/* Genel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: #0f172a;
    color: #f8fafc;
    line-height: 1.6;
}

span {
    color: #38bdf8;
}

/* Üst Menü */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background-color: #1e293b;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #334155;
}

.navbar .logo {
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar .logo i {
    color: #38bdf8;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #38bdf8;
}

/* Giriş Alanı (Hero) */
.hero-section {
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    padding: 0 20px;
    border-bottom: 1px solid #334155;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero-content p {
    font-size: 18px;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #38bdf8;
    color: #0f172a;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    transition: transform 0.2s, background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #0ea5e9;
    transform: translateY(-2px);
}

/* Bölüm Genel Tasarımları */
section {
    padding: 80px 8%;
    text-align: center;
}

section h2 {
    font-size: 36px;
    margin-bottom: 20px;
    position: relative;
}

section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #38bdf8;
    margin: 10px auto 0 auto;
    border-radius: 2px;
}

/* Hakkımızda */
.about-section p {
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #94a3b8;
    font-size: 17px;
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.feat-box {
    background-color: #1e293b;
    padding: 30px;
    border-radius: 10px;
    width: 320px;
    border: 1px solid #334155;
}

.feat-box i {
    font-size: 40px;
    color: #38bdf8;
    margin-bottom: 15px;
}

.feat-box h3 {
    margin-bottom: 10px;
}

.feat-box p {
    font-size: 14px;
    color: #94a3b8;
    margin: 0;
}

/* Projeler */
.projects-section {
    background-color: #0b1329;
}

.project-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.project-card {
    background-color: #1e293b;
    border-radius: 12px;
    overflow: hidden;
    width: 350px;
    padding: 25px;
    text-align: left;
    border: 1px solid #334155;
    position: relative;
}

.proj-img {
    height: 100px;
    background-color: #0f172a;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #38bdf8;
    margin-bottom: 20px;
}

.project-card h3 {
    margin-bottom: 10px;
}

.project-card p {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 20px;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    background-color: #1e1b4b;
    color: #818cf8;
    font-size: 12px;
    font-weight: bold;
    border-radius: 20px;
    border: 1px solid #4338ca;
}

/* İletişim */
.contact-container {
    max-width: 600px;
    margin: 40px auto 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px;
    background-color: #1e293b;
    border: 1px solid #334155;
    color: #fff;
    border-radius: 6px;
    font-size: 15px;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: #38bdf8;
}

/* Footer */
footer {
    background-color: #0f172a;
    padding: 30px;
    border-top: 1px solid #334155;
    color: #64748b;
    font-size: 14px;
}

/* Mobil Uyum */
@media (max-width: 768px) {
    .navbar { padding: 20px 5%; }
    .nav-links { display: none; }
    .hero-content h1 { font-size: 32px; }
}