:root {
    --color-primary: #00a9ce;
    --color-secondary: #008aaa;
    --color-icon: #00a9ce;
    --color-text: #555;
    --color-title: #333;
    --color-background: #f8f9fa;
    --color-card-bg: #ffffff;
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

header {
    text-align: center;
    margin-bottom: 30px;
}

    header h1 {
        color: var(--color-title);
        font-size: 2.2rem;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.1rem;
        max-width: 700px;
        margin: 0 auto;
    }

.card-title {
    font-size: 1.5625rem !important;
    font-weight: 700 !important;
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: center;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* padrão: 2 colunas */
    gap: 20px;
    margin: 20px auto;
    max-width: 900px;
    padding-top: 2.2rem;
}

.card-item {
    background-color: var(--color-card-bg);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    padding: 20px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 220px;
}

    .card-item:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        border-color: var(--color-primary);
    }

.card-icon {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 12px;
    background: rgba(0, 169, 206, 0.08);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.card-item h3 {
    color: var(--color-title);
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.card-item p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 25px;
    flex-grow: 1;
}

.btn-external {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 6px;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none !important;
    align-self: flex-start;
}

    .btn-external:hover {
        background-color: var(--color-primary);
        color: white;
    }

    .btn-external i {
        margin-left: 8px;
        font-size: 0.8rem;
    }

.alert.alert-info {
    background-color: #bfeef4;
    color: #006064;
    border: 0;
    border-radius: 10px;
    padding: 20px 15px;
    line-height: 1.5;
    max-width: 100%;
}


@media (max-width: 992px) {
    .card-grid {
        max-width: 100%;
    }

    header p {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
        padding-top: 1rem;
    }

    .card-item {
        min-height: auto;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    .card-item h3 {
        font-size: 1.1rem;
    }

    .btn-external {
        width: 100%;
        justify-content: center;
    }
}
@media (min-width: 1200px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 1000px;
        gap: 24px;
    }

    .card-item {
        min-height: 240px;
        padding: 28px;
    }

        .card-item h3 {
            font-size: 1.35rem;
        }
}

@media (min-width: 1400px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 900px;
        gap: 25px;
    }

    .card-item {
        min-height: 260px;
        padding: 25px;
    }

        .card-item h3 {
            font-size: 1.4rem;
        }

        .card-item p {
            font-size: 1rem;
        }
}

@media (min-width: 1920px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 1400px;
        gap: 36px;
    }

    .card-item {
        min-height: 300px;
        padding: 40px;
    }

        .card-item h3 {
            font-size: 1.5rem;
        }

        .card-item p {
            font-size: 1.05rem;
        }

    .card-title {
        font-size: 1.8rem !important;
    }

    .btn-external {
        padding: 12px 26px;
        font-size: 1rem;
    }
}