/* ===========================================
   About Page — DATALAB
   =========================================== */

.about-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: calc(80px + var(--spacing-lg)) var(--spacing-lg) calc(var(--spacing-lg) * 3);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-color);
    opacity: 0.9;
    margin: 0;
}

/* About cards grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.about-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow);
    transition: all 0.3s ease;
}

.about-card:hover {
    box-shadow: 0 8px 20px var(--shadow);
    transform: translateY(-2px);
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-color);
}

.about-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
    color: var(--text-color);
    opacity: 0.8;
}

/* Themes section */
.about-themes {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.about-themes h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-color);
}

.theme-pills {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.theme-pill {
    background: rgba(229, 0, 86, 0.1);
    color: var(--han-pink);
    padding: 8px 20px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 500;
}

.about-mission {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    opacity: 0.8;
    margin: var(--spacing-md) 0 0 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================================
   Node Destroyer — game mode animations
   =========================================== */
.about-container.game-mode {
    overflow: hidden;
    max-height: 100vh;
}

.about-container.game-mode .page-header,
.about-container.game-mode .about-intro,
.about-container.game-mode .about-card,
.about-container.game-mode .about-themes {
    transition: transform 0.7s cubic-bezier(0.36, 1.6, 0.4, 1), opacity 0.5s ease;
}

.about-container.game-mode .page-header {
    transform: translate(-120vw, -60px) rotate(-12deg);
    opacity: 0;
}

.about-container.game-mode .about-intro {
    transform: translate(120vw, -30px) rotate(8deg);
    opacity: 0;
    transition-delay: 0.05s;
}

.about-container.game-mode .about-card:nth-child(1) {
    transform: translate(-110vw, -80px) rotate(-15deg);
    opacity: 0;
    transition-delay: 0.08s;
}

.about-container.game-mode .about-card:nth-child(2) {
    transform: translate(110vw, -50px) rotate(10deg);
    opacity: 0;
    transition-delay: 0.12s;
}

.about-container.game-mode .about-card:nth-child(3) {
    transform: translate(-100vw, 40px) rotate(-8deg);
    opacity: 0;
    transition-delay: 0.16s;
}

.about-container.game-mode .about-card:nth-child(4) {
    transform: translate(100vw, 60px) rotate(12deg);
    opacity: 0;
    transition-delay: 0.2s;
}

.about-container.game-mode .about-card:nth-child(5) {
    transform: translate(-90vw, 80px) rotate(-6deg);
    opacity: 0;
    transition-delay: 0.24s;
}

.about-container.game-mode .about-themes {
    transform: translateY(100vh) rotate(5deg);
    opacity: 0;
    transition-delay: 0.28s;
}

/* Return animation (when game-mode is removed) */
.about-container .page-header,
.about-container .about-intro,
.about-container .about-card,
.about-container .about-themes {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease;
}

/* Responsive */
@media screen and (max-width: 767px) {
    .about-container {
        padding: calc(50px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
    }

    .about-intro p {
        font-size: 1rem;
    }

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

    .about-card {
        padding: var(--spacing-md);
    }
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
    .about-container {
        padding: calc(60px + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
    }

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