mobile-menu.open {
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal base: visible by default (progressive enhancement) */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
    }
    .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; }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #c4704b;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image aspect ratios */
img {
    max-width: 100%;
    height: auto;
}