:root {
    --primary: #2dd4bf;
    --bg-dark: #0f172a;
    --text-light: #e2e8f0;
    --text-dark: #1e293b;
    --nav-height: 70px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

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

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

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(to bottom, var(--bg-dark), #1e293b);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary), #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeIn 1s ease-out;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeIn 1s ease-out 0.2s backwards;
}

/* Ana Sayfa Blog Kartları */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary);
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.post-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.post-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.post-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.post-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.post-card a:hover {
    opacity: 0.8;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    margin-top: 2rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 0 1rem;
    }
    
    nav ul {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-dark);
        padding: 1rem;
        flex-direction: column;
        align-items: center;
        transform: translateY(-100%);
        transition: transform 0.3s;
    }

    nav ul.active {
        transform: translateY(0);
    }
    
    .container {
        padding: 2rem 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

/* Page Header */
.page-header {
    background: linear-gradient(to bottom, var(--bg-dark), #1e293b);
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 4rem;
}

.header-content {
    max-width: 800px;
    animation: fadeIn 1s ease-out;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary), #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-header p {
    font-size: 1.25rem;
    color: #94a3b8;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .page-header {
        min-height: 30vh;
        padding: 4rem 1rem 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
}