* {
    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;
}

.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);
    }
}

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

.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;
    }
}