/* What's New — release notes & changelog */

.mg-whats-new-page {
    --wn-ink: #1c1917;
    --wn-muted: #57534e;
    --wn-surface: #fafaf9;
    --wn-line: rgba(28, 25, 23, 0.08);
    --wn-accent: #7c3aed;
    --wn-accent-warm: #ea580c;
    --text-base: 1.5rem;
    --text-sm: 1.35rem;
    --text-lg: 2rem;
    --text-xl: clamp(2.5rem, 4.5vw, 3.5rem);
    --text-hero: clamp(3rem, 6vw, 4.75rem);
    --text-eyebrow: 1.25rem;
    font-size: var(--text-base);
    line-height: 1.65;
    color: var(--wn-ink);
}

.mg-whats-new-page .mg-page-hero-title {
    font-size: var(--text-hero);
    max-width: none;
}

.mg-whats-new-page section {
    padding: 4rem 0;
}

.mg-whats-new-surface {
    background: var(--wn-surface);
}

/* Audience filter chips */
.mg-whats-new-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin-bottom: 2.5rem;
}

.mg-whats-new-filter {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: 1px solid var(--wn-line);
    background: #fff;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--wn-muted);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.mg-whats-new-filter:hover {
    border-color: rgba(124, 58, 237, 0.35);
    color: var(--wn-ink);
}

.mg-whats-new-filter.is-active {
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
}

.mg-whats-new-filter i {
    font-size: 1.1rem;
}

/* Timeline */
.mg-whats-new-timeline {
    max-width: 52rem;
    margin: 0 auto;
}

.mg-whats-new-period {
    margin-bottom: 3rem;
}

.mg-whats-new-period:last-child {
    margin-bottom: 0;
}

.mg-whats-new-period-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-sm);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--wn-accent);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(124, 58, 237, 0.2);
}

.mg-whats-new-period-label i {
    font-size: 1rem;
}

.mg-whats-new-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Feature card */
.mg-whats-new-card {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.15rem;
    padding: 1.35rem 1.4rem;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--wn-line);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.mg-whats-new-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.mg-whats-new-card.is-hidden {
    display: none;
}

.mg-whats-new-card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.45rem;
    flex-shrink: 0;
    background: rgba(255, 237, 213, 0.85);
    color: var(--wn-accent-warm);
}

.mg-whats-new-card-icon--teacher {
    background: rgba(237, 233, 254, 0.9);
    color: var(--wn-accent);
}

.mg-whats-new-card-icon--everyone {
    background: linear-gradient(145deg, rgba(255, 237, 213, 0.9), rgba(237, 233, 254, 0.9));
    color: #4f46e5;
}

.mg-whats-new-card-body h3 {
    font-size: var(--text-lg);
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 0.45rem;
    color: var(--wn-ink);
}

.mg-whats-new-card-body p {
    font-size: var(--text-base);
    line-height: 1.65;
    color: var(--wn-muted);
    margin: 0 0 0.85rem;
}

.mg-whats-new-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
}

.mg-whats-new-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
}

.mg-whats-new-audience {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--wn-surface);
    color: var(--wn-muted);
    border: 1px solid var(--wn-line);
}

.mg-whats-new-audience--students {
    background: rgba(255, 237, 213, 0.5);
    color: #9a3412;
    border-color: rgba(234, 88, 12, 0.15);
}

.mg-whats-new-audience--teachers {
    background: rgba(237, 233, 254, 0.55);
    color: #5b21b6;
    border-color: rgba(124, 58, 237, 0.15);
}

.mg-whats-new-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--wn-accent);
    text-decoration: none;
    margin-left: auto;
}

.mg-whats-new-link:hover {
    color: #4f46e5;
    text-decoration: underline;
}

.mg-whats-new-link i {
    font-size: 1rem;
    transition: transform 0.15s ease;
}

.mg-whats-new-link:hover i {
    transform: translateX(3px);
}

/* Intro band */
.mg-whats-new-intro {
    max-width: 40rem;
    margin: 0 auto 2rem;
    text-align: center;
}

.mg-whats-new-intro p {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--wn-muted);
    margin: 0;
}

/* CTA */
.mg-whats-new-cta {
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: 22px;
    background: linear-gradient(135deg, #1e293b, #312e81);
    color: #fff;
}

.mg-whats-new-cta h3 {
    font-size: var(--text-lg);
    font-weight: 800;
    margin-bottom: 0.65rem;
    color: #fff;
}

.mg-whats-new-cta p {
    font-size: var(--text-base);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 1.25rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 575.98px) {
    .mg-whats-new-card {
        grid-template-columns: 1fr;
    }

    .mg-whats-new-card-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .mg-whats-new-link {
        margin-left: 0;
    }
}