/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s 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; }
}

/* ── Navbar scroll state ── */
#site-header.scrolled {
    background: rgba(15, 26, 39, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.08);
}

.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F0C878;
    transition: width 0.25s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* ── Hero ── */
.hero-bg {
    will-change: transform;
}
.hero-overlay {
    will-change: opacity;
}

/* ── Scroll indicator ── */
.scroll-indicator {
    animation: float 2s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 8px); }
}

/* ── Mobile menu transition ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Card hover lift ── */
.group:hover {
    transform: translateY(-2px);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FFFCF7; }
::-webkit-scrollbar-thumb { background: #B85B3D; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a34e34; }

/* ── Selection ── */
::selection { background: #B85B3D; color: #FFF8F0; }