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

        body {
            font-family: "Open Sans", sans-serif;
            overflow-x: hidden;
        }

        .gumugu-hero-container {
            position: relative;
            height: 100vh;
            /*background: linear-gradient(135deg, 
                #0a0a0a 0%, 
                #1a1a2e 25%, 
                #16213e 50%, 
                #8b4513 75%, 
                #ff6b35 100%);*/
            background: url('bg-sincerely.jpg');
            background-size: cover;
            overflow: hidden;
        }

        .gumugu-particles-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /*background-image: 
                radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(22, 33, 62, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 30%);*/
        }

        .gumugu-spiral-overlay {
            position: absolute;
            top: 0;
            right: 0;
            width: 70%;
            height: 100%;
            /*background: 
                radial-gradient(ellipse at center right, 
                    rgba(255, 107, 53, 0.2) 0%, 
                    rgba(139, 69, 19, 0.3) 30%, 
                    rgba(22, 33, 62, 0.2) 60%, 
                    transparent 100%);*/
            transform: rotate(-10deg) scale(1.2);
        }

        .gumugu-floating-dots {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0.6;
        }

        .gumugu-dot {
            position: absolute;
            width: 2px;
            height: 2px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 50%;
            animation: gumugu-float 6s infinite ease-in-out;
        }

        .gumugu-dot:nth-child(1) { top: 10%; left: 15%; animation-delay: 0s; }
        .gumugu-dot:nth-child(2) { top: 20%; left: 25%; animation-delay: 1s; }
        .gumugu-dot:nth-child(3) { top: 30%; left: 35%; animation-delay: 2s; }
        .gumugu-dot:nth-child(4) { top: 40%; left: 45%; animation-delay: 3s; }
        .gumugu-dot:nth-child(5) { top: 50%; left: 55%; animation-delay: 4s; }
        .gumugu-dot:nth-child(6) { top: 60%; left: 65%; animation-delay: 5s; }
        .gumugu-dot:nth-child(7) { top: 70%; left: 75%; animation-delay: 0.5s; }
        .gumugu-dot:nth-child(8) { top: 80%; left: 85%; animation-delay: 1.5s; }

        @keyframes gumugu-float {
            0%, 100% { transform: translateY(0px) opacity(0.7); }
            50% { transform: translateY(-20px) opacity(1); }
        }

        .gumugu-nav-header {
            position: relative;
            z-index: 100;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 40px;
            /*background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);*/
        }

        .gumugu-logo {
            font-size: 24px;
            /*font-weight: bold;*/
            color: white;
            text-decoration: none;
        }

        .gumugu-nav-links {
            display: flex;
            gap: 30px;
        }

        .gumugu-nav-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .gumugu-nav-link:hover {
            color: #ff6b35;
        }

        .gumugu-demo-btn-nav {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .gumugu-demo-btn-nav:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .gumugu-content-wrapper {
            position: relative;
            z-index: 50;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: calc(60vh);
            padding: 0 40px;
            text-align: center;
        }

        .gumugu-main-title {
            font-size: clamp(3rem, 8vw, 6rem);
            font-weight: 300;
            color: white;
            margin-bottom: 30px;
            line-height: 1.2;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .gumugu-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .gumugu-cta-button {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 8px 32px rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .gumugu-cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .gumugu-cta-button:hover::before {
            left: 100%;
        }

        .gumugu-cta-button:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 15px 40px rgba(255, 255, 255, 0.2);
        }

        .gumugu-features-section {
            position: absolute;
            bottom: 60px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 20px;
            z-index: 60;
        }

        .gumugu-feature-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            padding: 25px;
            width: 280px;
            color: white;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .gumugu-feature-card:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .gumugu-feature-card.primo {
            background: rgba(200, 200, 200, 0.15);
        }

        .gumugu-feature-card.secondo {
            background: rgba(100, 180, 200, 0.15);
        }

        .gumugu-feature-card.contorno {
            background: rgba(255, 165, 70, 0.15);
        }

        .gumugu-feature-icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            font-size: 18px;
        }

        .gumugu-feature-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .gumugu-feature-description {
            font-size: 14px;
            opacity: 0.9;
            line-height: 1.4;
        }

        @media (max-width: 1024px) {
            .gumugu-features-section {
                flex-direction: column;
                align-items: center;
                width: 90%;
            }
            
            .gumugu-feature-card {
                width: 100%;
                max-width: 350px;
            }
        }

        @media (max-width: 768px) {
            .gumugu-nav-header {
                padding: 15px 20px;
            }
            
            .gumugu-nav-links {
                display: none;
            }
            
            .gumugu-content-wrapper {
                padding: 0 20px;
            }
            
            .gumugu-main-title {
                font-size: 2.5rem;
            }
            
            .gumugu-features-section {
                position: static;
                transform: none;
                margin-top: 40px;
            }
        }

        .gumugu-hero-wrapper {
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            min-height: 100vh;
            color: #ffffff;
            font-family: 'Arial', sans-serif;
            padding: 60px 20px;
        }

        .gumugu-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .gumugu-hero-header {
            text-align: center;
            margin-bottom: 80px;
        }

        .gumugu-hero-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 300;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 0%, #b8c6db 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .gumugu-hero-subtitle {
            font-size: clamp(1rem, 2.5vw, 1.4rem);
            color: #a0a8b8;
            font-weight: 300;
            letter-spacing: 0.5px;
        }

        .gumugu-services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-bottom: 100px;
        }

        .gumugu-service-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 40px 32px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .gumugu-service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .gumugu-service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(59, 130, 246, 0.3);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .gumugu-service-card:hover::before {
            opacity: 1;
        }

        .gumugu-service-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #3b82f6 0%, #9333ea 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }

        .gumugu-service-icon svg {
            width: 28px;
            height: 28px;
            fill: white;
        }

        .gumugu-service-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: #ffffff;
            position: relative;
            z-index: 2;
        }

        .gumugu-service-description {
            font-size: 1rem;
            line-height: 1.6;
            color: #a0a8b8;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }

        .gumugu-learn-more {
            color: #3b82f6;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .gumugu-learn-more:hover {
            color: #60a5fa;
            transform: translateX(4px);
        }

        .gumugu-cta-section {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .gumugu-cta-title {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 600;
            margin-bottom: 24px;
            line-height: 1.2;
        }

        .gumugu-cta-description {
            font-size: 1.2rem;
            color: #a0a8b8;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .gumugus-cta-button {
            background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
            color: white;
            padding: 16px 32px;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            position: relative;
            overflow: hidden;
        }

        .gumugus-cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .gumugus-cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
        }

        .gumugus-cta-button:hover::before {
            left: 100%;
        }

        @media (max-width: 768px) {
            .gumugu-hero-wrapper {
                padding: 40px 16px;
            }

            .gumugu-services-grid {
                gap: 24px;
                margin-bottom: 60px;
            }

            .gumugu-service-card {
                padding: 32px 24px;
            }

            .gumugu-hero-header {
                margin-bottom: 50px;
            }

        }

        @media (max-width: 480px) {
            .gumugu-services-grid {
                grid-template-columns: 1fr;
            }

            .gumugu-service-card {
                padding: 28px 20px;
            }

            .gumugu-cta-button {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }