:root {
            /* Google Official Color Palette - Light Mode */
            --google-blue: #4285F4;
            --google-red: #EA4335;
            --google-yellow: #FBBC04;
            --google-green: #34A853;
            --google-purple: #9C27B0;
            --google-orange: #FF6D01;
            --google-pink: #E91E63;
            --google-teal: #00ACC1;
            
            --primary: var(--google-blue);
            --secondary: var(--google-green);
            --accent: var(--google-red);
            --success: var(--google-green);
            --warning: var(--google-yellow);
            --error: var(--google-red);
            
            --background: #FFFFFF;
            --surface: #FFFFFF;
            --surface-secondary: #F8F9FA;
            --surface-tertiary: #F1F3F4;
            --surface-elevated: #FFFFFF;
            
            --text-primary: #202124;
            --text-secondary: #5F6368;
            --text-tertiary: #80868B;
            --text-disabled: #DADCE0;
            
            --border: #DADCE0;
            --border-light: #F1F3F4;
            --divider: #E8EAED;
            
            --shadow-1: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
            --shadow-2: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 2px 6px 2px rgba(60, 64, 67, 0.15);
            --shadow-3: 0 4px 8px 3px rgba(60, 64, 67, 0.15), 0 1px 3px rgba(60, 64, 67, 0.3);
            --shadow-4: 0 6px 10px 4px rgba(60, 64, 67, 0.15), 0 2px 3px rgba(60, 64, 67, 0.3);
            --shadow-5: 0 8px 12px 6px rgba(60, 64, 67, 0.15), 0 4px 4px rgba(60, 64, 67, 0.3);
            
            /* Nuevo gradiente más atractivo para el nombre */
            --gradient-primary: linear-gradient(135deg, var(--google-blue) 0%, var(--google-green) 100%);
            --gradient-secondary: linear-gradient(135deg, var(--google-red) 0%, var(--google-orange) 100%);
            --gradient-tertiary: linear-gradient(135deg, var(--google-green) 0%, var(--google-teal) 100%);
        }

        [data-theme="dark"] {
            /* Google Dark Theme */
            --google-blue: #8AB4F8;
            --google-red: #F28B82;
            --google-yellow: #FDD663;
            --google-green: #81C995;
            --google-purple: #C58AF9;
            --google-orange: #FCAD70;
            --google-pink: #F48FB1;
            --google-teal: #4DD0E1;
            
            --primary: var(--google-blue);
            --secondary: var(--google-green);
            --accent: var(--google-red);
            --success: var(--google-green);
            --warning: var(--google-yellow);
            --error: var(--google-red);
            
            --background: #121212;
            --surface: #1E1E1E;
            --surface-secondary: #2D2D2D;
            --surface-tertiary: #3C3C3C;
            --surface-elevated: #2D2D2D;
            
            --text-primary: #E8EAED;
            --text-secondary: #9AA0A6;
            --text-tertiary: #5F6368;
            --text-disabled: #3C4043;
            
            --border: #3C4043;
            --border-light: #2D2D2D;
            --divider: #3C4043;
            
            --shadow-1: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
            --shadow-2: 0 1px 2px 0 rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
            --shadow-3: 0 4px 8px 3px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-4: 0 6px 10px 4px rgba(0, 0, 0, 0.15), 0 2px 3px rgba(0, 0, 0, 0.3);
            --shadow-5: 0 8px 12px 6px rgba(0, 0, 0, 0.15), 0 4px 4px rgba(0, 0, 0, 0.3);
            
            --gradient-primary: linear-gradient(135deg, var(--google-blue) 0%, var(--google-green) 100%);
            --gradient-secondary: linear-gradient(135deg, var(--google-red) 0%, var(--google-orange) 100%);
            --gradient-tertiary: linear-gradient(135deg, var(--google-green) 0%, var(--google-teal) 100%);
        }

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

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            font-family: 'Google Sans', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--background);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }


        /* Lava Background Animation */
        .lava-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.03;
            overflow: hidden;
        }

        .lava-blob {
            position: absolute;
            border-radius: 50%;
            filter: blur(40px);
            animation: lavaFlow 25s ease-in-out infinite;
        }

        .lava-blob:nth-child(1) {
            width: 300px;
            height: 300px;
            background: var(--google-blue);
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }

        .lava-blob:nth-child(2) {
            width: 400px;
            height: 400px;
            background: var(--google-red);
            top: 60%;
            right: 10%;
            animation-delay: -8s;
        }

        .lava-blob:nth-child(3) {
            width: 250px;
            height: 250px;
            background: var(--google-yellow);
            bottom: 20%;
            left: 20%;
            animation-delay: -16s;
        }

        .lava-blob:nth-child(4) {
            width: 350px;
            height: 350px;
            background: var(--google-green);
            top: 30%;
            right: 30%;
            animation-delay: -12s;
        }

