@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

        :root {
            --bg-color: #0f172a;
            --card-bg: #1e293b;
            --accent-primary: #4ade80;
            --accent-secondary: #00FFCC;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }
        body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; }

        header { position: fixed; top: 0; width: 100%; background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
        nav { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; }
        .logo { height: 40px; display: flex; align-items: center; }
        .logo img { height: 100%; border-radius: 4px; }
        .nav-links { display: flex; gap: 2rem; }
        .nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.3s; }
        .nav-links a:hover { color: var(--accent-primary); }

        section { padding: 100px 2rem; max-width: 1100px; margin: 0 auto; }

        .hero { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; }
        .hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700; margin-bottom: 1rem; background: linear-gradient(to right, var(--accent-secondary), var(--accent-primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .hero h2 { font-size: 1.5rem; color: var(--text-muted); font-weight: 400; margin-bottom: 2rem; }

        .headline { font-size: 2rem; margin-bottom: 1.5rem; position: relative; }
        .headline::after { content: ''; display: block; width: 50px; height: 3px; background: var(--accent-primary); margin-top: 0.5rem; }

        .tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
        .tool-card { background: var(--card-bg); padding: 1.5rem; border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.05); }
        .tool-card h3 { color: var(--accent-secondary); margin-bottom: 0.5rem; font-size: 1.1rem; }

        .case-list { display: flex; flex-direction: column; gap: 2rem; margin-top: 2rem; }
        .case-item { background: var(--card-bg); border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.05); display: flex; overflow: hidden; }
        .case-accent { width: 4px; background: var(--accent-primary); flex-shrink: 0; }
        .case-body { padding: 2rem; }
        .case-title { font-size: 1.3rem; color: var(--accent-secondary); margin-bottom: 1.25rem; }
        .case-block { margin-bottom: 1rem; }
        .case-block:last-child { margin-bottom: 0; }
        .case-label { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-primary); margin-bottom: 0.3rem; }
        .case-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.65; }
        .case-impact { padding: 1rem; background: rgba(74, 222, 128, 0.06); border-radius: 8px; border-left: 3px solid var(--accent-primary); }

        .btn { display: inline-block; padding: 0.75rem 1.5rem; background: transparent; color: var(--accent-primary); border: 2px solid var(--accent-primary); font-weight: 600; text-decoration: none; border-radius: 6px; transition: all 0.3s; text-align: center; }
        .btn:hover { background: var(--accent-primary); color: #000; box-shadow: 0 5px 15px rgba(74, 222, 128, 0.2); }

        .hamburger { display: none; background: none; border: none; color: var(--text-main); font-size: 1.8rem; cursor: pointer; padding: 0; line-height: 1; }
        .mobile-nav { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.97); flex-direction: column; align-items: center; justify-content: center; gap: 2rem; z-index: 999; }
        .mobile-nav.open { display: flex; }
        .mobile-nav a { color: var(--text-main); font-size: 1.5rem; text-decoration: none; font-weight: 600; transition: color 0.3s; }
        .mobile-nav a:hover { color: var(--accent-primary); }

        .hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 700px; }
        #about p + p { margin-top: 1rem; color: var(--text-muted); }
        .section-subtitle { color: var(--text-muted); }
        .card-text { font-size: 0.9rem; color: var(--text-muted); }
        .case-impact .case-label { color: var(--accent-primary); }
        #contact { text-align: center; padding-bottom: 150px; }
        .contact-headline { display: inline-block; }
        .contact-subtitle { color: var(--text-muted); margin: 1rem 0 2rem 0; }
        .contact-email-wrap { margin-bottom: 3rem; }
        .contact-email { color: var(--text-main); text-size: 1.2rem; text-decoration: none; font-weight: 600; }
        .btn-row { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
        .btn--download { background: var(--accent-primary); color: #000; cursor: pointer; }
        footer { text-align: center; padding: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.05); color: var(--text-muted); font-size: 0.8rem; }

        @media (max-width: 768px) {
          .nav-links { display: none; }
          .hamburger { display: block; z-index: 1001; }
          section { padding: 80px 1.25rem; }
          .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
          .hero h2 { font-size: 1.1rem; }
          .hero p { font-size: 1rem !important; }
          .case-body { padding: 1.25rem; }
          .case-title { font-size: 1.1rem; }
          .case-impact { padding: 0.75rem; }
          #contact { padding-bottom: 100px !important; }
        }