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

        :root {
            --primary: #d2c1aa;
            --secondary: #373F22;
            --accent: #f5f5f5;
            --text: #f5f5f5;
            --text-dim: #d2c1aa;
            --highlight: #000000;
        }

        body {
            font-family: "Avenir Next";
            background: var(--primary);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1.5rem 5%;
            background: transparent;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            color: var(--accent);
        }

        .tagline {
            font-size: 0.75rem;
            color: var(--text-dim);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-top: 0.2rem;
        }

        .cta-button {
            padding: 0.75rem 1.5rem;
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8rem 5% 4rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, transparent 30%, var(--primary)), url("nullstrahlbackground180.png");
            background-size: auto;
               
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            animation: pulse 8s ease-in-out infinite;
   
        }

        @keyframes pulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
            50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
        }

        .hero-content {
            max-width: 900px;
            text-align: center;
            position: relative;
            z-index: 1;
            
        }

        h1 {
            font-size: clamp(2.5rem, 6vw, 5rem);
            font-weight: 300;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            line-height: 1.1;
        }

        h1 strong {
            font-weight: 600;
            display: block;
        }

        .subtitle {
            font-size: clamp(1rem, 2vw, 1.5rem);
            color: var(--primary);
            margin-bottom: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Features Section */
        .section {
            padding: 6rem 5%;
            max-width: 1400px;
            margin: 0 auto;
            
        }
        
        .section-portfolio {
            padding: 6rem 5%;
            max-width: 1400px;
            margin: 0 auto;
         
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 300;
            text-align: center;
            margin-bottom: 4rem;
            letter-spacing: -0.02em;
            color: var(--secondary);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }

        .feature-card {
            background: var(--secondary);
            padding: 3rem 2rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: rgba(74, 158, 255, 0.3);
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            opacity: 0.9;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            font-weight: 500;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .feature-card p {
            color: var(--text-dim);
            line-height: 1.7;
        }

        /* How it works */
        .how-it-works {
            background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .step {
            text-align: center;
            padding: 2rem;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: none;
            color: white;
            border-radius: 50%;
            border-style: solid;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 600;
            margin: 0 auto 1.5rem;
        }

        .step h4 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: 8rem 5%;
            background: var(--secondary);
        }

        .cta-section h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            font-weight: 300;
            margin-bottom: 2rem;
        }

        .cta-section p {
            font-size: 1.2rem;
            color: var(--text-dim);
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-button.secondary {
            background: none;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .cta-button.secondary:hover {
            background: var(--accent);
            color: var(--primary);
        }

        /* Footer */
        footer {
            padding: 3rem 5%;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }

        footer p {
            color: var(--secondary);
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            gap: 2rem;
            justify-content: center;
            margin-top: 1.5rem;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero {
                padding: 6rem 5% 3rem;
            }

            .section {
                padding: 4rem 5%;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-button {
                width: 100%;
                max-width: 300px;
            }
        }

        /* Smooth scroll */
        html {
            scroll-behavior: smooth;
        }

        /* Loading animation */
        .fade-in {
            animation: fadeIn 1s ease-in;
        }

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