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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
}

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

::selection {
    background: color-mix(in srgb, #2C4A3E 70%, white);
    color: #F5F0E8;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.revealed {
        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; }
}

/* ===== Hero Animation ===== */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation-name: fade-in-up;
    animation-duration: 0.8s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    animation-fill-mode: both;
}

.animate-fade-in {
    animation-name: fade-in;
    animation-duration: 1s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    animation-fill-mode: both;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease, color 0.2s ease;
}

#mobile-menu.menu-open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.menu-open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.menu-open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.menu-open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.menu-open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ===== Header transition ===== */
#site-header.scrolled {
    background: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(44, 74, 62, 0.08);
}

/* ===== Focus Styles ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid #2C4A3E;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== Subtle image hover ===== */
.reveal > div:first-child > img {
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal:hover > div:first-child > img {
    transform: scale(1.02);
}

/* ===== Menu list item hover ===== */
#menu ul li {
    transition: background-color 0.2s ease;
}

#menu ul li:hover {
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
    padding-left: 8px;
    margin-left: -8px;
}

#menu ul li:hover span:first-child {
    color: #F5F0E8;
}