/* SECTION */
.collab-modern {
  padding: 15px 20px;
}

/* TITLE */
.main-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  color: var(--text-black);
  margin-bottom: 40px;
}

/* INTRO BOX */
.collab-intro-box {
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  margin-bottom: 30px;
  border-left: 5px solid var(--primary-blue);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.collab-intro-box h3 {
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.collab-intro-box p {
  line-height: 1.8;
  color: #444;
}

/* LIST */
.modern-list {
  margin-top: 15px;
  padding-left: 0;
  list-style: none;
}

.modern-list li {
  padding-left: 25px;
  position: relative;
  margin-bottom: 10px;
}

.modern-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--accent-red);
}

/* IMAGE BOX */
.collab-image-box {
  text-align: center;
  margin: 40px 0;
}

.collab-image-box h4 {
  margin-bottom: 20px;
  color: var(--primary-blue);
}

/* IMAGES */
.collab-images {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.collab-images img {
  width: 300px;
  border-radius: 12px;
  transition: 0.3s;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.collab-images img:hover {
  transform: scale(1.05);
}

/* ACCORDION */
.custom-accordion {
  margin-top: 30px;
}

.acc-item {
  margin-bottom: 15px;
}

.acc-btn {
  width: 100%;
  padding: 15px;
  background: #fff;
  border: none;
  font-weight: 600;
  text-align: left;
  border-left: 5px solid var(--primary-blue);
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.acc-btn:hover {
  background: var(--primary-blue);
  color: #fff;
}

.acc-content {
  display: none;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  margin-top: 5px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.acc-content.show {
  display: block;
}

/* MOBILE */
@media(max-width:768px){
  .collab-images img {
    width: 100%;
  }
}

/* TAB WRAPPER */
.collab-tabs {
  margin-top: 40px;
}

/* TAB BUTTONS */
.tab-buttons {
  display: flex;
  justify-content: center;   /* 🔥 center horizontally */
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tab-btn {
  padding: 12px 20px;
  border: none;
  background: #fff;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
}

/* ACTIVE TAB */
.tab-btn.active {
  background: var(--primary-blue);
  color: #fff;
}

/* HOVER */
.tab-btn:hover {
  background: var(--primary-blue);
  color: #fff;
}

/* TAB CONTENT */
.tab-content {
  display: none;
  position: relative;
  background: linear-gradient(135deg, #ffffff, #f8fbff);
  padding: 30px;
  border-radius: 16px;
  margin-top: 10px;

  /* glass + shadow */
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);

  /* smooth animation */
  animation: fadeSlide 0.4s ease;
}

/* ACTIVE CONTENT */
.tab-content.active {
  display: block;
}

.tab-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 5px;
  width: 100%;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-red));
  border-radius: 16px 16px 0 0;
}
/* HEADINGS */
.tab-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.tab-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 10px;
  color: #222;
  position: relative;
  padding-left: 12px;
}
.tab-content h4::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 14px;
  background: var(--accent-red);
  border-radius: 2px;
}
.tab-content p {
  line-height: 1.8;
  color: #555;
  font-size: 15px;
}

.tab-content .modern-list li {
  background: #fff;
  padding: 10px 12px 10px 35px;
  border-radius: 8px;
  margin-bottom: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  transition: 0.3s;
}

/* HOVER EFFECT */
.tab-content .modern-list li:hover {
  transform: translateX(5px);
  background: #f1f7ff;
}

/* ICON COLOR */
.tab-content .modern-list li::before {
  color: var(--primary-blue);
  font-weight: bold;
}

/* ANIMATION */
@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* SCROLL (FOR LONG CONTENT) */
.tab-content {
  max-height: 500px;
  overflow-y: auto;
}

/* CUSTOM SCROLLBAR */
.tab-content::-webkit-scrollbar {
  width: 6px;
}

.tab-content::-webkit-scrollbar-thumb {
  background: var(--primary-blue);
  border-radius: 10px;
}

/* ANIMATION */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MOBILE */
@media(max-width:768px){
  .tab-buttons {
    flex-direction: column;
  }

  .tab-btn {
    width: 100%;
    text-align: center;
  }
}