:root {
    --bg-color: #0a0a0a;
    --text-color: #e0e0e0;
    --accent-color: #00ff41; /* Terminal green accent */
    --secondary-bg: #1a1a1a;
    --font-family: 'URW Gothic Demi', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(10, 10, 10, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.8rem; /* Base size for the branding area */
}

.logo img {
    height: 1.2em; /* Height relative to the branding font size */
    width: auto;
}

.brand-name {
    font-size: 1em; /* Matches the base size of the .logo container */
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    line-height: 1;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.hero {
    padding: 100px 5%;
    text-align: center;
    background: radial-gradient(circle at center, #1a1a1a 0%, #0a0a0a 100%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.hero p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: #ccc;
}

.section {
    padding: 80px 5%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
}

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

/* Products & Services Lists - No Cards */
.item-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.item {
    border-left: 3px solid var(--accent-color);
    padding-left: 1.5rem;
}

.item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.item p {
    color: #bbb;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: #000;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    margin-top: 2rem;
    transition: transform 0.2s, background-color 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    background-color: #00cc33;
}

footer {
    padding: 40px 5%;
    background-color: var(--secondary-bg);
    text-align: center;
    border-top: 1px solid #333;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--secondary-bg);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid #333;
    text-align: left; /* Ensure labels and inputs align to the left */
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    display: block;
    width: 100%;
    box-sizing: border-box; /* Explicit box-sizing for inputs */
    margin: 0; /* Reset default margins */
    padding: 0.8rem;
    background-color: var(--bg-color);
    border: 1px solid #444;
    color: #fff;
    font-family: var(--font-family);
    border-radius: 4px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .cta-button {
    margin-top: 0;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-cancelar {
    padding: 1rem 2rem;
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid #555;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    font-size: 1rem;
}

.btn-cancelar:hover {
    background-color: #333;
    color: #fff;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav ul { display: none; } /* Mobile menu simplified for proto */
}