.feature,
.client {
  background-color: var(--color-bg-light);
  overflow: hidden;
}

.whatis {
  background-color: var(--color-white);
  overflow: hidden;
}

.whatis__title,
.feature__title,
.client__title {
  color: var(--color-primary);
  font-weight: 800;
  font-size: 2.2em;
  text-align: center;
  margin-bottom: 1rem;
}

.whatis__description,
.feature__description,
.client__description {
  color: var(--color-text-muted);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
  font-size: 1.1rem;
}

/* What Is (Nuestra Solución) Section */
.whatis__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.whatis__content {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.whatis__media {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 270px;
}

.whatis__img {
  width: 100%;
  max-width: 425px;
  height: 100%;
  object-fit: contain;
  animation: float 4s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Features Grid */
.feature__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.feature__card {
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  flex-basis: 300px;
  flex-grow: 1;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  z-index: 1;
}

.feature__card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(12, 218, 211, 0.3);
}

.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-pill);
  background: rgba(12, 218, 211, 0.1);
  color: var(--color-secondary);
  font-size: 1.8em;
  margin-bottom: 1rem;
  transition: all var(--transition-normal);
}

.feature__card:hover .feature__icon {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: scale(1.1);
}

.feature__card-title {
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.3em;
  color: var(--color-text-main);
}

.feature__card-description {
  color: var(--color-text-muted);
}

/* Feature Demo Section */
.feature__demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 5rem;
  gap: 3rem;
  background: var(--color-white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.feature__demo-video {
  flex-basis: 400px;
  flex-grow: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.feature__demo-video .video {
  width: 100%;
  height: 300px;
  display: block;
}

.feature__demo-content {
  flex-basis: 350px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature__demo-title {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.feature__demo-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.feature__demo-item span {
  color: var(--color-secondary);
  font-size: 1.2em;
  margin-top: 2px;
}

/* Client Marquee (Infinite Scroll) */
.client__list-container {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.client__list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  margin-top: 1rem;
  width: calc(var(--slide-width) * var(--slide-count) * 2);
  animation: scroll var(--animation-speed) linear infinite;
  padding: 0;
}

.client__list-item {
  width: var(--slide-width);
  flex-shrink: 0;
  padding: 0 1rem;
}

.client__list-image {
  width: 100%;
  height: auto;
  filter: grayscale(100%);
  transition: filter var(--transition-normal);
}

.client__list-image:hover {
  filter: grayscale(0%);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(calc(var(--slide-width) * var(--slide-count) * -1));
  }
}