:root {
            /* Kartlar - Siyah Cam Efekti */
            --card-bg: rgba(10, 10, 10, 0.7); 
            --card-border: 1px solid rgba(255, 255, 255, 0.08);
            
            /* Metin Renkleri */
            --text-color: #a0a0a0;       /* Gri Metin (Göz yormaz) */
            --heading-color: #ffffff;    /* Beyaz Başlıklar (Yüksek Kontrast) */
            
            /* Neon Vurgular (Cyber-Noir) */
            --accent-color: #00f3ff;     /* Elektrik Mavisi */
            --secondary-accent: #bc13fe; /* Neon Mor */
            --glow-shadow: 0 0 15px rgba(0, 243, 255, 0.4); /* Parıltı Efekti */
            
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            
            /* -- HAFİF GEÇİŞLİ ANIMASYONLU ARKA PLAN -- */
            background: linear-gradient(-45deg, #000000, #131313, #1f1f1f, #050505);
            background-size: 400% 400%;
            animation: gradientBG 20s ease infinite; /* Çok yavaş, sakin geçiş */
            
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* Animasyon Keyframes */
        @keyframes gradientBG {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        /* Özel Scrollbar (Karanlık Mod) */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: #000; }
        ::-webkit-scrollbar-thumb { 
            background: #333; 
            border-radius: 4px; 
            border: 1px solid #000;
        }
        ::-webkit-scrollbar-thumb:hover { background: var(--accent-color); }

        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }

        /* Canvas Arka Plan */
        #canvas1 {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            z-index: -1; opacity: 0.4; pointer-events: none;
        }

        /* Navbar */
        header {
            position: fixed;
            top: 0; width: 100%;
            background: rgba(0, 0, 0, 0.85); /* Daha koyu transparan */
            backdrop-filter: blur(15px);
            z-index: 1000;
            padding: 1.2rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }
        .logo span { color: var(--accent-color); text-shadow: var(--glow-shadow); }

        .nav-links { display: flex; gap: 2rem; }
        .nav-links a { 
            font-weight: 500; 
            color: #888; 
            position: relative;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .nav-links a:hover, .nav-links a.active { color: #fff; text-shadow: 0 0 10px rgba(255,255,255,0.5); }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0; bottom: -5px; width: 100%; height: 2px;
            background: var(--accent-color);
            box-shadow: var(--glow-shadow);
        }

        /* * ==========================================
         * YETENEKLER SAYFASI ÖZEL CSS
         * ==========================================
         */
        footer {
            background: #050505;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 5%;
            margin-top: auto;
            position: relative;
            z-index: 2;
        }

        .footer-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-left h3 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .footer-left p {
            color: #666;
            font-size: 0.85rem;
        }

        .footer-center ul {
            display: flex;
            gap: 1.5rem;
        }

        .footer-center a {
            color: #999;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .footer-right {
            display: flex;
            gap: 1rem;
        }

        .footer-social-btn {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-social-btn:hover {
            background: var(--accent-color);
            color: #000;
            transform: translateY(-3px);
            box-shadow: 0 0 15px var(--accent-color);
        }
        .page-header {
            padding: 10rem 5% 4rem;
            text-align: center;
        }

        .page-title {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: var(--heading-color);
            font-weight: 700;
            letter-spacing: -1px;
        }
        
        .page-title span { 
            background: linear-gradient(to right, var(--accent-color), var(--secondary-accent));
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
            /* Hafif glow efekti */
            filter: drop-shadow(0 0 5px rgba(0, 243, 255, 0.3));
        }

        .content-wrapper {
            max-width: 1100px;
            margin: 0 auto;
            padding: 2rem 5%;
        }

        /* Kategori Başlıkları */
        .category-title {
            font-size: 1.5rem;
            color: var(--heading-color);
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .category-title i { 
            color: var(--accent-color); 
            filter: drop-shadow(0 0 8px var(--accent-color));
        }
        
