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

/* ── Scroll Indicator Animation ── */
@keyframes scroll-indicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}
.animate-scroll-indicator {
    animation: scroll-indicator 1.5s ease-in-out infinite;
}

/* ── Floating Cards Animation ── */
@keyframes float-1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}
@keyframes float-2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(-0.5deg); }
}
@keyframes float-3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.3deg); }
}
.floating-card {
    animation: none;
}
@media (prefers-reduced-motion: no-preference) {
    .card-1 { animation: float-1 4s ease-in-out infinite; }
    .card-2 { animation: float-2 5s ease-in-out infinite; }
    .card-3 { animation: float-3 4.5s ease-in-out infinite; }
}

/* ── Scroll Reveal ── */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Navigation Scroll State ── */
#nav.scrolled {
    background: rgba(250, 248, 243, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

/* ── Selection Color ── */
::selection {
    background: #065f46;
    color: #f5f0e8;
}

/* ── Focus Styles ── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #059669;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Smooth image loading ── */
img {
    display: block;
    max-width: 100%;
}

/* ── Mobile menu transition ── */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
#mobile-menu.open {
    max-height: 400px;
}