:root {
    --dark-navy: #0a192f;
    --light-navy: #112240;
    --lightest-navy: #233554;
    --slate: #8892b0;
    --light-slate: #a8b2d1;
    --lightest-slate: #ccd6f6;
    --green: #64ffda;
    --font-sans: 'Space Mono', monospace;
    --font-rocker: 'Metal Mania', cursive;
}

body {
    font-family: var(--font-sans);
    background-color: var(--dark-navy);
    color: var(--slate);
    animation: fadeIn 1s ease-in-out;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.main-container {
    background-color: transparent; /* Container is just for layout */
}

header h1 {
    font-family: var(--font-rocker);
    color: var(--lightest-slate);
    text-shadow: 0 0 10px var(--green), 0 0 20px var(--green), 0 0 2px #000;
    letter-spacing: 5px;
    font-weight: normal;
    text-transform: uppercase;
}

.subtitle-text {
    color: var(--green);
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.section-title {
    color: var(--lightest-slate);
    border-bottom: 2px solid var(--green);
    display: inline-block;
    padding-bottom: 10px;
}

.skill-card {
    background-color: var(--light-navy);
    border: 1px solid var(--lightest-navy);
    border-radius: 8px;
    padding: 2rem;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.skill-card h3 {
    color: var(--green);
    font-weight: 700;
    margin-bottom: 0; /* Remove default margin */
}

.skill-card-title {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.skill-card-title i {
    color: var(--green);
    font-size: 1.5rem;
    margin-right: 1rem;
}

.skill-badge {
    background-color: var(--dark-navy);
    color: var(--light-slate);
    padding: 0.5em 1em;
    border-radius: 4px;
    font-size: 0.9rem;
    border: 1px solid var(--lightest-navy);
}

footer {
    color: var(--slate);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* Contact Section */
.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--light-slate);
    text-decoration: none;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--lightest-navy);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--green);
    background-color: var(--light-navy);
    border-color: var(--green);
    transform: translateY(-3px);
}

.contact-link i {
    margin-right: 0.5rem;
}