:root {
    --industrial-dark: #2d2d2d;
    --metal-accent: #4a4a4a;
    --highlight-orange: #ff6b35;
    --text-primary: #e8e8e8;
    --text-secondary: #b3b3b3;
    --gutter-width: 2rem;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    background-color: var(--industrial-dark);
    color: var(--text-primary);
}

.industrial-header {
    background: linear-gradient(to right, var(--metal-accent), var(--industrial-dark));
    padding: 4rem 0;
    border-bottom: 3px solid var(--highlight-orange);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--gutter-width);
    text-align: center;
}

.header-content h1 {
    font-size: 3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-top: 1rem;
}

.main-nav {
    background-color: var(--metal-accent);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 3rem;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--highlight-orange);
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 var(--gutter-width);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.info-card {
    background: var(--metal-accent);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--highlight-orange);
}

.info-content p {
    margin: 1rem 0;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.timeline-section {
    margin: 4rem 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--highlight-orange);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 1.5rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-date {
    color: var(--highlight-orange);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.experience-grid {
    display: grid;
    gap: 2rem;
    margin: 3rem 0;
}

.experience-card {
    background: var(--metal-accent);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--highlight-orange);
}

.experience-item {
    margin: 2rem 0;
}

.contact-section {
    margin: 4rem 0;
    text-align: center;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2rem;
    background: var(--metal-accent);
    border-radius: 8px;
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateY(-3px);
}

.contact-item a {
    color: var(--text-primary);
    text-decoration: none;
}

@media (max-width: 768px) {
    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 40px;
        text-align: left !important;
    }
}