*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0A0A0F;--bg-secondary: #111118;--bg-card: #16161F;--bg-card-hover: #1C1C28;--text-primary: #E8E6E3;--text-secondary: #9B9A97;--text-muted: #5C5B58;--accent-bitcoin: #F7931A;--accent-energy: #3B82F6;--accent-glow: rgba(247, 147, 26, .08);--border-subtle: #1E1E28;--border-hover: #2A2A38;--transition-fast: .15s ease;--transition-base: .3s ease}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:IBM Plex Sans,sans-serif;font-weight:300;font-size:1.05rem;line-height:1.7;color:var(--text-secondary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1{font-family:"Instrument Serif",serif;font-size:3.5rem;font-weight:400;letter-spacing:-.02em;color:var(--text-primary);line-height:1.15}h2{font-family:"Instrument Serif",serif;font-size:2.2rem;font-weight:400;color:var(--text-primary);line-height:1.25}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 24px}.section-label{font-family:IBM Plex Sans,sans-serif;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-bitcoin);margin-bottom:12px}.section-title{margin-bottom:60px}.logo-text{font-family:IBM Plex Sans,sans-serif;font-weight:700;letter-spacing:.02em}.logo-joule{color:var(--text-primary)}.logo-btc{color:var(--accent-bitcoin)}.btn-primary{display:inline-flex;align-items:center;gap:8px;font-family:IBM Plex Sans,sans-serif;font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;padding:14px 32px;border:1px solid var(--text-primary);border-radius:4px;background:transparent;color:var(--text-primary);cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-primary:hover{background:var(--accent-bitcoin);border-color:var(--accent-bitcoin);color:#0a0a0f}.btn-secondary{display:inline-flex;align-items:center;gap:6px;font-family:IBM Plex Sans,sans-serif;font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;padding:14px 16px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:color var(--transition-base);text-decoration:none}.btn-secondary:hover{color:var(--text-primary)}.btn-tool{display:inline-flex;align-items:center;gap:6px;font-family:IBM Plex Sans,sans-serif;font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;padding:10px 20px;border:1px solid var(--border-hover);border-radius:4px;background:transparent;color:var(--text-primary);cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-tool:hover{border-color:var(--accent-bitcoin);color:var(--accent-bitcoin)}.social-link{color:var(--text-muted);display:flex;align-items:center;transition:color var(--transition-fast)}.social-link:hover{color:var(--text-primary)}.navbar{position:sticky;top:0;z-index:100;height:64px;background-color:#0a0a0fd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle)}.navbar-inner{max-width:1080px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}.navbar-logo{text-decoration:none}.navbar-desktop{display:flex;align-items:center;gap:28px}.navbar-link{font-family:IBM Plex Sans,sans-serif;font-size:.85rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;text-decoration:none;transition:color var(--transition-base)}.navbar-link:hover{color:var(--text-primary)}.lang-toggle{display:flex;align-items:center;gap:6px}.lang-btn{background:none;border:none;font-family:IBM Plex Sans,sans-serif;font-size:.8rem;font-weight:500;letter-spacing:.05em;cursor:pointer;padding:4px 2px;transition:color var(--transition-base)}.navbar-socials{display:flex;align-items:center;gap:16px}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px}.mobile-overlay{position:fixed;top:64px;left:0;right:0;bottom:0;background-color:#0a0a0ffa;display:flex;align-items:center;justify-content:center;z-index:99;transition:opacity .2s ease}.mobile-links{display:flex;flex-direction:column;align-items:center;gap:32px}.mobile-nav-link{font-family:IBM Plex Sans,sans-serif;font-size:1.2rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--text-primary);text-decoration:none}.hero{position:relative;min-height:calc(100vh - 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