/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

/* FUNDO COM IMAGEM */
body {
    background: url('f.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #333;
    padding-top: 140px; /* espaço para header + navbar fixa */
}

/* HEADER */
header {
    background: transparent;
    padding: 30px 20px;
    text-align: center;
}

/* LOGO */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.logo-img {
    width: 150px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0px 4px 6px rgba(0,0,0,0.3));
}

.logo-text h1 {
    font-size: 32px;
}

.logo-text p {
    font-size: 15px;
}

/* NAVBAR FIXA */
.navbar {
    background: #2b2b2b; /* cinza chumbo */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.6);
}



/* MENU DESKTOP */
.nav-list {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 40px;
    padding: 15px;
}

.nav-list a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: 0.3s;
}

.nav-list a:hover {
    color: black;
}

/* BOTÃO HAMBURGUER */
.menu-toggle {
    display: none;
    width: 30px;
    height: 22px;
    position: absolute;
    right: 20px;
    top: 15px;
    cursor: pointer;
}

/* LINHAS */
.menu-toggle span {
    position: absolute;
    height: 3px;
    width: 100%;
    background: #333;
    border-radius: 2px;
    transition: 0.3s;
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

/* ANIMAÇÃO X */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 9px;
}

/* SECTIONS */
section {
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.9);
    margin: 40px auto;
    width: 90%;
    max-width: 1100px;
    border-radius: 12px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.2);
}

h2 {
    margin-bottom: 20px;
    text-align: center;
}

/* CARDS */
.card {
    background: silver;
    padding: 25px;
    margin: 20px 0;
    border-radius: 10px;
}

/* VIDEOS */
.video-grid {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.video-card {
    width: 480px;
    max-width: 100%;
}

iframe {
    width: 100%;
    height: 260px;
    border-radius: 10px;
}

/* CONTATO */
.contato-box {
    text-align: center;
}

/* FOOTER */
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 20px;
}

/* RESPONSIVO */
@media (max-width: 768px) {

    .nav-list {
        flex-direction: column;
        display: none;
        background: #2b2b2b !important; /* força chumbo */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        text-align: center;
        padding: 20px 0;
    }

    .nav-list.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}
body {
    padding-top: 70px;
}
.nav-list a {
    color: white;
}

.nav-list a:hover {
    color: #ffd700;
}

.menu-toggle.active span {
    background: #ffd700; /* amarelo destaque */
}
.nav-list.active {
    display: flex;
    background: #1f1f1f; /* um pouco mais escuro */
}
.nav-list {
    transition: all 0.3s ease;
}

.menu-toggle span {
    transition: all 0.3s ease;
}