        .category-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: linear-gradient(to right, rgba(255,255,255,0.2), transparent);
        }

        /* Grid Yapısı */
        .skills-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 5rem;
            margin-bottom: 5rem;
        }

        /* Web Geliştirme (Progress Bars) */
        .skill-bar-wrapper {
            margin-bottom: 2rem;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-weight: 600;
            color: #ccc;
            font-size: 0.95rem;
        }

        .progress-bg {
            width: 100%;
            height: 8px;
            background: #111; /* Çok koyu gri */
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #222;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-color), var(--secondary-accent));
            border-radius: 10px;
            width: 0%; 
            position: relative;
            /* Neon Glow Efekti */
            box-shadow: 0 0 10px var(--accent-color);
            transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        /* Dolum çizgisine ekstra parlaklık */
        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0; right: 0; bottom: 0; left: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transform: skewX(-20deg) translateX(-150%);
            animation: shimmer 2s infinite;
        }
        
        @keyframes shimmer {
            100% { transform: skewX(-20deg) translateX(200%); }
        }

        /* Tasarım Kartları (Dark Glass Style) */
        .design-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 1.5rem;
        }

        .design-card {
            background: var(--card-bg);
            border: var(--card-border);
            padding: 2rem 1rem;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        /* Kart Hover Efekti */
        .design-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 100%);
            z-index: 1;
        }

        .design-card:hover {
            transform: translateY(-7px);
            border-color: var(--accent-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px rgba(0, 243, 255, 0.1);
        }

        .design-card i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #fff;
            position: relative;
            z-index: 2;
            transition: var(--transition);
        }
        
        .design-card:hover i {
            color: var(--accent-color);
            transform: scale(1.1);
            text-shadow: 0 0 10px var(--accent-color);
        }

        .design-card h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
            position: relative; z-index: 2;
        }
        
        .design-card small {
            color: #666;
            position: relative; z-index: 2;
        }

        /* Araçlar (Tag Style) */
        .tools-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .tool-tag {
            background: #0a0a0a;
            color: #888;
            padding: 0.6rem 1.4rem;
            border-radius: 4px; /* Daha keskin köşe */
            font-size: 0.85rem;
            border: 1px solid #222;
            transition: var(--transition);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .tool-tag:hover {
            border-color: var(--secondary-accent);
            color: #fff;
            box-shadow: 0 0 10px rgba(188, 19, 254, 0.3);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .page-title { font-size: 2.5rem; }
            .nav-links { display: none; }
            .skills-container { grid-template-columns: 1fr; gap: 4rem; }
            .page-header { padding-top: 8rem; }
        }

        /* Scroll Reveal Animasyonu */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
          /* Navbar Layout and Language Switcher Styles (Imported from other pages) */

        /* Desktop Layout (Logo - Lang - Menu) */
        @media (min-width: 769px) {
            header {
                justify-content: flex-start !important; /* Align start */
                gap: 30px; /* Gap between Logo and Lang Switcher */
                display: flex;
                align-items: center;
                padding: 20px 50px; /* Assuming standard padding */
            }

            nav {
                margin-left: auto !important; /* Push Menu to the RIGHT */
            }
            
            .logo {
                margin-right: 0 !important;
            }
        }

        /* Language Switcher Container - Glassmorphism Theme */
        .lang-container {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 4px 6px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            backdrop-filter: blur(5px);
        }
        
        .separator {
            display: none;
        }
        
        .lang-switch {
            text-decoration: none;
            font-family: 'Poppins', sans-serif;
            font-weight: 500;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: none;
            color: #aaa; /* Passive color */
            transition: all 0.3s ease;
            background: transparent;
        }
        
        /* Active Language Button (Fill Color and Glow) - PURPLE THEME */
        .lang-switch.active-lang {
            color: #fff;
            background: #bc13fe; /* NEON PURPLE */
            border-color: #bc13fe;
            box-shadow: 0 0 15px rgba(188, 19, 254, 0.5); /* Purple Glow */
            font-weight: 600;
        }
        
