/* --- Global Stiller --- */
:root {
    --primary-color: #1a252f;    /* Koyu Mavi - Kurumsal */
    --secondary-color: #2c3e50;
    --accent-color: #3498db;     /* Açık Mavi - Vurgu */
    --text-color: #333;
    --light-text-color: #7f8c8d;
    --bg-color: #f4f7f6;
    --sidebar-bg: #fff;
    --card-bg: #fff;
}

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

body {
    font-family: 'Inter', sans-serif; 
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 20px;
}

/* --- Ana Düzen (Grid) --- */
.main-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 320px 1fr; 
    gap: 30px;
    background-color: transparent;
}

/* --- Sol Sidebar Stilleri --- */
.sidebar {
    background-color: var(--sidebar-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    margin-bottom: 5px;
}

.title {
    font-size: 1rem;
    color: var(--accent-color);
    font-weight: 500;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.contact-item a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--accent-color);
}

.sidebar h2 {
    font-size: 1.2rem;
    color: var(--primary-color);
    border-bottom: 2px solid #eee;
    padding-bottom: 8px;
    margin-bottom: 15px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    background-color: #ecf0f1;
    color: var(--secondary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.skill-beginner {
    background-color: transparent;
    color: var(--light-text-color);
    font-weight: 400;
    padding-left: 0;
}

.language-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.lang-level {
    font-weight: 700;
    color: var(--accent-color);
}

/* --- Sağ İçerik Alanı --- */
.content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.content section {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.bio p {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* --- Timeline (Eğitim ve Deneyim) Stilleri --- */
.timeline-item {
    display: flex;
    gap: 15px;
    position: relative;
    padding-bottom: 20px;
}

.timeline-marker {
    width: 12px;
    height: 12px;
    background-color: var(--accent-color);
    border-radius: 50%;
    margin-top: 8px;
    z-index: 2;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 20px;
    width: 2px;
    height: 100%;
    background-color: #eee;
    z-index: 1;
}

.timeline-content h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.sub-title {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.95rem;
}

.date {
    color: var(--light-text-color);
    font-size: 0.85rem;
    font-style: italic;
    margin-bottom: 8px;
}

.description {
    color: var(--secondary-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Responsive Tasarım (Mobil) --- */
@media (max-width: 768px) {
    .main-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        padding: 30px;
    }
}