:root{--bg-primary: #0a0a0f;--bg-secondary: #101018;--bg-card: #16161f;--bg-card-hover: #1c1c28;--bg-nav: rgba(10, 10, 15, .92);--text-primary: #e8e8ed;--text-secondary: #9090a8;--text-muted: #606078;--accent: #c84220;--accent-light: #e05a38;--accent-teal: #0891b2;--accent-teal-light: #22d3ee;--border: rgba(255, 255, 255, .06);--border-light: rgba(255, 255, 255, .1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: "Space Grotesk", "Inter", sans-serif;--transition: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:0 24px}.nav{position:fixed;top:0;left:0;right:0;z-index:9990;background:var(--bg-nav);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{font-family:var(--font-heading);font-size:1.3rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-logo span{color:var(--accent)}.nav-links{display:flex;list-style:none;gap:32px}.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color var(--transition)}.nav-links a:hover,.nav-links a.active{color:var(--text-primary)}.nav-right{display:flex;align-items:center;gap:16px}.lang-switcher{display:flex;gap:4px}.lang-btn{background:transparent;border:1px solid var(--border-light);color:var(--text-muted);padding:4px 8px;border-radius:4px;cursor:pointer;font-size:.75rem;transition:var(--transition)}.lang-btn.active,.lang-btn:hover{color:var(--text-primary);border-color:var(--accent)}.nav-cta{background:var(--accent);color:#fff;padding:8px 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h3{font-family:var(--font-heading);font-size:1.05rem;color:var(--text-primary)}.qc-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;line-height:1;padding:0}.qc-close:hover{color:var(--text-primary)}#qc-form input,#qc-form textarea{width:100%;padding:10px 14px;margin-bottom:10px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;font-family:var(--font-body);outline:none;transition:border-color var(--transition);box-sizing:border-box}#qc-form textarea{resize:vertical;min-height:70px}#qc-form input:focus,#qc-form textarea:focus{border-color:var(--accent-teal)}#qc-form input::placeholder,#qc-form 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