body {
    background: linear-gradient(135deg, #6ea7e2 0%, #f7d358 100%);
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    padding-top: 150px;
}

.learn-bg {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 16px 32px 16px;
}

.learn-section {
    margin-bottom: 48px;
}

.learn-title {
    font-family: 'Oswald', Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: #222;
    margin-bottom: 18px;
    text-align: center;
}

.learn-desc {
    font-size: 2rem;
    color: #222;
    border-radius: 12px;
    padding: 24px 20px;
    margin: 0 auto;
    max-width: 900px;
    box-shadow: 0 2px 12px rgba(56,135,198,0.07);
    text-align: justify;
}

.learn-subtitle {
    font-family: 'Oswald', Arial, sans-serif;
    font-size: 2.6rem;
    color: #222;
    font-weight: 700;
    margin-bottom: 18px;
    text-align: center;
}

.learn-header-img {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}
.learn-header-img img {
    max-width: 100%;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(56,135,198,0.10);
}

.signal-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}

.signal-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(56,135,198,0.10);
    padding: 28px 22px 18px 22px;
    width: 480px; /* Increased from 340px */
    min-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.signal-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 8px;
}

.signal-number {
    font-family: 'Oswald', Arial, sans-serif;
    font-size: 1.3rem;
    color: #fed111;
    font-weight: 700;
    text-shadow: 1px 1px 2px #000000;
}

.signal-name {
    font-size: 1.1rem;
    color: #fed111;
    font-weight: 700;
    text-shadow: 1px 1px 2px #000000;
}

.signal-desc, .signal-wind {
    font-size: 1rem;
    color: #ffffff;
    text-shadow: 1px 1px 2px #000000;
    text-align: justify;
}

.signal-actions {
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-top: 10px;
}

.signal-actions > div {
    flex: 1 1 0;
}

.signal-actions strong {
    color: #fed111;
    text-shadow: 1px 1px 2px #000000;
    font-size: 1.05rem;
}

.signal-actions ul {
    margin: 8px 0 0 18px;
    padding: 0;
    color: #ffffff;
    text-shadow: 1px 1px 2px #000000;
    font-size: 0.98rem;
}

.signal-icon {
    display: block;
    margin: 0 auto 10px auto;
    max-width: 80px;
    height: auto;
}

.signal-icon-test {
    display: block;
    margin: 0 auto 10px auto;
    max-width: 150px;
    height: auto;
}

.signal-1 {
    background-image: url('../images/signal/learnBG.png');
    background-size: cover;
    background-position: center;
    border-color: #072c4b;
}

.slide-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.slide-up-in {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .signal-cards {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
    .signal-card {
        width: 98%;
        min-width: 0;
    }
}