.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding: 1rem;
}

.grid-item {
    background: rgba(17, 34, 64, 0.5);
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-5px);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.section-header i {
    font-size: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--accent-color);
}

.timeline-item:after {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 0.5rem;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.timeline-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Course Modules */
.course-modules {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.module-tag {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    border: 1px solid var(--accent-color);
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(100, 255, 218, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

.skill-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.skill-item span {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Hobby Content */
.hobby-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hobby-content p {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.hobby-content i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .grid-item {
        padding: 1.5rem;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .course-modules {
        justify-content: center;
    }
}