        @keyframes lavaFlow {
            0%, 100% {
                transform: translate(0, 0) scale(1) rotate(0deg);
                border-radius: 50%;
            }
            25% {
                transform: translate(50px, -30px) scale(1.1) rotate(90deg);
                border-radius: 60% 40% 30% 70%;
            }
            50% {
                transform: translate(-30px, 50px) scale(0.9) rotate(180deg);
                border-radius: 30% 60% 70% 40%;
            }
            75% {
                transform: translate(-50px, -20px) scale(1.05) rotate(270deg);
                border-radius: 40% 30% 60% 50%;
            }
        }

        /* Enhanced Navigation */
        .nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: var(--surface-elevated);
            border: 1px solid var(--border);
            border-radius: 28px;
            padding: 8px 16px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-2);
            backdrop-filter: blur(20px);
            width: auto;
            max-width: calc(100vw - 32px);
        }

        .nav:hover {
            box-shadow: var(--shadow-3);
            transform: translateX(-50%) translateY(-2px);
        }

        .nav-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 4px;
            align-items: center;
        }

        .nav-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            padding: 8px 16px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: var(--surface-secondary);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(66, 133, 244, 0.08);
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 24px;
            height: 18px;

            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2px;
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--surface-elevated);
            backdrop-filter: blur(20px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 32px;
            transform: translateY(-100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            visibility: hidden;
        }

        .mobile-menu.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu .nav-link {
            font-size: 24px;
            font-weight: 600;
            padding: 16px 32px;
            border-radius: 24px;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 200px;
        }

        /* Theme Toggle Pill */
        .theme-toggle {
            position: relative;
            width: 56px;
            height: 28px;
            background: var(--surface-tertiary);
            border: 1px solid var(--border);
            border-radius: 14px;

            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            align-items: center;
            padding: 2px;
            flex-shrink: 0;
        }

        .theme-toggle:hover {
            background: var(--border);
        }

        .theme-toggle.dark {
            background: var(--primary);
            border-color: var(--primary);
        }

        .theme-pill {
            position: absolute;
            width: 24px;
            height: 24px;
            background: var(--surface);
            border-radius: 50%;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            box-shadow: var(--shadow-1);
            left: 2px;
        }

        .theme-toggle.dark .theme-pill {
            left: 30px;
            background: var(--surface);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
            padding: 80px 0 40px;
        }

        .hero-content {
            max-width: 680px;
            z-index: 2;
            width: 100%;
            padding: 0 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-elevated);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 8px 16px;
            margin-bottom: 32px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            box-shadow: var(--shadow-1);
            animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.1); }
        }

        .hero-title {
            font-size: clamp(2rem, 8vw, 4.5rem);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 20px;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 4vw, 1.4rem);
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 24px;
            animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
        }

        .hero-description {
            font-size: clamp(14px, 3vw, 16px);
            color: var(--text-tertiary);
            margin-bottom: 40px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            text-align: justify;
            animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s both;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 24px;
            font-weight: 500;
            font-size: 14px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

            position: relative;
            overflow: hidden;
            min-height: 48px;
            justify-content: center;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: var(--shadow-2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-3);
        }

        .btn-secondary {
            background: var(--surface-elevated);
            color: var(--text-primary);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
        }

        .btn-secondary:hover {
            background: var(--surface-secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
        }

        /* Sections */
        .section {
            padding: 60px 0;
            position: relative;
        }

        .container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-badge {
            display: inline-block;
            background: var(--surface-elevated);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 16px;
            margin-bottom: 16px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: var(--shadow-1);
        }

        .section-title {
            font-size: clamp(1.5rem, 5vw, 2.8rem);
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-description {
            font-size: clamp(14px, 3vw, 16px);
            color: var(--text-tertiary);
            max-width: 480px;
            margin: 0 auto;
            text-align: justify;
        }

        /* About Section */
        .about {
            background: var(--surface-secondary);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: start;
        }

        .about-text {
            font-size: clamp(14px, 3vw, 16px);
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .about-text p {
            margin-bottom: 20px;
            text-align: justify;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        /* Google Material Design Cards */
        .material-card {
            background: var(--surface-elevated);
            border-radius: 12px;
            padding: 20px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-1);
        }

        .material-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .material-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-3);
        }

        .material-card:hover::before {
            transform: scaleX(1);
        }

        .stat-card {
            text-align: center;
        }

        .stat-number {
            font-size: clamp(1.5rem, 4vw, 2rem);
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            font-family: 'Google Sans', sans-serif;
        }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 400;
            font-size: clamp(12px, 2.5vw, 14px);
        }

        /* Experience Section */
        .experience-timeline {
            position: relative;
            max-width: 680px;
            margin: 0 auto;
        }

        .timeline-line {
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            margin-left: 40px;
        }

        .timeline-content {
            width: 100%;
        }

        .timeline-dot {
            position: absolute;
            left: -32px;
            top: 8px;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border: 3px solid var(--surface);
            border-radius: 50%;
            z-index: 2;
            box-shadow: 0 0 0 4px var(--border);
        }

        .timeline-date {
            color: var(--primary);
            font-weight: 500;
            font-size: 12px;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .timeline-title {
            font-size: clamp(16px, 3vw, 18px);
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .timeline-company {
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 12px;
            font-size: clamp(12px, 2.5vw, 14px);
        }

