/* ============================================
   ANIMACIONES Y TRANSICIONES
   ============================================ */

/* ---------- FADE IN UP ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.7s ease forwards;
}

/* ---------- FADE IN ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* ---------- SCALE IN ---------- */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn 0.5s ease forwards;
}

/* ---------- SLIDE IN LEFT ---------- */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.7s ease forwards;
}

/* ---------- SLIDE IN RIGHT ---------- */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.7s ease forwards;
}

/* ---------- REVEAL ON SCROLL ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---------- STAGGER (hijos escalonados) ---------- */
.stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger--visible > * {
    opacity: 1;
    transform: translateY(0);
}

.stagger--visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger--visible > *:nth-child(2) { transition-delay: 0.15s; }
.stagger--visible > *:nth-child(3) { transition-delay: 0.25s; }
.stagger--visible > *:nth-child(4) { transition-delay: 0.35s; }
.stagger--visible > *:nth-child(5) { transition-delay: 0.45s; }
.stagger--visible > *:nth-child(6) { transition-delay: 0.55s; }

/* ---------- HOVER LIFT ---------- */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* ---------- PULSE ---------- */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ---------- SHAKE (para errores de formulario) ---------- */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.shake {
    animation: shake 0.4s ease;
}

/* ---------- CHECK (para formulario exitoso) ---------- */
@keyframes checkmark {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.checkmark {
    animation: checkmark 0.5s ease forwards;
}