:root {
    --gb-turquesa: #00b8b8;
    --gb-turquesa-escuro: #008c8c;
    --gb-cinza-claro: #f5f5f5;
    --gb-texto: #333333;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--gb-texto);
    background-color: #ffffff;
}

.gb-header {
    padding: 0 140px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 110px;
    z-index: 9999;
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
}

.gb-navbar {
    width: 100%;
    background-color: #ffffff;
}

.gb-logo {
    height: 80px;
}

.gb-logo-text {
    font-weight: 700;
    color: var(--gb-turquesa-escuro);
}

.nav-item {
    font-size: 25px;
    font-weight: bold;
}

.navbar-light .navbar-nav .nav-link {
    color: var(--gb-texto);
    transition: color 0.2s ease-in-out;
}

.navbar-light .navbar-nav .nav-link:hover {
    color: var(--gb-turquesa-escuro);
}

main {
    padding-top: 120px;
}

.btn-gb-primary {
    background-color: var(--gb-turquesa);
    border-color: var(--gb-turquesa);
    color: #ffffff;
}

.btn-gb-primary:hover {
    background-color: var(--gb-turquesa-escuro);
    border-color: var(--gb-turquesa-escuro);
    color: #ffffff;
}

.gb-hero {
    padding: 80px 0 60px 0;
    background: linear-gradient(180deg, var(--gb-turquesa) 0%, #ffffff 65%);
    color: #000000;
}

.gb-hero-title {
    font-size: 2.2rem;
    font-weight: 700;
}

.gb-hero-subtitle {
    font-size: 1.05rem;
    max-width: 480px;
}

.gb-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.gb-section-alt {
    background-color: var(--gb-cinza-claro);
}

.gb-section-title {
    color: var(--gb-turquesa-escuro);
    font-weight: 700;
}

.gb-card {
    background-color: #ffffff;
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05);
    padding: 24px 22px;
    margin-bottom: 24px;
}

.gb-card h3 {
    color: var(--gb-turquesa-escuro);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.gb-card p {
    font-size: 0.95rem;
}

.gb-card ul {
    padding-left: 18px;
    font-size: 0.9rem;
}

.gb-card-media .gb-thumb-video {
    background-color: var(--gb-turquesa);
    color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1rem;
    text-transform: uppercase;
}

.gb-footer {
    background-color: var(--gb-turquesa-escuro);
    color: #ffffff;
    padding: 20px 0;
    margin-top: 30px;
    font-size: 0.9rem;
}

.gb-copy {
    font-size: 0.8rem;
}

@media (max-width: 991.98px) {
    .gb-header {
        padding: 0 20px;
        height: auto;
    }

    main {
        padding-top: 95px;
    }

    .gb-logo {
        height: 60px;
    }

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

@media (max-width: 767.98px) {
    .gb-hero {
        text-align: center;
    }

    .gb-hero-subtitle {
        margin: 0 auto;
    }
}