.m-section-1 {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--espacio-lg) 0;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.m-st1-titulo {
  font-size: 1.75rem;
  font-weight: var(--peso-bold);
  color: var(--color-texto-principal);
  line-height: 1.2;
  margin-bottom: var(--espacio-md);
  background: linear-gradient(135deg, var(--color-acento), var(--color-acento-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-1.25rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.m-st1-desc {
  font-size: 1.125rem;
  font-weight: var(--peso-medio);
  color: var(--color-texto-secundario);
  line-height: 1.4;
  margin-bottom: var(--espacio-lg);
  padding-left: var(--espacio-xs);
  border-left: 0.25rem solid var(--color-acento);
  animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.m-st1-p {
  font-size: var(--tamaño-texto-base);
  font-weight: var(--peso-normal);
  color: var(--color-texto-secundario);
  line-height: 1.8;
  margin-bottom: var(--espacio-lg);
  text-align: justify;
  animation: fadeInUp 0.7s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.m-st1-p-ul {
  list-style: none;
  margin: 0 0 var(--espacio-lg) 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--espacio-md);
}

.m-st1-p-ul-li {
  font-size: var(--tamaño-texto-base);
  font-weight: var(--peso-normal);
  color: var(--color-texto-secundario);
  line-height: 1.7;
  padding-left: var(--espacio-xl);
  position: relative;
  text-align: justify;
  transition: all var(--transicion-normal);
  animation: fadeInUp 0.8s ease-out;
}

.m-st1-p-ul-li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: linear-gradient(135deg, var(--color-acento), var(--color-acento-hover));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: var(--peso-bold);
  flex-shrink: 0;
  transition: all var(--transicion-normal);
}

.m-st1-p-ul-li:hover {
  color: var(--color-texto-principal);
  transform: translateX(0.5rem);
}

.m-st1-p-ul-li:hover::before {
  transform: scale(1.1) rotate(360deg);
  box-shadow: 0 0.25rem 0.75rem var(--color-sombra-hover);
}

@media (min-width: 481px) {
  .main {
    padding: var(--espacio-lg) var(--espacio-xl);
  }

  .m-section-1 {
    padding: var(--espacio-xl) 0;
  }

  .m-st1-titulo {
    font-size: 2rem;
    margin-bottom: var(--espacio-lg);
  }

  .m-st1-desc {
    font-size: 1.25rem;
    margin-bottom: var(--espacio-xl);
    padding-left: var(--espacio-md);
    border-left-width: 0.3rem;
  }

  .m-st1-p {
    font-size: var(--tamaño-texto-lg);
    margin-bottom: var(--espacio-xl);
  }

  .m-st1-p-ul {
    gap: var(--espacio-lg);
  }

  .m-st1-p-ul-li {
    font-size: var(--tamaño-texto-lg);
    padding-left: 2.5rem;
  }

  .m-st1-p-ul-li::before {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 1rem;
  }
}

@media (min-width: 769px) {
  .main {
    padding: var(--espacio-xl) var(--espacio-2xl);
  }

  .m-section-1 {
    max-width: 50rem;
    padding: var(--espacio-2xl) 0;
  }

  .m-st1-titulo {
    font-size: 2.5rem;
    margin-bottom: var(--espacio-xl);
  }

  .m-st1-desc {
    font-size: 1.375rem;
    margin-bottom: var(--espacio-2xl);
    padding-left: var(--espacio-lg);
    border-left-width: 0.375rem;
  }

  .m-st1-p {
    font-size: 1.125rem;
  }

  .m-st1-p-ul-li {
    font-size: 1.125rem;
    padding-left: 3rem;
  }

  .m-st1-p-ul-li::before {
    width: 2rem;
    height: 2rem;
    font-size: 1.125rem;
  }
}

@media (min-width: 1024px) {
  .m-section-1 {
    max-width: 60rem;
  }

  .m-st1-titulo {
    font-size: 3rem;
    margin-bottom: var(--espacio-2xl);
  }

  .m-st1-desc {
    font-size: 1.5rem;
  }

  .m-st1-p {
    font-size: 1.125rem;
  }

  .m-st1-p-ul {
    gap: var(--espacio-xl);
  }

  .m-st1-p-ul-li {
    font-size: 1.125rem;
  }
}

@media (min-width: 1440px) {
  .main {
    padding: var(--espacio-2xl) 4rem;
  }

  .m-section-1 {
    max-width: 70rem;
  }

  .m-st1-titulo {
    font-size: 3.5rem;
  }

  .m-st1-desc {
    font-size: 1.625rem;
  }
}


.m-st1-p:last-of-type {
  margin-bottom: 0;
  padding: var(--espacio-lg);
  background: linear-gradient(135deg, 
    rgba(59, 130, 246, 0.05), 
    rgba(37, 99, 235, 0.05));
  border-radius: var(--radio-lg);
  border: 1px solid var(--color-borde);
  font-weight: var(--peso-medio);
  box-shadow: 0 0.25rem 0.5rem var(--color-sombra);
  transition: all var(--transicion-normal);
}

.m-st1-p:last-of-type:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 0.5rem 1rem var(--color-sombra-hover);
}

body.dark .m-st1-p:last-of-type {
  background: linear-gradient(135deg, 
    rgba(96, 165, 250, 0.1), 
    rgba(59, 130, 246, 0.1));
}