/* Professional German Industrial Company Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --steel-blue: #2c3e50;
    --dark-steel: #34495e;
    --industrial-gray: #95a5a6;
    --text-gray: #7f8c8d;
    --light-gray: #ecf0f1;
    --white: #ffffff;
    --accent-blue: #3498db;
    --warning-orange: #e67e22;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.4;
    color: #2c3e50;
    background-color: #ffffff;
    font-size: 14px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header - Minimal and Professional */
.navbar {
    background-color: #ffffff;
    border-bottom: 3px solid var(--steel-blue);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo img {
    height: 45px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--steel-blue);
    font-weight: bold;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.nav-link:hover {
    border-bottom-color: var(--accent-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 20px;
    height: 2px;
    background-color: var(--steel-blue);
    margin: 2px 0;
}

/* Typography - Clean and Corporate */
h1 {
    font-size: 28px;
    font-weight: bold;
    color: var(--steel-blue);
    margin-bottom: 15px;
    line-height: 1.2;
}

h2 {
    font-size: 22px;
    font-weight: bold;
    color: var(--steel-blue);
    margin-bottom: 20px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h3 {
    font-size: 16px;
    font-weight: bold;
    color: var(--steel-blue);
    margin-bottom: 10px;
}

h4 {
    font-size: 14px;
    font-weight: bold;
    color: var(--steel-blue);
    margin-bottom: 8px;
}

p {
    color: var(--text-gray);
    margin-bottom: 15px;
    text-align: justify;
}

/* Buttons - Industrial Style */
.btn {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: bold;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid;
    transition: all 0.2s;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--dark-steel);
    border-color: var(--dark-steel);
}

.btn-secondary {
    background-color: transparent;
    color: var(--steel-blue);
    border-color: var(--steel-blue);
}

.btn-secondary:hover {
    background-color: var(--steel-blue);
    color: white;
}

/* Hero Section - Clean Corporate */
.hero {
    padding: 40px 0 60px 0;
    background-color: var(--light-gray);
    border-bottom: 1px solid #bdc3c7;
}

.hero-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-title {
    color: var(--steel-blue);
}

.hero-subtitle {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
}

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

.highlight {
    color: var(--accent-blue);
}

.hero-image img {
    width: 100%;
    border: 1px solid #bdc3c7;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

/* Services Section - Grid Layout */
.services {
    padding: 50px 0;
    background-color: #ffffff;
}

.section-header {
    margin-bottom: 40px;
    text-align: center;
    border-bottom: 2px solid var(--steel-blue);
    padding-bottom: 20px;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.service-card {
    background-color: #ffffff;
    border: 1px solid #bdc3c7;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.service-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.service-icon {
    width: 40px;
    height: 40px;
    background-color: var(--steel-blue);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1);
}

.service-machine {
    color: var(--accent-blue);
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.service-specs {
    list-style: none;
    font-size: 13px;
    color: var(--text-gray);
}

.service-specs li {
    padding: 5px 0;
    border-bottom: 1px solid #ecf0f1;
}

.service-specs li:before {
    content: "• ";
    color: var(--steel-blue);
    font-weight: bold;
}

/* About Section */
.about {
    padding: 50px 0;
    background-color: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 25px;
}

.feature {
    background-color: white;
    padding: 15px;
    border-left: 3px solid var(--accent-blue);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.feature h4 {
    font-size: 13px;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.feature p {
    font-size: 12px;
    margin-bottom: 0;
}

.about-image img {
    width: 100%;
    border: 1px solid #bdc3c7;
}

/* Technology Section */
.technology {
    padding: 50px 0;
    background-color: #ffffff;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 25px;
}

.tech-item {
    background-color: #ffffff;
    border: 1px solid #bdc3c7;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.tech-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.tech-content {
    padding: 20px;
    text-align: center;
}

.tech-content h3 {
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.tech-content p {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    padding: 50px 0;
    background-color: var(--steel-blue);
    color: white;
}

.contact h2,
.contact h3,
.contact h4 {
    color: white;
}

.contact p {
    color: #bdc3c7;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-details {
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(255,255,255,0.05);
}

.contact-icon {
    font-size: 18px;
    margin-top: 2px;
}

.contact-item a {
    color: var(--warning-orange);
    text-decoration: none;
    font-weight: bold;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background-color: rgba(255,255,255,0.08);
    padding: 25px;
    border: 1px solid rgba(255,255,255,0.1);
}

.form-group {
    margin-bottom: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #7f8c8d;
    background-color: rgba(255,255,255,0.9);
    color: var(--steel-blue);
    font-family: inherit;
    font-size: 13px;
}

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

/* Footer */
.footer {
    background-color: #2c3e50;
    color: #bdc3c7;
    padding: 40px 0 20px;
    font-size: 12px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 25px;
}

.footer-section h4 {
    color: white;
    font-size: 13px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

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

.footer-section ul li {
    margin-bottom: 5px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 12px;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-contact p {
    font-size: 12px;
    margin-bottom: 5px;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 15px;
    text-align: center;
    font-size: 11px;
    color: #95a5a6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero,
    .services,
    .about,
    .technology,
    .contact {
        padding: 30px 0;
    }

    h1 {
        font-size: 20px;
    }

    h2 {
        font-size: 16px;
    }
}