/* --- MODERN DEĞİŞKENLER & PALET --- */
:root {
    /* Premium Dark Palette (Koyu Lacivert/Siyah Tonları) */
    --bg-dark: #020617;     /* Ana Arka Plan */
    --card-bg: #0f172a;     /* Kart Arka Planı */
    --text-main: #f8fafc;   /* Ana Metin Rengi (Beyazımsı) */
    --text-muted: #94a3b8;  /* İkincil Metin Rengi (Gri) */
    
    /* Marka Renkleri (Gradient ve Vurgular) */
    --primary-blue: #3b82f6; 
    --primary-indigo: #6366f1;
    --accent-glow: rgba(59, 130, 246, 0.5);
    
    /* Cam Efekti Çizgileri */
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Arka Plan Grid Deseni (Teknoloji Hissi) */
.bg-grid {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a { text-decoration: none; transition: 0.3s ease; }

/* --- GLASS HEADER (ÜST MENÜ) --- */
.glass-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(2, 6, 23, 0.7); /* Yarı saydam */
    backdrop-filter: blur(12px); /* Buzlu cam efekti */
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    /* justify-content: space-between yerine aşağıdakini kullanıyoruz */
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-right: 40px;
}

.dot { color: var(--primary-blue); }

/* MENÜYÜ SAĞA YASLAYAN KOD */
.glass-header nav {
    margin-left: auto; /* Soldaki tüm alanı iter, sağa yapışır */
    margin-right: 30px;
    display: flex;
    gap: 25px;
}

.glass-header nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.glass-header nav a:hover { color: var(--text-main); }

/* --- BUTONLAR --- */
.btn-glow {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-indigo));
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4); /* Glow/Parlama */
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-primary {
    background: white;
    color: var(--bg-dark);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 700;
    display: inline-block;
}

.btn-primary:hover { background: #e2e8f0; }

.btn-text {
    color: var(--text-main);
    font-weight: 600;
    margin-left: 20px;
}

.btn-text:hover { color: var(--primary-blue); }

/* --- HERO BÖLÜMÜ --- */
.hero-section {
    padding: 140px 0 100px;
    text-align: center;
    position: relative;
}

/* Arka plandaki mavi ışık huzmesi */
.hero-section::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
}

.badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-blue);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: inline-block;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 3.5rem; /* Mobilde taşmaması için ayarlandı */
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

/* Gradient Yazı Efekti */
.gradient-text {
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* --- BENTO GRID (HİZMETLER) --- */
.features-section { padding: 80px 0; }

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 { font-size: 2.5rem; margin-bottom: 10px; }
.section-title p { color: var(--text-muted); }

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 Kolonlu yapı */
    gap: 24px;
}

.bento-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* Grid Yerleşimi: Zigzag Efekti */
.large { grid-column: span 2; } /* 2 birim genişlik */
.medium { grid-column: span 2; } /* 2 birim genişlik */

.bento-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-5px);
    background: rgba(15, 23, 42, 0.9);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    background: rgba(255,255,255,0.05);
    width: 60px; height: 60px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px;
}

.bento-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.bento-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- İLETİŞİM FORMU --- */
.contact-section { padding: 80px 0; }

.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 40px;
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
    border: 1px solid var(--glass-border);
    border-radius: 24px;
}

.contact-box h2 { margin-bottom: 10px; }
.contact-box p { color: var(--text-muted); margin-bottom: 30px; }

.glass-form { display: flex; flex-direction: column; gap: 15px; }

.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: 'Plus Jakarta Sans', sans-serif;
    outline: none;
    transition: border 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-blue);
}

.full-width { width: 100%; }

/* --- FOOTER --- */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
    margin-top: 50px;
    background: #020617;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--text-muted);
    margin-left: 24px;
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    color: #475569;
    font-size: 0.8rem;
}

/* --- MOBİL UYUMLULUK (RESPONSIVE) --- */
@media (max-width: 900px) {
    .glass-header nav { display: none; } /* Mobilde menüyü gizle */
    .hero-content h1 { font-size: 2.5rem; }
    
    .bento-grid { grid-template-columns: 1fr; } /* Mobilde tek kolon */
    .large, .medium { grid-column: span 1; }
    
    .contact-box { width: 100%; padding: 20px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
    .footer-links { margin-left: 0; }
    .footer-links a { margin: 0 10px; }
}