* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f8fafc;
    min-height: 100vh;

    display: flex;
    flex-direction: column;
}

/* HEADER */

.header {
    background: white;
    padding: 1rem 2rem;
    box-shadow: 0 1px 3px rgba(10, 126, 208, 0.15);
}

.header-content {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.header-content a {
    display: flex;
    align-items: center;
    color: #0A7ED0;
    text-decoration: none;
}

.header-content i {
    font-size: 1.25rem;
}

.header h1 {
    color: #0A7ED0;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
}


.hero-section h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .7rem;

    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;

    font-weight: 800;

    color: #0f172a;

    margin-bottom: 1.2rem;
}

.hero-section h1 i {
    color: #0A7ED0;
}

.page-subtitle {
    max-width: 700px;

    margin: 0 auto;

    font-size: clamp(1rem, 2vw, 1.15rem);

    line-height: 1.8;

    color: #64748b;
}


/* CARDS */

.cards-section {
    width: 100%;
}

.cards-section .row {
    align-items: stretch;
}

.cards-section .col-12 {
    display: flex;
}

.card {
    width: 100%;
    height: 100%;

    border: 1px solid #e2e8f0;

    border-radius: 18px;

    overflow: hidden;

    background: white;

    box-shadow:
        0 4px 15px rgba(15, 23, 42, 0.05);

    transition:
        transform .25s ease,
        box-shadow .25s ease,
        border-color .25s ease;
}

.card:hover {
    transform: translateY(-5px);

    border-color: #b9def5;

    box-shadow:
        0 12px 30px rgba(10, 126, 208, 0.12);
}


/* IMAGEM */

.card-img-top {
    width: 100%;
    height: 180px;

    object-fit: cover;

    background: #eef7ff;
}


/* CONTEÚDO */

.card-body {
    padding: 1.5rem;

    display: flex;
    flex-direction: column;

    text-align: left;
}

.card-title {
    color: #0f172a;

    font-size: 1.15rem;

    font-weight: 700;

    margin-bottom: .75rem;
}

.card-text {
    color: #64748b;

    font-size: .95rem;

    line-height: 1.7;

    margin: 0;
}


/* RESPONSIVO */

@media (max-width: 768px) {

    .header {
        padding: 1rem 1.25rem;
    }

    .hero-section {
        padding: 3rem 1.25rem;

        border-radius: 18px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }

    .card-img-top {
        height: 160px;
    }
}


@media (max-width: 576px) {

    .card-body {
        padding: 1.25rem;
    }

}
main {
    flex: 1;
}

footer {
    width: 100%;

    margin-top: 4rem;
    padding: 1.5rem;

    background: #0A7ED0;
    color: white;

    text-align: center;

    font-size: .9rem;
}

footer a {
    color: white;
    font-weight: 700;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}