:root {
    --cor-principal: #FFD700; /* Um dourado/amarelo vibrante */
    --cor-secundaria: #1a1a1a;
    --cor-texto: #f4f4f4;
    --cor-fundo: #121212;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--cor-principal);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    max-height: 50px;
}

nav a {
    color: var(--cor-texto);
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 1rem;
}

nav a:hover {
    color: var(--cor-principal);
}

main {
    padding-top: 92px; /* Altura exata do header */
}

#hero {
    background: linear-gradient(rgba(18, 18, 18, 0.7), rgba(18, 18, 18, 0.7)), url('https://images.unsplash.com/photo-1524368535928-5b5e00ddc76b?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

#hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Fonte responsiva */
    color: #fff;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
}

#hero p {
    font-size: clamp(1rem, 2.5vw, 1.2rem); /* Fonte responsiva */
    margin: 20px 0 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-whatsapp {
    background-color: #25D366;
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.05);
}

section {
    padding: 100px 0;
    text-align: center;
}

section h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 4vw, 2.5rem); /* Fonte responsiva */
    margin-bottom: 60px;
    color: var(--cor-principal);
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    width: 60%;
    height: 3px;
    background-color: var(--cor-principal);
    position: absolute;
    bottom: -15px;
    left: 20%;
}


#servicos {
    background-color: var(--cor-secundaria);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: left;
}

.servico-item {
    background-color: #2a2a2a;
    padding: 40px 30px;
    border-radius: 10px;
    border-left: 5px solid var(--cor-principal);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.servico-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.servico-item h3 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 15px;
    color: #fff;
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.galeria-grid img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease, filter 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.galeria-grid img:hover {
    transform: scale(1.03);
    filter: brightness(1.1);
    box-shadow: 0 8px 15px rgba(0,0,0,0.5);
}

footer {
    background-color: var(--cor-secundaria);
    padding: 60px 0 40px;
    text-align: center;
    border-top: 1px solid #333;
}

footer h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    margin: 10px 0 30px;
}

.copyright {
    margin-top: 50px;
    font-size: 0.9rem;
    color: #aaa;
}

/* Responsividade para Mobile */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 20px;
    }

    nav {
        width: 100%;
        display: flex;
        justify-content: space-around;
    }
    
    nav a {
        margin: 0 5px;
    }
    
    main {
        padding-top: 150px; /* Header maior no mobile */
    }

    section {
        padding: 60px 0;
    }
}