/* Botones */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background-color: var(--accent);
    color: var(--primary);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--primary);
    color: var(--neutral);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--primary);
}

/* Utilidades de texto */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Utilidades de margen y padding */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

/* Utilidades de animación */
.animated {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Clases para animaciones cuando están en viewport */
.in-viewport {
    opacity: 1 !important;
    transform: translateY(0) translateX(0) scale(1) !important;
}

/* Efectos de hover para botones */
.btn-hover-effect {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-hover-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    transition: transform 0.3s ease;
    transform: scaleX(0);
    transform-origin: right;
    z-index: -1;
}

.btn-hover-effect:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Transiciones para elementos interactivos */
a, button, .btn {
    transition: all 0.3s ease;
}

.service-card, .case-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}