        .lang-switch:hover:not(.active-lang) {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* Mobile Layout */
        @media (max-width: 768px) {
            header {
                gap: 10px;
                padding: 20px;
            }
            
            .logo {
                font-size: 1.1rem;
                flex: 1;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .lang-container {
                margin-right: 5px;
                padding: 3px;
            }

            .lang-switch {
                padding: 4px 10px;
                font-size: 0.75rem;
            }
        }
        /* Mobil Uyumluluk ve Menü Tasarımı */
@media (max-width: 768px) {
    
    /* Header Düzeni */
    header {
        padding: 1rem 5%;
    }

    /* Logo Boyutu */
    .logo {
        font-size: 1.2rem;
        z-index: 1001; /* Menü açılınca üstte kalsın */
    }

    /* Hamburger Butonu */
    .menu-toggle {
        display: block;
        cursor: pointer;
        font-size: 1.5rem;
        color: #fff;
        z-index: 1002; /* En üstte kalsın */
    }

    /* Mobil Menü Kutusu */
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh; /* Tam ekran boyu */
        width: 70%; /* Ekranın %70'ini kaplasın */
        background: rgba(5, 5, 5, 0.98); /* Koyu arka plan */
        backdrop-filter: blur(10px); /* Buzlu cam efekti */
        
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        
        /* Animasyon (Gizli Durum) */
        transform: translateX(100%); /* Ekran dışına it */
        transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
        
        /* Sol tarafa neon çizgi */
        border-left: 1px solid var(--accent-color);
        box-shadow: -10px 0 40px rgba(0,0,0,0.8);
    }

    /* Menü Açıldığında (JS bu class'ı ekleyecek) */
    .nav-links.active {
        transform: translateX(0); /* Ekrana getir */
    }

    /* Mobilde Linkler */
    .nav-links a {
        font-size: 1.2rem;
        opacity: 0; /* Animasyon için gizle */
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    /* Menü açılınca linkler sırayla gelsin */
    .nav-links.active a {
        opacity: 1;
        transform: translateY(0);
        transition-delay: 0.2s;
    }

    /* Mobilde diğer öğeler */
    .page-title { font-size: 2.2rem; }
    .page-header { padding-top: 8rem; }
    
    /* Grid yapısını tek sütuna düşür */
    .skills-container { 
        grid-template-columns: 1fr; 
        gap: 3rem; 
    }
}
 /* ==========================================
         * MODERN CHATBOT STYLES (SVG ICONS)
         * ==========================================
         */
        
        /* Toggler Button */
        .chatbot-toggler {
            position: fixed;
            bottom: 30px;
            right: 35px;
            outline: none;
            border: none;
            height: 60px;
            width: 60px;
            display: flex;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-accent));
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            z-index: 10000;
            box-shadow: 0 0 25px rgba(0, 243, 255, 0.5);
        }
        
        .chatbot-toggler:hover {
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 0 35px rgba(188, 19, 254, 0.7);
        }

        /* SVG Icon Styles in Toggler */
        .chatbot-toggler svg {
            width: 28px;
            height: 28px;
            fill: #fff;
            position: absolute;
            transition: all 0.3s ease;
        }

        .chatbot-toggler svg:last-child {
            opacity: 0;
            transform: rotate(90deg) scale(0.5);
        }
        
        /* Toggler Active State */
        body.show-chatbot .chatbot-toggler svg:first-child {
            opacity: 0;
            transform: rotate(-90deg) scale(0.5);
        }

        body.show-chatbot .chatbot-toggler svg:last-child {
            opacity: 1;
            transform: rotate(0deg) scale(1);
        }

        /* Chat Penceresi */
        .chatbot {
            position: fixed;
            right: 35px;
            bottom: 100px;
            width: 380px;
            background: rgba(15, 15, 15, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            overflow: hidden;
            opacity: 0;
            pointer-events: none;
            transform: scale(0.5);
            transform-origin: bottom right;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 10px 40px rgba(0,0,0,0.6);
            z-index: 9999;
        }

        body.show-chatbot .chatbot {
            opacity: 1;
            pointer-events: auto;
            transform: scale(1);
        }

