/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ========== SCROLL REVEAL (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up { opacity: 1; transform: none; }
    .reveal-left { opacity: 1; transform: none; }
    .reveal-right { opacity: 1; transform: none; }
}

/* ========== NAV ========== */
.nav-link { position: relative; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* Mobile menu */
#mobile-menu.open { opacity: 1; pointer-events: all; }
#mobile-menu.closed { opacity: 0; pointer-events: none; }
.mobile-link { transition: opacity 0.2s ease; }

/* ========== HERO ========== */
#hero { position: relative; }

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0f3f9; }
::-webkit-scrollbar-thumb { background: #c9a84c; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a8872e; }

/* ========== FOCUS ========== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ========== TRANSITIONS ========== */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up, .reveal-left, .reveal-right {
        opacity: 0;
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-up { transform: translateY(24px); }
    .reveal-left { transform: translateX(-24px); }
    .reveal-right { transform: translateX(24px); }
    .reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
        opacity: 1;
        transform: none;
    }
}