/* css/style.css */

/* --- 1. Global Setup & Variables --- */
:root {
    --dark-bg: #24292e;
    --card-bg: #2b3137;
    --text-white: #ffffff;
    --text-light: #fafbfc;
    --accent-green: #2dba4e;
    --font-family: "Poppins", sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--dark-bg);
    color: var(--text-light);
    min-height: 100vh;
}

/* --- 2. Main Layout Container --- */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- 3. Glassmorphism Navbar --- */
.navbar-glass {
    position: fixed;
    z-index: 1000;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1240px;
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    
    background: rgba(43, 49, 55, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);

    animation: slideDownFadeIn 0.8s ease-out forwards;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.navbar-glass.navbar-scrolled {
    background: rgba(43, 49, 55, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-white);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.nav-link i {
    font-size: 1.2rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* --- 4. Header & Hero Section --- */
.hero {
    text-align: center;
    padding: 140px 0 80px; 
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
    color: var(--text-white);
}

.hero-content .subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto 32px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-green);
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 50px;
    transition:
        transform 0.3s ease,
        background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    background-color: #31d858;
}

/* --- 5. Main Content & Contributors Section --- */
main {
    padding-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-white);
    opacity: 0;
    animation: fadeInUp 0.8s 0.2s ease-out forwards;
}

#contributors-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.contributor-card.hidden {
    display: none !important;
}

.contributor-card {
    background: var(--card-bg);
    border-radius: 20px;
    width: 580px;
    border: 1px solid #444c56;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 24px;
    gap: 24px;
    opacity: 0;
    animation: card-appear 0.5s ease-out forwards;
}

.contributor-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.profile-image {
    width: 160px;
    height: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 16px;
    flex-shrink: 0;
    transition: opacity 0.4s ease-in-out;
    background-color: var(--dark-bg);
}

.card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    align-self: stretch;
}

.card-content h3 {
    margin: 0 0 4px;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-white);
    line-height: 1.2;
}

.card-content .username {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 16px;
    opacity: 0.8;
}

.card-content .bio {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.card-content .stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 16px;
    margin-bottom: 20px;
    width: 100%;
    gap: 10px;
}

.card-content .stat-item {
    text-align: center;
}

.card-content .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    display: block;
}

.card-content .stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    opacity: 0.8;
}

.card-buttons {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.card-button {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background-color: #373e47;
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    padding: 14px 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card-button:hover {
    background-color: var(--accent-green);
    color: var(--text-white);
    transform: translateY(-2px);
}

.card-button.view-project {
    background-color: var(--accent-green);
    color: var(--text-white);
}
.card-button.view-project:hover {
    background-color: #31d858;
}

/* --- 6. Footer --- */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--card-bg);
    color: var(--text-light);
    opacity: 0.8;
}

/* --- 7. Responsive Design --- */
@media (max-width: 1220px) {
    .contributor-card {
        width: 100%;
        max-width: 580px;
    }
}

@media (max-width: 768px) {
    .navbar-glass {
        flex-direction: column;
        gap: 16px;
        width: calc(100% - 32px);
        top: 16px;
    }
    .hero {
        padding: 180px 0 40px;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .contributor-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
        gap: 16px;
    }
    .profile-image {
        width: 120px;
        height: 120px;
        flex-shrink: 0;
    }
    .card-content {
        align-self: auto;
        width: 100%;
    }
    .card-content h3 {
        font-size: 1.4rem;
    }
    .card-content .username {
        margin-bottom: 12px;
    }
    .card-content .bio {
        flex-grow: 0;
        margin-bottom: 20px;
        -webkit-line-clamp: 3;
    }
    .card-content .stats {
        justify-content: space-around;
        margin-bottom: 24px;
    }
    .card-content .stat-value {
        font-size: 1.3rem;
    }
    .card-buttons {
        flex-direction: column;
    }
}

/* --- 8. Loader & Animations --- */
#loader {
    width: 60px;
    height: 60px;
    border: 5px solid var(--card-bg);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    margin: 50px auto;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes card-appear { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes slideDownFadeIn { from { opacity: 0; transform: translate(-50%, -100px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* --- 9. Load More & Search --- */
#load-more-container {
    display: none;
    text-align: center;
    margin-top: 40px;
}
#load-more-button:disabled {
    background-color: var(--card-bg);
    color: var(--text-light);
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}
.search-container {
    max-width: 600px;
    margin: 0 auto 40px;
}
.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border-radius: 50px;
    padding: 8px 8px 8px 20px;
    border: 1px solid #444c56;
    transition: box-shadow 0.3s ease;
}
.search-bar:focus-within {
    box-shadow: 0 0 0 3px var(--accent-green-transparent, #2dba4e4a);
    border-color: var(--accent-green);
}
.search-icon {
    font-size: 1.2rem;
    color: var(--text-light);
    opacity: 0.7;
    margin-right: 12px;
}
#search-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-light);
    font-size: 1rem;
    font-family: var(--font-family);
}
#search-input::placeholder {
    color: var(--text-light);
    opacity: 0.5;
}
.search-button {
    background: var(--accent-green);
    border: none;
    border-radius: 50%;
    color: var(--text-white);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    transition: background-color 0.3s ease;
}
.search-button:hover {
    background-color: #31d858;
}