/* ── Base & Utilities ─────────────────────────────────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* ── Scroll Reveal (progressive enhancement) ──────────────────── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        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-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-left.revealed {
        opacity: 1;
        transform: translateX(0);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Default visible state (no-JS fallback) */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
}

/* ── Navbar ───────────────────────────────────────────────────── */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(20, 83, 45, 0.08), 0 4px 24px rgba(20, 83, 45, 0.06);
}

#navbar.scrolled .nav-link {
    color: #2d2a24;
}

#navbar.scrolled .menu-line {
    background: #1c1917;
}

#navbar.scrolled .font-display {
    color: #1c1917;
}

/* ── 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; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Hamburger Animation ──────────────────────────────────────── */
.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.menu-btn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Buttons & Links ──────────────────────────────────────────── */
a {
    text-decoration: none;
}

/* ── Selection ────────────────────────────────────────────────── */
::selection {
    background: #16a34a;
    color: #fefdf8;
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #fdf9f0;
}
::-webkit-scrollbar-thumb {
    background: #86efac;
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: #22c55e;
}