/* =========================
   MÓDULO 8: NUESTROS CLIENTES
========================= */

.clients-section {
  position: relative;
  width: 100%;
  padding: 78px 0 82px;

  background:
    radial-gradient(
      circle at top left,
      rgba(28, 118, 210, 0.06),
      transparent 34%
    ),
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f7faff 100%
    );

  overflow: hidden;
}

.clients-container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.clients-header {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.clients-header h2 {
  margin: 0;

  color: #12233f;

  font-size: clamp(1.85rem, 3.5vw, 2.65rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.04em;
}

/* =========================
   CARRUSEL
========================= */

.clients-slider {
  position: relative;
  width: 100%;

  padding: 14px 0;

  overflow: hidden;
}

.clients-slider::before,
.clients-slider::after {
  content: "";

  position: absolute;
  top: 0;
  bottom: 0;

  z-index: 4;

  width: 90px;

  pointer-events: none;
}

.clients-slider::before {
  left: 0;

  background: linear-gradient(
    90deg,
    #f7faff 0%,
    rgba(247, 250, 255, 0) 100%
  );
}

.clients-slider::after {
  right: 0;

  background: linear-gradient(
    270deg,
    #f7faff 0%,
    rgba(247, 250, 255, 0) 100%
  );
}

.clients-track {
  display: flex;
  align-items: center;

  width: max-content;

  gap: 24px;

  animation: clients-scroll 28s linear infinite;

  will-change: transform;
}

/* =========================
   TARJETAS
========================= */

.client-logo {
  position: relative;

  box-sizing: border-box;

  flex: 0 0 190px;

  width: 190px;
  height: 108px;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 20px;

  background: #ffffff;

  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: 20px;

  box-shadow:
    0 10px 28px rgba(15, 23, 42, 0.07);

  overflow: hidden;

  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.client-logo img {
  display: block;

  width: 100%;
  height: 100%;

  max-width: 148px;
  max-height: 62px;

  object-fit: contain;
  object-position: center;

  opacity: 0.9;

  transition:
    opacity 0.3s ease,
    transform 0.3s ease,
    filter 0.3s ease;
}

/* =========================
   LOGOS OSCUROS O DE COLOR
========================= */

.client-logo:not(.client-logo-white) img {
  filter: grayscale(25%);
}

/* =========================
   LOGOS BLANCOS
========================= */

/*
  Se elimina completamente el rectángulo oscuro.
  Esta sombra crea un pequeño contorno para que
  los logos blancos se distingan sobre la tarjeta.
*/

.client-logo-white img {
  opacity: 1;

  filter:
    drop-shadow(1px 0 0 rgba(15, 23, 42, 0.75))
    drop-shadow(-1px 0 0 rgba(15, 23, 42, 0.75))
    drop-shadow(0 1px 0 rgba(15, 23, 42, 0.75))
    drop-shadow(0 -1px 0 rgba(15, 23, 42, 0.75))
    drop-shadow(0 4px 7px rgba(15, 23, 42, 0.18));
}

/* Se desactiva cualquier placa oscura anterior */

.client-logo-white::before {
  content: none;
}

/* =========================
   HOVER
========================= */

@media (hover: hover) and (pointer: fine) {
  .clients-slider:hover .clients-track {
    animation-play-state: paused;
  }

  .client-logo:hover {
    transform: translateY(-4px);

    border-color: rgba(37, 99, 235, 0.25);

    box-shadow:
      0 16px 36px rgba(15, 23, 42, 0.11);
  }

  .client-logo:hover img {
    opacity: 1;
    transform: scale(1.04);
  }

  .client-logo:not(.client-logo-white):hover img {
    filter: grayscale(0%);
  }

  .client-logo-white:hover img {
    filter:
      drop-shadow(1px 0 0 rgba(15, 23, 42, 0.85))
      drop-shadow(-1px 0 0 rgba(15, 23, 42, 0.85))
      drop-shadow(0 1px 0 rgba(15, 23, 42, 0.85))
      drop-shadow(0 -1px 0 rgba(15, 23, 42, 0.85))
      drop-shadow(0 5px 9px rgba(15, 23, 42, 0.22));
  }
}

/* =========================
   ANIMACIÓN
========================= */

@keyframes clients-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-50% - 12px));
  }
}

/* =========================
   ACCESIBILIDAD
========================= */

@media (prefers-reduced-motion: reduce) {
  .clients-track {
    width: 100%;

    flex-wrap: wrap;
    justify-content: center;

    animation: none;
  }
}

/* =========================
   TABLET
========================= */

@media (max-width: 768px) {
  .clients-section {
    padding: 66px 0 70px;
  }

  .clients-container {
    width: min(100% - 30px, 1180px);
  }

  .clients-header {
    margin-bottom: 30px;
  }

  .clients-header h2 {
    font-size: clamp(1.7rem, 7vw, 2.2rem);
  }

  .clients-track {
    gap: 18px;
    animation-duration: 24s;
  }

  .client-logo {
    flex-basis: 165px;

    width: 165px;
    height: 94px;

    padding: 17px;

    border-radius: 18px;
  }

  .client-logo img {
    max-width: 130px;
    max-height: 54px;
  }

  .clients-slider::before,
  .clients-slider::after {
    width: 50px;
  }

  @keyframes clients-scroll {
    from {
      transform: translateX(0);
    }

    to {
      transform: translateX(calc(-50% - 9px));
    }
  }
}

/* =========================
   CELULAR
========================= */

@media (max-width: 480px) {
  .clients-section {
    padding: 56px 0 60px;
  }

  .clients-container {
    width: min(100% - 24px, 1180px);
  }

  .clients-header {
    margin-bottom: 26px;
  }

  .clients-header h2 {
    font-size: clamp(1.55rem, 8vw, 1.9rem);
  }

  .clients-track {
    gap: 14px;
    animation-duration: 21s;
  }

  .client-logo {
    flex-basis: 142px;

    width: 142px;
    height: 84px;

    padding: 14px;

    border-radius: 16px;
  }

  .client-logo img {
    max-width: 112px;
    max-height: 48px;
  }

  .clients-slider::before,
  .clients-slider::after {
    width: 32px;
  }

  @keyframes clients-scroll {
    from {
      transform: translateX(0);
    }

    to {
      transform: translateX(calc(-50% - 7px));
    }
  }
}