/* Roadmap Section */
.roadmap {
    padding: 5rem 0;
    position: relative;
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(255, 255, 255, 0.02) 50%, var(--bg-color) 100%);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto 0;
    padding: 2rem 0;
}

/* Vertical Line */
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg,
            transparent 0%,
            var(--primary-color) 15%,
            var(--primary-color) 85%,
            transparent 100%);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.timeline-content {
    width: 45%;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
    z-index: 10;
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

/* Section Headers (Topology A/B) */
.timeline-section-header {
    width: 100%;
    text-align: center;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    position: relative;
    z-index: 20;
    backdrop-filter: blur(10px);
}

.timeline-section-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.timeline-section-header p {
    margin: 0.5rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.timeline-section-header.topology-b {
    background: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
    margin-top: 2rem;
}

/* Dot on the line */
.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

/* Alternating sides */
.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    /* Left side */
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    /* Right side */
}

/* Connector lines */
.timeline-content::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
    opacity: 0.5;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    right: -31px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    left: -31px;
}

/* Content Styles */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.2rem;
}

.status-done {
    background: rgba(74, 222, 128, 0.15);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.status-progress {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.status-planned {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.timeline-content .description {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.timeline-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.timeline-list li {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    padding-left: 0.5rem;
}

.timeline-list li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.timeline-list li strong {
    color: var(--text-color);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        margin-bottom: 3rem;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        padding: 1.5rem;
    }

    .timeline-dot {
        left: 20px;
        transform: translateX(-50%);
        width: 16px;
        height: 16px;
        border-width: 3px;
    }

    .timeline-content::after {
        left: -31px !important;
        right: auto !important;
    }

    .timeline-section-header {
        margin-left: 0;
        width: 100%;
        padding: 1.2rem 1rem;
    }

    .timeline-section-header h3 {
        font-size: 1.15rem;
        line-height: 1.4;
    }

    .timeline-section-header p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .timeline-content h3 {
        font-size: 1.1rem;
        line-height: 1.4;
        word-wrap: break-word;
        hyphens: auto;
        margin-bottom: 0.8rem;
    }

    .timeline-content .description {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }

    .status-badge {
        font-size: 0.7rem;
        padding: 0.35rem 0.8rem;
        margin-bottom: 1rem;
    }

    .timeline-list {
        margin: 0.8rem 0;
    }

    .timeline-list li {
        font-size: 0.82rem;
        margin-bottom: 0.9rem;
        line-height: 1.7;
        word-wrap: break-word;
    }

    .timeline-list li strong {
        display: inline-block;
        margin-bottom: 0.2rem;
    }
}