:root {
    --primaria: #133555;
    --secundaria: #112b63;
    --destaque: #ffc107;
    --claro: #f9f9f9;
    --escuro: #121212;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(170deg, var(--primaria), var(--secundaria));
    color: var(--claro);
    overflow-x: hidden;
}

/* Menu superior */
.navbar {
    background-color: var(--primaria);
    opacity: 0.95;
    min-height: 80px;
}
.nav-link {
    color: var(--claro) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}
.nav-link:hover {
    color: var(--destaque) !important;
}

/* Banner principal */
.hero{
    height: 35vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* Botões */
.btn-warning, .btn-warning:hover, .btn-warning:focus, .btn-warning:active {
    background-color: var(--destaque);
    color: var(--secundaria);
    width: 200px;
}
.btn-warning:hover{
    background-color: #fcd45c;
}
.btn-azul:hover, .btn-azul:focus, .btn-azul:active, .btn-azul:active:focus, .btn-azul:active:hover {
    background-color: var(--primaria);
    border-color: var(--primaria);
}

/* Seção de conteúdos */
.topic-card {
    transition: all 0.3s ease;
    border-radius: 15px;
}
.topic-card:hover {
    transform: translateY(-10px);
    background-color: var(--destaque);
}
.topic-card:hover h3, .topic-card:hover p, .topic-card:hover .icon-box {
    color: var(--secundaria);
}
.icon-box {
    font-size: 2.5rem;
    color: var(--primaria);
}

/* Estilo de títulos */
.section-title {
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--destaque);
    border-radius: 2px;
}

/* Foto do Gabriel */
.profile-img {
    max-width: 300px;
    height: auto;
    border: 4px solid var(--destaque);
}

/* Seção de Comentários */
.card-comentario {
    transition: all 0.3s ease;
}
.card-comentario:hover {
    transform: translateY(-5px);
}

.bg-primary {
    background-color: var(--primaria) !important;
}

.numero-whatsapp:hover, .email:hover {
    text-decoration: underline;
}

/* Botão WhatsApp Fixo na tela */
.whatsapp-fixed {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-fixed:hover {
    background-color: #128c5f;
    transform: scale(1.1);
}

/* Ajustes Responsivos */
@media (max-width: 991px) {
    .hero { height: 30
        vh; margin-bottom: 20px;}
    .topic-card { margin-bottom: 20px; }
    .navbar-collapse {
        background-color: var(--primaria);
        padding: 20px 10px;
    }
    .navbar .container {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
    }
    .nav-item .btn-warning {
        margin-top: 10px;
    }
}

@media (max-width: 768px) {
    section { padding: 40px 20px; }
    .hero h1 { font-size: 1.5rem; }
    .hero { height: auto; padding: 30px 20px 40px; }
    .navbar-collapse {
        background-color: var(--primaria);
        padding: 0px;
    }
    .navbar a.navbar-brand img{
        max-width: 200px;
        height: auto;
    }
    .profile-img {  
        max-height: 300px; 
        object-fit: cover; 
        min-width: 100%;
    }
    .btn-warning, .btn-azul { 
        width: 100% !important; 
        display: block;
    }
}