@import url('https://fonts.googleapis.com/css2?family=PT+Sans:wght@400;700&display=swap');

.hw-problem-section-2289 {
    max-width: 1140px;
    margin: 0 auto;
    padding: 80px 15px;
    background-color: #ffffff;
    font-family: 'PT Sans', sans-serif;
    box-sizing: border-box;
    overflow: hidden;
}

.hw-problem-section-title-2289 {
    text-align: center;
    color: #002c77;
    font-family: 'PT Sans', sans-serif;
    font-weight: 700;
    font-size: 30px;
    margin-top: 0;
    margin-bottom: 48px;
}

.hw-problem-grid-2289 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    justify-content: center;
}

.hw-problem-card-2289 {
    background-color: #ffffff;
    border-top: 4px solid #4b92db;
    border-radius: 8px;
    padding: 32px 28px;
    box-shadow: 0 2px 12px rgba(0, 44, 119, 0.08);
    transition: border-color 0.25s ease, transform 0.25s ease;
    text-align: center;
    opacity: 0;
    transform: translateY(16px);
}

.hw-problem-card-2289:hover {
    border-top-color: #ff5800;
    transform: translateY(-3px);
}

.hw-problem-card-2289.hw-is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out, border-color 0.25s ease;
}
.hw-problem-card-2289.hw-is-visible:hover {
    transform: translateY(-3px);
}

.hw-problem-icon-2289 {
    font-size: 48px;
    color: #ff5800;
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: scale(0.85);
}
.hw-problem-icon-2289 svg {
    width: 48px;
    height: 48px;
    fill: #ff5800;
}

.hw-problem-card-2289.hw-is-visible .hw-problem-icon-2289 {
    transform: scale(1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hw-problem-h3-2289 {
    color: #002c77;
    font-family: 'PT Sans', sans-serif;
    font-weight: 700;
    font-size: 19px;
    margin-top: 16px;
    margin-bottom: 12px;
}

.hw-problem-body-2289 {
    color: rgba(0, 44, 119, 0.88);
    font-family: 'PT Sans', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.65;
    margin: 0;
}

@media (max-width: 1024px) {
    .hw-problem-section-2289 {
        padding: 60px 20px;
    }
}

@media (max-width: 767px) {
    .hw-problem-section-2289 {
        padding: 40px 15px;
    }
    .hw-problem-section-title-2289 {
        font-size: 22px;
        margin-bottom: 32px;
    }
    .hw-problem-grid-2289 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .hw-problem-card-2289 {
        padding: 24px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hw-problem-card-2289 {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .hw-problem-icon-2289 {
        transform: scale(1) !important;
        transition: none !important;
    }
    .hw-problem-card-2289:hover {
        transform: none !important;
        border-top-color: #4b92db !important;
    }
}