/* BASE */
*, *::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;
}

img {
    display: block;
    max-width: 100%;
}

/* SCROLL REVEAL — progressive enhancement, only when JS runs */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* NAV SCROLLED STATE */
nav.scrolled {
    box-shadow: 0 1px 0 rgba(13, 30, 46, 0.06);
}

/* MOBILE MENU ANIMATION */
#menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-btn.active span:nth-child(2) {
    opacity: 0;
}
#menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 4px;
}

/* SELECTION */
::selection {
    background: rgba(58, 168, 133, 0.2);
    color: #0d1e2e;
}

/* FOCUS */
a:focus-visible, button:focus-visible {
    outline: 2px solid #3aa885;
    outline-offset: 2px;
    border-radius: 4px;
}