/**
 * IITGNRP Client Logos Marquee
 * Professional horizontal scrolling client logos
 */

/* ========================================
   Client Logos Section
   ======================================== */

.c-client-logos {
  background: #ffffff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.c-client-logos::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, rgba(16, 66, 157, 0.02) 0%, transparent 70%);
  pointer-events: none;
}

/* Header Section */
.c-client-logos__header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 2;
}

.c-client-logos__header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 60px;
  font-weight: 600;
  color: #274472;
  line-height: 77px;
  text-align: center;
  margin: 0 auto 8px auto;
  max-width: 992px;
}

.c-client-logos__header p {
  font-family: 'Poppins', sans-serif;
  font-size: 25px;
  color: #333333;
  line-height: 38px;
  text-align: center;
  margin: 0 auto;
  max-width: 1099px;
}

/* Marquee Container */
.c-client-logos__marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin: 0 auto;
  /* Add gradient masks for smooth edges */
  mask: linear-gradient(90deg, 
    transparent 0%, 
    black 5%, 
    black 95%, 
    transparent 100%);
  -webkit-mask: linear-gradient(90deg, 
    transparent 0%, 
    black 5%, 
    black 95%, 
    transparent 100%);
}

/* Scrolling Track */
.c-client-logos__track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 60s linear infinite;
  gap: 2rem;
  align-items: center;
  /* Ensure continuous animation */
  animation-play-state: running !important;
}

/* Override any paused states */
.c-client-logos__track.paused,
.c-client-logos__track[data-paused="true"] {
  animation-play-state: running !important;
}

/* Individual Logo Styling */
.c-client-logo {
  flex-shrink: 0;
  width: 160px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.06),
    0 1px 3px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding: 1.5rem;
  border: 1px solid rgba(16, 66, 157, 0.1);
  cursor: pointer;
}

.c-client-logo:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 
    0 8px 25px rgba(0, 0, 0, 0.12),
    0 4px 10px rgba(0, 0, 0, 0.08);
  z-index: 10;
}

.c-client-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  /* filter: grayscale(30%) opacity(0.85); */
  transition: filter 0.3s ease, transform 0.3s ease;
}

.c-client-logo:hover img {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.1);
}

/* Marquee Animation */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Responsive Design */
@media (min-width: 1441px) {
  .c-client-logos {
    padding: 6rem 0;
  }

  .c-client-logos__header h2 {
    font-size: 72px;
    line-height: 92px;
  }

  .c-client-logos__header p {
    font-size: 30px;
    line-height: 45px;
  }

  .c-client-logo {
    width: 200px;
    height: 120px;
    padding: 1.75rem;
  }

  .c-client-logos__track {
    gap: 3rem;
  }
}

@media (min-width: 1025px) and (max-width: 1440px) {
  .c-client-logos {
    padding: 5rem 0;
  }

  .c-client-logos__header h2 {
    font-size: 64px;
    line-height: 82px;
  }

  .c-client-logos__header p {
    font-size: 28px;
    line-height: 42px;
  }

  .c-client-logo {
    width: 180px;
    height: 110px;
    padding: 1.5rem;
  }

  .c-client-logos__track {
    gap: 2.5rem;
  }
}

@media (max-width: 1024px) {
  .c-client-logos__marquee {
    margin: 0;
  }
  
  .c-client-logo {
    width: 140px;
    height: 90px;
    padding: 1.25rem;
  }
  
  .c-client-logos__track {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .c-client-logos {
    padding: 3rem 0;
  }
  
  .c-client-logos__header h2 {
    font-size: 2rem;
  }
  
  .c-client-logos__header p {
    font-size: 1rem;
  }
  
  .c-client-logo {
    width: 120px;
    height: 80px;
    padding: 1rem;
  }
  
  .c-client-logos__track {
    gap: 1rem;
    animation-duration: 40s;
  }
}

@media (max-width: 480px) {
  .c-client-logos {
    padding: 2rem 0;
  }
  
  .c-client-logos__header {
    margin-bottom: 2rem;
  }
  
  .c-client-logos__header h2 {
    font-size: 1.75rem;
  }
  
  .c-client-logo {
    width: 100px;
    height: 70px;
    padding: 0.75rem;
  }
  
  .c-client-logos__track {
    animation-duration: 30s;
  }
}

/* Accessibility & Performance */
@media (prefers-reduced-motion: reduce) {
  .c-client-logos__track {
    animation: marqueeScroll 120s linear infinite;
  }
  
  .c-client-logo {
    transition: transform 0.6s ease, box-shadow 0.6s ease;
  }
}

/* Loading States */
.c-client-logo img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.c-client-logo img[loading="lazy"].loaded {
  opacity: 1;
}

/* Keep consistent light theme */

/* Large screens 2000px+ */
@media (min-width: 2000px) {
  .c-client-logos {
    padding: 7rem 0;
  }
  .c-client-logos__header h2 {
    font-size: 80px;
    line-height: 100px;
  }
  .c-client-logos__header p {
    font-size: 32px;
    line-height: 48px;
  }
  .c-client-logo {
    width: 200px;
    height: 130px;
    padding: 2rem;
  }
  .c-client-logos__track {
    gap: 3rem;
  }
}

/* Ultra Large screens 2400px+ */
@media (min-width: 2400px) {
  .c-client-logos {
    padding: 8rem 0;
  }
  .c-client-logos__header h2 {
    font-size: 95px;
    line-height: 120px;
  }
  .c-client-logos__header p {
    font-size: 38px;
    line-height: 56px;
  }
  .c-client-logo {
    width: 240px;
    height: 160px;
    padding: 2.5rem;
    border-radius: 16px;
  }
  .c-client-logos__track {
    gap: 4rem;
  }
}

/* Extra Ultra Large screens 2800px+ */
@media (min-width: 2800px) {
  .c-client-logos {
    padding: 10rem 0;
  }
  .c-client-logos__header {
    margin-bottom: 5rem;
  }
  .c-client-logos__header h2 {
    font-size: 110px;
    line-height: 140px;
  }
  .c-client-logos__header p {
    font-size: 46px;
    line-height: 68px;
    max-width: 1500px;
  }
  .c-client-logo {
    width: 300px;
    height: 200px;
    padding: 3rem;
    border-radius: 20px;
  }
  .c-client-logos__track {
    gap: 5rem;
  }
}