/* --- DEĞİŞKENLER --- */
:root {
    --primary: #00d2ff;
    --secondary: #3a7bd5;
    --dark-bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text: #e2e8f0;
    --navbar-bg: rgba(15, 23, 42, 0.95);
}

/* --- TEMEL AYARLAR --- */
body {
    margin: 0;
    padding: 0;
    font-family: 'Lato', sans-serif;
    background-color: var(--dark-bg);
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.05) 0%, transparent 20%);
    color: var(--text);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; padding: 0; margin: 0; }

/* --- NAVBAR --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10%;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 80%;
    top: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.brand {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-list { display: flex; }
.nav-list li { margin-left: 30px; }
.nav-list a { font-size: 0.95rem; opacity: 0.8; }
.nav-list a:hover { opacity: 1; color: var(--primary); }

/* Mobil Menü İkonu (Normalde gizli) */
.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; }

/* --- HERO --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    font-family: 'Cinzel', serif;
    font-size: 3.5rem;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero span { color: var(--primary); }
.hero p { font-size: 1.2rem; color: #94a3b8; max-width: 600px; margin-bottom: 30px; }

.cta-btn {
    padding: 12px 35px;
    border: 2px solid var(--primary);
    border-radius: 50px;
    color: var(--primary);
    font-weight: bold;
    letter-spacing: 1px;
    display: inline-block;
}

.cta-btn:hover {
    background: var(--primary);
    color: var(--dark-bg);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
    transform: translateY(-3px);
}

.btn-transparent { border-color: #fff; color: #fff; }
.btn-transparent:hover { background: #fff; box-shadow: 0 0 20px rgba(255,255,255,0.4); }

/* --- SECTION & CARDS --- */
.section { padding: 80px 10%; }
.section-title {
    font-family: 'Cinzel', serif;
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: 0.4s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.icon-box { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.card h3 { margin: 0 0 10px 0; font-size: 1.3rem; }
.card p { color: #94a3b8; font-size: 0.95rem; line-height: 1.6; }

/* --- SHOWCASE --- */
.showcase {
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6)), url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=1964&auto=format&fit=crop');
    background-size: cover;
    background-attachment: fixed;
    padding: 100px 10%;
    text-align: center;
    border-radius: 20px;
    margin: 50px 5%;
}

.showcase p { color: #ccc; max-width: 600px; margin: 20px auto; }

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: #64748b;
    font-size: 0.9rem;
}
.copyright { margin-top: 10px; opacity: 0.5; }

/* --- MOBİL UYUMLULUK --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav { width: 90%; padding: 15px 5%; }
    
    .menu-toggle { display: block; }
    
    .nav-list {
        display: none; /* Mobilde menü gizlensin */
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 0;
        background: var(--dark-bg);
        width: 100%;
        text-align: center;
        padding: 20px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-list.active { display: flex; }
    .nav-list li { margin: 15px 0; }
}