/* Main Styles for Project Ubuntu */

/* ========== NAVIGATION ========== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-gray);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
}

.navbar-logo {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--pure-white) 0%, var(--african-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.navbar-link {
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--african-gold);
    transition: width var(--transition-base);
}

.navbar-link:hover {
    color: var(--african-gold);
}

.navbar-link:hover::after {
    width: 100%;
}

.navbar-link.active {
    color: var(--african-gold);
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    padding: var(--space-sm);
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--pure-white);
    transition: all var(--transition-base);
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(180deg, var(--midnight-black) 0%, var(--charcoal) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(212, 175, 55, 0.03) 100px,
            rgba(212, 175, 55, 0.03) 101px
        );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--pure-white) 0%, var(--african-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--light-gray);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== STATS SECTION ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-4xl);
}

.stat-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--charcoal);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-gray);
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--african-gold);
    transform: translateY(-4px);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    color: var(--african-gold);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.stat-label {
    color: var(--light-gray);
    font-size: var(--text-base);
}

/* ========== ARTICLE CARDS ========== */
.article-card {
    background: var(--charcoal);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    border-color: var(--african-gold);
    box-shadow: var(--shadow-gold);
    transform: translateY(-4px);
}

.article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark-gray) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    opacity: 0.5;
}

.article-content {
    padding: var(--space-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--african-gold);
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
    width: fit-content;
}

.article-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    color: var(--pure-white);
    flex: 1;
}

.article-excerpt {
    color: #cccccc;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--light-gray);
    font-size: var(--text-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-gray);
}

/* ========== SOLUTION CARDS ========== */
.solution-card {
    background: var(--charcoal);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.solution-card:hover {
    border-color: var(--african-gold);
    box-shadow: var(--shadow-gold);
}

.solution-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--space-md);
}

.solution-title {
    font-size: var(--text-xl);
    color: var(--pure-white);
    margin-bottom: var(--space-sm);
}

.solution-votes {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    min-width: 60px;
}

.vote-btn {
    background: transparent;
    color: var(--light-gray);
    font-size: var(--text-2xl);
    padding: var(--space-xs);
    transition: all var(--transition-base);
}

.vote-btn:hover {
    color: var(--african-gold);
    transform: scale(1.2);
}

.vote-count {
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--african-gold);
}

.solution-description {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.solution-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-gray);
}

.solution-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--charcoal);
    border-top: 1px solid var(--border-gray);
    padding: var(--space-4xl) 0 var(--space-xl);
    margin-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4xl);
    margin-bottom: var(--space-4xl);
}

.footer-section h3 {
    color: var(--african-gold);
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-link {
    color: var(--light-gray);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--african-gold);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--dark-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-size: var(--text-xl);
}

.social-link:hover {
    background: var(--african-gold);
    color: var(--midnight-black);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-gray);
    color: var(--light-gray);
}

.footer-quote {
    font-style: italic;
    color: var(--african-gold);
    margin-top: var(--space-md);
}

/* ========== MODAL ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--charcoal);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--text-2xl);
    color: var(--african-gold);
}

.modal-close {
    background: transparent;
    color: var(--light-gray);
    font-size: var(--text-3xl);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.modal-close:hover {
    color: var(--african-gold);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--border-gray);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* ========== LOADING ========== */
.loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-gray);
    border-top-color: var(--african-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 61px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-bottom: 1px solid var(--border-gray);
    }

    .navbar-menu.active {
        transform: translateX(0);
    }

    .navbar-toggle {
        display: flex;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .solution-header {
        flex-direction: column-reverse;
        align-items: start;
    }

    .solution-votes {
        flex-direction: row;
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}