/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    position: relative;
}

.logo {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
    z-index: 1001;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
  height: 60px; /* Logonun yüksekliği */
  width: auto;  /* Oranı koru */
  margin-right: 10px;
}



.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-menu li a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(17,24,39,1), rgba(17,24,39,0.7)),
              url('arka.png');
  background-size: cover;
  background-position: center
    
    color: white;
    text-align: center;
    padding: 20rem 2rem 8rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="g" cx="50%" cy="50%" r="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1);stop-opacity:1" /><stop offset="100%" style="stop-color:rgba(255,255,255,0);stop-opacity:0" /></radialGradient></defs><circle cx="50" cy="50" r="50" fill="url(%23g)" /></svg>') center/200px;
    opacity: 0.1;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    color: #ffffff; /* Beyaz */
}


.hero p {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: #ffffff; /* Beyaz */
}

.cta-button {
    background: white;
    color: #000;
    padding: 1.2rem 3rem;
    border: none;
    margin: 15px 15px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4);
    background: #f8fafc;
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.8rem;
    color: #000;
    margin-bottom: 4rem;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.15);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #000;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #000000, #2b2b2b);
    color: white;
    text-align: center;
    padding: 6rem 2rem;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: #000;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    color: #94a3b8;
}

.social-links a {
    color: #94a3b8;
    text-decoration: none;
    margin-right: 1rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 2rem 0;
    gap: 0;
    height: calc(100vh - 80px);
    overflow-y: auto;
    border-top: 
}

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 0;
        width: 100%;
    }

    .nav-menu li a {
        padding: 1rem 2rem;
        display: block;
        font-size: 1.2rem;
        border-radius: 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu li a:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: none;
    }

    /* Hero Section Mobil Düzenleme */
    .hero {
        padding: 15rem 2rem 6rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.4rem;
    }
    
    .logo-placeholder {
        width: 35px;
        height: 35px;
    }
    
    .hero {
        padding: 15rem 1rem 4rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        top: 70px;
        height: calc(100vh - 70px);
    }
}