* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at top, #1a2332 0%, #0d1117 50%);
  z-index: -1;
}

.main-header {
  text-align: center;
  padding: 1.2rem 1rem;
  padding-top: 8rem;
    
}

.main-header p {
  font-size: 1.2rem;
  color: #8b949e;
  font-weight: 400;
}

.main-title {
  font-size: 4vw;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #f5576c 75%,
    #4facfe 100%
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: colorShift 10s ease infinite;
  position: relative;
}

@keyframes colorShift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.title-underline {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  box-shadow: 0px 0px 8px rgba(102, 126, 234, 0.3);
  border-radius: 2px;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%,
  100% {
    opacity: 1;
    transform: translateX(-50%) scaleX(1);
  }

  50% {
    opacity: 0.7;
    transform: translateX(-50%) scaleX(1.2);
  }
}

.contributors {
  list-style: none;
  padding: 0;
  margin: 50px 0;
  max-width: 20rem;
  text-align: left;
}

.contributors li {
  margin: 12px 0;
  list-style-type: disc;
}

.contributor-name {
  font-size: 20px;
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  transition: 0.25s;
  letter-spacing: 0.5px;
}

.contributor-name:hover {
  color: #00d9ff;
  text-shadow: 0px 0px 10px #00d9ff;
  transform: translateX(4px);
}


.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* Modified layout for contributors card */
.member-card {
  background: rgba(22, 27, 34, 0.6);
  border: 2px solid #30363d;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  transition: transform 0.3s, box-shadow 0.5s;
  position: relative;
  backdrop-filter: blur(8px);
  flex-direction: row;
}

.member-card div {
  display: block;
}

.card-left {
  flex: 0 0 140px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-right {
  flex: 1;
  text-align: left;
}

.profile-photo {
  width: 200px;
  height: 200px;
}

.member-name {
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.member-position {
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.contribution-date {
  font-size: 0.85rem;
  color: #8b949e;
  margin-bottom: 8px;
}

.contribution-details {
  font-size: 0.9rem;
  color: #d0d7de;
  line-height: 1.45;
}

/* Improved Unique ID alignment */
.name-row {
  display: flex !important;
  align-items: center;
  gap: 12px;
}

.unique-id {
  font-size: 0.75rem;
  background: #21262d;
  color: #a5b1c2;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid #30363d;
  transition: all 0.3s ease;
  white-space: nowrap;
}

/* Verification Button Styling */
.verify-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #8b949e;
  margin-top: 10px;
  width: fit-content;
  transition: all 0.3s ease;
}

.verify-btn:hover {
  background: #4facfe;
  border-color: #4facfe;
  color: #fff;
  transform: translateY(-4px);
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .name-row {
    flex-direction: column;
    gap: 4px;
  }

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

/* Hover reveal animation for right side */
.member-card .card-right * {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.member-card:hover .card-right .contribution-date,
.member-card:hover .card-right .contribution-details {
  opacity: 1;
  transform: translateY(0);
}

/* Certificate Button */
.certificate-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #8b949e;
  margin-top: 12px;
  transition: all 0.3s ease;
}

.certificate-btn:hover {
  background: #667eea;
  border-color: #667eea;
  color: #fff;
  transform: translateY(-4px);
}

/* Certificate Issued Date */
.certificate-date {
  font-size: 0.85rem;
  color: #a1a8b0;
  margin-top: 6px;
  transition: opacity 0.3s, transform 0.3s;
}

/* Mobile override */
@media (max-width: 640px) {
  .certificate-btn,
  .certificate-date {
    text-align: center;
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Responsive for mobile */
@media (max-width: 640px) {
  .member-card {
    flex-direction: column;
    text-align: center;
    gap: 18px;
  }

  .card-left {
    flex: unset;
  }

  .card-right {
    text-align: center;
  }
}