:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --accent-color: #58a6ff;
    --secondary-color: #6e7681;
    --card-bg: #161b22;
    --border-color: #30363d;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    line-height: 1.6;
    padding: 2rem;
    box-sizing: border-box;
}

.container {
    max-width: 700px;
    width: 100%;
    padding: 2.5rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    text-align: center;
}

/* Header */
header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 2.8rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.role {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.greeting {
    font-size: 1rem;
    color: #8b949e;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content */
main {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

#skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-category-container {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.skill-category-container h4 {
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.skill-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
    border-radius: 6px;
    padding: 0.8rem 0;
    transition: background-color 0.2s ease;
}

.skill-card:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-card:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.skill-card .name {
    font-size: 1rem;
    font-weight: 500;
}

.skill-card .experience {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* Footer & Social Links */
footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-links a {
    transition: transform 0.2s ease;
}

.social-links a:hover {
    transform: scale(1.1);
}

.social-icon {
    width: 32px;
    height: 32px;
}

footer p {
    font-size: 0.8rem;
    color: var(--secondary-color);
}

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

.fade-in {
    animation: fadeIn 1s ease-in-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in-out 0.5s forwards;
    opacity: 0;
}