/* b-1/b1-style.css */
.sub-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    z-index: 100;
    padding: 20px 5%;
    border-bottom: 1px solid #1f1f1f;
}

.progress-container {
    width: 100%;
    height: 3px;
    background: #1f1f1f;
    position: absolute;
    bottom: 0;
    left: 0;
}

.progress-bar {
    height: 3px;
    background: var(--gold);
    width: 0%;
}

.tree-container {
    padding: 150px 5% 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.node-root {
    text-align: center;
    margin-bottom: 40px;
}

.node-label {
    color: var(--gold);
    font-size: 0.7rem;
    letter-spacing: 3px;
    font-weight: 700;
}

.tree-line {
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, var(--gold), #1f1f1f);
}

.tree-line.dashed {
    background: none;
    border-left: 2px dashed #333;
}

.node {
    display: flex;
    align-items: center;
    gap: 30px;
    max-width: 600px;
    width: 100%;
    padding: 30px;
    background: #141414;
    border: 1px solid #1f1f1f;
    border-radius: 12px;
    position: relative;
}

.node.active-highlight {
    border-color: var(--gold);
    box-shadow: 0 0 20px rgba(197, 160, 89, 0.1);
}

.node-dot {
    width: 12px;
    height: 12px;
    background: var(--gold);
    border-radius: 50%;
    position: absolute;
    left: -37px; /* Çizgi üzerine oturması için */
}

.btn-explore {
    margin-top: 15px;
    background: none;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 8px 16px;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
}

.btn-explore:hover {
    background: var(--gold);
    color: #000;
}

.node-end {
    margin-top: 40px;
    color: var(--gray);
    font-style: italic;
    font-size: 0.9rem;
}
#fissionCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #0d1117 0%, #050505 100%);
}

.tree-container {
    padding-top: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.glow-text {
    font-size: 3rem;
    letter-spacing: 5px;
    text-shadow: 0 0 20px rgba(197, 160, 89, 0.4);
    margin-bottom: 20px;
}

.node-card {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid #333;
    padding: 40px;
    border-radius: 20px;
    width: 320px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.node-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--gold);
}

.card-glow {
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.1), transparent);
    transition: 0.5s;
}

.node-card:hover .card-glow {
    left: 150%;
}

.connector {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    margin: 10px 0;
}

.btn-play {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    background: var(--gold);
    border: none;
    font-weight: 700;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%); /* Cyberpunk kesim */
}

.node-card[data-status="locked"] {
    filter: grayscale(1) brightness(0.5);
    border-style: dashed;
}