:root {
    --primary-color: #ff6b00; /* Vibrant orange */
    --primary-hover: #e55a00;
    --dark-bg: #121212;
    --card-bg: #1e1e1e;
    --text-main: #f0f0f0;
    --text-muted: #aaaaaa;
    --border-color: #333333;
}

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

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

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

h1, h2, h3 {
    font-weight: 800;
}

span {
    color: var(--primary-color);
}

/* Header & Nav */
header {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

.cta-button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid var(--text-main);
}

.cta-button.secondary:hover {
    background-color: var(--text-main);
    color: var(--dark-bg);
}

.cta-button.whatsapp {
    background-color: #25D366;
}
.cta-button.whatsapp:hover {
    background-color: #1ebe57;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    height: 100vh;
    background-image: url('assets/hero_metal_warehouse.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.7) 40%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-content h2 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

/* Sobre */
#sobre {
    display: flex;
    align-items: center;
    gap: 50px;
}

.sobre-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.sobre-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.features-list {
    list-style: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}
.features-list li {
    margin-bottom: 10px;
}

/* Produtos */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.produto-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}

.produto-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: var(--primary-color);
}

.card-img {
    height: 250px;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.produto-card:hover .card-img img {
    transform: scale(1.05);
}

.card-info {
    padding: 25px;
}

.card-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.card-info p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-link:hover span {
    transform: translateX(5px);
    transition: transform 0.3s;
}

/* Contato */
#contato {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.contato-wrapper {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contato-wrapper h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contato-wrapper p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.contact-details {
    background-color: var(--dark-bg);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.contact-details p {
    margin-bottom: 15px;
    color: var(--text-main);
    font-size: 1.1rem;
}
.contact-details p:last-child {
    margin-bottom: 0;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

footer p {
    color: var(--text-muted);
}

/* Responsiveness */
@media (max-width: 768px) {
    .nav-cta, nav ul {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }

    nav.active ul {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        gap: 15px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
}