        .timeline-description {
            color: var(--text-tertiary);
            margin-bottom: 16px;
            font-size: clamp(12px, 2.5vw, 14px);
            line-height: 1.5;
            text-align: justify;
        }

        .tech-stack {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tech-tag {
            background: var(--surface-secondary);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 11px;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .tech-tag:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* Education Section */
        .education {
            background: var(--surface-secondary);
        }

        .education-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .education-card {
            position: relative;
        }

        .education-period {
            color: var(--primary);
            font-weight: 500;
            font-size: 12px;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .education-title {
            font-size: clamp(16px, 3vw, 18px);
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .education-institution {
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-size: clamp(12px, 2.5vw, 14px);
        }

        .education-description {
            color: var(--text-tertiary);
            font-size: clamp(12px, 2.5vw, 14px);
            line-height: 1.5;
            text-align: justify;
        }

        /* Contact Section */
        .contact-content {
            text-align: center;
            max-width: 480px;
            margin: 0 auto;
        }

        .contact-message {
            font-size: clamp(14px, 3vw, 18px);
            color: var(--text-secondary);
            margin-bottom: 40px;
            text-align: justify;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        .social-link {
            width: 56px;
            height: 56px;
            background: var(--surface-elevated);
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-1);
            position: relative;
            overflow: hidden;
        }

        .social-link:hover {
            transform: translateY(-2px) scale(1.05);
            box-shadow: var(--shadow-3);
        }

        /* Specific social link colors */
        .social-link.email:hover {
            background: var(--google-red);
            color: white;
        }

        .social-link.twitter:hover {
            background: #1DA1F2;
            color: white;
        }

        .social-link.github:hover {
            background: var(--text-primary);
            color: var(--surface);
        }

        .social-link.linkedin:hover {
            background: #0077B5;
            color: white;
        }

        /* Footer */
        .footer {
            background: var(--surface-elevated);
            padding: 32px 0;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        .footer-text {
            color: var(--text-tertiary);
            font-size: clamp(12px, 2.5vw, 14px);
        }

        /* Animations */
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(32px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .nav {
                top: 16px;
                left: 16px;
                right: 16px;
                transform: none;
                border-radius: 20px;
                padding: 12px 16px;
                width: calc(100% - 32px);
            }

            .nav:hover {
                transform: translateY(-2px);
            }

            .nav-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 100px 0 60px;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .btn {
                width: 100%;
                max-width: 280px;
                min-height: 52px;
            }

            .about-stats {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .social-links {
                gap: 12px;
            }

            .social-link {
                width: 52px;
                height: 52px;
            }

            .section {
                padding: 50px 0;
            }

            .section-header {
                margin-bottom: 40px;
            }

            .hero-description,
            .section-description,
            .contact-message {
                text-align: left;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .nav {
                padding: 10px 14px;
            }

            .theme-toggle {
                width: 48px;
                height: 24px;
            }

            .theme-pill {
                width: 20px;
                height: 20px;
                font-size: 10px;
            }

            .theme-toggle.dark .theme-pill {
                left: 26px;
            }

            .hero-content {
                padding: 0 16px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 6px 12px;
            }

            .material-card {
                padding: 16px;
            }

            .social-links {
                gap: 10px;
            }

            .social-link {
                width: 48px;
                height: 48px;
            }

            .btn {
                font-size: 13px;
                padding: 10px 20px;
            }
        }

        /* Desktop improvements */
        @media (min-width: 769px) {
            .about-content {
                grid-template-columns: 1fr 1fr;
                gap: 64px;
                align-items: center;
            }

            .about-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline-line {
                left: 50%;
                transform: translateX(-50%);
            }

            .timeline-item {
                display: flex;
                align-items: center;
                margin-left: 0;
            }

            .timeline-item:nth-child(odd) {
                flex-direction: row-reverse;
            }

            .timeline-content {
                width: calc(50% - 32px);
            }

            .timeline-dot {
                left: 50%;
                transform: translateX(-50%);
                top: auto;
            }

            .education-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 24px;
            }

            .section {
                padding: 80px 0;
            }

            .section-header {
                margin-bottom: 64px;
            }
        }

        /* Loading Animation */
        .loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--background);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
            transition: opacity 0.5s ease;
        }

        .loading.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .loader {
            width: 32px;
            height: 32px;
            border: 3px solid var(--border);
            border-top: 3px solid var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Ripple Effect */
        .ripple {
            position: absolute;
            border-radius: 50%;
            background-color: rgba(66, 133, 244, 0.3);
            transform: scale(0);
            animation: ripple-animation 0.6s linear;
            pointer-events: none;
        }
        
        @keyframes ripple-animation {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* Touch improvements for mobile */
        @media (hover: none) and (pointer: coarse) {
            .material-card:hover,
            .btn:hover,
            .social-link:hover,
            .nav-link:hover,
            .tech-tag:hover {
                transform: none;
            }

            .material-card:active,
            .btn:active,
            .social-link:active {
                transform: scale(0.98);
            }
        }