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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0a0a0a;
            color: #fff;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(20px);
            padding: 20px 5%;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            background: #fff;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            gap: 40px;
            list-style: none;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 15px;
        }

        .nav-links a:hover {
            color: #667eea;
        }

        .dropdown {
            position: relative;
        }

        .dropdown-menu {
            display: none;
            position: absolute;
            top: 120%; /* separa el submenú de Skills sin romper el hover */
            left: 0;
            background: rgba(15, 15, 15, 0.95);
            backdrop-filter: blur(15px);
            list-style: none;
            padding: 10px 0;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-5px);
            transition: all 0.25s ease;
        }

        /* Mostrar al pasar el ratón */
        .dropdown:hover .dropdown-menu {
            display: block;
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        /* Estilo de los enlaces */
        .dropdown-menu li {
            width: 100%;
        }

        .dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: #fff;
            font-size: 14px;
            text-decoration: none;
            transition: background 0.3s, color 0.3s;
        }

        .dropdown-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #667eea;
        }

        .container {
            padding: 120px 5% 50px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .project-header {
            margin-bottom: 60px;
        }

        .project-title {
            font-size: 48px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .project-subtitle {
            font-size: 20px;
            color: #aaa;
            margin-bottom: 30px;
        }

        /* Project Image Section */
        .project-image-section {
            margin-bottom: 80px;
            text-align: center;
        }

        .project-image {
            width: 100%;
            height: 500px;
            background-image: url(Images/ai_aythami.jpg);
            background-repeat: no-repeat;
            background-size: cover;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 120px;
            margin-bottom: 20px;
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
        }

        .image-caption {
            text-align: center;
            color: #aaa;
            font-size: 16px;
            font-style: italic;
        }

        .btn {
            margin-top: 30px;
            padding: 15px 35px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            display: inline-block;
            cursor: pointer;
        }

        .btn-primary {
            border: 2px solid #667eea;
            color: #667eea;
        }

        .btn-primary:hover {
            background: rgba(102, 126, 234, 0.1);
        }

        /* Section Styles */
        .project-section {
            margin-bottom: 70px;
        }

        .section-title {
            font-size: 32px;
            color: #667eea;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid rgba(102, 126, 234, 0.3);
        }

        .section-content {
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            padding: 35px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            line-height: 1.8;
        }

        .section-content p {
            color: #ccc;
            font-size: 18px;
            margin-bottom: 15px;
        }

        .section-content p:last-child {
            margin-bottom: 0;
        }

        /* Problems Section */
        .problems-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .problem-item {
            background: rgba(102, 126, 234, 0.1);
            padding: 25px;
            border-left: 4px solid #667eea;
            border-radius: 10px;
            border: 1px solid rgba(102, 126, 234, 0.2);
        }

        .problem-title {
            color: #667eea;
            font-weight: 600;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .problem-description {
            color: #aaa;
            line-height: 1.6;
        }

        /* Technologies Section */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
        }

        .tech-card {
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            transition: all 0.3s;
        }

        .tech-card:hover {
            transform: translateY(-5px);
            border-color: #667eea;
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
        }

        .tech-icon {
            font-size: 40px;
            margin-bottom: 10px;
        }

        .tech-name {
            color: #ddd;
            font-weight: 600;
            font-size: 16px;
        }

        /* Video Section */
        .video-container {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%;
            height: 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
        }

        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .video-placeholder {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
            border-radius: 20px;
        }

        /* Contacto */
        .contact-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .contact-card {
            background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
            padding: 40px 30px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
            cursor: pointer;
        }

        .contact-card:hover {
            transform: translateY(-5px);
            border-color: #667eea;
        }

        .contact-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .contact-label {
            color: #aaa;
            margin-bottom: 10px;
        }

        .contact-value a{
            color: #fff;
            font-weight: 600;
            text-decoration: none;
        }

        footer {
            background: #050505;
            padding: 40px 5%;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 100px;
        }

        footer p {
            color: #666;
        }

        @media (max-width: 768px) {
            .nav-links {
                gap: 20px;
                font-size: 13px;
            }

            .project-title {
                font-size: 36px;
            }

            .section-title {
                font-size: 24px;
            }

            .project-image {
                height: 250px;
                font-size: 80px;
            }

            .container {
                padding: 100px 5% 50px;
            }

            .tech-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
        }