/* ---- Animations ---- */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}

@keyframes sway {
    0%, 100% { transform: rotate(-2deg); }
    50%       { transform: rotate(2deg); }
}

@keyframes leafFall {
    0%   { transform: translateY(-20px) rotate(0deg); opacity: 0; }
    20%  { opacity: 1; }
    100% { transform: translateY(120vh) rotate(360deg); opacity: 0; }
}

.hero-text > * {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}

.hero-badge   { animation-delay: 0.1s; }
.hero-title   { animation-delay: 0.25s; }
.hero-subtitle{ animation-delay: 0.4s; }
.hero-cta     { animation-delay: 0.55s; }

.hero-illustration {
    animation: float 6s ease-in-out infinite;
}

/* Scroll-triggered reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

.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; }

/* Tree sway */
.tree-sway {
    transform-origin: bottom center;
    animation: sway 5s ease-in-out infinite;
}

/* Floating leaves */
.leaf-particle {
    position: absolute;
    pointer-events: none;
    font-size: 1.2rem;
    animation: leafFall linear infinite;
    opacity: 0;
}

/* Pulse for schooltool button */
@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 124, 89, 0.4); }
    50%       { box-shadow: 0 0 0 12px rgba(74, 124, 89, 0); }
}

.pulse {
    animation: pulse-green 2.5s ease-in-out infinite;
}