/* ── Base ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ── Scroll reveal (progressive enhancement) ─────────────── */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Floating cards ──────────────────────────────────────── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
.animate-float {
    animation: float 5s ease-in-out infinite;
}
.animate-float-delayed {
    animation: float-delayed 6s ease-in-out infinite;
    animation-delay: 1s;
}

/* ── Navbar ──────────────────────────────────────────────── */
#nav {
    background: rgba(250, 248, 245, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(184, 97, 60, 0.08);
}
#nav.scrolled {
    box-shadow: 0 1px 24px rgba(44, 36, 32, 0.06);
}

/* ── Mobile menu ─────────────────────────────────────────── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-line { display: block; }
.menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ── Selection ───────────────────────────────────────────── */
::selection {
    background: rgba(184, 97, 60, 0.15);
    color: #2c2420;
}

/* ── Smooth focus ────────────────────────────────────────── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #B8613C;
    outline-offset: 3px;
    border-radius: 4px;
}

/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}