/*

TemplateMo 593 personal shape

https://templatemo.com/tm-593-personal-shape

*/

@charset "utf-8";
/* CSS Document */

@font-face {
  font-family: VT323;
  src: url(../fonts/VT323-Regular.ttf);
}

@font-face {
  font-family: body-font;
  src: 'Roboto'; /*'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;*/
}

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


        .img-float {
            margin: 0 1rem 1rem 0;
            width: 300px;
        }

        .img-float img {
            width: 100%;
            border-radius: 5px;
            display: block;
        }

        .img-float figcaption {
            font-family: 'Roboto';
            font-size: 0.85rem;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .img-float.left {
            float: left;
            margin: 0 1rem 1rem 0;
        }

        .img-float.right {
            float: right;
            margin: 0 0 1rem 1rem;
        }
        /* Footer */
        .footer {
            background: linear-gradient(0deg,rgba(163, 140, 220, 1) 47%, rgba(255, 255, 255, 1) 100%);
            color: var(--text-light);
            padding: 3rem 0 2rem;
            position: relative;
            overflow: hidden;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-grid" width="12" height="12" patternUnits="userSpaceOnUse"><path d="M 12 0 L 0 0 0 12" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-grid)"/></svg>');
            opacity: 0.4;
        }

        .footer::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
        }

        .footer-content {
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .footer p{
            color: var(--text-primary);
            font-family: VT323;
            font-size: 1.75rem;
            font-weight: 500;
            letter-spacing: -0.5px;
            
        }

        .footer-left p {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin: 0;
        }

        .footer-right {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .footer-right a {
            color: var(--text-primary);
            text-decoration: none;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .footer-right a:hover {
            color: var(--text-light);
            transform: translateY(-1px);
        }

        .footer-right a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -3px;
            left: 0;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

        .footer-right a:hover::after {
            width: 100%;
        }

        .footer-logo-image {
            width: 100px;
            height: 100px;
            background: url('../images/instagram-logo.png') center/cover no-repeat;
            margin: 0 auto;
        }

        /* Footer Mobile Responsiveness */
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                text-align: center;
                gap: 1.5rem;
            }

            .footer-right {
                justify-content: center;
                gap: 1.5rem;
            }

            .footer-right a {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            .footer-right {
                flex-direction: column;
                gap: 1rem;
            }
        }

        :root {
            --primary-color: #553A9C;
            --secondary-color: #a38cdc;
            --text-primary: #0f172a;
            --text-secondary: #64748b;
            --text-light: #ffffff;
            --bg-primary: #ffffff;
            --bg-secondary: #ece6fa;
            --bg-dark: #0f172a;
            --bg-card: rgba(255, 255, 255, 0.95);
            --gradient-updown: linear-gradient(180deg,rgba(202, 189, 235, 1) 9%, rgba(255, 255, 255, 0) 18%);
            --gradient-primary: linear-gradient(90deg,rgba(24, 8, 64, 1) 32%, rgba(85, 58, 156, 1) 67%, rgba(163, 140, 220, 1) 90%);
            --gradient-elegant: linear-gradient(181deg,rgba(24, 8, 64, 1) 3%, rgba(85, 58, 156, 1) 47%, rgba(163, 140, 220, 1) 90%);
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            --glass: rgba(255, 255, 255, 0.15);
            --glass-border: rgba(255, 255, 255, 0.2);
        }

        body {
            font-family: 'Roboto', VT323;/*'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;*/
            line-height: 1.7;
            color: var(--text-primary);
            scroll-behavior: smooth;
            overflow-x: hidden;
            background: var(--bg-primary);
        }

        /* Navigation */
        nav {
            font-family: VT323;
            position: fixed;
            top: 0;
            width: 100%;
            /*background: rgba(163, 140, 220, 1);
            background: linear-gradient(0deg,rgba(0, 0, 0, 0) 0%, rgba(163, 140, 220, 1) 53%, rgba(163, 140, 220, 1) 100%);*/
            background: linear-gradient(180deg,rgba(163, 140, 220, 1) 10%, rgba(202, 189, 235, 1) 50%);
            backdrop-filter: blur(20px);
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border-bottom: 1px;
        }

        nav.scrolled {
            background: linear-gradient(0deg,rgba(0, 0, 0, 0) 0%, rgba(163, 140, 220, 1) 61%);
            box-shadow: var(--shadow-lg);
            padding: 0.75rem 0;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: VT323;/*'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', sans-serif;*/
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-primary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a:hover {
            color: var(--primary-color);
            transform: translateY(-1px);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            background: var(--gradient-primary);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            transform: translateX(-50%);
            border-radius: 1px;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

        .hamburger {
            width: 25px;
            height: 3px;
            background: var(--secondary-color);
            margin: 3px 0;
            transition: all 0.3s ease;
            border-radius: 1px;
        }

        .mobile-menu-toggle.active .hamburger:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

