/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: #050f1a;
    color: white;
}

/* Barra de Navegação Estilo Metalizado */
.navbar {
    background: linear-gradient(180deg, #1a2a3a 0%, #0a141d 100%);
    border-bottom: 2px solid #3a4a5a;
    padding: 10px 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    height: 90px;
}

.logo-site {
    height: 70px;
    width: auto;
    display: block;
}

.menu a {
    color: #cbd5e0;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 700;
    font-size: 14px;
    transition: 0.3s;
}

.menu a.active, .menu a:hover {
    color: #00aaff;
    text-shadow: 0 0 10px rgba(0, 170, 255, 0.5);
}

.btn-insta {
    background: linear-gradient(180deg, #1e3a5a 0%, #10253d 100%);
    border: 1px solid #3a5a7a;
    color: white;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    margin-left: 15px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('../images/fundo-sala.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.main-title {
    font-size: 60px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.1;
    margin-bottom: 40px;
}

.main-title span {
    font-weight: 400;
    font-size: 45px;
}

.btn-metal {
    display: inline-block;
    background: linear-gradient(180deg, #d1d5db 0%, #9ca3af 50%, #4b5563 100%);
    color: #111827;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 18px;
    border: 3px solid #374151;
    box-shadow: 0 10px 20px rgba(0,0,0,0.4), inset 0 2px 2px white;
    transition: transform 0.2s;
}

.btn-metal:hover {
    transform: scale(1.05);
}

/* Seção Serviços */
.services-section {
    padding: 80px 5%;
    background: #050f1a;
    text-align: center;
}

.section-title {
    font-size: 35px;
    margin-bottom: 50px;
    letter-spacing: 2px;
}

.services-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.service-card {
    background: white;
    color: #111;
    padding: 40px 20px;
    width: 350px;
    border-radius: 15px;
    border: 4px solid #004a8d;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: #007bff;
}

.service-card .card-icon {
    font-size: 48px;
}

.service-card h3 {
    font-size: 22px;
    margin: 20px 0;
    font-weight: 800;
}

/* Seção Instagram */
.instagram-section {
    background: url('../images/fundo-sala.jpg') no-repeat center center/cover;
    padding: 100px 5%;
    text-align: center;
    position: relative;
}

.overlay-insta {
    background: rgba(5, 15, 26, 0.85);
    padding: 50px;
    border-radius: 20px;
}

.insta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 40px 0;
}

.insta-item img {
    width: 100%;
    border-radius: 10px;
    border: 2px solid #fff;
    filter: grayscale(30%);
    transition: 0.3s;
}

.insta-item img:hover {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.btn-insta-full {
    display: inline-block;
    background: linear-gradient(180deg, #d1d5db 0%, #4b5563 100%);
    padding: 15px 40px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    border: 2px solid #fff;
}

/* Footer */
footer {
    background: #0a141d;
    text-align: center;
    padding: 40px;
    color: #8a9aa8;
    border-top: 1px solid #1a2a3a;
}

/* Responsivo */
@media (max-width: 768px) {
    .main-title {
        font-size: 32px;
    }
    .main-title span {
        font-size: 24px;
    }
    .menu a {
        margin: 0 8px;
        font-size: 11px;
    }
    .btn-insta {
        padding: 5px 12px;
        font-size: 10px;
    }
    .services-container {
        flex-direction: column;
        align-items: center;
    }
}