/* Sayfa Genel Ayarları */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0f172a; /* Koyu Lacivert Arka Plan */
    color: #e2e8f0; /* Açık Gri Yazı */
}

/* Üst Menü */
header {
    background-color: rgba(30, 41, 59, 0.95);
    border-bottom: 1px solid #334155;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
}

.highlight {
    color: #38bdf8; /* Neon Mavi */
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

nav a:hover {
    color: #38bdf8;
}

/* Büyük Başlık Alanı (Hero) */
.hero {
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
    padding: 80px 20px;
    text-align: center;
    border-bottom: 1px solid #334155;
}

.hero h1 {
    font-size: 2.5rem;
    color: #38bdf8;
    margin-bottom: 15px;
}

.hero p {
    color: #94a3b8;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Kartların Dizildiği Alan */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 40px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding-bottom: 60px;
}

/* Tekil Kart Tasarımı */
.card {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #38bdf8;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.category {
    font-size: 0.75rem;
    font-weight: bold;
    color: #c084fc; /* Neon Mor */
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}

.card h2 {
    margin: 10px 0;
    font-size: 1.4rem;
    color: white;
}

.card p {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.5;
}

.read-more {
    color: #38bdf8;
    font-size: 0.9rem;
    margin-top: 15px;
    display: block;
    font-weight: bold;
}

/* Açılır Pencere (Modal) */
.modal {
    display: none; /* Başlangıçta gizli */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #1e293b;
    border: 1px solid #334155;
    padding: 40px;
    border-radius: 16px;
    width: 90%;
    max-width: 700px;
    position: relative;
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    color: #64748b;
    cursor: pointer;
}

.close-btn:hover {
    color: #ef4444; /* Kırmızı */
}

.modal-tag {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid #38bdf8;
}

#modal-baslik {
    font-size: 2rem;
    margin: 20px 0;
    color: white;
}

#modal-metin {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #cbd5e1;
}

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