.roadmap-header {
    text-align: center;
    margin-bottom: 4rem;
}

.roadmap-header {
    font-size: 14px;
}

.roadmap-title {
    font-size: 2.5rem;
    color: var(--deep-gold);
    text-shadow: 2px 2px 10px var(--shadow-dark);
    margin-bottom: 0.5rem;
}

.roadmap-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--burnished-gold);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
    border-bottom: 3px solid var(--deep-gold);
    text-shadow: 1px 1px 5px var(--shadow-dark);
}

.section-title i {
    margin-right: 1.5rem;
    color: var(--deep-gold);
}

.action-disabled {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-color: #444;
    cursor: not-allowed;
}

.action-disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: #444;
}

.action-disabled::before {
    display: none;
}

.action-disabled .action-icon {
    color: #666;
}

.action-disabled .action-title {
    color: #999;
    text-shadow: none;
}

.action-disabled .action-description {
    color: #777;
}

.action-completed {
    background: linear-gradient(145deg, var(--ink-medium), var(--ink-dark));
    border-color: var(--burnished-gold);
    cursor: default;
}

.action-completed .action-icon {
    color: var(--burnished-gold);
}

.action-completed .action-title {
    color: var(--deep-gold);
}

.action-completed .action-description {
    color: var(--dark-parchment);
}

.action-completed:hover::before {
    opacity: 0;
}

.action-completed:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--burnished-gold);
}

.collapsible input[type="checkbox"] {
    display: none;
}

.collapsible label {
    cursor: pointer;
    display: block;
}

.collapsible label .section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    border-bottom: none;
}

.collapsible-container:has(input:checked) {
    border-color: var(--deep-gold);
}

.collapsible-icon {
    transition: transform 0.3s ease;
    font-size: 2rem;
}

.collapsible-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, padding-top 0.5s ease;
    padding-top: 0;
}

.collapsible input:checked ~ .collapsible-body {
    max-height: 500px; 
    padding-top: 2.5rem;
}

.collapsible input:checked + label .collapsible-icon {
    transform: rotate(180deg);
}