/* ========================================
   DATACLASH PROJECT SPECIFIC STYLES
   ======================================== */

.dataclash-hero {
    background: linear-gradient(
        135deg,
        var(--charcoal) 0%,
        var(--steel-blue-dark) 58%,
        var(--charcoal-light) 100%
    );
}

.data-grid {
    position: absolute;
    inset: 0;
    opacity: 0.14;
    background-image:
        linear-gradient(var(--steel-blue) 1px, transparent 1px),
        linear-gradient(90deg, var(--steel-blue) 1px, transparent 1px);
    background-size: 42px 42px;
}

.faction-marks {
    position: absolute;
    inset: 0;
    overflow: hidden;
    color: var(--concrete);
    font-size: clamp(5rem, 14vw, 11rem);
    font-weight: 900;
    letter-spacing: -0.07em;
    opacity: 0.045;
    pointer-events: none;
    user-select: none;
}

.faction-marks span {
    position: absolute;
}

.faction-marks span:first-child {
    top: 4%;
    right: -2%;
    transform: rotate(8deg);
}

.faction-marks span:last-child {
    bottom: -10%;
    left: -1%;
    transform: rotate(-8deg);
}

/* Exercise progression */
.mission-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-sm);
    max-width: 780px;
    margin: var(--space-xl) auto 0;
    padding: var(--space-lg);
    border: 3px solid var(--charcoal);
    border-top: 8px solid var(--steel-blue);
    background: var(--concrete-light);
}

.mission-card {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    min-width: 0;
    border: 2px solid var(--charcoal);
    background: var(--concrete);
}

.mission-number {
    display: grid;
    place-items: center;
    padding: var(--space-md);
    background: var(--steel-blue);
    color: var(--concrete);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 900;
}

.mission-card > div {
    padding: var(--space-lg);
}

.mission-status {
    display: inline-block;
    margin-bottom: var(--space-sm);
    color: var(--steel-blue-dark);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mission-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--steel-blue-dark);
    font-size: 1.1rem;
}

.mission-card p {
    margin: 0;
    color: var(--charcoal-light);
    font-size: 0.93rem;
    line-height: 1.65;
}

.mission-card--partial .mission-number {
    background: var(--warm-gray);
    color: var(--charcoal);
}

.mission-card--missing .mission-number {
    background: var(--charcoal);
}

.mission-card--missing .mission-status {
    color: var(--charcoal-light);
}

.mission-arrow {
    display: grid;
    place-items: center;
    color: var(--accent-orange);
    font-size: 1.7rem;
    font-weight: 900;
    line-height: 1;
}

/* Verified SQL features */
.implementation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.implementation-card {
    padding: var(--space-lg);
    border: 2px solid var(--charcoal);
    border-top: 5px solid var(--steel-blue);
    background: var(--concrete-light);
}

.implementation-label {
    display: inline-block;
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--steel-blue);
    color: var(--concrete);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.implementation-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--steel-blue-dark);
    font-size: 1.08rem;
}

.implementation-card p {
    margin: 0;
    color: var(--charcoal-light);
    font-size: 0.93rem;
    line-height: 1.65;
}

/* Preserved scope */
.scope-list {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.scope-item {
    display: grid;
    grid-template-columns: minmax(130px, 0.24fr) minmax(0, 1fr);
    align-items: stretch;
    border: 2px solid var(--charcoal);
    background: var(--concrete-light);
}

.scope-status {
    display: grid;
    place-items: center;
    padding: var(--space-md);
    background: var(--steel-blue);
    color: var(--concrete);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-align: center;
    text-transform: uppercase;
}

.scope-item > div {
    padding: var(--space-md) var(--space-lg);
}

.scope-item h3 {
    margin-bottom: var(--space-xs);
    color: var(--steel-blue-dark);
    font-size: 1rem;
}

.scope-item p {
    margin: 0;
    color: var(--charcoal-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.scope-item--partial .scope-status {
    background: var(--warm-gray);
    color: var(--charcoal);
}

.scope-item--missing .scope-status {
    background: var(--charcoal);
}

/* Source excerpt */
.code-example {
    margin-top: var(--space-xl);
    border-left: 4px solid var(--steel-blue);
}

.code-example pre {
    margin: 0;
}

.code-example code {
    color: var(--concrete);
}

/* Summary */
.project-summary {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.summary-block {
    padding: var(--space-lg);
    border-left: 4px solid var(--steel-blue);
    background: var(--concrete-light);
}

.summary-block:last-child {
    border-left-color: var(--accent-orange);
}

.summary-block h3 {
    margin-bottom: var(--space-sm);
    color: var(--steel-blue-dark);
}

.summary-block p {
    margin: 0;
    color: var(--charcoal-light);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .faction-marks {
        font-size: 5rem;
    }

    .mission-flow {
        padding: var(--space-md);
    }

    .mission-card,
    .scope-item {
        grid-template-columns: 1fr;
    }

    .mission-number,
    .scope-status {
        min-height: 48px;
        justify-items: start;
        text-align: left;
    }

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

@media print {
    .data-grid,
    .faction-marks,
    .main-nav,
    .project-navigation,
    .main-footer {
        display: none;
    }

    .mission-card,
    .implementation-card,
    .scope-item,
    .summary-block {
        break-inside: avoid;
    }
}