:root{--bg-color:#f5f5f7;--surface-color:#fff;--text-primary:#1d1d1f;--text-secondary:#86868b;--border-color:#d2d2d7;--accent-color:#06c;--accent-hover:#049;--whatsapp-color:#25d366;--whatsapp-hover:#128c7e;--shadow-sm:0 2px 8px #0000000a;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 12px 32px #0000001f;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-full:9999px;--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--transition-speed:.3s}[data-theme=dark]{--bg-color:#000;--surface-color:#1c1c1e;--text-primary:#f5f5f7;--text-secondary:#a1a1a6;--border-color:#38383a;--accent-color:#2997ff;--accent-hover:#0077ed;--shadow-sm:0 2px 8px #0006;--shadow-md:0 4px 16px #0009;--shadow-lg:0 12px 32px #000c}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;transition:background-color var(--transition-speed) ease, color 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1.25rem}.btn-lg{font-size:var(--text-lg);padding:.75rem 2rem}.navbar-container{background-color:rgba(var(--surface-color), .8);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;align-items:center;height:64px;display:flex;position:sticky;top:0}.nav-content{justify-content:space-between;align-items:center;gap:1.5rem;display:flex}.nav-logo{color:var(--text-primary);letter-spacing:-.02em;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;display:flex}.nav-logo:hover{color:var(--text-primary)}.nav-logo-icon{color:var(--accent-color)}.nav-search-form{flex:1;max-width:500px}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-secondary);position:absolute;left:1rem}.search-input{border-radius:var(--radius-full);border:1px solid var(--border-color);background-color:var(--bg-color);width:100%;color:var(--text-primary);transition:all var(--transition-speed) ease;padding:.6rem 1rem .6rem 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