:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-color: #B9F80B;
    --secondary-bg: #1e293b;
    --border-color: #334155;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Navigation */
header {
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

/* Logonuzu eklemek için burayı kullanacağız */
.logo-img {
    height: 40px; /* Logonuzun boyutuna göre ayarlayabilirsiniz */
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-color);
}

.logo-text span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover, nav a.active {
    color: var(--primary-color);
}

/* Main Content */
main {
    flex: 1;
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; color: var(--primary-color); }
p { font-size: 1.1rem; color: #cbd5e1; margin-bottom: 1rem; }

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background-color: var(--secondary-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background-color: var(--primary-color);
    color: var(--bg-color);
}

.badge.dev {
    background-color: #64748b;
    color: white;
}

/* Forms & Contact */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

input, textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: white;
}

button {
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--bg-color);
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.3s;
}

button:hover { opacity: 0.8; }

/* Footer */
footer {
    text-align: center;
    padding: 2rem 5%;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    color: #64748b;
    font-size: 0.9rem;
}

footer p { font-size: 0.9rem; margin-bottom: 0.5rem; }