        .mobile-menu-toggle.active .hamburger:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active .hamburger:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: --gradient-updown;
            backdrop-filter: blur(20px);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 999;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-nav-links {
            list-style: none;
            text-align: center;
        }

        .mobile-nav-links li {
            margin: 2rem 0;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .mobile-menu.active .mobile-nav-links li {
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-menu.active .mobile-nav-links li:nth-child(1) { transition-delay: 0.1s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(2) { transition-delay: 0.2s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(3) { transition-delay: 0.3s; }
        .mobile-menu.active .mobile-nav-links li:nth-child(4) { transition-delay: 0.4s; }

        .mobile-nav-links a {
            font-family: VT323;
            font-size: 2.5rem;
            font-weight: 500;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            background: var(--text-primary);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .mobile-nav-links a:hover {
            transform: scale(1.05);
        }

        /* Hero Section */
        .hero {
            height: 180vh;
            display: flex;
            align-items: center;
            justify-content: center;
            /*background: var(--gradient-elegant);*/
            background: var(--gradient-updown);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            /*background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');*/
            background: var(--gradient-updown);
            animation: float 25s ease-in-out infinite;
            opacity: 0.7;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-updown);
            animation: pulse 4s ease-in-out infinite alternate;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(1deg); }
        }

        @keyframes pulse {
            0% { opacity: 0.5; }
            100% { opacity: 0.8; }
        }

        .hero-content {
            /*display: flex;
            flex-direction: column;
            align-items: center;*/

            text-align: center;
            color: var(--text-primary);
            z-index: 2;
            position: relative;
            max-width: 900px;
            padding: 0 2rem;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            font-weight: 500;
            letter-spacing: 2px;
            text-transform: uppercase;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.2s forwards;
            margin-bottom: 1rem;
            margin-top: 1rem;
            color: var(--text-primary);
        }

        .hero h1 {
            font-family: VT323, 'Roboto';
            font-size: 5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.4s forwards;
            line-height: 1.1;
            letter-spacing: -1px;
        }

        .hero .subtitle {
            font-size: 1.3rem;
            margin-bottom: 3rem;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.6s forwards;
            color: var(--text-primary);
            font-weight: 400;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            padding: 1.2rem 3rem;
            background: rgba(255, 255, 255, 0.2);
            color: var(--text-light);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transform: translateY(30px);
            opacity: 0;
            animation: fadeInUp 1s ease 0.8s forwards;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
            letter-spacing: 0.5px;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.25);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            border-color: rgba(255, 255, 255, 0.4);
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 50px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .scroll-indicator:hover {
            border-color: rgba(255, 255, 255, 0.9);
        }

        .scroll-indicator::before {
            content: '';
            position: absolute;
            top: 10px;
            left: 50%;
            width: 6px;
            height: 6px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            transform: translateX(-50%);
            animation: scroll 2s infinite;
        }

        @keyframes scroll {
            0% { transform: translateX(-50%) translateY(0); opacity: 1; }
            100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
        }

        /* Section Styles */
        section {
            margin-bottom: 1rem;
            padding: 3rem 3rem;
            border-radius: 30px;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            /*background: radial-gradient(circle,rgba(163, 140, 220, 1) 0%, rgba(204, 191, 236, 1) 24%, rgba(255, 255, 255, 1) 72%);*/

        }

        .section-title {
            text-align: center;
            font-family: VT323;
            font-size: 3.5rem;
            font-weight: 600;
            margin-bottom: 4rem;
            background: var(--gradient-elegant);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 4px;
            background: var(--gradient-primary);
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        /* articles Section */
        .articles {
            margin: 3rem 3rem;
            /*background: linear-gradient(75deg,rgba(163, 140, 220, 1) 0%, rgba(204, 191, 236, 1) 13%, rgba(255, 255, 255, 1) 72%);*/
            background: var(--bg-secondary);
            position: relative;
        }

        .articles::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            /*background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);*/
        }

        .articles-content {
            display: grid;

            grid-template-columns: 1fr 1.5fr;
            gap: 6rem;
            align-items: center;
            position: relative;
        }
        /*--------------------------------------------*/
        .principal-image img {
            width: 100%;
            height: 100%;
            object-fit: cover; /* rellena sin deformarse */
            border-radius: 30px; /* bordes redondeados en la imagen */
        }

        /*--------------------------------------------*/
        .articles-image {
            width: 100%;
            height: 350px;
            border-radius: 100px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-2xl);
            transform: rotate(-2deg);
            transition: transform 0.4s ease;
        }

        .articles-image:hover {
            transform: rotate(0deg) scale(1.02);
        }

        .articles-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.2) 100%);
            transition: opacity 0.3s ease;
        }

        .articles-image:hover::before {
            opacity: 0.7;
        }

        .articles-image::after {

        }

        .articles-image.val{
            background: url('val/images/val-foto.png') center/cover;
        }

        .articles-image.giu {
            background: url('giu/images/giu-foto.jpeg') center/cover;
        }

        .articles-image.beck {
            background: url('beck/images/beck-foto.jpeg') center/cover;
        }

