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

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

/* ── Scroll Animations ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    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; }
.reveal.delay-4 { transition-delay: 0.4s; }
.reveal.delay-5 { transition-delay: 0.5s; }
.reveal.delay-6 { transition-delay: 0.6s; }

/* ── Mobile Menu ── */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ── Image Hover ── */
.bg-white.rounded-2xl.overflow-hidden {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.bg-white.rounded-2xl.overflow-hidden:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(4, 120, 87, 0.12);
}

/* ── Input Focus Ring Animation ── */
input:focus,
textarea:focus {
    animation: focusRing 0.3s ease forwards;
}

@keyframes focusRing {
    from { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1); }
    to { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3); }
}

/* ── Success Message Animation ── */
#formSuccess.show {
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Header Scroll State ── */
header.scrolled {
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.08);
}

/* ── Selection Color ── */
::selection {
    background: rgba(4, 120, 87, 0.15);
    color: #064e3b;
}