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

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #0d3b6e;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ─── Header ─── */
#site-header {
    background: rgba(255, 255, 255, 0.0);
    transition: background 0.5s ease, box-shadow 0.5s ease;
}

#site-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 rgba(13, 59, 110, 0.08);
}

.header-text { color: #0d3b6e; }
.header-link { color: #2d4e71; }
.header-link:hover { color: #3ab387; }
.header-cta { color: #ffffff; }
.header-cta:hover { background: #288f6c; }
.header-btn { color: #0d3b6e; }
.header-icon { color: #0d3b6e; }

/* ─── Mobile Menu ─── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    transition: color 0.3s ease;
}

.mobile-link:hover {
    color: #3ab387;
}

/* ─── Reveal Animations ─── */
.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(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Selection ─── */
::selection {
    background: #ddf5eb;
    color: #0d3b6e;
}

/* ─── Focus ─── */
:focus-visible {
    outline: 2px solid #3ab387;
    outline-offset: 2px;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f2faf7;
}

::-webkit-scrollbar-thumb {
    background: #9fb8d2;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #789abf;
}