/* ── Base ── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

::selection {
    background: #b9d0b8;
    color: #1c3a26;
}

/* ── Navigation ── */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: #2D5A3D;
    border-radius: 1px;
    transition: transform 0.2s ease;
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.reveal[data-delay="75"]  { transition-delay: 75ms; }
.reveal[data-delay="150"] { transition-delay: 150ms; }
.reveal[data-delay="225"] { transition-delay: 225ms; }

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .reveal[data-delay="75"],
    .reveal[data-delay="150"],
    .reveal[data-delay="225"] { transition-delay: 0s; }
    #back-to-top { transition: none; }
}

/* ── Focus Styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #4d834d;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Form Select Arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%232D5A3D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F5F0E8;
}
::-webkit-scrollbar-thumb {
    background: #b9d0b8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #8fb88e;
}