/* ── Base ── */
html {
    scroll-behavior: smooth;
}

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

/* ── Hero Animations (above the fold — always visible) ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in {
    animation: fadeIn 0.7s ease both;
}

.animate-slide-up {
    animation: fadeInUp 0.7s ease both;
}

.animate-slide-up-delay {
    animation: fadeInUp 0.7s ease 0.15s both;
}

.animate-slide-up-delay-2 {
    animation: fadeInUp 0.7s ease 0.3s both;
}

/* ── Scroll Reveal (below the fold only) ── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal-up {
    transform: translateY(30px);
}

.reveal-visible.reveal-left {
    transform: translateX(0);
}

.reveal-visible.reveal-right {
    transform: translateX(0);
}

.reveal-visible.reveal-up {
    transform: translateY(0);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .animate-fade-in,
    .animate-slide-up,
    .animate-slide-up-delay,
    .animate-slide-up-delay-2 {
        animation: none;
        opacity: 1;
    }
    img {
        transition: none;
    }
    .animate-bounce {
        animation: none;
    }
}

/* ── Mobile menu transitions ── */
#mobileMenu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobileMenu.open {
    opacity: 1;
    pointer-events: auto;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* ── Selection color ── */
::selection {
    background: #99f6e4;
    color: #134e4a;
}