body {
    font-family: "Inter", sans-serif;
    background-color: #f5f5f5;
    color: #36454f;
    margin: 0;
    padding: 0;
}

#main {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    padding: 40px 60px;
    gap: 40px;
}

#img-main {
    width: 40%;
    flex-shrink: 0;
    border-radius: 12px;
    object-fit: contain;
}

#hero-text {
    flex: 1;
}

#hero-title {
    font-size: 48px;
    font-weight: 800;
    margin: 0 0 10px;
    line-height: 1.1;
    color: #0f1728;
}

#hero-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: #6b7280;
    margin: 0 0 16px;
    line-height: 1.4;
}

#hero-desc {
    font-size: 16px;
    font-weight: 400;
    color: #36454f;
    line-height: 1.75;
}

#sim-cta,
#game-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    text-decoration: none;
    width: 100%;
}

a#sim-cta,
a#game-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    text-decoration: none;
}

#cta-button {
    background-color: #0b5190;
    width: 40%;
    height: 40px;
    border-radius: 12px;
    cursor: pointer;
    color: #f5f5f5;
    border: none;
    font-size: 16px;
    font-weight: 600;
    font-family: "Inter", sans-serif;
    display: block;
    margin: 0 auto;
}

#cta-button:hover {
    background-color: #094477;
}

#cta-privacy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
}

#cta-shield {
    height: 14px;
}

#cta-privacy-text {
    font-size: 12px;
    font-weight: 500;
    margin: 0;
    color: #6b7280;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 40px 30px;
    align-items: stretch;
}

.feature-card {
    display: flex;
    flex-direction: column;
    border: 1.5px solid #0b5190;
    border-radius: 12px;
    padding: 16px;
    background: #fff;
}

.feature-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.feature-card-icon {
    height: 28px;
    width: 28px;
    flex-shrink: 0;
}

.feature-card-title {
    font-size: 14px;
    font-weight: 800;
    color: #0b5190;
    margin: 0;
}

.feature-card-desc {
    font-size: 12px;
    font-weight: 500;
    color: #36454f;
    margin: 0;
    line-height: 1.6;
}

.list {
    padding: 0 30px 0 60px;
    max-width: 900px;
}

.item {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    padding: 40px 0;
}

.item-num {
    font-size: 48px;
    font-weight: 800;
    color: #b0b8c1;
    line-height: 1;
    flex-shrink: 0;
    width: 60px;
    letter-spacing: -0.03em;
}

.item-text {
    flex: 1;
}

.item-title {
    font-size: 24px;
    font-weight: 800;
    color: #0b5190;
    margin: 0 0 10px;
    letter-spacing: -0.02em;
}

.item-para {
    font-size: 16px;
    font-weight: 400;
    color: #36454f;
    margin: 0;
    line-height: 1.75;
    max-width: 620px;
}

.divider {
    height: 1.5px;
    background-color: #e5e5e5;
    margin: 0 0 0 60px;
}

@media (max-width: 900px) {
    .feature-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    #main {
        flex-direction: column;
        padding: 24px 16px;
        gap: 20px;
    }

    #img-main {
        display: none;
    }

    #hero-title {
        font-size: 36px;
    }

    #hero-subtitle {
        font-size: 18px;
    }

    #cta-button {
        width: 80%;
    }

    #sim-cta,
    #game-cta {
        padding: 0 16px;
    }

    .feature-cards {
        grid-template-columns: 1fr;
        padding: 16px;
    }

    .feature-card-icon {
        display: none;
    }

    .list {
        padding: 0 16px;
    }

    .item {
        gap: 20px;
        padding: 24px 0;
    }

    .item-num {
        font-size: 32px;
        width: 40px;
    }

    .item-title {
        font-size: 18px;
    }

    .item-para {
        font-size: 14px;
    }

    .divider {
        margin-left: 16px;
    }
}