/* --- CSS VARIABLES & RESET --- */
	        :root {
	            --bg-color: #020617; /* Slate 950 */
	            --bg-card: #0f172a; /* Slate 900 */
	            --text-main: #e2e8f0; /* Slate 200 */
	            --text-muted: #94a3b8; /* Slate 400 */
	            --primary: #4f46e5; /* Indigo 600 */
	            --primary-hover: #4338ca; /* Indigo 700 */
	            --secondary: #06b6d4; /* Cyan 500 */
	            --border: #1e293b; /* Slate 800 */
	            --border-hover: #334155; /* Slate 700 */
	            --success: #22c55e; /* Green 500 */
	            --container-width: 1200px;
	            --nav-height: 80px;
	            --cursor-dev: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 24 24'%3E%3Cpolyline points='16 18 22 12 16 6' fill='none' stroke='%23e2e8f0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpolyline points='8 6 2 12 8 18' fill='none' stroke='%23e2e8f0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") 15 15, auto;
	        }

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

        html {
            scroll-behavior: smooth;
        }

	        body {
	            font-family: 'Inter', sans-serif;
	            background-color: var(--bg-color);
	            color: var(--text-main);
	            line-height: 1.6;
	            overflow-x: hidden;
	            cursor: var(--cursor-dev);
	        }

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

        ul {
            list-style: none;
        }

	        button {
	            cursor: var(--cursor-dev);
	            border: none;
	            background: none;
	            font-family: inherit;
	        }

        /* --- UTILITIES --- */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section {
            padding: 6rem 0;
        }

        .flex { display: flex; }
        .flex-col { flex-direction: column; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .justify-between { justify-content: space-between; }
        .gap-4 { gap: 1rem; }
        .gap-2 { gap: 0.5rem; }

        .text-center { text-align: center; }
        .text-gradient {
            background: linear-gradient(to right, #818cf8, #22d3ee);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* --- NAVIGATION --- */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 1.5rem 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background-color: rgba(2, 6, 23, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }

	        .logo {
	            font-size: 1.5rem;
	            font-weight: 800;
	            letter-spacing: -0.05em;
	            cursor: var(--cursor-dev);
	        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .nav-link:hover {
            color: #818cf8; /* Indigo 400 */
        }

        .btn-outline-sm {
            padding: 0.5rem 1.25rem;
            border: 1px solid rgba(79, 70, 229, 0.3);
            border-radius: 9999px;
            color: #818cf8;
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .btn-outline-sm:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .mobile-menu-btn {
            display: none;
            color: var(--text-muted);
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background-color: var(--bg-card);
            z-index: 999;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            transform: translateY(-100%);
            transition: transform 0.4s ease-in-out;
        }

        .mobile-menu.active {
            transform: translateY(0);
        }

        .mobile-menu-close {
            position: absolute;
            top: 2rem;
            right: 2rem;
            color: var(--text-muted);
        }

        /* --- HERO SECTION --- */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        /* Background Effects */
        .hero-bg-glow {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
            pointer-events: none;
        }

        .glow-blob {
            position: absolute;
            border-radius: 50%;
            filter: blur(100px);
            opacity: 0.2;
        }

        .blob-1 {
            top: 25%;
            left: 25%;
            width: 400px;
            height: 400px;
            background-color: var(--primary);
            animation: pulse 8s infinite alternate;
        }

        .blob-2 {
            bottom: 25%;
            right: 25%;
            width: 350px;
            height: 350px;
            background-color: var(--secondary);
        }

        .hero-content {
            z-index: 1;
            text-align: center;
            max-width: 800px;
            animation: fadeIn 1s ease-out;
        }

        /* TYPING ANIMATION STYLES */
        .hero-subtitle-container {
            display: inline-block;
            margin-bottom: 1rem;
        }
        #Emoji_programmer{
          font-size: 1.5rem;
        }
        /* --- Emoji Animation --- */
	        #Emoji_programmer {
	            display: inline-block; /* Απαραίτητο για να δουλέψει το animation */
	            cursor: var(--cursor-dev);
	            transition: transform 0.3s ease;
	            
	        }

        #Emoji_programmer:hover {
            animation: wave-hand 2s infinite;
            transform-origin: 70% 70%; /* Το σημείο περιστροφής (κάτω δεξιά) */
            