        .articles-text h2 {
            font-family: 'Roboto';
            font-size: 1.5rem;
            text-align: justify;
            color: var(--text-primary);
            margin-bottom: 2rem;
            font-weight: 300;
            line-height: 1.3;
        }

        .articles-text h2 b {
            font-weight: 700;
            color: var(--primary-color);
            }

        .articles-text h3 {
            font-family: VT323;
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
            font-weight: 800;
            line-height: 1;
        }

        .articles-text h4 {
            font-family: 'Roboto';
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
            font-weight: 300;
            line-height: 1;
        }

        .articles-text p {
            font-family: 'Roboto';
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 2rem;
            line-height: 1.3;
        }

        .articles-text ul {
            list-style: none; /* Quitamos el bullet por defecto */
            padding-left: 0;  /* Ajustamos padding del ul */
        }

        .articles-text li {
            position: relative;
            color: #553A9C;
            font-weight: 300;
            padding-left: 2rem; /* Espacio para el bullet */
            margin-bottom: 0.5rem; /* Espacio entre items */
            font-family: 'Roboto';
            font-size: 1.5rem;
            margin-top: 0.5;
            /* Bullet como background */
            background-image: url('../images/bullet.png');
            background-repeat: no-repeat;
            background-size: 1rem 1rem; /* Tamaño exacto del bullet */
            background-position: left center; /* Alineado a la izquierda y verticalmente centrado */
        }



        .topics {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .topic-tag {
            padding: 0.75rem 1.5rem;
            background: var(--bg-card);
            color: var(--primary-color);
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid rgba(99, 102, 241, 0.2);
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .topic-tag:hover {
            background: var(--primary-color);
            color: var(--text-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .topic-tag a {
            color: inherit;         
            text-decoration: none; 
            display: block;
        }

        .topic-tag a:hover {
            color: inherit;   
        }

        /* seminars Section */
        .portfolio {
            margin: 3rem 3rem;
            background: var(--bg-primary);
        }
        .portfolio p{
            font-family: 'Roboto';
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 2rem;
            line-height: 1.3;
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            margin-top: 2rem;
        }

        .portfolio-item {
            background: var(--bg-card);
            border-radius: 25px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            transform: translateY(20px);
            opacity: 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
        }

        .portfolio-item.animate {
            transform: translateY(0);
            opacity: 1;
        }

        .portfolio-item:hover {
            transform: translateY(-15px);
            box-shadow: var(--shadow-2xl);
        }

        .portfolio-image {
            width: 100%;
            height: 180px;
            background: var(--gradient-primary);
            position: relative;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }

        .portfolio-item:nth-child(1) .portfolio-image {
            background-image: url('images/monitobit.png');
        }

        .portfolio-item:nth-child(2) .portfolio-image {
            background-image: url('images/monitobit.png');
        }

        .portfolio-item:nth-child(3) .portfolio-image {
            background-image: url('images/monitobit.png');
        }


        .portfolio-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;

            transition: all 0.3s ease;
        }

        .portfolio-item:hover .portfolio-image::before {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.4) 0%, rgba(139, 92, 246, 0.3) 100%);
        }

        .portfolio-content {
            padding: 2rem;
        }

        .portfolio-content h4 {
            font-family: 'Roboto';
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .portfolio-content p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .portfolio-tech {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .tech-tag {
            padding: 0.4rem 1rem;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .tech-tag:hover {
            background: var(--primary-color);
            color: var(--text-light);
        }

        
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .form-group {
            display: grid;
            gap: 0.75rem;
            text-align: left;
        }

        .form-group label {
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }

        .form-group input,
        .form-group textarea {
            padding: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-light);
            font-family: 'Roboto';
            font-size: 1rem;
            font-weight: 400;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .submit-btn {
            padding: 1.2rem 3rem;
            background: var(--gradient-primary);
            color: var(--text-light);
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            margin-top: 1rem;
            letter-spacing: 0.5px;
        }

        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
        }

        /* Animation Classes */
        .fade-in {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .fade-in.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .slide-in-left {
            opacity: 0;
            transform: translateX(-60px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .slide-in-left.animate {
            opacity: 1;
            transform: translateX(0);
        }

        .slide-in-right {
            opacity: 0;
            transform: translateX(60px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .slide-in-right.animate {
            opacity: 1;
            transform: translateX(0);
        }

        /* Mobile Responsiveness */
        @media (max-width: 1024px) {
            .portfolio-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }

            .articles-content {
                grid-template-columns: 1fr;
                gap: 4rem;
            }

            .hero h1 {
                font-size: 4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 3rem;
            }

            .hero .subtitle {
                font-size: 1.1rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
            }

            .container {
                padding: 0 1.5rem;
            }

            section {
                padding: 5rem 0;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .articles-text h3 {
                font-size: 2rem;
            }

            .topics {
                margin-top: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .nav-container {
                padding: 0 1rem;
            }

            .container {
                padding: 0 1rem;
            }
        }