        /* Header */
        .chatbot header {
            padding: 15px 20px;
            background: rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chatbot header h2 {
            font-size: 1rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .chatbot header h2 svg {
            width: 22px; height: 22px;
            fill: var(--accent-color);
            filter: drop-shadow(0 0 5px var(--accent-color));
        }

        .chatbot header .close-btn {
            cursor: pointer;
            transition: 0.3s;
            display: flex;
            align-items: center;
        }
        
        .chatbot header .close-btn svg {
            width: 20px; height: 20px;
            fill: #ccc;
        }
        .chatbot header .close-btn:hover svg { fill: #fff; }

        /* Mesaj Alanı */
        .chatbox {
            overflow-y: auto;
            height: 350px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .chatbox::-webkit-scrollbar { width: 5px; }
        .chatbox::-webkit-scrollbar-track { background: transparent; }
        .chatbox::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }

        .chat { display: flex; list-style: none; }
        
        /* Incoming Mesaj İkonu (Robot) */
        .chat.incoming .chat-icon {
            width: 35px; height: 35px;
            background: linear-gradient(135deg, var(--accent-color), var(--secondary-accent));
            color: #fff;
            align-self: flex-end;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            margin-right: 10px;
            box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
            flex-shrink: 0;
        }
        
        .chat.incoming .chat-icon svg {
            width: 20px; height: 20px;
            fill: #fff;
        }

        .chat p {
            max-width: 75%;
            font-size: 0.9rem;
            padding: 12px 16px;
            border-radius: 15px 15px 15px 0;
            white-space: pre-wrap;
            line-height: 1.4;
        }

        .chat.incoming p {
            background: rgba(255, 255, 255, 0.08);
            color: #eee;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .chat.outgoing { justify-content: flex-end; }
        
        .chat.outgoing p {
            background: linear-gradient(135deg, var(--secondary-accent), #8a00d4);
            color: #fff;
            border-radius: 15px 15px 0 15px;
            box-shadow: 0 5px 15px rgba(188, 19, 254, 0.3);
        }

        /* Hızlı Cevap Chipleri */
        .quick-replies {
            display: flex;
            gap: 8px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .chip {
            font-size: 0.75rem;
            padding: 6px 14px;
            background: rgba(0, 243, 255, 0.05);
            border: 1px solid rgba(0, 243, 255, 0.3);
            color: var(--accent-color);
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .chip:hover {
            background: var(--accent-color);
            color: #000;
            box-shadow: 0 0 15px var(--accent-color);
        }

        /* Input Alanı */
        .chat-input {
            display: flex;
            gap: 5px;
            align-items: center;
            padding: 10px 20px 20px;
            background: transparent;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .chat-input textarea {
            height: 45px;
            width: 100%;
            border: none;
            outline: none;
            resize: none;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 25px;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #fff;
            font-family: 'Poppins', sans-serif;
            transition: 0.3s;
        }

        .chat-input textarea:focus {
            background: rgba(255, 255, 255, 0.1);
        }

        .chat-input span {
            color: var(--accent-color);
            font-size: 1.3rem;
            cursor: pointer;
            width: 45px;
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: 0.3s;
            background: rgba(0, 243, 255, 0.05);
        }
        
        .chat-input span svg {
            width: 20px; height: 20px;
            fill: var(--accent-color);
            transition: 0.3s;
        }

        .chat-input span:hover {
            background: var(--accent-color);
        }
        
        .chat-input span:hover svg {
            fill: #000;
        }

        @media (max-width: 490px) {
            .chatbot {
                width: 100%;
                height: 100%;
                right: 0;
                bottom: 0;
                border-radius: 0;
                transform-origin: bottom center;
            }
            .chatbox { height: 80%; }
            .chatbot header { padding: 15px; }
        }