        }

        @keyframes wave-hand {
            0% { transform: rotate(0.0deg); }
            10% { transform: rotate(14.0deg); }
            20% { transform: rotate(-8.0deg); }
            30% { transform: rotate(14.0deg); }
            40% { transform: rotate(-4.0deg); }
            50% { transform: rotate(10.0deg); }
            60% { transform: rotate(0.0deg); }
            100% { transform: rotate(0.0deg); }
        }
        
        .hero-subtitle {
            color: #818cf8;
            font-weight: 500;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            font-size: 0.9rem;
          
            
            /* Typing properties */
            overflow: hidden;
            white-space: nowrap;
            border-right: 2px solid #818cf8; /* The cursor */
            width: 0;
            animation: 
                typing 3.5s steps(30, end) forwards,
                blink-caret 0.75s step-end infinite;
        }

        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }

        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: #818cf8; }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            color: var(--text-muted);
            font-size: 1.125rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 0.5rem;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
            box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.4);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            border: 1px solid var(--border-hover);
            color: var(--text-muted);
        }

        .btn-secondary:hover {
            color: white;
            border-color: var(--text-muted);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            color: #64748b;
            animation: bounce 2s infinite;
        }

        /* --- SKILLS --- */
        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .divider {
            width: 80px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
            margin: 0 auto;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .skill-card {
            background-color: rgba(15, 23, 42, 0.5);
            border: 1px solid var(--border);
            padding: 1.5rem;
            border-radius: 0.75rem;
            transition: all 0.3s ease;
        }

        .skill-card:hover {
            border-color: rgba(99, 102, 241, 0.5);
            transform: translateY(-2px);
        }

        .skill-icon {
            width: 3rem;
            height: 3rem;
            background-color: rgba(30, 41, 59, 0.5);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #818cf8;
            margin-bottom: 1rem;
            transition: color 0.3s ease;
        }

        .skill-card:hover .skill-icon {
            color: #a5b4fc;
        }

        .skill-name {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .skill-level {
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        /* --- PROJECTS --- */
        .projects-section {
            background-color: var(--bg-card);
        }

        .projects-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 3rem;
        }

        .view-all-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #818cf8;
            font-weight: 500;
        }

        .view-all-link:hover {
            color: #a5b4fc;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background-color: var(--bg-color);
            border: 1px solid var(--border);
            border-radius: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            display: flex;
            flex-direction: column;
            max-width: 400px;
        }

        .project-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            border-color: var(--border-hover);
        }

        .project-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            opacity: 0.8;
            transition: transform 0.7s ease, opacity 0.3s ease;
        }

        .project-card:hover .project-image {
            transform: scale(1.05);
            opacity: 1;
        }

        .project-content {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .project-category {
            font-size: 0.75rem;
            font-weight: 700;
            color: #818cf8;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .project-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0.25rem 0 1rem 0;
        }

        .project-desc {
            color: var(--text-muted);
            font-size: 0.875rem;
            margin-bottom: 1.5rem;
            line-height: 1.6;
            flex-grow: 1;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .tag {
            background-color: #0f172a;
            border: 1px solid var(--border);
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* PROJECT STATUS BAR */
        .project-status {
            margin-top: auto;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--success);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 8px var(--success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
            100% { opacity: 1; transform: scale(1); }
        }

        /* --- CONTACT --- */
        .contact-box {
            background: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 1.5rem;
            padding: 3rem 2rem;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .contact-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .contact-btn {
            background-color: white;
            color: #020617;
            padding: 1rem 2.5rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1.125rem;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 2rem;
            transition: transform 0.2s ease;
        }

        .contact-btn:hover {
            background-color: #f8fafc;
            transform: scale(1.05);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 3rem;
            padding-top: 3rem;
            border-top: 1px solid var(--border);
        }

        .social-link {
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .social-link:hover {
            color: white;
            transform: translateY(-3px);
        }

        /* --- FOOTER --- */
        footer {
            background-color: #020617;
            border-top: 1px solid #0f172a;
            padding: 2rem 0;
            text-align: center;
            color: #64748b;
            font-size: 0.875rem;
        }

        /* --- MEDIA QUERIES --- */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .projects-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }

            .projects-header button {
                display: none;
            }
        }

        /* --- ANIMATIONS --- */
        @keyframes pulse {
            0% { opacity: 0.2; transform: scale(1); }
            100% { opacity: 0.3; transform: scale(1.1); }
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0) translateX(-50%); }
            50% { transform: translateY(10px) translateX(-50%); }
        }