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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

img, video {
    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) ===== */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal.is-hidden {
        opacity: 0;
        transform: translateY(24px);
    }
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== HERO SCROLL INDICATOR ===== */
@keyframes scroll-indicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

.animate-scroll-indicator {
    animation: scroll-indicator 1.5s ease-in-out infinite;
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

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

/* ===== HEADER SCROLLED STATE ===== */
#site-header.scrolled {
    background: rgba(253, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(48, 79, 39, 0.08);
}

/* ===== FORM STYLES ===== */
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #304f27;
    box-shadow: 0 0 0 3px rgba(48, 79, 39, 0.15);
}

/* ===== ACCESSIBILITY ===== */
:focus-visible {
    outline: 2px solid #304f27;
    outline-offset: 2px;
}

/* ===== SELECTION ===== */
::selection {
    background: #304f27;
    color: #fdfcf8;
}