/* Importação de Fontes Premium */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:wght@700&display=swap');

:root {
    --bg-dark: #0a0c10;          /* Preto profundo/azulado */
    --accent-gold: #c5a059;     /* Dourado fosco */
    --accent-gold-rgb: 197, 160, 89;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
    --glass: rgba(255, 255, 255, 0.03);
    --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- HEADER / NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 8%;
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    letter-spacing: 3px;
    font-weight: 700;
    text-transform: uppercase;
}

.logo span {
    color: var(--accent-gold);
    font-weight: 400;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 0.85rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-gold);
}

.btn-contact {
    background: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    padding: 0.7rem 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--accent-gold);
    color: var(--bg-dark);
    box-shadow: 0 10px 20px rgba(var(--accent-gold-rgb), 0.2);
}

/* --- HERO SECTION --- */
.hero-section {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
    background: radial-gradient(circle at center, #161b22 0%, #0a0c10 100%);
}

.reveal-text {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    line-height: 1.1;
}

.hero-section p {
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.btn-premium {
    background: var(--accent-gold);
    color: var(--bg-dark);
    border: none;
    padding: 1.2rem 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-premium:hover {
    transform: translateY(-5px);
    filter: brightness(1.1);
}

/* --- EXPERTISE SECTION (Grid Avançado) --- */
.expertise-section {
    padding: 100px 8%;
}

.expertise-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
}

.expertise-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass);
    padding: 3rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--accent-gold);
    transition: var(--transition);
}

.card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-10px);
    border-color: rgba(var(--accent-gold-rgb), 0.3);
}

.card:hover::before {
    height: 100%;
}

.card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.footer {
    background: #05070a; /* Levemente mais escuro que o corpo para criar profundidade */
    padding: 80px 8% 20px;
    border-top: 1px solid rgba(197, 160, 89, 0.2);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 50px;
}

.footer-col h3 {
    color: var(--accent-gold);
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-col p {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

/* Linha inferior */
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #555;
    font-size: 0.8rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    /* Escondemos o botão de contato original do header no mobile para não ocupar espaço */
    .navbar .btn-contact {
        display: none;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }

    .bar {
        display: block;
        width: 25px;
        height: 2px;
        margin: 5px auto;
        background-color: var(--accent-gold);
        transition: var(--transition);
    }

    /* Transformamos a lista em um menu lateral (Drawer) */
    .nav-list {
        position: fixed;
        left: -100%;
        top: 80px; /* Altura da navbar */
        flex-direction: column;
        background-color: var(--bg-dark);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 2rem;
    }

    /* Quando o menu estiver ativo */
    .nav-list.active {
        left: 0;
    }

    .nav-link {
        font-size: 1.2rem;
    }

    /* Animação do ícone Hambúrguer virando um 'X' */
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Garante que o hambúrguer não apareça no Desktop */
@media (min-width: 769px) {
    .hamburger { display: none; }
}

/* Estado inicial para elementos de revelação */
.reveal-text, .card, .about-section h2, .about-section p {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Classe aplicada pelo JS */
.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}