/* ── Piece header (back link + title) ── */

.piece-header {
    padding: calc(var(--nav-height) + 2rem) 0 1rem;
    text-align: center;
}

.piece-header h1 {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.4rem;
}

.back-link {
    display: inline-block;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.back-link:hover {
    color: var(--color-white);
}

.subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

/* ── Scrollytelling layout ── */

.scrolly {
    position: relative;
    display: flex;
}

.sticky-map {
    position: sticky;
    top: 0;
    flex: 0 0 62%;
    height: 100vh;
    align-self: flex-start;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sticky-map svg {
    width: 95%;
    height: 85%;
    display: block;
    overflow: visible;
}

.steps {
    flex: 0 0 33%;
    margin-left: 2%;
    padding-top: 40vh;
    padding-bottom: 60vh;
    position: relative;
    z-index: 10;
}

.step {
    margin-bottom: 70vh;
    padding: 1.4rem 1.6rem;
    background: rgba(20, 23, 34, 0.88);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    backdrop-filter: blur(6px);
    opacity: 0.3;
    transition: opacity 0.4s ease;
}

.step.is-active {
    opacity: 1;
}

.step h2 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.step p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.step-stats {
    margin-top: 0.8rem;
    font-size: 0.8rem;
    line-height: 1.7;
    color: #c0c4d0;
}

.step-stats .stat-label { color: var(--color-text-muted); }
.step-stats .stat-value { color: #f0c040; font-weight: 600; }
.step-stats .stat-best { color: #4ecb71; }
.step-stats .stat-worst { color: #e05555; }

/* ── Map elements ── */

.country {
    fill: #2a3a4a;
    stroke: var(--color-bg);
    stroke-width: 0.4;
}

.bubble {
    stroke: #fff;
    stroke-width: 0.4;
    cursor: pointer;
}

.bubble:hover {
    stroke-width: 1.5;
}

/* ── Tooltip ── */

#tooltip {
    position: fixed;
    pointer-events: none;
    background: rgba(20, 23, 34, 0.95);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
    line-height: 1.5;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
    max-width: 240px;
}

#tooltip .country-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

#tooltip .score {
    color: #f0c040;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .piece-header {
        text-align: left;
    }
    
    .scrolly {
        flex-direction: column;
    }

    .sticky-map {
        flex: none;
        width: 100%;
        height: 50vh;
    }

    .steps {
        flex: none;
        width: 90%;
        margin: 0 auto;
        padding-top: 10vh;
    }

    .step {
        margin-bottom: 50vh;
    }
}