:root {
    --primary-color: #f37021; /* Naranja industrial */
    --secondary-color: #2c3e50; /* Gris oscuro */
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --text-color: #333333;
    --font-main: 'Open Sans', sans-serif;
    --font-title: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Header */
header {
    position: relative;
    z-index: 100;
}

.top-bar {
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

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

.info-item {
    margin-right: 20px;
    display: inline-flex;
    align-items: center;
}

.info-item img {
    height: 16px;
    margin-right: 8px;
    filter: brightness(0) invert(1);
}

.language-switcher {
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 2px 8px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
}

.lang-btn.active, .lang-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.main-nav {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo img {
    height: 60px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: #d65a10;
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
}

/* Sections */
.section {
    padding: 80px 0;
}

.bg-light {
    background: var(--light-bg);
}

.section-header {
    margin-bottom: 30px;
}

.subtitle {
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    display: block;
}

h2 {
    font-family: var(--font-title);
    font-size: 36px;
    color: var(--secondary-color);
}

/* Hero */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../img/heavy-machinery-quarry2.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-family: var(--font-title);
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Images */
.image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Contact Section */
.contact-section {
    background: var(--secondary-color);
    color: var(--white);
}

.contact-section h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.contact-list {
    list-style: none;
    margin-bottom: 30px;
}

.contact-list li {
    margin-bottom: 10px;
}

.footer-logo {
    height: 50px;
    filter: brightness(0) invert(1);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group textarea {
    height: 120px;
}

/* Footer */
footer {
    background: #1a252f;
    color: #bdc3c7;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
}