/* Temel Değişkenler (Koyu Tema & Keskin Hatlar) */
:root {
    --bg-color: #050505; /* Çok koyu siyah */
    --surface-color: #121212; /* Kartlar ve yüzeyler için hafif açık siyah */
    --surface-hover: #1e1e1e;
    --text-primary: #f2f2f2; /* Okunabilir beyaz */
    --text-secondary: #a0a0a0; /* Gri metinler */
    
    /* Vurgu Rengi: Neon / Elektrik Mavisi */
    --accent-color: #00e5ff;
    --accent-hover: #00b8cc;
    
    --font-sans: 'Outfit', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none; /* Özel cursor için */
}

/* Özel Cursor */
.cursor-dot, .cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}
.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
}
.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-color);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Tipografi */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.accent {
    color: var(--accent-color);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigasyon */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Buton */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid var(--accent-color); /* KESKİN HAT */
    background: transparent;
    color: var(--accent-color);
    cursor: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover {
    color: var(--bg-color);
}

.btn:hover::before {
    left: 0;
}

/* Hero Bölümü */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.subtitle {
    color: var(--accent-color);
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 3px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 80%;
    margin-bottom: 2.5rem;
}

/* Hero Geometrik Şekiller (Keskin Hatlar İçin) */
.hero-graphic {
    position: relative;
    width: 100%;
    height: 400px;
}

.shape {
    position: absolute;
    background: var(--surface-color);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.shape-1 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    transition: transform 0.5s ease;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 60%;
    transform: rotate(15deg);
    border-color: var(--accent-color);
    background: transparent;
    z-index: 2;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 10%;
    left: 10%;
    background: var(--accent-color);
    opacity: 0.1;
    transform: rotate(-20deg);
}

.hero-graphic:hover .shape-1 {
    transform: translate(-50%, -50%) rotate(90deg);
}

/* Makaleler Bölümü */
.articles-section {
    padding: 8rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title::after {
    content: '';
    height: 1px;
    flex: 1;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), transparent);
}

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

/* Makale Kartları (Keskin) */
.article-card {
    background-color: var(--surface-color);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
    z-index: 2;
}

.article-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255,255,255,0.1);
    background-color: var(--surface-hover);
}

.article-card:hover::before {
    width: 100%;
}

.article-image-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.article-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
    filter: grayscale(80%) contrast(120%);
}

.article-card:hover .article-image-wrapper img {
    transform: scale(1.05);
    filter: grayscale(0%) contrast(100%);
}

.article-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--bg-color);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid var(--accent-color);
}

.article-content {
    padding: 2rem;
}

.article-date {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.article-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.article-title a {
    color: var(--text-primary);
}

.article-title a:hover {
    color: var(--accent-color);
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.read-more .arrow {
    transition: transform 0.3s ease;
    color: var(--accent-color);
}

.read-more:hover .arrow {
    transform: translateX(5px);
}

/* Footer */
.footer {
    background-color: var(--surface-color);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    background-color: #000;
    padding: 1.5rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .description {
        margin: 0 auto 2.5rem;
    }
    .hero-graphic {
        display: none;
    }
    .title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobil menü için basit gizleme, istenirse açılır menü eklenebilir */
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    body {
        cursor: auto; /* Mobilde özel cursor'u kapat */
    }
    .cursor-dot, .cursor-outline {
        display: none;
    }
}